I need help ASAp Ive been stuck on this for a long time

I Need Help ASAp Ive Been Stuck On This For A Long Time

Answers

Answer 1

Answer:

Step-by-step explanation:


Related Questions

Erika drives from school to soccer practice 1.3 miles away. It takes her 7 minutes.
a.
b.
C.
d.
What fraction represents her constant speed, C?
What fraction represents her constant speed, C, if it takes her x minutes to drive exactly 1 mile?
Write a proportion using the fractions from parts (a) and (b) to determine how much time it takes her to drive
exactly 1 mile. Round your answer to the tenths place.
Write a two-variable equation to represent how many miles Erika can drive over any time interval.

Answers

a. Constant speed, C =  0. 19 miles/minutes

b. The fraction representing her constant speed is  1/x miles/minutes

c. The time it takes her to drive exactly 1 mile is 5. 38 minutes

How to determine the value

The formula for calculating constant speed is expressed as;

Constant speed = total distance covered/ total time taken

From the information given, we have that;

Total distance = 1. 3milesTime taken = 7 minutes

Now, substitute the values into the formula

Constant speed = 1. 3 / 7

Divide the values

Constant speed = 0. 19 miles/minutes

When distance 1 mile, time taken = x minutes

Constant speed = 1/x miles/minutes

If 1. 3 miles = 7 minutes

Then, 1 mile = x

cross multiply

x = 7/1. 3

x = 5. 38 minutes

Hence, the constant speed is 0. 19 miles/minutes

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There are only 2.1 x 10^8 metric tonnes of usable fossil fuels existing on Earth.

Assuming an estimated rate of fossil fuel use of 1 x 10^5 metric tonnes per year, calculate an order of magnitude estimation of the time left before the fossil fuel reserves run out.

Give your answer to one significant figure.

The answer is 2000 but I cannot figure out how they got it.

Answers

The time left before the fossil fuel reserves run out is 2000years(1significant figure)

What is rate?

A rate is a special ratio in which the two terms are in different units. For example, if a 14-ounce can of corn costs 69¢, the rate is 69¢ for 14 ounces. Rate can also be defined as the ratio of two unlike units.

The total metric tonnes of fossil fuel on earth is 2.1×10⁸.

The rate of usage is 1×10⁵ metric tone of fossil fuel per year

as been said rate = total metric tone of fuel/ number of years to use

1×10⁵= 2.1×10⁸/no of years

no of years = 2.1×10⁸/1×10⁵

no of years = 2.1×10³years= 2100years

to 1 significant figure = 2000years

therefore the number of years for the fossil fuel to run out is 2000years

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6. Investors buy a studio apartment for $ 240,000. Of this amount, they have a down payment of $ 60,000.
a. Their down payment is what percent of the purchase price?
b. What percent of the purchase price would a $ 12,000 down payment be?

Answers

If Investors buy a studio apartment for the amount of 240,000.

a. The percent of the purchase price is 25%.

b. The percent of the purchase price is 5%.

How to find the percent of purchase price?

a. Percent of purchase price

Using this formula to find the percentage of purchase price

Percent of purchase price = Down payment / Selling price

Percent of purchase price = $60,000/$240,000

Percent of purchase price =  0.25 × 100

Percent of purchase price = 25%

b. Percent of purchase price

Percent of purchase price =  Down payment /Selling price

Percent of purchase price =  $12,000/$240,000

Percent of purchase price =  0.05 ×100

Percent of purchase price = 5%

Therefore the  percent of the purchase price is 25%, 5%.

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сделайте пожалуйста 5 заданий из этих

Answers

Answer:

Step-by-step explanation:

This is for my calculus class, please help.

Answers

The area bounded by y = x² + 5 and the x-axis from x = 3 to x = -2 is 110/3.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

We have,

y = x² + 5

The area bounded by y = x² + 5 from x = -2 to x = 3.

= [tex]\int\limits^{3}_{-2} {(x^2 + 5)} \, dx[/tex]

= [tex][x^3/3]^{3}_{-2}[/tex] + 5 [tex][x]^{3}_{-2}[/tex]

= 1/3 [tex][(3)^3 - (-2)^3][/tex] + 5 [3 + 2]

= 1/3 [27 + 8] + 5 x 5

= 1/3 x 35 + 25

= 35/3 + 25

= (35 + 75)/3

= 110/3

Thus,

The area bounded is 110/3.

