150 litres of water are poured into a cylindrical drum of diameter 48 cm.Find the depth of the water in the drum

Answers

Answer 1

Answer:

82.89 cm to the nearest hundredth.

Step-by-step explanation:

Volume = πr^2h     where r = radius, h = height of the water.

r = 1/2 * 48 = 24 cm and the volume = 150 * 100 = 150,000cm^3 (as there are 1000 cm^3 in 1 litre).

So, substituting, we have:

150000 = π*24^2*h

h = 150000/π*24^2

  =  82.893 cm


Related Questions

Which of the following shows a correct method to calculate the surface area of the cylinder?

cylinder with diameter labeled 2.8 feet and height labeled 4.2 feet

SA = 2π(2.8)2 + 2.8π(4.2) square feet
SA = 2π(1.4)2 + 2.8π(4.2) square feet
SA = 2π(2.8)2 + 1.4π(4.2) square feet
SA = 2π(1.4)2 + 1.4π(4.2) square feet

Answers

Answer: SA = 2π(1.4)² + 2.8π(4.2) square feet

Step-by-step explanation:

formula for calculating surface is 2πr² + 2πr× height

Which number is a solution of the inequality (x<-4)? Use the number line to help tue answer the question.

Answers

Answer:

-5

Step-by-step explanation:

the answer is -5 since it is less than -4

help help asap offering brainiest and points but wrong answers will be reported

Answers

Answer: Your answer is 0.4

Step-by-step explanation: First I figured out what is 8% out of 20 that equals 40%, and 40% as a decimal is 0.4 so the answer is 0.4.

Hope it helps :D  

A 2-D grid consisting of some blocked (represented as '#) and some unblocked (represented as '?) cells is given. The starting position of a pointer is in the top-left corner of the grid. It is guaranteed that the starting position is in an unblocked cell. It is also guaranteed that the bottom-right cell is unblocked. Each cell of the grid is connected with its right, left, top, and bottom cells (if those cells exist). It takes 1 second for a pointer to move from a cell to its adjacent cell. If the pointer can reach the bottom-right corner of the grid within k seconds, return the string Yes. Otherwise, return the string 'No'.

Answers

To solve this problem, we can use a Breadth-First Search (BFS) algorithm to find the shortest path from the starting position to the bottom-right corner of the grid. We start by enqueueing the starting position in a queue and marking it as visited.

To solve this problem, we can use a Breadth-First Search (BFS) algorithm to find the shortest path from the starting position to the bottom-right corner of the grid. We start by enqueueing the starting position in a queue and marking it as visited. Then, we perform a BFS traversal by dequeuing each position from the queue and enqueuing its unvisited neighbors. We repeat this process until we reach the bottom-right corner or the queue becomes empty.

During the BFS traversal, we also keep track of the number of seconds it takes to reach each position from the starting position. If we reach the bottom-right corner within k seconds, we return "Yes". Otherwise, we return "No".

Here's the Python code for the solution:

from collections import deque

def can_reach_end(grid, k):
   rows, cols = len(grid), len(grid[0])
   start = (0, 0)
   q = deque([(start, 0)])
   visited = set([start])

   while q:
       curr_pos, curr_time = q.popleft()

       if curr_pos == (rows-1, cols-1):
           return "Yes"

       for dx, dy in [(0, 1), (0, -1), (1, 0), (-1, 0)]:
           x, y = curr_pos[0]+dx, curr_pos[1]+dy
           if 0 <= x < rows and 0 <= y < cols and grid[x][y] != "#" and (x,y) not in visited:
               visited.add((x,y))
               q.append(((x,y), curr_time+1))

               if curr_time+1 > k:
                   return "No"

   return "No"

# Example usage:
grid = [
   ['?', '?', '#', '?'],
   ['?', '#', '?', '?'],
   ['?', '?', '#', '?'],
   ['?', '?', '?', '?']
]
k = 6
print(can_reach_end(grid, k))  # Output: "Yes"

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In Exercises 7-12, show that ? is an eigenvalue of A and find one eigenvector corresponding to this eigenvalue. 8, A = 0 9, A = 4 2 10. A-

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Consequently, the eigenvector of v = [1; 2] A that matches the eigenvalue

Show that ? is an eigenvalue of A and find one eigenvector corresponding to this eigenvalue. 8, A = 0 9, A = 4 2 10. A-

For problem 8, we have A = 0, which is a 1x1 matrix. The only entry of A is 0. Any scalar multiple of the identity matrix with the same size as A is an eigenvector of A corresponding to the eigenvalue 0. For example, if we take v = [1], then Av = 0v = [0]. Thus, v = [1] is an eigenvector of A corresponding to the eigenvalue 0.

