The given function: B. has the same slope and a different y-intercept.
What is the Equation in Slope-intercept Form of a Linear Function?The linear function is expressed in slope-intercept form as, y = mx + b, where b is the y-intercept and m is the slope.
Slope (m) of the first function is: -7/9.
Its y-intercept (b) is: 3.
Given the equation, y + 11 = -7/9x - 18, rewrite in slope-intercept form:
y + 11 = -7/9x - 18
y = -7/9x - 18 - 11
y = -7/9x - 29
The slope (m) is: -7/9
Its y-intercept (b) is: -29
Therefore: B. It has the same slope and a different y-intercept.
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Change 9% to fraction?
9/100
Step-by-step explanation:
[tex]9\% = \frac{9}{100} [/tex]
9% as a Fraction is 9/100
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Jamaal washes 25 dishes per hour and works for 3 hours. Daniel can wash 22 dishes every two hours. Who can wash more dishes in 3 hours? And by how many?
Answer:
1. Jamaal
2. 42 more dishes
Step-by-step explanation:
1. Jamaal: 25 dishes per hour and works for 3 hours
25(3) = 75 dishes
Daniel: Daniel can wash 22 dishes every two hours.
22 = 2x
11 = x
11(3) = 33 dishes
2. 75 - 33 = 42
Jamaal can wash 42 more dishes than Daniel.
Jamaal washes 25 dishes per hour and works for 3 hours. Daniel can wash 22 dishes every two hours. Jamaal washed 42 more dishes than Daniel in 3 hours.
Let's calculate the number of dishes washed by each person in 3 hours and then compare the results.
Jamaal:
Jamaal washes 25 dishes per hour and works for 3 hours.
Number of dishes washed by Jamaal in 3 hours = 25 dishes/hour * 3 hours = 75 dishes
Daniel:
Daniel washes 22 dishes every two hours.
To find the number of dishes washed by Daniel in 3 hours, we need to find how many times he washes dishes in 3 hours.
Number of times Daniel washes dishes in 3 hours = 3 hours / 2 hours (time for 1 cycle) = 1.5 cycles
Now, multiply the number of cycles by the number of dishes washed per cycle:
Number of dishes washed by Daniel in 3 hours = 1.5 cycles * 22 dishes/cycle = 33 dishes
Comparison:
Jamaal washed 75 dishes in 3 hours.
Daniel washed 33 dishes in 3 hours.
Now, let's find the difference in the number of dishes washed by each person:
Difference = Jamaal's dishes - Daniel's dishes
Difference = 75 dishes - 33 dishes = 42 dishes
Therefore, Jamaal washed 42 more dishes than Daniel in 3 hours.
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Simplify
1) 9/7+1/6
2) 1 1/6- 2 1/5
3) 4/7x8/4
4) 4/7* 8/4
you answer fast and correct I will mark you as a brainliest
Answer:
1 19/42
- 1 1/30
3&4 are both 1 1/7
Step-by-step explanation:
Find two digit number that is one less than a square number,and when doubled is one less than a square number.
can someone help with this please
Use the information provided to create a polynomial function described below.
Degree of 3
Zeros are -3, 4, 6
End behavior is as x increases in the positive direction y increases in the positive direction.
Polynomials are mathematical expressions involving variables raised with non-negative integers and coefficients. The polynomial is x³- 7x² - 6x + 72.
What is a polynomial?Polynomials are mathematical expressions involving variables raised with non-negative integers and coefficients(constants who are in multiplication with those variables) and constants with only operations of addition, subtraction, multiplication and non-negative exponentiation of variables involved.
The polynomial using the given information can be made as shown below.
Given the zeros of the polynomial are -3, 4, and 6.
P(x) = (x+3)(x-4)(x-6) = x³- 7x² - 6x + 72
To check the end behaviour of the function, the graph of the function can be plotted as shown in the below image.
Hence, the polynomial is x³- 7x² - 6x + 72.
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Can 10 people be divided into two groups with a ratio of 1 : 2? Explain.
Answer:
noStep-by-step explanation:
Can 10 people be divided into two groups with a ratio of 1 : 2?
Explain.
10 : 3 = 3.33
or 10 : 3 = 9 remaining 1
since it is not possible to divide a person into three parts, your answer is no
use the distrubutive property to simply -8(6x+3)
In the interval 0 to the power 0360 find x in which the sin is 0.6691. give your answer to the nearest degree
The angle for which the sine value is 0.6691 is found to be 42°.
