The graph represents the amount of money Sal earns for babysitting.

Graph where the x- axis gives time in hours and runs from zero to three and beyond. The y- axis gives earnings in dollars and runs from zero to twenty four and beyond. A straight line intersects the axes at (0, 0). Its coordinates are (5, 4), (1, 8), (1.5, 12), (2, 16), and (2.5, 20)

Part A
What does the ordered pair (2.5, 20) represent in the situation?
A. $2.50 for 20 hours
B. $1 for 0.125 hours
C. $0.125 for 1 hour
D. $20 for 2.5 hours
Part B
Does the graph represent a proportional relationship? Explain.
A.
Yes. The line passes through the origin.
B.
Yes. The line has a variable rate of change.
C.
No. The slope is not constant.
D.
No. The line has a y-intercept greater than 0.
Part C
What is the linear equation represented by the graph?
A. y = 20x + 2.5
B. y = 2.5x + 20
C. y = 8x
D. y = 0.125x

Answers

Answer 1

Answer: d, a, and c

Step-by-step explanation:

Answer 2

Part(A)

The ordered pair (2.5, 20) represents $2.50 for 20 hours. the correct option is A.

Part(B),

Yes. the line passes through the origin. The correct option is A.

Part(C),

The linear equation represented by the graph is y = 8x. The correct option is C.

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.

The general form of the equation of the line:-

y = mx + c

m = slope

c = y-intercept

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given that coordinates are (0.5, 4), (1, 8), (1.5, 12), (2, 16), and (2.5, 20).

Part(A),

The ordered pair (2.5,20) represents that the earning is $20 for the work of 2.5 hours.

Part(B),

The slope of the line will be calculated as,

Slope = ( y₂ - y₁ ) / ( x₂ - x₁ )

Slope = ( 8 - 4 ) / ( 1 - 0.5 )

Slope = 4 / 0.5

Slope = 40 / 5

Slope = 8 hours

The y-intercept is calculated as,

y = mx + c

16 = ( 2 x 8 ) + c

c = 16 - 16

c = 0

Hence, the line passes through the origin.

Part(C),

The equation of the line will be written as,

y = mx + c

y = 8x + 0
y = 8x

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Related Questions

Help pls! Find the value of X.

Answers

Answer:

C. 8

Step-by-step explanation:

102 - 54 = 6x

48=6x

x=48/6

x=8

Answer:

C!!!

Step-by-step explanation:

102-54= 48 divided by 6 equals 8 which is C

write an equation in slope-intercept form for each graph shown

Answers

Answer:

6. [tex]y = \frac{-1}{3} x+5[/tex]

7. [tex]y=\frac{5}{4}x-12[/tex]

Step-by-step explanation:

Rember to put an x behind the slope.

Sienna has $8 and is saving $3 per week. Jacob has $6 and is saving $4 per week. Which model represents the equation that can determine when Sienna will have the same amount of money as Jacob?

8 Negative x tiles and 3 positive 1 tiles = 6 positive x tiles and 4 positive 1 tiles

8 x tiles and 3 positive 1 tiles = 6 x tiles and 4 positive 1 tiles

3 x tiles and 8 positive 1 tiles = 4 x tiles and 6 positive 1 tiles

3 negative x tiles and 8 positive 1 tiles = 4 x tiles and 6 positive 1 tiles

Answers

Answer:

B

Step-by-step explanation:

From the given information:

Sienna has $8 denotes the unit blocks of x tiles. So, she saved $3 per week.

This implies that:

8x + 3(1) = 8x + 3

Also,

If Jacob as well had $6 which implies 6x unit block of tiles while he saved $4;

i.e.

6(x) + 4(1) = 6x + 4

So;

the model that can determine when Sienna will have the same amount as Jacob is:

8x + 3 = 6x + 4

Answer:

b

Step-by-step explanation:

NEED HELPP CORRECTT ANSWERS AND WILL GIVE THANKS AND MARK BRAINLIST ONLY FOR CORRECT ANSWER

Answers

Answer is B negative

A test has 40 questions. Denise finished 2\5 of the questions in the first 10 minutes and 1\2 of the total questions in the next 15 minutes. How many questions had Denise answered after 25 minutes?

Answers

Answer:

28 questions answered.

Step-by-step explanation:

40(2/5) is 16 questions.

40-16 is 24 questions left.

24(.5) is 12 questions.

16+12 gets you 28 questions.

Over the summer,Kate earned $180 each week for 7 weeks.Of that money,she spent $375 on a new computer and $137 on new clothes. How much did she have left?

Answers

Answer:

755

Step-by-step explanation:

First do 180x7 which will give you 1,260 then do 1,260-375-137 which gives you 755.

Kate has the $748 of money.

What is subtraction?

Subtraction is a mathematic operation. Which is used to remove terms or objects in an expression.

Given:

Over the summer,

Kate earned $180 each week for 7 weeks.

That means,

she earns = 180 x 7

= $1260

She spends,

= 375 + 137

= $512

Now, she has the money = $1260 - $512

= $748

Therefore, she has the money $748.

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simplify 10x + 7y + 32x - 15y please help!

Answers

42x-15y. goodluck!!!

y=x2-4

what is the answer?​

Answers

Answer:

x=√y+4 or x=−√y+4

Step-by-step explanation:

Step 1: Add 4 to both sides.

x2−4+4=y+4

x2=y+4

Step 2: Take square root.

x=√y+4 or x=−√y+4

Amy sells tote bags at a craft fair for a day. She pays $50 to rent a booth. The materials and labor cost on each tote bag is $3.50. Her expenses for the day depend on how many tote bags she sells. Write a linear function rule and identify the initial value and rate of change.​

Answers

Answer:

Let x= number of totebags sold

Cost=C(x)=50+3.5x

H m m m m m m m m m m m m m
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Answers

Answer:

<

Step-by-step explanation:

The first fraction is negative while the second fraction is a positive

Positives are bigger than negatives

Answer: >

Step-by-step explanation: >

simpliest radical form for the square root of 72​

Answers

Answer:

√72=2⋅3√2.

