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2 years ago

40 POINTS!!!!!!!!!!! ALSO BRAINLIEST HELP PLEASE

Mathematics

1 answer:

AveGali [126]2 years ago

8 0

Answer:

part A: the higher the temp the more ice cream sold.

Part B: The line of the best fit, the slope and the y-intercept are illustrations of the linear regression.

How to determine the line of the best fit

To do this, we draw a line through the points on the scatter plot

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Simply sixteen squared divided by four cubed

FinnZ [79.3K]

You mean "Simplify 16²÷4³?"
16²=16*16, 16= 4*4
4³=4*4*4
so:
Simplify: 16² = 16*16 = 4*4*4*4 = 4 = 4
4³ = 4*4*4 = 4*4*4 1
OR
256 ÷ 64 = 4

6 0

3 years ago

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John's room is shaped like a box. It has a flat ceiling that is a rectangle that is 14 feet long and 8 feet wide and the walls a

erastova [34]

Okay so John needs to buy 7.6 quarts of paint so he would spend 26.55 on paint.

Hope this helps:)

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3 years ago

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Reil [10]

Answer:

150

Step-by-step explanation:

The sum of the angles of a quadrilateral are 360. Let x be the unknown angle

30+70+110+x = 360

Combine like terms

210 +x = 360

Subtract 210 from each side

210+x-210 = 360-210

x = 150

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2 years ago

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Hiroto paid $4.28 in sales tax for the items that he purchased.

Katena32 [7]

Answer:

$68.48

Step-by-step explanation:

You want to find cost such that ...

6.25% × cost = $4.28

Dividing by the coefficient of cost, we get ...

cost = $4.28/0.0625 = $68.48

8 0

3 years ago

Two teachers purchase supplies for their classrooms.

inna [77]

Answer:

Cost of One Journal = $3.99

Cost of One pen = $0.59

Step-by-step explanation:

Let

Cost of One Journal = x

Cost of One pen = y

We can make equation from given statements.

Mr. Bowden purchases 18 journals and 40 pencils for $95.42.

$18x+40y=95.42$

Ms. Jacinto purchases 11 journals and 16 pencils for $53.33.

$11x+16y=53.33$

Now solving these equations to find the value of x

$18x+40y=95.42--eq(1)\\11x+16y=53.33--eq(2)$

Multiply eq(1) with 2 and eq(2) with 5

$36x+80y=190.84\\55x+80y=266.65\\-\:\:\:\:-\:\:\:\;\:\:\:\:\:\:\:-\\---------\\-19x=-75.81\\x=\frac{-75.81}{-19}\\x=3.99\\$

We get the value of x is: x=3.99

Now, putting value of x in equation 1 to find value of y.

$18x+40y=95.42\\18(3.99)+40y=95.42\\71.82+40y=95.42\\40y=95.42-71.82\\40y=23.6\\y=\frac{23.6}{40}\\y= 0.59$

So, we get the value of y: y = 0.59

Now, finding the costs:

Cost of One Journal = x = $3.99

Cost of One pen = y = $0.59

7 0

3 years ago