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math
r,mrkmrkrmkrmkrmkr

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When you start from the given set of rules and conditions and determine must be true you are using c) Deductive reasoning.

Define deductive reasoning.

In deductive reasoning, conclusions are reached based on premises that are typically taken to be true. It employs a logical premise to arrive at a logical conclusion and is also known as "deductive logic." The term "top-down reasoning" is frequently used to describe deductive reasoning. If something is presumptively true and a different object is connected to the first presumption, then the original truth must also apply to the second. Syllogism is one of the most popular forms of deductive reasoning. A major and a minor assertion coming together to make a logical conclusion is referred to as a syllogism. The fact that the two statements are true indicates that the assertion will probably be true for all further premises belonging to that category.

Given,

When you start from the given set of rules and conditions and determine must be true you are using ___ reason.

c) Deductive reasoning

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Which BEST describes the decimal form of a rational number?
Responses
A either terminates in 0's or repeats. either terminates in 0's or repeats.
B eventually repeats a non-zero digit eventually repeats a non-zero digit
C neither terminates nor repeat sn either terminates or repeats
D always terminates in 0's

Answers

Answer:

Step-by-step explanation:

A.) either terminates in 0's or repeats.

Some decimals repeat and some decimals don't.

Find f'(x) and simplify.
f(x)=x²+5/3x-2
Which of the following shows the correct application of the quotient rule?
A. (3x-2)(2 x)-(x²+5)(3)/(3 x-2)²
B. (3 x-2)(2 x)-(x²+5)(3)/(x²+5)²
C. (x²+5)(3)-(3 x-2)(2 x)/(x²+5)²
D. (x²+5)(3)-(3 x-2)(2 x)/(3 x-2)²

Answers

The correct application of the quotient rule is  f'(x) = [(3x - 2)2x - (x²+5)(3)]/[(3x - 2)]²

What is the derivative of a function?

The derivative of a function f'(x) is the rate of change of the function with respect to a variable.

How to find the correct application of the quotient rule?

Since we have f(x) = (x²+5)/(3x-2), to find its derivative f'(x), we use the quotient rule.

What is the quotient rule?

Given a function f(x) = u(x)/v(x) then the derivative of f(x) which is f'(x) = [v(x)du(x)/dx - u(x)dv(x)/dx]/[v(x)]²

So, with f(x) = (x²+5)/(3x-2)

u(x) = (x²+5) and v(x) = (3x-2)

So, du(x)/dx = d(x²+5)/dx

= d(x²+5)/d(x²+5) × d(x²+5)/dx

= 2x

and

dv(x)/dx = d(3x - 2)/dx

= d3x/dx - d2dx

= 3 - 0

= 3

Since  f'(x) = [v(x)du(x)/dx - u(x)dv(x)/dx]/[v(x)]², substituting the values of the variables into the equation, we have that

f'(x) = [v(x)du(x)/dx - u(x)dv(x)/dx]/[v(x)]²

f'(x) = [(3x - 2)2x - (x²+5)(3)]/[(3x - 2)]²

So, the quotient rule is  f'(x) = [(3x - 2)2x - (x²+5)(3)]/[(3x - 2)]²

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Find length, width, perimeter, and area

Answers

Answer:

length is 4 units

width is 2 units

Perimeter is 12 units

Area is 8 sq units

Step-by-step explanation:

Since you have a graph of the points, you can see the shape is a rectangle. Count to find the measure of the length and width.

Perimeter is the distance all the way around the shape.

length + width + length + width

Or 2(length)+2(width)

= 2 + 4 + 2 + 4

= 12

Area is

length × width

= 4 × 2

= 8 sq units.

The sum of three numbers is 68. The first number is 8 more than the second. The third number is 2 times the second. What are the numbers?

Answers

The numbers are  23,15,30 if the sum of three numbers is 68.

What is an equation?

When two expressions are connected with the equals sign (=) in a mathematical formula, it expresses the equality of the two expressions. A well-formed formula consisting of two expressions linked by an equals sign is considered to be an equation in English, but the word's cognates in other languages may have slightly different definitions. For instance, an equation is defined as having one or more variables in French.