For problem 9, we have A = [4 2; 0 4]. To find the eigenvalues of A, we need to solve the characteristic equation det(A - λI) = 0, where I is the 2x2 identity matrix:

det(A - λI) = det([4-λ 2; 0 4-λ]) = (4-λ)^2 = 0

The only eigenvalue of A is λ = 4, with algebraic multiplicity 2. To find the eigenvectors corresponding to λ = 4, we need to solve the system of equations (A - 4I)v = 0:

(A - 4I)v = [0 2; 0 0]v = [0; 0]

This system has infinitely many solutions, so we can choose any nonzero vector in the nullspace of [0 2; 0 0] as an eigenvector corresponding to λ = 4. For example, if we take v = [1; 0], then (A - 4I)v = [0; 0], and thus v = [1; 0] is an eigenvector of A corresponding to the eigenvalue 4.

For problem 10, we have A = [-1 2; 0 3]. To find the eigenvalues of A, we need to solve the characteristic equation det(A - λI) = 0:

det(A - λI) = det([-1-λ 2; 0 3-λ]) = (λ + 1)(λ - 3) = 0

The eigenvalues of A are λ = -1 and λ = 3, with algebraic multiplicities 1 and 1, respectively. To find the eigenvectors corresponding to λ = -1, we need to solve the system of equations (A + I)v = 0:

(A + I)v = [0 2; 0 4]v = [0; 0]

This system has infinitely many solutions, so we can choose any nonzero vector in the nullspace of [0 2; 0 4] as an eigenvector corresponding to λ = -1. For example, if we take v = [1; 0], then (A + I)v = [0; 0], and thus v = [1; 0] is an eigenvector of A corresponding to the eigenvalue -1.

To find the eigenvectors corresponding to λ = 3, we need to solve the system of equations (A - 3I)v = 0:

(A - 3I)v = [-4 2; 0 0]v = [0; 0]

This system has infinitely many solutions, so we can choose any nonzero vector in the nullspace of [-4 2; 0 0] as an eigenvector corresponding to λ = 3. For example, if we take v = [1; 2], then (A - 3I)v = [0; 0], and thus v = [1; 2] is an eigenvector of A corresponding to the eigenvalue

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What is the annual interest rate earned by a 33-day T-bill with a maturity value of $1,000 that sells for $996.16? 0.42% 296 4.2% 3.2% Boş bırak

Answers

The annual interest rate earned by a 33-day T-bill with a maturity value of $1,000 that sells for $996.16 is 4.2%.

To find the annual interest rate earned by a 33-day T-bill with a maturity value of $1,000 that sells for $996.16, follow these steps:
Step 1: Calculate the interest earned on the T-bill.
Interest Earned = Maturity Value - Selling Price
Interest Earned = $1,000 - $996.16
Interest Earned = $3.84
Step 2: Calculate the daily interest rate.
Daily Interest Rate = Interest Earned / Selling Price / Number of Days
Daily Interest Rate = $3.84 / $996.16 / 33
Daily Interest Rate ≈ 0.000116
Step 3: Convert the daily interest rate to the annual interest rate.
Annual Interest Rate = Daily Interest Rate × 365 (days in a year)
Annual Interest Rate ≈ 0.000116 × 365
Annual Interest Rate ≈ 0.04234 or 4.234%
The annual interest rate earned by the 33-day T-bill is approximately 4.2%.

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At a large university, 20% of students are enrolled in the nursing program. The dean of students selects a random
sample of 20 students and records n = the number of students enrolled in the nursing program. The dean decides to
simulate this random process by using a random number table. He assigns the digits to the outcomes.
1,2 student is enrolled in nursing program
3-9,0 student not enrolled in nursing program
Here is a portion of a random number table.
Table of Random Digits
1 31645 03495 96193 10898 88532
73869
2 67940 85019 98036 98252 43838 45644
3 21805 26727 73239 53929 42564 17080
Beginning at line 1, carry out one trial of this simulation. Use additional lines as needed. How many students in this
random sample of 20 students are enrolled in the nursing program?

Answers

Note that in this random sample of 20 students, 44/20 = 2.2 students are enrolled in the nursing program. However, since we can't have a fraction of a student, we round to the nearest whole number and say that there are 2 students enrolled in the nursing program. (Option B)

What is the explanation for the above response?

To carry out one trial of this simulation, we will use the digits in the first line of the random number table, reading from left to right. Each digit corresponds to one student in the sample of 20. We will use the given assignment of digits to outcomes to determine whether each student is enrolled in the nursing program or not.

The first digit is 1, which corresponds to a student enrolled in the nursing program. The second digit is 3, which corresponds to a student not enrolled in the nursing program. The third digit is 1, which corresponds to a student enrolled in the nursing program. The fourth digit is 6, which corresponds to a student not enrolled in the nursing program. The fifth digit is 4, which corresponds to a student enrolled in the nursing program.

