The graph below shows the height through which an elevator travels, y, in x seconds:

A graph is shown with x-axis title as Time in seconds. The title on the y-axis is Height of Elevator Above Ground in feet. The values on the x-axis are from 0 to 5 in increments of 1 for each grid line. The values on the y-axis are from 0 to 75 in increments of 15 for each grid line. A line is shown passing through the ordered pairs 1, 15 and 2, 30 and 3, 45 and 4, 60. The title of the graph is Rate of Ascent.

What is the rate of change for the relationship represented in the graph?

fraction 1 over 15
fraction 1 over 14
14
15

Answers

Answer 1

Answer:

D. 15

Step-by-step explanation:

Rate of change is:

The change in the height over change in timem = (y2 - y1) / (x2 - x1)

Substitute values with ordered pairs:

m = (60 - 15)/(4 - 1)m = 45/3m = 15

Correct option is D. 15

Answer 2

Answer:

A line is shown passing through the ordered pairs (1, 15) and (2, 30) and (3, 45) and (4, 60).

The rate of change of height :---

[tex]slope( = m) = \frac{(60 - 15)}{(4 - 1)} = \frac{45}{3} = 15\\[/tex]

D. 15 is the right answer.

Related Questions

If 2 hours of TV had 40 commercials, how many commercials were in 1/2 hour?​

Answers

Answer: 10

Since there are 40 commercials in 2 hours you divide 40 by 2 to find out how many commercials there were in one hour. Then divide by two again bc 1/2 hour is 30 minutes and you get 10.

Identify the type of function below.
F(x) = 4x + 2

Answers

Answer: I cheated and looked it up. It says parabola or basic parabola.

is -9 greater thank or less than 8

Answers

It’s less than 8 because -9 is a negative and 8 is positive.

Which equation has a graph parallel to the graph of 9.x + 3y = -22?

Answers

Answer:

y = -3x - 8.3

Step-by-step explanation:

You need to rearrange 9x + 3y = -22 in the form y = mx+c.

9x+3y = -22

3y = -9x - 22

y = -3x - 7.3

As long as the gradient is the same, the lines will be parallel. So you can give any number to the intercept (in this case I gave 8.3) and you will have parallel equations.

Final answer : y = -3x - 8.3

The equation of the line having the parallel graph will be;

⇒ Y = -3x + 8

What is an equation of the line?

An equation of the line is defined as a linear equation having a degree of one. The equation of the line contains two variables x and y. And the third parameter is the slope of the line which represents the elevation of the line.

Given that;

The equation of line is,

⇒ 9x + 3y = - 22

Now,

Since,  The general form of the equation of the line:-

⇒ y = mx + b

Where, m = slope

b = y-intercept

And, Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

For the parallel lines, the slope of the two lines is always equal.

Here, The given equation will be written as,

⇒ 9x + 3y = -22

⇒ 3y = -9x -22

⇒ y = -3x - (22/3)

Let the equation of the graph is,

⇒ Y = -3x + 8

It has slope = m = dy/dx = - 3

Therefore, the equation of the line having the parallel graph is Y = -3x + 8.

Learn more about an equation of the line visit;

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The complete question is,

Which equation has a graph parallel to the graph of 9x + 3y = -22 ?

A) Y = 3x – 22

B) Y = -3x + 8

C) Y = 1/3x + 12

D) Y = -1/3x – 2

PLEASE HELP MEEE!!!!?????​

Answers

Answer:

Ummmmmmm

Step-by-step explanation:

Answer:

i think the answer is D becasue if you do the vertical line test the line passes through alot of times

Step-by-step explanation:

What is the solution to x3 + x2 s 10x - 8?

Answers

Answer:
Explanation:

HELP ASAP PLEASE GIVING BRAINLIEST!!

Answers

Answer:

$0.51 = 0.51 in decimal form

Step-by-step explanation:

The surface area A of a sphere is a function of its radius . The formula below
describes this relationship.
A) = 42
What is the value of A(7), the surface area of a sphere with a radius of 7
units?
A. 7848
B. 285
C. 56
D. 196

Answers

The answer you’re looking for is
D.
- I hope this helps, I got it right. Enjoy the rest of your day/night, please make me brainliest!

the dimensions of a right prism​

Answers

Answer:

v = 3/2

Step-by-step explanation:

volume = length × width × height

volume = 3/2 × 1/2 × 2

volume = 3/4 × 2

volume = 6/4 = 3/2

1/3 cup of garlic serves 10 people. How many cups of garlic are needed to make 40 servings

Answers

Answer:

1    1/3 cups or 4/3 cups

Step-by-step explanation:

1/3 serves 10

2/3 serves 20

3/3 serves 30

4/3 or 1  1/3 serves 40

Find the commission on a sale of $8,432 at 1 1/2% commission.