Determine which values of the variables result in the equality to be true in order to solve an equation with variables. The values of the variables that must fulfill the equality to constitute the answer are known as the unknowns, together with the variables for which the equation must be solved.

Let the first number be x

The second number is 8 Less than the x is x-8

The third number is 2 times the second is 2(x-8)

Sum of the three numbers is 68

x+x-8+2(x-8)=68

4x-24=68

4x=92

X=23

Therefore, the numbers are 23,15,30

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Solve the system of equations graphed on
the coordinate axes below.
y=-3x - 5
y =4/3x-5

Answers

Placing a point at the graph's y-intercept offor the equation (0,-5).

How to solve the system of equations graphed?Placing a point at the graph's y-intercept of -4 for the equation y =3x - 5 (0,-5). From the point (0,-5) go one down, three to the right, and then add another point because the slope is -5The two points may be connected by drawing a line using a straightedge. Keep going after the two points. Past them, continue the line.same for y = 4/3x-5. Place a point at since the y-intercept is at 2, (0,-5). Since the slope is 4/3, go up 4and to the right 3 before drawing a second point from (0,-5). The two points may be connected by drawing a line using a straightedge. Don't, once more, end at the two points. Past them, continue the line.

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assume that there is a party consisting of people between the ages of 18 and 24 inclusive. how many people would have to be at the party to guarantee that at least three people share the same birth date, birth month, and birth year? note: assume the range of birth years include 2 leap years. (

Answers

The minimum number of people that would need to be at the party to guarantee that at least three people share the same birth date, birth month, and birth year is Three (3).

To find the number of people that would need to be at the party to guarantee that at least three people share the same birth date, birth month, and birth year, we need to consider the number of possible birthdays that exist within the given age range (18 to 24 inclusive).

There are 12 months in a year, and each month has between 28 and 31 days (depending on the month). Therefore, there are a total of 12 * 31 = 372 possible birthdays within a given year.

There are 7 possible birth years within the given age range (18 to 24 inclusive), which means there are a total of 7 * 372 = 2596 possible birthdays within the given age range.

Since we want to guarantee that at least three people share the same birthday, we need at least 3 people to be at the party.

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Complete Question:

Assume that there is a party consisting of people between the ages of 18 and 24 inclusive. How many people would have to be at the party to guarantee that at least three people share the same birth date, birth month, and birth year? Note: assume the range of birth years include 2 leap years.

pls help ill mark brainliest

Answers

Answer:

Step-by-step explanation:

since you are rotating the image it shows y k j and l so it would be 5.5

The rotation rule for 90° clockwise is: (x, y)——>(y, -x)

Following this rule, we will take all coordinates of triangle JKL and apply the rule to rotate the triangle 90° clockwise. We will do each point individually.

Point J to J’: (2, 2)——>(2, -2)

Point K to K’: (3, 5)——>(5, -3)

Point L to L’: (-1, 6)——>(6, 1)

To check, after graphing triangle J’K’L’, a segment can be constructed from the new points to the origin, and another segment can be constructed from the origin to the pre-image’s corresponding points. This should form a ray with a measurement of 90.° So, each corresponding point should be 90° clockwise about the origin.

Now, we must dilate the rotated triangle by a scale factor of k=1/2. To do this, each coordinate in triangle J’K’L’ must shrink by 1/2 f triangle JKL. We must shrink each x and y coordinate in every pair to create a proportional, similar figure. Therefore, dilating the figure by k=1/2 is equivalent to dilating the figure to half the size of the original.

Point J’ to 1/2(J’): (2, -2)——>(2/2, -2/2) = (1, -1)

*Note that one half times a number is the same as that number divided by half.*

Point K’ to 1/2(K’): (5, -3)——>(5/2, -3/2) = (2.5, -1.5)

Point L’ to 1/2(L’): (6, 1)——>(6/2, 1/2) = (3, .5)

So, the final triangle should have coordinates of (1, -1), (2.5, -1.5), and (3, .5)

Select the correct answer.
Convert 3-3i to polar form.
A. 3√2cis π/4
B. 3√2cis 3π/4
C. 3√2cis 5π/4
D. 3√2cis 7π/4

Answers

(Please mark brainliest <3)

Correct option is D.

