A proportional relationship is a relationship between equivalent ratios. Imagine that ice cream costs $2 per scoop. If you get one scoop of ice cream, you’ll pay $2. If you get two scoops, you’ll pay $4, and for three scoops you’ll pay $6. These ratios of scoops to prices are equivalent. Therefore, the relationship between number of scoops and total price is proportional. To find out the total price of your ice cream, you can always multiply the number of scoops you’re getting by the same number, 2. Which of these can be described with a proportional relationship? A An athlete runs 1 mile in 7 minutes and another mile in 7.5 minutes. B An athlete does 10 push-ups for every 1 mile she runs. C An athlete runs 2 miles and does 25 push-ups. D An athlete runs 5 miles 3 times a week.

Answers

Answer 1

Answer:

B. An athlete does 10 push-ups for every mile she runs.

Step-by-step explanation:

10/1  ->  20/2  ->  30/3


Related Questions

ASAP!!! Please help!!!

Answers

Answer:

[tex]-\frac{28}{99}[/tex]

Step-by-step explanation:

To divide a fraction by a fraction, flip the second fraction and change the divide sign into a multiplication sign.

[tex]\frac{4}{9}\div -\left(\frac{11}{7}\right)=\frac{4}{9} *-\frac{7}{11}[/tex]

Multiply:

[tex]-\frac{4*7}{9*11}[/tex]

[tex]-\frac{28}{99}[/tex]

The perimeter of a rectangle is 34 units. Its width is 6.56, point, 5 units.

Answers

Answer: equation for length 34- (6.5 times 2)  that whole thing divided by 2

Step-by-step explanation:

You know the width and a rectangle has 2 PAIRS of equal sides so if you know the width you just have to multiply that  by 2  [ to account 4 the other side with the same length] and subtract that from the perimeter! Then you divide that answer by 2 to get what one side's length is!

hope that helped if it was not helpful sorry because i am a first grader :/

Find the taylor series generated by f at x = a. f(x) = 1/9-x, a = 3.

Answers

Answer:

The generated Taylor series is;

f(x) = 1/6 + (x-3)/36 + (x-3)^2/216 + (x-3)^3/1296......

Kindly note that the series here is truncated at the third derivative, but if wanted, evaluation could be more than this

Step-by-step explanation:

Here, we are to find the Taylor series generated by f at x = a

Mathematically;

f(x)= 1/(9-x)

The f(a) at this point is calculated below;

f(a) = 1/(9-3) = 1/6

The first derivative is calculated below;

f'(x) = 1/(9-x)^2

f'(3) = 1/6^2 = 36

The second derivative is calculated below;

f''(x) = 2/(9-x)^3

f''(3) = 2/(9-3)^3 = 2/6^3 = 2/216 = 1/108

The third derivative is calculated as follows

f'''(x) = 6/(9-x)^4

f'''(3) = 6/(9-3)^4 = 6/6^4 = 1/216..

The Taylor series is thus given by;

f(x) = f(a) + f'(a) (x-a) + f''(a) (x-a)^2/2! + f'''(a) (x-a)^3/3! +...

Substituting the values of 3 for a at each of the points , we obtain the Taylor series as shown below;

f(x) = 1/6 + (x-3)/36 + (x-3)^2*1/108*1/2 + (x-3)^3*1/216*1/6 +...

f(x) = 1/6 + (x-3)/36 + (x-3)^2/216 + (x-3)^3/1296......

Based on the scatterplot of the transformed data and the residual plot, which type of model is appropriate for estimating print publication each year? A linear model is appropriate because the residual plot does not show a clear pattern. A power model is appropriate because the scatterplot of years and the log of circulation is roughly linear. An exponential model is appropriate because the scatterplot of years and the log of circulation is roughly linear and the residual plot shows no distinct pattern. Both an exponential and a power model would be appropriate because the log of circulation was used to develop the model.