Answers

Answer:

5621.33333333

Step-by-step explanation:

This is only the right answer if you are asking how much money 1 1/2 % of 8432 is.

But i think i'm right ^-^

Find the horizontal distance of a soccer ball being kicked at a 40 degree angle with a velocity of 50 feet per second, to the nearest foot

Answers

Answer:

77 ft

Step-by-step explanation:

The horizontal distance is the range and it is a projectile motion.

So, range R = u²sin2θ/g where u = velocity = 50 ft/s, g = acceleration due to gravity = 32 ft/s² and θ = projection angle = 40°.

Substituting the values of the variables into the equation, we have

R = u²sin2θ/g

= (50 ft/s)²sin2(40°)/32 ft/s²

= (2500 ft²/s²)sin80°/32 ft/s²

= (2500 ft²/s²) × 0.9848/32 ft/s²

= 2462.02 ft²/s² ÷ 32 ft/s²

= 76.94 ft

≅ 77 ft to the nearest foot

an activity of 8 minutes each is to be performed by 5 students of class one after the other. the activity starts at 11:10 am with a break of 1 minute between two consecutive activities. when would the activity finish?​

Answers

Answer:

11:54 a.m

Step-by-step explanation:

Given that:

Length of activity = 8 minutes

Number of students = 5

Nreak length between each consecutive activity = 1 minutes

Start time = 11:10 a.m

Total activity time = Length of activity * number of students = (8 * 5) = 40 minutes

Total. Break time = 1 + 1 + 1 + 1 = 4 minutes

Total length of activity = (40 + 4) = 44 minutes

11:10 a.m + 44 minutes = 11:54 a.m

one box of golfballs costs $112. If you have $7290 and buy as many boxes as you can, how much money will you have left over?

Answers

Answer:

aproxitmatly 64 to be exact 64.2857

Step-by-step explanation:

Its easy all you have to do is divide 7,200 divided by 112 and eqauls 64

:) Hope you do great on it!

Help I need help I have 20 missing assignments

Answers

Answer:

142°

Step-by-step explanation:

Angles on a straight line add up to 180

180-38 = 142

Answer:

142

Step-by-step explanation:

x+38=180

x=180-38

x=142

Shea Is Hanging A Poster On A Wall The Poster Measures 25 inches by 25 inches Shea wants To Know How Much Wall Space Is Needed For The Poster

Answers

Answer:

625 inches

Step-by-step explanation:

so technically you are trying to find the area of the poster so...

25(25) = 625

so you would need 625in

Area of wall needed for the poster is equal to [tex]\boldsymbol{625}[/tex] square inches.

Define area.

The area of a the double region, form, or planar lamination in the planes is the quantity that describes its extent.

Measurement of the poster is [tex]25[/tex] inches by [tex]25[/tex] inches.

Therefore,

Area of wall needed for the poster [tex]=\boldsymbol{25\times 25}[/tex]

                                                          [tex]=\boldsymbol{625}[/tex] square inches

Find out more information about area here:

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True or False: The diagonals of a trapezoid are always congruent

Answers

Answer: i dont know i need points super sorry.

Step-by-step explanation:

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You are 25-year-old healthy male and interested in purchasing life insurance. Using the table, determine what
the annual premium for a 20-Year Endowment insurance police, given that the face value of the policy is
$89,753. If need be, round your answer to the nearest cent.
Permanent Insurance
20-Payment 20-Year
Age Whole Life
Life
Endowment
Male Female Male Female Male Fem ale
25 $16.38 $14.38 $28.40 $25.04 $37.02 $34.87
26 16.91 14.77 29.11 25.96 37.67 35.30
27 17.27 15.23 29.97
26.83 38.23 35.96
28 17.76
15.66
30.68 27.54 38.96 36.44
a. $3,431.26
b. $3,496.78
C. $3.322.66
d. $3,381.00

Answers

Answer: b. $3,496.78

Step-by-step explanation:

Based on the table, the annual premium for a 20-Year Endowment insurance policy for a 25-year-old healthy male with a face value of $89,753 is $3,322.66. The correct option is C.

What is annual premium?

The total amount paid in a year to keep the life insurance policy in force is referred to as the annualized premium.

A life insurance policy's annualized premium does not include taxes or rider premiums.

A premium is the cost of purchasing an insurance policy. Premiums are the monthly payments you make for many common insurance policies, such as life, auto, business, homeowners, and renters.

