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A triangle has side lengths of (7x - 4) centimeters, (x + 3) centimeters, and

-
(3y + 2) centimeters. Which expression represents the perimeter, in centimeters, of
the triangle?

A triangle has side lengths of (7x - 4) centimeters, (x + 3) centimeters, and - (3y-example-1

1 Answer

7 votes

Answer:

Explanation:

Formula

P = s1 + s2 + s3

Givens

s1 = 7x - 4

s2 = x + 3

s3 = 3y + 2

Solution

P = 7x - 4 + x+3 + 3y + 2

P = 8x + 3y + 3 + 2 - 4

Answer

P = 8x + 3y + 1

Note: I can't read the choices well enough to tell which answer it is. To me, it looks like A

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