What is the sine value?
A trigonometric function called sin x, where x is the angle under discussion stands for the sine of an angle. The sine function is the proportion between the perpendicular and hypotenuse of a right-angled triangle. In other words, the hypotenuse and its value change as the angle changes, and it is the ratio of the side opposite to the angle under discussion. In the study of physics, sound and light waves are represented by the sine function.
When the angle between a right-angled triangle's base and hypotenuse changes, the sine's value changes.
[tex]sin^{-1}(0.6691)[/tex]=41.99°≈42°
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A plane has a maximum fuel capacity of 5,300 gallons. The airline requires that the pilot fly no more than 400 minutes before refueling. A one-way flight to a certain destination requires 2,000 gallons of fuel and 190 minutes of flight time. How many round trips can the pilot make before having to refuel?
A) 1
B) 2
C) 3
D) 4
Answer:
it is B
Step-by-step explanation:
that is because j3jejejdudduiwjsj
The requried pilot can make at least one round trip before having to refuel. Hence, the correct answer is: A) 1
To determine how many round trips the pilot can make before having to refuel, we need to consider both the fuel capacity and the flight time limit.
Given:
Maximum fuel capacity = 5,300 gallons
Flight time limit before refueling = 400 minutes
Fuel required for one-way flight = 2,000 gallons
Flight time for one-way flight = 190 minutes
First, let's calculate the maximum number of one-way trips the pilot can make based on the fuel capacity:
Max one-way trips based on fuel capacity = Maximum fuel capacity / Fuel required for one-way trip
Max one-way trips = 5,300 gallons / 2,000 gallons = 2.65 trips
Since we cannot have a fraction of a trip, we need to consider the flight time limit.
The total flight time for a round trip is twice the one-way flight time: 2 * 190 minutes = 380 minutes.
The pilot can fly a round trip as long as the flight time for the round trip is within the flight time limit. In this case, the round-trip flight time of 380 minutes is less than the flight time limit of 400 minutes.
Therefore, the pilot can make at least one round trip before having to refuel. Hence, the correct answer is: A) 1
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What substitution should be used to rewrite 6(x + 5)2 + 5(x + 5) -4 = 0 as a quadratic equation?
Ou= (x + 5)
Ou= (x-5)
u = (x + 5)²
O u =(x-5)²
The substitution that should be used to rewrite the equation is u = x+5, the correct option is A.
What is a Quadratic Equation?The polynomials of the 2nd degree are called Quadratic Equations.
It has a general form as ax² +bx+c=0
To rewrite the expression as a quadratic equation
6(x+5)² + 5(x+5)-4 = 0
=6(x+5)(x+5)+5(x+5)-4
=6(x² + 5x + 5x + 25)+5(x+5)-4
=6(x²+10x+25) + 5(x+5) - 4 = 0
=6x² + 60x + 5x + 150 + 25 - 4 = 0
=6x² + 65x + 171 = 0
This is the quadratic equation of the form ax² +bx+c=0
but if directly it has to be written in this ax² +bx+c=0 form , it can be written by substituting u = (x + 5)
6(x+5)² + 5(x+5)-4 = 0
6u²+5u-4 = 0
Therefore, the substitution that should be used to rewrite the equation is u = x+5, the correct option is A.
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The number f of miles a ship is from its destination x hours after starting a voyage is given by f(x) = 80-20x. The number f of miles a submarine is from its destination x hours after leaving port is shown in the graph below. State the distance and length of time if each voyage. The ship traveled ___ miles in __ hours. The submarine traveled __ miles in __ hours.
The ship traveled 80 miles in 4 hours while the submarine traveled 75 miles in 5 hours.
How to determine the distance and time traveled?Based on the information provided, we can logically deduce that the ship is initially 80 miles away from its destination. Thus, f(x) would be equal to 0, if it traveled 80 miles and 0 miles away from its destination:
f(x) = 80 - 20x
0 = 80 - 20x
20x = 80
x = 80/20
x = 4 hours.
By critically observing the graph (see attachment) for the submarine's voyage, we can logically deduce the following:
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A machine that is programmed to package 1.50 pounds of cereal is being tested for its accuracy in a sample of 56 cereal boxes, the sample mean filling weight is calculated as 1.52 pounds. The population standard deviation is known to be 0.06 pounds. Find the 95% confidence interval for the mean.