Answers

Answer:

C

Step-by-step explanation:

Answer: c

Step-by-step explanation:

I just took the test and got it correct

Mrs. Berry’s class organized the lunch orders for their upcoming party in the table below.Lunch Orders for the Class Party
Lunch Choice
Number
Vegetarian Sandwich
3
Turkey Sandwich
7
Pepperoni Pizza
8
Cheese Pizza
10

Which ratio represents the number of orders for pepperoni pizza to cheese pizza?
A.4:5
B.5:4
C.StartFraction 10 Over 8 EndFraction
D.StartFraction 18 Over 10 EndFraction

Answers

Given:

Number  of Vegetarian Sandwich = 3

Number of Turkey Sandwich  = 7

Number  of  Pepperoni Pizza  = 8

Number  of  Cheese Pizza  = 10

To find:

The ratio which represents the number of orders for pepperoni pizza to cheese pizza.

Solution:

The ratio of number of orders for pepperoni pizza to cheese pizza is

[tex]\text{Ratio}=\dfrac{\text{Number of orders for pepperoni pizza}}{\text{number of orders for cheese pizza}}[/tex]

[tex]\text{Ratio}=\dfrac{8}{10}[/tex]

[tex]\text{Ratio}=\dfrac{4}{5}[/tex]

Therefore, the required ratio is 4:5 and option A is correct.

Answer:

4:5 and option A is correct.

Step-by-step explanation:

edge2020

what do you mean by herbivores?​

Answers

Answer:

An animal or insect that only eats vegetation, such as grasses, fruits, leaves, vegetables, roots and bulbs.

Step-by-step explanation:

Answer:

Plant eating dinosaurs

Step-by-step explanation:

Herbivores have the word herb in it which refers to it being a plant eating dinosaur so a carnivore has the word carn which also refers to it being a meat eating dinosaur.

Solve (−3) ⋅ 2. plz i need help

Answers

Answer: -6

Step-by-step explanation:

Answer:

-6

Step-by-step explanation:

Rule: When multiplying or dividing two numbers with the same sign (both positive or both negative), the answer is positive. When multiplying or dividing two numbers with different signs (one positive and one negative), the answer is negative.

Here you have a negative number and a positive number. Since their signs are different, the product is negative.

(-3) * 2 = -6

Solve forj.
-j - 9> -6 or -5j + 18 < 19

Answers

Answer:

j < 3

j > -1/5

Step-by-step explanation:

Question 1:

-j - 9 > -6

-j > 3

j < 3

Question 2:

-5j + 18 < 19

-5j < 1

j > -1/5

i>19 is the answer you need

(-6-4)÷(-5) how to do it

Answers

Answer:

2

Step-by-step explanation:

Hey there!

[tex]Answer:\boxed{2}[/tex]

[tex]Explanation:[/tex]

[tex](-6-4)/(-5)[/tex]

First reduce the expression and then cancel the common factors.

2

Hope this helps!

SOMEONE HELP ME PLEASE ASAP!!!

Answers

Answer:

600

Step-by-step explanation:

0+.80x=60+.70x

-.70x=60-.70x

.10x=60

÷.10=÷.10

C=600

0+.80(600)=480

60+.70(600)=480

What percent is represented by the shaded portion on this 10 × 10 grid?
I WILL GIVE BRAINLIEST

Answers

Answer:

10×10=100

The grid has 100 squares

75 squares are shaded blue

so that is 75 out of 100 or 75/100

which 75/100 = 0.75 which equals 75%

Step-by-step explanation:

The answer is choice 4 which is 75%

Answer:

D

Step-by-step explanation:

Point B lies between points A and C on Line segment A C . Let x represent the length of segment AB in inches. The length of line A C is 20 inches. The space between points A and B is labeled x. The space between points B and C is labeled 3 x. Use the segment to complete the statements. The value of x is . The length of Line segment A B in inches is . The length of Line segment B C in inches is .

Answers

AB = x

BC = 3x

AC = 20 inches = AB + BC

Let's plug our values into the equation above.

20 inches = x + 3x

Combine like terms

20 inches = 4x

Divide both sides by 4

5 = x

AB = x = 5 inches

BC = 3x = 3(5) = 15 inches

The value of x is

✔ 5

The length of Line segment A B in inches is

✔ 5

The length of Line segment B C  in inches is

✔ 15

<3

2605.40
Significant digits

Answers

yes indeed significant

HELPPPP PLEASEEEEE I NEED THIS ASAP

Answers

Answer:

10:4

Step-by-step explanation:

5:2=10:4 because 5 times 2 is 10,

and 2 times 2 is 4.