Step-by-step explanation:

This is your answer I am pretty sure this is correct.

If not please let me know.

Which is not equivalent to the equation P=2L+2W

Answers

Answer:

Where are the answer choices

Step-by-step explanation:

What is the measure of angle x?

Answers

the answer is 35 degrees

have many people out there watch ph everyday like my brother

Answers

Answer:

booanana

Step-by-step explanation:beep boop

Answer:

my sister do the same lol

Step-by-step explanation:

The interior dimensions of Sals refrigerator are 5 ft by 2 1/2 Ft by 2 ft. Find the capacity (Volume) of the refrigerator in cubic feet.​

Answers

Answer:

I think its 5 and 4 are the answer

PLEaSe HelP mE!

Cristiano Ronaldo now has 765 goals in his soccer career, 8 more goals than Pele. Which inequality would represent Pele's total goals when solving for x?

Answers

Answer:95.62

Step-by-step explanation:

x+8<765 I'm sure I'm notnpositivr

PLEASE HELP!! I NEED THE ANSWER REALLY SOON!

Answers

Answer/ explaination

the answer is 108, not 180 because 9 goes into 7, 0 times but he put 8


The two triangles shown are similar. Find the value of b.

Answers

Answer:

Since the corresponding sides of similar triangles are proportional,

[tex]\frac{a}{b}= \frac{2.1}{1.4} =\frac{3}{2}[/tex]

Name each polynomial by degree and number of terms of -7

Answers

Answer: i couldn’t find the answer to this one either

Step-by-step explanation:

PQRS is a square. find the value of x and y.



i need help, i aM DESPERATE FNDSVKBVKBVBKVD

Answers

Answer:

x = 7

y = 3/2 or 1.5 (IF THE ANGLE IS 30 BY THE RATIOS OF A RIGHT TRIANGLE.)

hope it's right

Step-by-step explanation:

FOR X:

Let's solve your equation step-by-step.

4x+3=31

Step 1: Subtract 3 from both sides.

4x+3−3=31−3

4x=28

Step 2: Divide both sides by 4.

4x/4=28/4

x=7

FOR Y:

Step 1: Simplify both sides of the equation.

(3)(7)+6y=30

21+6y=30

6y+21=30

Step 2: Subtract 21 from both sides.

6y+21−21=30−21

6y=9

Step 3: Divide both sides by 6.

6y/6=9/6

y=3/2

SOLVE THHE EQUATION QUICK WILL GUVE BRAILIEST: -3y-4>26

Answers

Answer:

342

Step-by-step explanation:

Answer: y<10

Explanation:
-3y-4>26
+4. +4
-3y/3>30/3
Y<-10

What is the slope of this graph?

A. -4

B. 1/4

C. -1/4

D. 4​

Answers

Answer:

-4 is the slope

Step-by-step explanation:

Because the line is going downwards that makes it a negative and if you count the boxes rise over run. You look for the point where the line meets a box perfectly and then you count the boxes down which is 4 and across which is one which makes it -4/1. So the slope is -4.

i will mark brainliest if u answer

Answers

Step-by-step explanation:

The trick here is finding the scale used in the plotting. From the question, we can find two hints;

- Number of cat = 40. Since it has an equal scale for both men and women. It means the 40 / 2 = 20 (20 men and 20 women) has cat as their favorite pet.

- Since we know that the number of men is 20, we have to find what individual box represents. There are 4 boxes, this means each box would have  a value of 20 / 4 = 5

Dog

For men, there are basically 5 lines (or boxes, if you prefer). This means 5 * 5 = 25

For women, there are basically 6 lines (or boxes, if you prefer). This means 6 * 5 = 30

Total frequency = 30 + 25 = 55

Hamster

For men, there are basically 3 lines (or boxes, if you prefer). This means 3 * 5 = 15

For women, there is basically 1 line (or box, if you prefer). This means 1 * 5 = 5

Total frequency = 15 + 5 = 20

Other

For men, there are basically 2 lines (or boxes, if you prefer). This means 2 * 5 = 10

For women, there are basically 3 lines (or boxes, if you prefer). This means 3 * 5 = 15

Total frequency = 10 + 15 = 25

Which type of function is shown in the table below

Answers

Answer:

Linear

Step-by-step explanation:

Answer:

Not a function  

Step-by-step explanation:

wdym it is D not a function

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Answers

Answer:

basically y=mx+b so it's y=1(3)+4

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Answers

Answer:

(0, 5)

Step-by-step explanation:

x = 0

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1) 45 +
103
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Answers

Answer:

148

Step-by-step explanation:

103+45=148

Mary ans will rent a tandem bike for 10$/hr. which value is the dependent variable.which is the independent variable. write an equation to represent the relationship between the number of hours,h,and the total cost,c.​

Answers

how many hours is the independent variable. 10h=c

Which explicit formula describes the sequence {87, 83.4, 79.8, 76.2, …}?

Answers

Answer:

an=87+(n-1)(-3.6)

Step-by-step explanation:

hope this helps

Answer:

an=87+(n-1)(-3.6)

can someone help me with this i'm really confused heh... i'll give you a 5 star rating and brainliest answer!​

Answers

1. m= 4/9
2. m=4
3. m=-11
4. m=1/2
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