Continuing in this way, we can assign outcomes to all 20 students in the sample. Counting the number of students enrolled in the nursing program, we have:

1 + 1 + 4 + 5 + 9 + 6 + 1 + 0 + 8 + 9 = 44

So, in this random sample of 20 students, 44/20 = 2.2 students are enrolled in the nursing program. However, since we can't have a fraction of a student, we round to the nearest whole number and say that there are 2 students enrolled in the nursing program. (Option B)

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If you borrow $120,000 at an APR of 7% for 25 years, you will pay $848.13 per month. If you borrow the same amount at the same APR for 30 years, you will pay $798.36 per month.

a. What is the total interest paid on the 25-year mortgage?

b. What is the total interest paid on the 30-year mortgage?

c. How much more interest is paid on the 30-year loan? Round to the nearest dollar.

d. If you can afford the difference in monthly payments, you can take out the 25-year loan and save all the interest from part c.
What is the difference between the monthly payments of the two different loans? Round to the nearest dollar.

Answers

a. The total interest paid on the 25-year mortgage is $154,438.00.

b. The total interest paid on the 30-year mortgage is $186,809.60.

c. The difference in total interest paid is $32,371.60.

d. The difference between the monthly payments of the two different loans is $49.77.

Determine whether the series [infinity]
∑ (4^n + 7^n) / 10^n
n=1 converges or diverges. If it converges, find its sum. Select the correct answer below and. if necessary, fill in the answer box within your choice. A. The series converges because lim n->[infinity] = 4^n + 7^n / 10^n = 0. The sum of the series is ___
B. The series converges because lim n->[infinity] ∑ = (4^n + 7^n)/10^n fails to exist. C. The series converges because it is the sum of two geometric series, each with |r| < 1. The sum of the series is ____
D. The series diverges because lim n->[infinity] = (4^n + 7^n) / 10^n = 0 or fails to exist. E. The series diverges because it is the sum of two geometric series, at least one with |r| > 1.

Answers

According to the given series, the correct answer is :

C. The series converges because it is the sum of two geometric series, each with |r| < 1.

The sum of the series is 59/60.

To see why, note that we can write the series as:

∑ (4^n / 10^n) + ∑ (7^n / 10^n)

The first sum is a geometric series with first term 1 and common ratio 4/10 = 2/5, which converges to 5/3.

The second sum is a geometric series with first term 1 and common ratio 7/10, which converges to 10/3.

Therefore, the original series converges to (5/3) + (10/3) = 59/60.

The sum of the series is (4/6)+(7/10)=59/60.

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Yang's Material Company hauls gravel to a construction site, using a small truck and a large truck The carrying capacity and operating cost per load are given in the accompanying table. Yang must deliver a minimum of 240 cubic yards per day to satisfy his contract with the builder. The union contract with his drivers requires that he total number of loads per day is a minimum of 7. How many loads should be made in each truck per day to minimize the total cost? Small Truck Large TruckCapacity (yd^3) 40 60Cost per Load $77 $61 lnorder to minimize the total cosL hen mber of loads in a sm alltruck that should be made is___ and the number of loads in a large truck that should be made is ____

Answers

The required answer is total cost = 77x + 61y

Yang should make 4 loads in the small truck and 3 loads in the large truck per day.

To minimize the total cost, we need to find the optimal number of loads that should be made in each truck per day. Let's assume that x loads should be made in the small truck and y loads should be made in the large truck.

The carrying capacity of the small truck is 40 cubic yards, so the total capacity of x loads in the small truck would be 40x. Similarly, the total capacity of y loads in the large truck would be 60y.

According to the problem, Yang must deliver a minimum of 240 cubic yards per day. Therefore, we have the following constraint:

40x + 60y ≥ 240

The union contract requires that the total number of loads per day is a minimum of 7. So, we have another constraint:

x + y ≥ 7

Now, let's calculate the cost per load for each truck:

Cost per load in the small truck = $77

Cost per load in the large truck = $61

The total cost for x loads in the small truck would be 77x, and the total cost for y loads in the large truck would be 61y. Therefore, the total cost would be:

Total cost = 77x + 61y

We need to minimize this total cost subject to the two constraints mentioned above. This is a linear programming problem that can be solved using a graphical method or the simplex method.

After solving the problem, we get the optimal solution as:

x = 4 loads in the small truck

y = 3 loads in the large truck
Therefore, to minimize the total cost, Yang should make 4 loads in the small truck and 3 loads in the large truck per day.

To minimize the total cost for Yang's Material Company while meeting the contract requirements, follow these steps:

1. Define the variables: Let x be the number of loads for the small truck, and y be the number of loads for the large truck.

2. Set up the constraints based on the given information:
  a. Capacity constraint: 40x + 60y >= 240 (to deliver at least 240 cubic yards per day)
  b. Load constraint: x + y >= 7 (at least 7 total loads per day due to the union contract)

3. Set up the objective function to minimize the total cost: Total Cost = 77x + 61y

4. Solve the system of inequalities to find the feasible region, and determine the corner points.

5. Evaluate the objective function at each corner point to find the minimum cost.

After solving, the minimum total cost occurs when 2 loads are made with the small truck (x=2) and 5 loads are made with the large truck (y=5).

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A pair of shoes which had a regular price of $17,000 is now being sold for $8,259 after tax. What is the percentage tax charged

Answers

Answer:

The percentage tax charged is 8741 / 17000 = 51.42%.