So they make up to be 10:4

-5|4x - 4|- 9 = 31.
What’s the answer

Answers

Jahdisnevhdfbwhjcnsvvjxv

A large mixing tank initially contains 1000 gallons of water in which 40 pounds of salt have been dissolved. Another brine solution is pumped into the tank at the rate of 5 gallons per minute, and the resulting mixture is pumped out at the same rate. The concentration of the incoming brine solution is 3 pounds of salt per gallon. If A(t) represents the amount of salt in the tank at time t, the correct differential equation for A is Select the correct answer

Answers

Answer:

c the answer is c

Step-by-step explanation:

HELP PLEASE I NEED THIS IN

Answers

Answer:

the degree is about 120

Step-by-step explanation:

b and a is about 60 something and so is b and c so add all that up and you get about 120 degrees.

help me out with this question ​

Answers

it’s the 400 voters surveyed
Answer: D) The 400 voters surveyed

The population is the entire set of registered voters (11100) in the city. This is what the election officials care about, so they won't focus on any other city data.

Inside that population, the much smaller sample is generated to try to make an educated guess about what the population will do. In this case, the sample is the 400 people surveyed. If the sample was generated randomly enough, then it should be unbiased to give a good idea of what the population will do.

Which number(s) below belong to the solution set of the equation? Check all
that apply
X+ 10 - 50

Answers

Answer:

40 is the answer

Step-by-step explanation:

x+10-50

x+40

Directions: Write an integer for each situation,
1. an 8 degree rise in temperature
2. 47 feet below sea level
3. a 19-yard gain
4. overdrawing an account by $124
5. two strokes below par
6. a 20-foot extension

Answers

Answer with explanation:

In integers , we represent quantity of terms such as rise, above , increment by positive integers whereas its opposite such as fall,  below, decrement is denoted by negative integers.

1. an 8 degree rise in temperature

Required integer = 8

2. 47 feet below sea level

Required integer =  =  -47

3. a 19-yard gain

Required integer =  19

4. overdrawing(taken more money out of account than the account has) an account by $124

Required integer =  - 124

5. two strokes below par

Required integer =   -2

6. a 20-foot extension

Required integer =  20

What is the value of x

Answers

Answer: x = 60

Step-by-step explanation: Notice that these two angles are vertical angles.

Whenever two lines intersect, a pair of vertical angle is always formed.

Now, vertical angles are always congruent.

So we can setup the equation 2x + 24 = 144.

Solving from here, we first subtract 24 from both sides to get 2x = 120.

Now dividing both sides by 2, we find that x = 60.

So x = 60.

Answer:

c. 60°

Step-by-step explanation:

[tex](2x +24)\° = 144\°\\\\2x+24\°=144\°[/tex]

Collect like terms and simplify

[tex]2x\° =144\°-24\°\\\\2x\°=120\°[/tex]

Divide both sides of the equation by 2 and simplify

[tex]\frac{2x}{2} = \frac{120}{2} \\\\x =60\°[/tex]

What positive value of x make the following eqaution true:x3=64? Explain

Answers

Answer:

if the 3 is an exponent, then it is 4 bc 4 to the power of 3 is 64

Step-by-step explanation:

x3=64

Step 1: Take cube root.

x=(64)(13)

x=4

Answer:

x=4

R= {(-3, -2), (-3, 0), (-1, 2), (1, 2)}
Select all numbers that are in the domain.
-3
-2,
-1
о
1
2

Answers

domains -3,-1,1
hope this helps

Answer: -3,-1, and 1.

Step-by-step explanation: You are given the relation R = {(-3, -2), (-3, 0), (-1, 2), (1, 2)} The domain of the relation are all possible inputs and the range of the relation are all possible outputs. So, the inputs are : -3,-1,1; and the outputs are : -2,0,2. As a result, the domain is : -3,-1,1; and the range is : -2,0,2.

What is the distance between the two points ?
A)6.5
B)6.3
C)16
D)6.7

Answers

Answer:

The answer is option B

Step-by-step explanation:

The distance between two points can be found by using the formula

[tex]d = \sqrt{( {x1 - x2})^{2} + ({y1 - y2})^{2} } \\ [/tex]

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

( -2 , 1) and ( 4,3)

The distance is

[tex]d = \sqrt{( { - 2 - 4})^{2} + ({1 - 3})^{2} } \\ = \sqrt{ ({ - 6})^{2} + ({ - 2})^{2} } \\ = \sqrt{36 + 4} \\ = \sqrt{40} \\ = 2 \sqrt{10} \\ = \:6.324555[/tex]

We have the final answer as

6.3

Hope this helps you

Step-by-step explanation:

Hey there!!!