The 95% confidence interval for the mean is (1.535, 1.504).
It is given that a machine produces 1.50 pounds of cereal. The sample is 56 cereal boxes. The sample mean filling weight is calculated as 1.52 pounds. The population standard deviation is known to be 0.06 pounds.
Mean = 1.50 pounds
x = 1.52 pounds
Standard deviation = SD = 0.06 pounds
n = 56
We need to find the 95% confidence interval for the mean.
So, z = 1.96
So, the confidence interval would be
[tex]x[/tex]±[tex]z\frac{mean}{\sqrt{n} }[/tex]
[tex]1.52[/tex]±[tex]1.96*\frac{0.06}{\sqrt{56} }[/tex]
= [tex]1.52[/tex]±[tex]1.96*0.00801[/tex]
= [tex](1.52 + 0.0156996),(1.52 - 0.0156996)[/tex]
= [tex](1.535, 1.504)[/tex]
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a customer buys 3 cappuccinos that costs $2.54 each and a bottle of water that costs $0.76 she gives the shop assistant $20 how much change should she receive
Answer:
$11.62
Step-by-step explanation:
2.54×3=$7.62
0.76+7.62=8.38
20-8.38=$11.62
Answer:
Step-by-step explanation:
Discussion
3 cappuccinos at 2.54 each 2.54 * 3 = 7.62
1 bottle of water at 0.76 0.76*1 = .76 Add
Total 8.38
Change = 20 - 8.38 = 11.62
Answer
She should receive 11.62 in change.
A population of squirrels is growing in a Louisiana forest with a monthly growth constant of 55 percent. If the initial count is 100100 squirrels, how many are there in a year? Round any intermediate calculations, if needed, to no less than six decimal places, and round your final answer to the nearest whole number.
The population of squirrels in the Louisiana forest growing monthly at a rate of 5% currently from 100, will be 182 after a year.
The final value of any quantity growing constantly at a particular rate is given as [tex]V = V_{0}e^{rt}[/tex] ,
where V is the final value, V₀ is the initial value, r is the rate of growth per time period, and t is the number of time periods.
The current population of squirrels (V₀) = 100.
The growth rate (r) = 5% per month.
The time period (t) = 1 year = 12 months.
Hence, the final population of squirrels (V), is given as:
[tex]V = V_{0}e^{rt}[/tex] ,
or, [tex]V = 100e^{(0.05*12)}[/tex] ,
or, [tex]V = 100e^{0.60}[/tex] ,
or, V = 100*1.822119,
or, V = 182.2119 ≈ 182.
Therefore, the population of squirrels in the Louisiana forest growing monthly at a rate of 5% currently from 100, will be 182 after a year.
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the measures of the sides of a triangle are 2x+3, 8x-4 and x^2. Write an expression that describes the perimeter of the triangle
Answer:
[tex]\textsf{Perimeter}=x^2+10x-1[/tex]
Step-by-step explanation:
The perimeter of a two-dimensional shape is the distance all the way around the outside.
Given sides of a triangle:
[tex]2x + 3[/tex][tex]8x - 4[/tex][tex]x^2[/tex]Therefore, to find the perimeter of the triangle, sum the given sides:
[tex]\begin{aligned}\sf Perimeter & = (2x+3)+(8x-4)+x^2\\& = 2x+3+8x-4+x^2\\& = x^2 + 2x+8x+3-4\\& = x^2+10x-1\end{aligned}[/tex]
Perimeter=
Sum of sidesx²+2x+3+8x-4x²+2x+8x+3-4x²+10x-1How many solutions exist for the given equation? 0.75(x 40) = 0.35(x 20) 0.35(x 20)
The equation 0.75(x+40)=0.35(x+20)+0.35(x-20) is having only one solution.
Given equation 0.75(x+40)=0.35(x+20)+0.35(x-20)
We have to find the number of solutions.
To find the number of solutions we have to solve the equation for the value of variable x. Equation is often solved to find the value of variables.
Equation : 0.75(x+40)=0.35(x+20)+0.35(x-20)
Opening the brackets and multiply the numbers outside by the numbers in the bracket.
0.75x+30=0.35x+7+0.35x-7
Take all the numbers having same variables at one end of equal to.