We have been given a complex number 3-3i we have to convert it in the polar form:

Polar form of a complex number: z=r(cosθ+isinθ)

Where, r=√x^2+ y^2

the general form of complex number is:

x+iy

•Here, x=3 and y=-3

•Hence, r=√3^2+(-3)^2}= √18

•And θ=tan −1 y/x

•θ=tan −1 -3/3

•θ=tan −1 (−1)

•θ=2π− π/4

•θ= 7π/4

•Hence, substituting all the values in polar form formula we get:

z= √18cos( 7π/4) + isin (7π/4)

According to the United States Census Bureau the population of Utah was 2.12 million people in 1997 and 2.53 million people 9 years later in 2006. Use an explicit exponential model P t = P 0 ( 1 + r ) t to calculate the rate of growth of the population over this time period.

Answers

The rate of growth in the exponential function is 1.98%

Exponential Function

An exponential function is defined by the formula f(x) = aˣ, where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.

To solve this problem, we have to model the growth in an exponential function.

Population in 1997 = 2.12 million

Population in 2006 = 2.53 million

Time = 9

Since this is an exponential growth function, we can write this as;

2.53 = 2.12(1 + r)⁹

where r = rate of growth

2.53 = 2.12(1 + r)⁹

r = 0.0198

r = 1.98%

The rate of growth is 1.98%

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46650 round it to the nearest million

Answers

The rounding of 46,650 to the nearest million is given as follows:

0.

How to round a number?

To round a number, the number at the next place relative to the rounding place must be looked:

If the number is less than 5, then the number at the previous digit remains constant.If the number is of 5 or greater, then the digit at the previous digit is increased by one.

Examples of rounding to the nearest tenth are given as follows:

10.52 = 10.5, as 2 < 5.10.56 = 10.6, as 6 > 5.

The numbers to the nearest million are rounded according to the example given as follows:

Less than 500,000: 0.Between 500,000 and 1,500,000: 1.And so on...

For this problem, we are given a number that is less than 500,000, hence the rounding of the number to the nearest million is of 0.

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PLEASE HELP

An equation of a line is shown. A second line is perpendicular to the given line and passes through the point (0,1).

Which is the equation of the perpendicular line?

Answers

Answer:

C

Step-by-step explanation:

slope of the first line =  -9/2


slope of a perpendicular line = 2/9


y-(-1)= 2/9(x-0)

y + 1 = 2/9 x

y = 2/9 x -1

The graph is the boundary line for the inequality y ≤ 2/3x + 1. Which of the points is a solution for this inequality?
A (-4,5)
B (-10, -2)
C (0,-3)
D (1,3)

Answers

The points is a solution for this inequality is (0, -3).

What is inequality?

In mathematics, inequalities specify the connection between two non-equal numbers. Equal does not imply inequality. Typically, we use the "not equal sign (≠)" to indicate that two values are not equal. But several inequalities are utilized to compare the numbers, whether it is less than or higher than.

Switch sides

[tex]\frac{2}{3} x+1 \geq y$$[/tex]

Move 1 to the right side

[tex]\frac{2}{3} x \geq y-1$$[/tex]

Multiply both sides by 3

[tex]3 \cdot \frac{2}{3} x \geq 3 y-3 \cdot 1$$[/tex]

Simplify

[tex]2 x \geq 3 y-3$$[/tex]

Divide both sides by 2

[tex]\frac{2 x}{2} \geq \frac{3 y}{2}-\frac{3}{2}$$[/tex]

Simplify

[tex]x \geq \frac{3 y-3}{2}$$[/tex]

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Im lost can I get help with this

Answers

Answer:

see explanation

Step-by-step explanation:

y = - x² + 4

can be expressed in functional notation as

f(x) = - x² + 4

to find the range value, substitute the domain value into f(x) , that is

f(3) = - 3² + 4 = - 9 + 4 = - 5

range value is then - 5

write the ratio as a fraction in simplest form 35 to 112

Answers

Answer:

5 :16

Step-by-step explanation:

35:112     <===== divide both by '7 ' to get   5/16

What is the value for k

Answers

Put -2 for x

Simplify and u get

-36

What is the slope of the line passing through the points (-1, 3) and (4, - 7)?
02
O-2
O
O
ده | ر

Answers

Answer:

Step-by-step explanation:

m = slope

m =  (-7 -3 ) / (4 -(-1)

m = -10 / 5

m = -2

ask, if you want to understand  how I got that.  :)

determine whether each pair of triangles is congruent. if so, write a congruence statement and explain why the triangles are congruent. (lesson 5-5) 4. b c n r p f m d 5. a l e

Answers

No, these two triangles are not congruent. Congruent triangles have the same shape and size, and Triangle ABC and Triangle DEF do not have the same shape or size.