Step-by-step explanation:

0_0

You are creating a 4-digit pin code. how many choices are there where exactly one digit appears more than once? explain your answer.

Answers

There are 2,970 choices for a 4-digit pin code where exactly one digit appears more than once.

To calculate the total number of possible 4-digit pin codes, we start with the fact that each digit can be any number from 0 to 9. So there are 10 choices for the first digit, 10 choices for the second digit, 10 choices for the third digit, and 10 choices for the fourth digit, giving us a total of 10 x 10 x 10 x 10 = 10,000 possible pin codes.

To determine the number of pin codes in which exactly one digit appears more than once, we must first determine which digit appears more than once. This digit has a total of ten options. After we've decided on the digit, we must decide on the two spots in which it will appear. There are four options for the first position and three options for the second position since we cannot repeat the position we previously selected.

Once we have chosen the positions, we can fill in the remaining two digits in 10 x 9 = 90 ways (since we can't use the digit we chose for the repeated digits). So the total number of pin codes where exactly one digit appears more than once is 10 x 4 x 3 x 90 = 2,970.

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find the volume of the largest rectangular box in the first octant with one vertex at the origin and the opposite vertex in the plane 3x 2y z=6.

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The volume of the largest rectangular box in the first octant with one vertex at the origin and the opposite vertex in the plane 3x + 2y + z = 6 is 18.

What is rectangle?

A rectangle is a two-dimensional geometric shape that has four sides and four right angles (90-degree angles).

To find the volume of the largest rectangular box in the first octant with one vertex at the origin and the opposite vertex in the plane 3x + 2y + z = 6, we need to maximize the volume V = xyz subject to the constraint 3x + 2y + z = 6.

We can solve for z in terms of x and y from the constraint as z = 6 - 3x - 2y. Substituting this into V = xyz, we get:

V(x,y) = x y (6 - 3x - 2y)

We can now find the critical points of V by setting its partial derivatives with respect to x and y equal to zero:

∂V/∂x = y(6 - 6x - 2y) = 0

∂V/∂y = x(6 - 3x - 4y) = 0

The critical points are (0,0), (0,3), and (2,1).

To determine which of these critical points correspond to a maximum, we need to check the second partial derivatives of V at each critical point. Specifically, we need to compute:

∂²V/∂x² = -6y

∂²V/∂x∂y = 6 - 6x - 4y

∂²V/∂y² = -4x

At (0,0), we have ∂²V/∂x² = 0, ∂²V/∂x∂y = 6, and ∂²V/∂y² = 0. The matrix of second partial derivatives is:

[ 0 6 ]

[ 6 0 ]

The determinant of this matrix is -36, which is negative, so this critical point corresponds to a saddle point.

At (0,3), we have ∂²V/∂x² = 0, ∂²V/∂x∂y = -6, and ∂²V/∂y² = 0. The matrix of second partial derivatives is:

[ 0 -6 ]

[ -6 0 ]

The determinant of this matrix is 36, which is positive, and the trace is 0, so this critical point corresponds to a maximum.

At (2,1), we have ∂²V/∂x² = -4, ∂²V/∂x∂y = -2, and ∂²V/∂y² = -4. The matrix of second partial derivatives is:

[ -4 -2 ]

[ -2 -4 ]

The determinant of this matrix is 12, which is positive, and the trace is -8, so this critical point corresponds to a saddle point.

Therefore, the maximum volume occurs at (0,3), and the maximum volume is V(0,3) = 18.

Hence, the volume of the largest rectangular box in the first octant with one vertex at the origin and the opposite vertex in the plane 3x + 2y + z = 6 is 18.

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Find the sum of the following series. Round to the nearest hundredth if necessary.

Answers

Answer:

322850405

Step-by-step explanation:

the value of n is 17 and the value of r is 3.

The fill volume of cans filled by a certain machine is normally distributed with mean 12.06 oz and standard deviation 0.03 oz.
What proportion of cans contain less than 12 oz?
The process mean can be adjusted through calibration. To what value should the mean be set so that 99% of the cans will contain 12 oz or more? Round the answer to two decimal places.
______ ounces

Answers

The mean should be set to 11.93 ounces to ensure that 99% of cans contain 12 oz or more.

To find the proportion of cans that contain less than 12 oz, we need to standardize the value using the formula:

z = (x - μ) / σ

where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation.

For x = 12 oz, the z-score is:

z = (12 - 12.06) / 0.03 = -2

Using a standard normal distribution table or calculator, we can find the proportion of values that are less than -2, which is approximately 0.0228.

Therefore, about 2.28% of cans contain less than 12 oz.

To find the process mean that will ensure 99% of cans contain 12 oz or more, we need to find the z-score that corresponds to the 99th percentile, which is approximately 2.33.

Using the formula for z-score again:

z = (x - μ) / σ

we can solve for the mean:

2.33 = (12 - μ) / 0.03

12 - μ = 0.0699

μ = 11.93

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The mean should be set to 11.93 ounces to ensure that 99% of cans contain 12 oz or more.

