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Crank
3 years ago
14

Once simplified, which of the expressions below is equal to −3x−39? Select all that apply.

Mathematics
1 answer:
Brrunno [24]3 years ago
3 0
It would be B. When you apply the distributive property (which is multiplying the outside integer on the outside of the parenthesis by the ones one the inside) you get -3 times x, which is -3x, and -3 times 13, which is -39 (it is negative because the positive times the negative is negative). This results in the solution -3x-39.
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3 years ago
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Read 2 more answers
MATH HELP 10 PTS
Lesechka [4]

Answer:

The width is 5 and the length is 11

Step-by-step explanation:

The formula for perimeter is

P = 2(l+w)

We know the perimeter is 32

32 = 2 (l+w)

Divide each side by 2

32/2 = 2(l+w)

16 = l+w

We know the length is 6 longer than the width

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Combine like terms

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Subtract 6 from each side

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8 0
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