Congruent triangles are two triangles that have the same shape and size. This means that the angles and the side lengths of the two triangles must be the same. For example, if two triangles have three angles that measure 60°, 60°, and 60°, the two triangles are congruent. Similarly, if two triangles have three side lengths of 5 cm, 6 cm, and 7 cm, the two triangles are also congruent. However, Triangle ABC and Triangle DEF do not have the same shape or size, therefore, they are not congruent. The angles and side lengths of the two triangles are not the same, so they cannot be congruent.

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the complete question is

determine whether each pair of triangles is congruent. if so, write a congruence statement and explain why the triangles are congruent.

Triangle ABC and Triangle DEF

write and equivalent expression to 24x^2 +56x choose all that apply

Answers

Here is the step by step x

The equivalent expression to 24x^2 +56x is : 8x(3x+7)

What is an equivalent expression?Expressions that are equivalent do the same thing even when they have distinct appearances. When we enter the same value(s) for the variable, two algebraic expressions that are equivalent have the same value (s).Using the equality (=) symbol, equivalent phrases are represented. Because both expressions have the same value for any value of x, 3(x + 2) and 3x + 6 are identical expressions. 3x + 6 = 3 × 4 + 6 = 18.When two expressions can be reduced to a single third expression or when one of the expressions can be expressed in the same way as the other, they are said to be equivalent. When values are replaced for the variable and both expressions yield the same result, you may also tell if two expressions are equal.

Given data :

= 24[tex]x^{2}[/tex] + 56

= 24 xx + 56

Rewrite 24 as 8 * 3

Rewrite 56 as 8 * 7

= 8 * 3xx + 8 * 7x

= 8x (3x+7)

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Let f be a differentiable function, defined for all realnumbers x, with the following properties. Find f(x). Show yourwork.
i) f'(x)=ax2+bx
ii) f'(1)=6 and f"(1)=18
iii. =18

Answers

The differentiable function f with the given properties is [tex]f(x)=4x^3-3x^2+10[/tex].

What is a differentiable function:

A function with a differentiable value of one real variable is one whose domain contains a derivative. In other words, each interior point in the domain of a differentiable function's graph has a non-vertical tangent line.

The given properties for the differentiable function f are:

[tex](i) f'(x)=ax^2+bx\\ (ii) f'(1)=6, f''(1)=18\\ (iii) \int\limits^2_1 {f(x)} \, dx =18[/tex]

From (i) we can get [tex]f''(x)=2ax+b[/tex]

By substituting (ii) in (i) we will get:

a+b=6 and 2a+b=18. By solving these two equations we will get the following:

a=12, b=-6.

We will integrate (i) on both sides, we will get:

[tex]f(x)=\frac{ax^3}{3} +\frac{bx^2}{2} +c[/tex] where c is the integration constant.

In this equation, we will substitute a,b.

[tex]f(x)=\frac{12x^3}{3} +\frac{-6x^2}{2} +c\\ \\ f(x)= 4x^3-3x^2+c[/tex]...................(iv)

Now we will substitute (iv) in (iii), and we will get:

[tex]\int\limits^2_1 {( 4x^3-3x^2+c)} \, dx =18\\ \\ (2^4-2^3+2c)-(1^4-1^3+c)=18\\ \\c=10[/tex]

Therefore [tex]f(x)=4x^3-3x^2+10[/tex].

Complete question:

Let f be a differentiable function, defined for all real numbers x, with the following properties. Find f(x). Show your work.