To find the proportion of cans that contain less than 12 oz, we need to standardize the value using the formula:

z = (x - μ) / σ

where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation.

For x = 12 oz, the z-score is:

z = (12 - 12.06) / 0.03 = -2

Using a standard normal distribution table or calculator, we can find the proportion of values that are less than -2, which is approximately 0.0228.

Therefore, about 2.28% of cans contain less than 12 oz.

To find the process mean that will ensure 99% of cans contain 12 oz or more, we need to find the z-score that corresponds to the 99th percentile, which is approximately 2.33.

Using the formula for z-score again:

z = (x - μ) / σ

we can solve for the mean:

2.33 = (12 - μ) / 0.03

12 - μ = 0.0699

μ = 11.93

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birdseed costs $0.68 a pound and sunflower seeds cost $0.98 a pound. Angela Leinenbach's pet store wishes to make a 40 pound mixture of birdseed and sunflower seeds that sells for $0.92 per pound. How many pounds of each type of seed should she use?

Answers

Okay, let's break this down step-by-step:

* Birdseed costs $0.68 per pound

* Sunflower seeds cost $0.98 per pound

* The 40 pound mixture will sell for $0.92 per pound

* Let's call the number of pounds of birdseed x

* Then the number of pounds of sunflower seeds is 40 - x

* $0.92 * 40 = $36

* $0.68x + $0.98(40-x) = $36

* $0.68x + $39.20 - $0.98x = $36

* $-0.3x = $-3.20

* x = 10

* So 10 pounds of birdseed and 40 - 10 = 30 pounds of sunflower seeds.

In summary:

10 lbs of birdseed

30 lbs of sunflower seeds

Does this make sense? Let me know if you have any other questions!

Is l = 3 arbitrary? that is, is l = 3 the result of some aspect of the structure of the floating rate tranche? demonstrate your answer

Answers

The value l = 3 is not arbitrary and is indeed a result of some aspect of the structure of the floating rate tranche. This value is determined by the specific terms and conditions outlined in the tranche agreement.

In a floating rate tranche, the interest rate is adjusted periodically according to a reference index, such as LIBOR or EURIBOR, plus a margin or spread (l). In this case, l = 3 represents the margin added to the reference index to determine the overall interest rate payable.

This value is established by the issuer based on various factors such as credit quality, market conditions, and the issuer's own funding costs.


1. The floating rate tranche's interest rate is determined by a reference index plus a margin (l).
2. In this case, l = 3 is the margin added to the reference index.
3. The value of l is established by the issuer, considering credit quality, market conditions, and funding costs.
4. Therefore, l = 3 is not arbitrary and is a result of the structure of the floating rate tranche.

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You use bottles of 90% bleach and 70% bleach to make a new household cleaner. How many quarts of each type of bleach should you mix to make 8 quarts of 85% bleach?

Answers

Step-by-step explanation:

To determine how many quarts of each type of bleach to mix to make 8 quarts of 85% bleach, we can set up a system of two equations. Let x be the number of quarts of 90% bleach and y be the number of quarts of 70% bleach. Then:

x + y = 8 (total volume of bleach)

0.9x + 0.7y = 0.85(8) (total amount of active ingredient)

Simplifying the second equation, we get:

0.9x + 0.7y = 6.8

We can then solve for y in the first equation:

y = 8 - x

Substituting this into the second equation, we get:

0.9x + 0.7(8 - x) = 6.8

Simplifying and solving for x, we get:

0.2x = 2

x = 10

Substituting this value back into the equation for y, we get:

y = 8 - x

y = 8 - 10

y = -2

Since we cannot have negative quarts of bleach, this solution is not possible. Therefore, it is not possible to make 8 quarts of 85% bleach using 90% and 70% bleach.

I NEED HELP ON THIS ASAP! PLEASE, IT'S DUE TONIGHT!!!!

Answers

==>  During the first 5 minutes, the plane's speed increased linearly from zero to 600 mph.

Its AVERAGE speed during the first 5 minutes was 300 mph.

Traveling at an average speed of 300 mph for 5 minutes (1/12 of an hour), it covered (300 x 1/12) = 25 miles, in the first 5 minutes.

==>  From 5 minutes to 25 minutes ... an interval of 20 minutes (1/3 hour) ... the plane traveled at a constant 600 mph.

Traveling at a speed of 600 mph for 1/3 of an hour, it covered

(600 x 1/3)  =  200 miles, during the time from 5 minutes to 25 minutes.

==>  On the whole graph, the plane traveled

..... 25 miles, from zero to 5 minutes

.. 200 miles, from 5 to 25 minutes

Total distance:  225 miles in the 25 minutes shown on the graph.

Manufacture of a certain component requires three different machining operations. Machining time for each operation has a normal distribution, and the three times are independent of one another. The mean values are 15, 20, and 30 min, respectively, and the standard deviations are 2, 1, and 1.5 min, respectively. What is the probability that it takes at most 1 hour of machining time to produce a randomly selected component? (Round your answer to four decimal places.)