0.75x-0.35x-0.35x=7-7-30
0.75x-0.7x=-30
0.05x=-30
x=-30/0.05
x=-600
Which is the only value of x.
Hence the number of solutions of the equation 0.75(x+40)=0.35(x+20)+0.35(x-20) is one.
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Volume=
What is the volume?
Please help thank you
Answer:
288π
Step-by-step explanation:
The volume of a sphere can be evaluated by using the following formula:
[tex]A=\frac{4}{3}\pi r^{3}[/tex]
We are given that the radius is 6, so we can plug into the formula to solve:
[tex]A=\frac{4}{3}\pi*6^{3} =\frac{4}{3}*216*\pi =288\pi[/tex] (216/3 is 72, and 72*4 is 288)
Therefore, the volume is exactly 288π. The approximate answer, if you let π be 3.14 and evaluate it out, is around 904.78
1. Try It #1
If f(x) is a linear function, and (2,3) and (0,4) are points on the line, find the slope. Is this function increasing or decreasing?
Answer:
The slope of the line representing the linear function f(x) is determined as [tex]$-\frac{1}{2}$[/tex]. The function f(x) is decreasing because the slope is less than zero, i.e., m<0.
Step-by-step explanation:
A linear function f(x) is given with two points, (2,3) and (0,4) lying on the line representing f(x).
It is asked to determine the slope of the line and state if the function is increasing or decreasing. of the value of the slope obtained.
Step 1 of 1
Determine the slope of the line.
The points as given in the question are (2,3) and (0,4). Now, the formula for the slope is given as
[tex]$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$[/tex]
So, substitute [tex]$4 \& 3$[/tex] for [tex]$y_{2}$[/tex] and [tex]$y_{1}$[/tex] respectively, and [tex]$0 \& 2$[/tex] for [tex]$x_{2}$[/tex] and [tex]$x_{1}$[/tex] respectively in the above formula. Then simplify to get the slope as follows,[tex]$m=\frac{4-3}{0-2}$\\ $m=\frac{1}{-2}$\\ $m=-\frac{1}{2}$[/tex]
The slope of the line is obtained as [tex]$-\frac{1}{2}$[/tex]. Now, as [tex]$-\frac{1}{2} < 0$[/tex], so the function f(x) is decreasing.
Identify which functions have complex roots by selecting the function names on the provided coordinate plane.
The functions that have complex roots are b and d.
What is complex root?Complex roots are the imaginary root of polynomial functions. The complex roots are represented as α = a + ib, and β = c + id.
When the quadratic equation has a discriminant value less than zero will have imaginary roots.
Out of the given functions, a ,b, c, and d, the function with complex roots are b and d.
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Answer:
b &d is correct. i just took the test. :)
Step-by-step explanation:
Find the length of JH help pls
Answer:
c) 19
Step-by-step explanation:
To find the length of JH, subtract the length of HM from JM.
Length of JH = JM - HM
= 40 - 21
= 19
Answer:
JH = 19
Step-by-step explanation:
from the diagram
JH + HM = JM , that is
JH + 21 = 40 ( subtract 21 from both sides )
JH = 19
How many ways can the team assign field positions to 9 of the 22 players, putting each of the 9 selected players in a position he can play, and ensuring that all 9 field positions are filled
The number of ways is 497420
The ways can the team assign field positions to 9 of the 22 players, putting each of the 9 selected players in a position he can play, and ensuring that all 9 field positions are filled is [tex]22_{C_9}[/tex]
A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order.
22C9 = 22! /(9!*13!) = 497420
Thus, In 497420 ways the team assign field positions to 9 of the 22 players, putting each of the 9 selected players in a position he can play, and ensuring that all 9 field positions are filled.
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help me help me ………….
Answer:
not similar
Step-by-step explanation:
not similar--it doesn't work out for the angles to be similar
if we find the angle x of the right-hand triangle, we can tell it would be 41 degrees
meaning that these triangles are not similar
Use the given graph to determine the limit, if it exists. (4 points)
A coordinate graph is shown with an upward sloped line crossing the y axis at the origin that ends at the open point 3, 1, a closed point at 3, 7, and a horizontal line starting at the open point 3, 3.
Find limit as x approaches three from the right of f of x. .
Explanation:
Refer to the graph below. It should be similar to what your teacher gave you, based off the description.