[tex](i) f'(x)=ax^2+bx\\ (ii) f'(1)=6, f''(1)=18\\ (iii) \int\limits^2_1 {f(x)} \, dx =18[/tex]

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Find all values of x that make the equation true. 3/x+3 = x-4/x

Answers

Answer:

X = -2 - 2(square root)3 or x = -2 + 2 (square root )3

Step-by-step explanation:

you have to choose a number between 0 and 100. the winner of the game is the person whose number is closest to 2/3 times the average of all chosen numbers.

Answers

The "winning" guess when  played this game has been around 18.

What is rationality?

The quality of being guided by or based on reasons is referred to as rationality. In this sense, a belief is rational if it is based on strong evidence, and an individual acts rationally if they have a good reason for doing so. This quality can be applied to a skill, like reasoning in a rational animal, a psychological process, like reasoning, mental states, like beliefs and intentions, or people who have these other kinds of rationality. If something does not meet the standards of rational evaluation, it is either irrational or rational, depending on where it falls outside the realm of rational evaluation.

Given you have to choose a number between 0 and 100. the winner of the game is the person whose number is closest to 2/3 times the average of all chosen numbers,

Theoretically,  concur that the answer is 0. As stated, this is due to widespread rationality knowledge. You should guess 2/3*50=33 if everyone chose equally between 0 and 100. The average would be 50. Everyone ought to guess 33 if they are all aware of this. However, if I know that everyone correctly predicted 33, then 33 is the average, and should seek 2/3*33=22. This logic continues until everyone should correctly guess 0.

People actually don't think this way, but I disagree that you should guess between 5 and 10, which I believe is too low. depending on who you play with, as a group of game theorists might get a lower average than a group of people from the average population.) In a real-world setting, you need to consider how many iterations the others will make. You should guess 22 if you think they will only do one, which would result in everyone guessing 33. If you assume that they iterate the reasoning twice on average and guess 22, you should estimate 15 and so on.

The "winning" guess when  played this game has been around 18.

Hence the guess should be 18.

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the complete question is,

Several people choose an integer between 0 and 100. The winner is the person whose integer is closest to 2/3 of the average of the numbers reported by all seven participants. What value would you choose?

At a local ice-cream store, 210 people were surveyed on whether they preferred eating ice cream from a cone or a cup. Of the 210 people surveyed, 70 were adults and 140 were children. Of the responses, 150 indicated the cone as the preferred method of eating ice cream. For those surveyed, there was no association between age and preferred method of eating ice cream. Which of the following tables show the distribution responses?
answer choices
Graph i
Graph ii
Graph iii
Graph iv
Graph v

Answers

Graph ii shows that 150 people preferred eating ice cream from a cone, while 60 people preferred eating ice cream from a cup. There was no association between age and preferred method of eating ice cream.

Graph ii is a table that shows the distribution of responses to the survey about preferred method of eating ice cream. The table shows that out of the 210 people surveyed, 70 were adults and 140 were children. Of the 210 people surveyed, 150 indicated the cone as the preferred method of eating ice cream, while 60 indicated the cup as the preferred method. This table indicates that there is no association between age and preferred method of eating ice cream, as the responses were evenly distributed between adults and children. This information can be used to determine the preferences of customers at the ice-cream store and can help inform decisions about how to serve the ice cream. For example, the store may choose to provide more cones than cups based on the survey results. Additionally, this table can be used to compare the preferences of different demographic groups, although in this case the survey showed that there was no association between age and preferred method of eating ice cream.

Adults: 70 people surveyed, 35 preferred cone, 35 preferred cup

Children: 140 people surveyed, 115 preferred cone, 25 preferred cup

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What is the solution and how can I solve it? I an super confused

Answers

whats the question im getting off camera blind explain it to me

I’ll give BRAINLIEST if correct I need asap question is in the photo attached

Answers

The domain and range of the function will be Real number and [0, ∞). The parent function f(x) is get shifted down by 2 units.

What is an absolute function?

The absolute function is also known as the mode function. The value of the absolute function is always positive.

If the vertex of the absolute function is at (h, k). Then the absolute function is given as

f(x) = |x - h| + k

The function is given below.

g(x) = |x + 3|

The graph of the function g(x) is given below. From the graph, the domain and range of the function will be Real number and [0, ∞).

The parent function and translated function are given below.

f(x) |x| and h(x) = |x| - 2

The parent function f(x) is get shifted down by 2 units.

More about the absolute function link is given below.

https://brainly.com/question/10664936

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