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Mathematics

1 answer:

irinina [24]2 years ago

5 0

Answer:

A. 3x+3

Step-by-step explanation:

The perimeter is found by adding all the side lengths:

(x)+(x-3)+(x+6)

=1x+1x+1x-3+6

=3x+3

(Remember, add x-terms to x-terms, and numbers to numbers)

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Ghella [55]

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Marysya12 [62]

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3 years ago

Simplifying exponents (picture provided)

Hitman42 [59]

Answer:

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Step-by-step explanation:

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