To find this answer, we look at the male row in the 20-Year Endowment column and find the value that corresponds to age 25. The value is $37.02. Then, we multiply this value by the face value of the policy ($89,753) and divide by 1,000.

($37.02 * $89,753) / 1,000 = $3,322.66

Therefore, the answer is option C.

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I need help on 10 I don’t get it please help me

Answers

9514 1404 393

Answer:

  B7 formula: =AVERAGE(B3:B6)

  B8 formula: =B1*B2*B7

Step-by-step explanation:

There are two parts to finding the answer to the questions posed. (1) You need to understand what you are being asked to calculate. (2) You need to know how to write that calculation as  a spreadsheet formula.

It is beyond the scope of this answer to give a tutorial in spreadsheets. Many web sites, videos, books, and other help sources are available to teach you how to open and use a spreadsheet. Presumably, you've been given an introduction in your class.

_____

a) The problem statement tells you that cell B7 contains the average of the values in cells B3 to B6.

The AVERAGE function will compute the average of a range of cells. It can be used in cell B7 to compute the average of the values in cells B3 to B6. The formula would generally be written ...

  =AVERAGE(B3:B6)

__

b) Problem 10 doesn't tell you explicitly what the pension formula is. We have to assume that it is similar to the formulas described in problems 8 and 9. That is, it is the product of a percentage, years worked, and the average of some number of salaries. In problem 10, the average is of 4 salaries.

The value in B8 will be the product of the pension credit percentage per year worked, the number of years worked, and the average of the last 4 years' salaries. Those values are in cells B1, B2, and B7, so the formula is written ...

  = B1*B2*B7

_____

The attachment shows the spreadsheet with the numbers from problem 8. The formula bar shows the formula for the selected cell, B8.

A shoe store uses a 40% markup for all of the shoes it sells. What would be the selling price of a pair
of shoes that has a wholesale cost of $67?

Answers

Sell price = wholesale cost x (1 + markup percentage)

Sell price = 67 x (1+ 0.40)

Sell price = 67 + 1.40

Sell price = $93.80

when solving the equation 4(3x^2+2)=8x^2+7, rochelle wrote 12x^2+8=8x^2+7 as her first step. Which property justifies rochelles first step?


Multiplication Property of equality
Addition property of equality
distributive property
communities property of addition

Answers

Answer: 12x^287=17

Step-by-step explanation: First step is you need to rotate the numbers add and plot bye pints

PLEASE HELP ME WITH MY HW PROBLEM??????

Answers

Answer:

The answer should be [tex]-\frac{1}{30}[/tex]

Step-by-step explanation:

Pythagorean Theorem
please help

Answers

Answer:

[tex]6^{2} + 7^{2} = x\\[/tex]

x= 36+49

x=√85

How many triangles can be made given the following angles? 33º. 42º. 66° One triangle More than one triangle No triangle can be made Question 5 (Mandatory) (2 points) Find the scale factor.​

Answers

Answer:

None

Step-by-step explanation:

The angles 33+42+66 does not add up to 180 degrees which would not make it a triangle at all.

I need help super quick

Answers

Answer:   D is correct

Step-by-step explanation:

everything under the X side can be multiplied by 5 and equal Y

Answer:

C

Step-by-step explanation:

Which graph represents this equation?Can someone please help me with this problem?​

Answers

Answer:

D

The bottom right one

Step-by-step explanation:

The negative sign in front of the 1/2 means that the graph has to be uspide down. That brings it down to only two answers and the final one can be determined through the y intercept. Which is -1/2

Consider the linear system of equations
2x + 3y + z = -1
3x + 3y + z = 1
2x + 4y + z = 2
b) Solve the system of equations using augmented matrix method​

Answers

Answer:

x=2,   y=3,   z=-14

Step-by-step explanation:

do similar triangles always have equal lengths of corresponding sides?

Answers

Answer:

Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size. The triangles are congruent if, in addition to this, their corresponding sides are of equal length.

Answer:

No. Similar triangles only have equivalent angles. Congruent triangles have equal side lengths.

Step-by-step explanation:

3. Which represents the problem below?
Mike has 4 brothers. Donna has 2 more brothers than Mike.
4-2
O 4: 2
7
2x4
4+2

Answers

Answer:

4+2

Step-by-step explanation:

2 more brothers mean +2

What's 2x2? This is a very hard question and i need help.

Answers

Answer:

4

Step-by-step explanation : ez

Answer:

oh my

Step-by-step explanation:

WHO IS GIVING YOU THIS HARD OF A QUESTION?!?! I gotta put all my braincells together for this one... I think it is 5... it was too hard to give a certain answer without doubt... good luck!

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