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sleet_krkn [62]
3 years ago
8

Use the image to determine the height of the girl.

Mathematics
1 answer:
sergey [27]3 years ago
8 0

Answer:

  72 in

Step-by-step explanation:

We know that 120 in is equal to the sum of the given height expressions.

  (9x) +(7x-8) = 120

  16x = 128 . . . . . . add 8 and simplify

  x = 8 . . . . . . . . . . divide by 16

  9x = girl's height = 9·8 = 72 . . . . inches

The height of the girl is 72 inches.

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Use distributive law evaluate
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Answer:

The distributive property allows you multiply a sum in parenthesis by multiplying each addend separately, then add the products.

Step-by-step explanation:

How to use the distributive law example.

2(x+4) = 16

To use the distributive law in this example multiply 3 by all terms in the parenthesis. Multiply 2 and x, then 2 and 4 to open the parenthesis.

2x+8=16

That is how you use the distributive law.

To continue solving, subtract 8 from both sides.

2x+8-8=16-8

2x=8

Divide 2 from both sides.

2x/2=8/2

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Hope this helps!

If not, I am sorry.

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2 years ago
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3 years ago
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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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3 0
3 years ago
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Answer:

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Step-by-step explanation:

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