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2 years ago

How can you model data with a linear function

Mathematics

1 answer:

kiruha [24]2 years ago

3 0

I think u have to divide and u get ur answer hope it helps

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What’s are the answers for both?

nevsk [136]

Answer:

Step-by-step explanation:

8d + 4 = 5d + 28

Group like terms

That's

8d - 5d = 28 - 4

3d = 24

Divide both sides by 3

d = 8

$\frac{7(7g + 8)}{4} = 38.5$

Cross multiply

we have

7(7g + 8) = 38.5(4)

49g + 56 = 154

49g = 154 - 56

49g = 98

Divide both sides by 49

g = 2

Hope this helps you

5 0

3 years ago

a boat travels 252 miles in 13 hours (with a constant speed) How much time will it take traveling 279 miles?

Ilya [14]

Answer: 14.4 h

The speed is : $v=\frac{d}{t} =\frac{252}{13} =19.46$ $miles/h\\$

The time it takes to travel 279 miles :

$t'=\frac{d}{v} =\frac{279}{19.46} =14.4 hours$

4 0

2 years ago

Multiply the decimal numbers 37.4 x 2.2 =

Advocard [28]

Basically you multiply like normal and then add in the decimal point (to figure out where it goes count how many numbers are behind the decimal (in this case 2) and then count that many places from the right into your answer and that's where it goes). So here 374 x22 =8228 but when you add in the decimal you get 82.28 :)

7 0

2 years ago

Read 2 more answers

In the equation, 7 (3a+12)=168 , what are some of the steps that should be taken to solve for x? Select all that apply.

Svetradugi [14.3K]

7(3a + 12) = 168 ← ( divide both sides by 7 )

3a + 12 = 24 ← ( subtract 12 from both sides )

3a = 12 ← ( divide both sides by 3 )

a = 4

distribute the parenthesis by 7

21a + 84 = 168 ← ( subtract 84 from both sides )

21a = 84 ← ( divide both sides by 21 )