The scatterplot and trend line below represent the amount of money earned after completing x chores. If Jamie completed 5 chores, about how much money did she earn?

Answers

Answer 1

Answer:

Answer:

She earned 11 after completing 5 chores

Step-by-step explanation:

We are shown a scatter plot and the equation of best fit line. The eqaution explains the general trend of the scatterplot. Using the equation we can find the money earned for 5 chores

Amount of money earned, y = 2x + 1 ---(1)

Chores Completed, x = 5

put x = 5 in eq(1)

y = 2(5) + 1

y = 11

Answer 2

Answer:

Answer:

Step-by-step explanation:

took the test

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A rectangle is eight inch long and its diagonal is ten inches. What's the width of the rectangle?

Answers

Diagonal = $\sqrt{length^(2) + width^(2) }$

10 = $\sqrt{8^(2) + width^(2) }$

10 = $\sqrt{64 + width^(2) }$

100 = 64 + $width^(2)$

$width^(2)\n$ = 100 - 64

$width^(2)$ = 36

width = $√(36)$

width = 6 inches

Answer:

the answer is 6 inches

Step-by-step explanation:

To find the diagonal we use the Pythagorean Theorem:

l² + w² = d² where the is d hypotenuse

8² + w² = 10²

64 + w² = 100

w² = 100 - 64

w² = 36

w = √36

w = 6

therefore the width of the rectangle is 6 inches

I hope this was helpful !!!!!!!!!

A girl is 6 years older than her brother than her brother. In 3 years she will be 2 years older than twice what his age will be then. What are their ages now?

Answers

Answer:

1 = brother's age now.

4 = brothers age in 3 years.

7 = girls age now.

10 = girls age in 3 years.

Step-by-step explanation:

You want to get x by itself first.

(x + 6) + 3 = 2(x + 3) + 2

x +9 = 2x + 8

-x + 9 = 8

-x = -1

x = 1

This is her brothers age when she is 6 years older than him.

Now you will take the 1 and put it in the x +3 = brother's age in 3 years.

The brother will be 4 in 3 years.

The girl will be 7 when her brother is born.

Then you will take the 1 and put it into (x + 6) +3 = 10.

The girl will be 10 in 3 years.

1 = brother's age now.

4 = brothers age in 3 years.

7 = girls age now.

10 = girls age in 3 years.

Please Help Me How to do this..

Answers

It is

They each have a right angle and they share an angle (the one in the right corner)

This means that they share 2 angles and therefore share all angles

edit: pt2

$(x)/(10+4) =(3)/(4)$

$(x)/(14)(times2) = (3)/(4)(times7)$

$(2x)/(28) = (21)/(28)$

2x = 21
x=10.5

$(y)/(14)(times2)= (5)/(4)(times7)$

$(2y)/(28) = (35)/(28)$

2y=35
y=17.5

PLZ HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! If f(x) = 3x2 - 2x + 5, find f(-2).

Answers

Hello from MrBillDoesMath!

Answer:

Discussion:

f(x) = 3x2 - 2x + 5

Substitute x = -2 in f(x) above to get

f(-2) =

3 (-2)^2 - 2(-2) + 5 = => (-2)^2 = (-2) * (-2) = +4, -2(-2) + + 4

3*4 + 4 + 5 =

12 + 4 + 5 =

Thank you,

MrB

The answer is 21. hope this helps!

the area of a rectangular sandbox is 56 2/3 square feet.The length of the sandbox is 8 1/2 feet. What is the width?

Answers

Answer:

6 and 2/3

Step-by-step explanation:

56 and 2/3 divided by 8 1/2

Rewrite the mixed numbers as a fractions greater than 1.

56 and 2/3 divided by 8 and 1/2 = 170/3 divided by 17/2.

Rewrite the problem as a multiplication using the reciprocal of the divisor.

170/3 divided by 17/2 = 170/3 x 2/17

= 170 x 2

3x17

cross out 170 to 10. Then cross out 17 to 1.

= 20/3, or 6 an 2/3

Divide 56 2/3 by 8 1/2 and that will give you your answer. Check to make sure it right by multiplying the answer you get with 8 1/2 and it should be 56 2/3.

Uma wants to buy a video game system for $400. She has $50 and is saving $25 each week. Solve the equation 25w + 50 = 400 to find how many weeks w it will take Uma to save enough to buy the system.

Answers

Move all terms that don't contain ww to the right side and solve.
w=14

Hope this helps,

kwrob

First take away fifty from both sides
25w = 350
Divide 25 from both sides
Answer is: w = 14

So, it will take Uma 14 weeks to save enough money to but the video game system.

Hope that helps!!!

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