Answers

The probability that it takes at most 1 hour of machining time to produce a randomly selected component is 0.0928, or about 9.28%.

To solve this problem, we can use the central limit theorem to approximate the distribution of the total machining time with a normal distribution. The mean of the total machining time is the sum of the means of the three machining times, which is 15+20+30=65 minutes.

The variance of the total machining time is the sum of the variances of the three machining times, which is (2^2)+(1^2)+(1.5^2)=7.25 minutes^2. The standard deviation of the total machining time is the square root of the variance, which is sqrt(7.25)=2.69 minutes.

We want to find the probability that the total machining time is at most 60 minutes, or equivalently, that the standardized machining time Z=(60-65)/2.69 is less than or equal to 0.

To find this probability, we can use a standard normal distribution table or calculator, which gives a probability of approximately 0.0928.

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The probability that it takes at most 1 hour of machining time to produce a randomly selected component is 0.0928, or about 9.28%.

To solve this problem, we can use the central limit theorem to approximate the distribution of the total machining time with a normal distribution. The mean of the total machining time is the sum of the means of the three machining times, which is 15+20+30=65 minutes.

The variance of the total machining time is the sum of the variances of the three machining times, which is (2^2)+(1^2)+(1.5^2)=7.25 minutes^2. The standard deviation of the total machining time is the square root of the variance, which is sqrt(7.25)=2.69 minutes.

We want to find the probability that the total machining time is at most 60 minutes, or equivalently, that the standardized machining time Z=(60-65)/2.69 is less than or equal to 0.

To find this probability, we can use a standard normal distribution table or calculator, which gives a probability of approximately 0.0928.

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Help me find surface area of a net, look at the image.

Answers

The surface area of the given pyramid is calculated as: ¹/₄ yd²

How to find the surface area of the square pyramid?

The formula for the area of a triangle is:

A = ¹/₂ * b * h

where:

A denotes Area

b denotes base

h denotes height

We are given from the image of the net that:

base length = ¹/₄ yard

Height of triangle = ¹/₂ yard

Thus:

Area of one triangle = ¹/₂ * ¹/₄ * ¹/₂ = ¹/₁₆ yd²

Now, we have exactly 4 of this same triangle and as such:

Total surface area of the pyramid = 4 * ¹/₁₆ yd²

= ¹/₄ yd²

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solve the initial value problem y′=6cosx 2 with y(3π2)=5.

Answers

The solution to the initial value problem y′=6cosx 2 with y(3π2)=5 is: y = 6sin(x) + 11. This can be answered by the concept of differential equation.

To solve the initial value problem y′=6cosx 2 with y(3π2)=5, we need to first integrate the given differential equation with respect to x to obtain the general solution.

Integrating y′=6cosx 2 with respect to x gives y = 6sin(x) + C, where C is the constant of integration.

Next, we use the initial condition y(3π2)=5 to find the value of C.

Substituting x = 3π2 and y = 5 into the equation y = 6sin(x) + C, we get:

5 = 6sin(3π/2) + C

5 = -6 + C

C = 11

Therefore, the solution to the initial value problem y′=6cosx 2 with y(3π2)=5 is:

y = 6sin(x) + 11

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A ball is thrown into the air at an initial velocity of 18 meters per second from an initial height of 10 meters. The equation that models the path of the ball is given by h=-4.9t^2+18t+10h When does the ball hit the ground?
Group of answer choices
4.9 seconds
4.15 seconds
1.8 seconds
10 seconds

Answers

Answer:

Step-by-step explanation:

This is your position equation:

There's a whole lot of information in that equation, but what we are concerned about right now is the height of the ball after t = 3 seconds.  If this is the position of the ball at any time t, we will sub in 3 for t to find out where the ball is at 3 seconds.

which simplifies to

s(3) = -44.1 + 54 + 10 which is

s(3) = 19.9 meters

That's how high the ball is in the air at 3 seconds.

there are five yellow Marbles and three Brown marbles in a bag what is the probability of choosing a brown marble ​

Answers

Answer:

3/8

Step-by-step explanation:

5+3=8

3 out of that 8 are brown. Therefore 3/8 is the probability

(1 point) Use the pigeonhole principle to show that, in any group of 7 integers, there is at least 2 whose difference is divisible by 6. Solution In is any integer, then by the Division Algorithm applied to n and 6, there are unique integers q and r such that q+r. sr< n= Thus, when any integer is divided by 6, the remainder is one of the numbers in the list } (Enter your answers as a comma-separated list, the entries being the integers values for r that satisfy the inequality O sr

Answers

Since q1 and q2 are integers, their difference (q1 - q2) is also an integer. Therefore, the difference between a and b is divisible by 6.

Using the pigeonhole principle, we can show that in any group of 7 integers, there is at least 2 whose difference is divisible by 6.

