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Arada [10]
3 years ago
13

Use the commutative law of addition to write an equivalent expression 9(x+5)

Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0
Commutaitve has to do with moving around the order

it is a+b=b+a

so x+5=5+x, therefor

9(x+5)=9(5+x)
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A new Community Center is being built in Oak Valley. The perimeter of the rectangular playing field is 382 yards. The length of
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The width is 50 yards and the length is 141 yards.

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Because the perimeter of a rectangle is the sum of two times the length with two times the width.

Then, from the sentence, the length of the field is 9 yards less than triple the width, we can formulate the following equation:

L = 3W - 9

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