Since we're approaching 3 from the right side, this means we'll be working with the horizontal line portion. We could start at something like x = 3.2 and move closer to 3 by getting to x = 3.1 then x = 3.01 then x = 3.001 and so on. We never actually get to 3 itself.
As x gets closer to 3 from this direction, the y values are approaching 3 since every point on this horizontal line has the same y coordinate. Technically the y value is already at 3, but it's the same idea.
In terms of notation, we can write [tex]\displaystyle \lim_{x\to3^{+}}f(x) = 3[/tex]
The portion [tex]x \to 3^{+}[/tex] means we're approaching 3 from the positive side, aka the right hand side on the number line.
HELPPPP ASAP !!
Write a compound inequality that represents the given graph
Answer:
x <= -2 or x >= 3
Step-by-step explanation:
Shaded circles represent <= or >=, and the first arrow points left from -2, and the second arrow points right from 3. Therefore x <= -2 or x >= 3 would represent the graph.
A principal amount of $3000 is invested for 3 years at 4% compounded semi-annually. Use the compound interest formula to determine how much interest was earned on the investment.
The $378.49 was earned on the investment if the principal amount of $3000 is invested for 3 years at 4% compounded semi-annually.
What is compound interest?It is defined as the interest on the principal value or deposit and the interest which is gained on the principal value in the previous year.
We can calculate the compound interest using the below formula:
[tex]\rm A = P(1+\dfrac{r}{n})^{nt}[/tex]
Where A = Final amount
P = Principal amount
r = annual rate of interest
n = how many times interest is compounded per year
t = How long the money is deposited or borrowed (in years)
Here,
P = $3000
r = 4% = 0.04
n = 2
t = 3 years
After plugging all the values in the formula:
[tex]\rm A = 3000(1+\dfrac{0.04}{2})^{2\times 3}[/tex]
After solving:
A = $3,378.49
I = A - P = 3,378.49 - 3000 = $378.49
Thus, the $378.49 was earned on the investment if the principal amount of $3000 is invested for 3 years at 4% compounded semi-annually.
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hello i need help on these question if u can
Answer:
The third one of the first question.
Solve for X if possible:
5x -4y = 24
x =_
The possible values of x be 4.8, 5.6 and 6.4.
What is equation?The statement of equality between two expressions consisting of variables and/or numbers.
Given:
5x -4y = 24
when y=0
5x = 24
x = 4.8
when y=1,
5x= 28
x= 5.6
when y=2,
5x= 32
x= 6.4
Hence, the possible values of x is 4.8, 5.6 and 6.4.
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The names of the months are each written on a slip of paper. if a slip of paper is randomly drawn, which scenario depicts mutually exclusive events? begins with a j and contains a u ends with an r and has five or fewer letters has thirty-one days and ends with a y contains an e and has thirty or fewer days
Answer:
Ends with r and has five or fewer letters
Step-by-step explanation:
Answer:
The answer is : B
Step-by-step explanation:
trust me I did it on edge 2022
i have no clue what to do
Answer:
4x + 3y = 12
Step-by-step explanation:
Answer:
4x + 3y = 12
Step-by-step explanation:
At x-intercept, y = 0.
∴ When we substitute y = 0 into the equation, x should equal 3.
• 1st equation: 3x + 4(0) = 12 ⇒ x = 4 ❌
• 2nd equation: 4x + 3(0) = 7 ⇒ x = 7/4 ❌
• 3rd equation: 3x + 4(0) = 7 ⇒ x = 7/3 ❌
• 4th equation: 4x + 3(0) = 12 ⇒ x = 3 ✅
This means the 4th option is the correct one.
To check, we can replace x = 0 into the 4th equation to see if the y-intercept value comes out to be 4:
4(0) + 3y = 12 ⇒ y = 4 ✅
Sharon drops a rubber ball from 160 feet every bounce sends the ball half as high as it was before. What is the total distance the ball has traveled from the moment it is dropped until it hits the floor for the fourth time
The total distance the ball has traveled from the moment it is dropped until it hits the floor for the fourth time is: 300 feet.
Total distanceFirst bounce
160 feet
Second bounce
= 1/2×160 = 80 feet
Third bounce
= 1/2×80 = 40 feet
Fourth bounce
= 1/2×40 = 20 feet
Hence:
Total distance= (160 feet+ 80 feet + 40 feet+20 feet
Total distance= 300 feet
Therefore the total distance traveled by the ball is 300 feet.
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