When an integer is divided by 6, the possible remainders (r) are from the set {0, 1, 2, 3, 4, 5}. There are 6 possible remainders. Now, consider a group of 7 integers. According to the pigeonhole principle, since there are 7 integers and only 6 possible remainders, at least two of these integers must have the same remainder when divided by 6.

Let these two integers be a and b, with a > b, and both having the same remainder r when divided by 6. So, we can write a = 6q1 + r and b = 6q2 + r.

Now, let's find the difference: a - b = (6q1 + r) - (6q2 + r) = 6q1 - 6q2 = 6(q1 - q2).

Since q1 and q2 are integers, their difference (q1 - q2) is also an integer. Therefore, the difference between a and b is divisible by 6.

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The graphs of the linear functions g and h have different slopes. The value of both functions at x = a is b. When g and h are graphed in the same coordinate plane, what happens at the point (a, b)?

Answers

Certainly!

This text is discussing two linear functions, g and h, which have different slopes. A linear function is a function that can be graphed as a straight line. The value of both functions at a specific point (x = a) is the same (b).

The question being asked is what happens at the point (a, b) when both functions are graphed on the same coordinate plane.

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A baseball team plays in a stadium that holds 54,000 spectators. With ticket prices at $10, the average attendance had been 49,000. When ticket prices were lowered to $8, the average attendance rose to 51,000.a) Find the demand function (price p as a function of attendance x), assuming it to be linear.b) How should ticket prices be set to maximize revenue? (Round your answer to the nearest cent.)

Answers

Rounding to the nearest cent, the ticket price should be set at $29.50 to maximize revenue.

What does the demand function entail?

Ans: The link between the quantity of a given commodity that is requested and the factors that affect it is depicted by the demand function. Explain the demand law. The law of demand states that, ceteris paribus, there is an inverse connection between price and quantity desired.

Let p be the ticket price and x be the attendance. We can write the demand function as:

p = mx + b

where m is the slope and b is the y-intercept. We can find the slope m using the two points (49000, 10) and (51000, 8):

m = (8 - 10) / (51000 - 49000) = -0.001

To find the y-intercept b, we can use the point (49000, 10):

10 = -0.001(49000) + b

b = 59

Therefore, the demand function is:

p = -0.001x + 59

b) The revenue R is given by:

R = p * x

Substituting the demand function we obtained in part (a), we get:

R = (-0.001x + 59) * x

Simplifying:

R = -0.001x^2 + 59x

To maximize revenue, we need to find the value of x that corresponds to the vertex of the parabola. The x-coordinate of the vertex is given by:

x = -b / (2a)

where a = -0.001 and b = 59. Substituting:

x = -59 / (2(-0.001)) = 29500

Therefore, to maximize revenue, attendance should be set at 29,500. Substituting into the demand function, we get:

p = -0.001(29500) + 59 = 29.5

Rounding to the nearest cent, the ticket price should be set at $29.50 to maximize revenue.

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The demand function is:p(x) = -500x + 54,000

The ticket price that maximizes revenue is $0.28

What is revenue?

Revenue refers to the total amount of money earned by a company through the sale of goods or services, before deducting any expenses or costs. It is a key financial metric used to measure a company's financial performance.

What is demand function?

A demand function is a mathematical equation that represents the relationship between the quantity of a good or service that consumers are willing and able to purchase at a given price, and other factors that affect consumer behavior such as income, preferences, and the prices of related goods.

According to the given information:

a)To find the demand function, we can use the two data points provided:

When ticket price was $10, attendance was 49,000.

When ticket price was $8, attendance was 51,000.

Let p be the ticket price and x be the attendance.

We can find the equation of the line that passes through the two points using the slope-intercept form of a linear equation:

slope = (change in y) / (change in x) = (51,000 - 49,000) / ($8 - $10) = 1000 / (-2) = -500

y-intercept = 49,000 - (-500) * $10 = 54,000

Thus, the demand function is:

p(x) = -500x + 54,000

b) To maximize revenue, we need to find the attendance level that will generate the highest revenue. Revenue is calculated by multiplying ticket price by attendance:

R(x) = p(x) * x

R(x) = (-500x + 54,000) * x

R(x) = -500x^2 + 54,000x

To find the attendance level that maximizes revenue, we can take the derivative of the revenue function and set it equal to zero:

dR/dx = -1000x + 54,000 = 0

x = 54

The revenue is maximized when the attendance is 54,000. To find the corresponding ticket price, we can plug x = 54,000 into the demand function:

p(54,000) = -500(54,000) + 54,000 = $15,000

Thus, the ticket price that maximizes revenue is $15,000 / 54,000 = $0.28 (rounded to the nearest cent).

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constrict a quaderateral that has 2 pairs of parallel sides and at least 2 angles mesuring 45 deggres and 135 degrees label all angle side lengths what did you draw?


PLEASE HELP ME WITH DETAILSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

see photo

Step-by-step explanation:

attached

What is the total area of the proposed thinning in square kilometers?What is the total area of the snail habitat in square kilometers? What is the percent reduction in habitat if the proposed thinning is done?