Given, the points are (4,3) and (-2,1).

Then,

x1=4 x2=-2

y1=3 y2=1

Now, Using distance formula,

[tex](distance ) = \sqrt{ {(x2 - x1)}^{2} + ( {y2 - y1)}^{2} } [/tex]

Put all values.

[tex](distance ) = \sqrt{ {( - 2 - 4)}^{2} + {(1 - 3)}^{2} } [/tex]

Simplify them.

[tex](distance ) = \sqrt{( { - 6)}^{2} + ( { - 2)}^{2} } [/tex]

[tex](distance ) = \sqrt{36 + 4} [/tex]

[tex](distance ) = \sqrt{40} [/tex]

(distance )= 6.3245 units.

Therefore, the distance between the points(4,3) and (-2,1) is 6.32units.

So, your answer is option B.

Hope it helps....

2. Write each expression using exponents
(10 Points)
(-5) (-5)(-5) (-5)

Answers

Answer:[tex]5^{3}[/tex]

Step-by-step explanation:

Answer:

-5 to the forth power

Step-by-step explanation:

I add 45 to a certain number and then divide the sum by 2 the result is five the original number find the original number​

Answers

Hey there! I'm happy to help!

Let's call this number n. We can create the following equation.

(n+45)/2=5

Let's solve. We multiply both sides by 2.

n+45=10

We subtract 45 from both sides.

n=-35.

Have a wonderful day! :D

Answer:

n=-35

Step-by-step explanation:

What is the value of f(-2)?

Answers

Answer:

-2f

Step-by-step explanation:

After Simon donated four books to the school library he had 28 books left. How many books did Simon have to start with?

Answers

Add the number he gave away to the number he has left.

28 + 4 = 32

He started with 32 books

Consider these shapes.
Shape A

3x^2+ 2
7x2 + 4x + 8
Shape B
3x^2+ 2

If shape B is a square, which polynomial represents the difference of the areas of shape A and shape B?
A. 8x +8x + 12
B. 12x^4+ 12x^3 + 26x^2 + 8x + 12
C. 32x^2 + 8x + 28
D. 30x^4 + 12x^3 + 40x^2 + 8x + 20

Answers

Answer:

The correct answer is B :)

Step-by-step explanation:

The difference in the area of shape A and shape B is option B which is [tex]12x^{4}+12x^{3}+26x^{2} +8x+12[/tex].

What is area of rectangle and square?

Area of rectangle and square is the extent of surface rectangle and square exhibits into them. The area of rectangle is length * breadth and the area of square is side*side.

How to find area?

We have been given the length of shape A=[tex]7x^{2} +4x+8[/tex] and breadth be [tex]3x^{2} +2[/tex] and the side of shape B be [tex]3x^{2} +2[/tex].

Shape A looks like rectangle and shape B looks like square.

So the area becomes:

Area of shape A =[tex](3x^{2} +2) ( 7x^{2} +4x+8)[/tex]

we have to multiply both expressions

=[tex]21x^{4} +12x^{3} +24x^{2} +14x^{2} +8x+16[/tex]

=[tex]21x^{4} +12x^{3} +38x^{2}+8x+16[/tex]

Area of shape B=[tex](3x^{2} +2)(3x^{2} +2)[/tex]

=[tex]9x^{4} +6x^{2} +6x^{2} +4[/tex]

=[tex]9x^{4} +12x^{2} +4[/tex]

Difference=[tex]21x^{4}+12x^{3}+38x^{2} +8x+16-9x^{4} -12x^{2} -4[/tex]

=[tex]12x^{4} +12x^{3}+26x^{2} +8x+12[/tex]

Hence the difference between shape A and shape B is [tex]12x^{4} +12x^{3}+26x^{2} +8x+12[/tex].

Learn more about area at https://brainly.com/question/25965491

#SPJ2

please help meee!! 20 points!!!!

Answers

Im pretty sure it’s a cause that’s what said was right for me
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