Answers

The proposed thinning is expected to result in a total area of [X] square kilometers being thinned. The snail habitat, which currently occupies [Y] square kilometers, will be reduced by [Z]% if the proposed thinning is carried out.

To calculate the total area of the proposed thinning, we need the specific details of the thinning project, such as the area to be thinned, the thinning intensity, and the thinning method. Once we have this information, we can determine the total area of thinning.

Similarly, to determine the total area of snail habitat, we need accurate data on the current extent and distribution of snail habitat in the proposed thinning area. This could involve conducting surveys or utilizing existing data on snail habitat.

Once we have the total area of thinning and snail habitat, we can calculate the percent reduction in habitat if the proposed thinning is carried out. This can be done by dividing the difference between the current snail habitat area and the potential habitat area after thinning by the current snail habitat area, and then multiplying by 100 to get the percentage.

Therefore, the exact numbers and percentages will depend on the specific details of the proposed thinning and snail habitat in the given area, and accurate data is necessary for a precise calculation

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The proposed thinning is expected to result in a total area of [X] square kilometers being thinned. The snail habitat, which currently occupies [Y] square kilometers, will be reduced by [Z]% if the proposed thinning is carried out.

To calculate the total area of the proposed thinning, we need the specific details of the thinning project, such as the area to be thinned, the thinning intensity, and the thinning method. Once we have this information, we can determine the total area of thinning.

Similarly, to determine the total area of snail habitat, we need accurate data on the current extent and distribution of snail habitat in the proposed thinning area. This could involve conducting surveys or utilizing existing data on snail habitat.

Once we have the total area of thinning and snail habitat, we can calculate the percent reduction in habitat if the proposed thinning is carried out. This can be done by dividing the difference between the current snail habitat area and the potential habitat area after thinning by the current snail habitat area, and then multiplying by 100 to get the percentage.

Therefore, the exact numbers and percentages will depend on the specific details of the proposed thinning and snail habitat in the given area, and accurate data is necessary for a precise calculation

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Let A = {2, 3, 4, 5, 6, 7, 8) and define a relation Ton A as follows: For every x, y EA, * Ty 31(x - y). Draw the directed graph of T. A directed graph with 7 vertices and 17 edges is shown. • Vertex 2 is connected to vertex 2 by a loop, to vertex 5, and to vertex 8. • Vertex 3 is connected to vertex 3 by a loop and to vertex 6. • Vertex 4 is connected to vertex 4 by a loop and to vertex 7. • Vertex 5 is connected to vertex 2, to vertex 5 by a loop, and to vertex 8. • Vertex 6 is connected to vertex 3 and to vertex 6 by a loop. • Vertex 7 is connected to vertex 4 and to vertex 7 by a loop. • Vertex is connected to vertex 2, to vertex 5, and to vertex 8 by a loop.

Answers

The directed graph of T on A has 7 vertices and 17 edges. The graph can be used to visualize the relations between the elements of A according to the given definition of T.

The given directed graph represents a relation T on the set A = {2, 3, 4, 5, 6, 7, 8} where for every x, y in A, y is related to x if y ≤ 1(x - y).Starting from vertex 2, we see that it is connected to itself by a loop, to vertex 5, and to vertex 8. Similarly, vertex 3 is connected to itself by a loop and to vertex 6, and vertex 4 is connected to itself by a loop and to vertex 7. Vertex 5 is connected to itself by a loop, to vertex 2, and to vertex 8, while vertex 6 is connected to itself by a loop and to vertex 3. Finally, vertex 7 is connected to itself by a loop and vertex is connected to itself by a loop, to vertex 2, to vertex 5, and to vertex 8.The loops in the graph indicate that each vertex is related to itself. The edges between the vertices indicate the relations between them. For example, since vertex 2 is connected to vertex 5, it means that 5 is related to 2 according to the given relation T. Similarly, since vertex 3 is connected to vertex 6, it means that 6 is related to 3.Overall, the directed graph of T on A has 7 vertices and 17 edges. The graph can be used to visualize the relations between the elements of A according to the given definition of T.

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To draw the directed graph of the relation T on set A, follow these steps:
1. Label 7 vertices with the elements of set A: {2, 3, 4, 5, 6, 7, 8}.
2. For each pair of vertices x and y, connect them with a directed edge if the condition T holds (i.e., 3 divides (x - y)).

 Based on the information given, the graph should look like this:
• Vertex 2 has a loop (connected to itself) and is connected to vertices 5 and 8.
• Vertex 3 has a loop and is connected to vertex 6.
• Vertex 4 has a loop and is connected to vertex 7.
• Vertex 5 is connected to vertices 2, has a loop, and is connected to vertex 8.
• Vertex 6 is connected to vertex 3 and has a loop.
• Vertex 7 is connected to vertex 4 and has a loop.
• Vertex 8 is connected to vertices 2, 5, and has a loop.
In summary, the directed graph for relation T on set A has 7 vertices, 17 edges, and follows the connections described above.

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