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Mathematics, 02.11.2020 22:50 alvis4485

A triangle has sides 3x + 7, 4x -9, and 5x + 6. Find the polynomial that represents its perimeter. A. 8x + 4 B. 12x + 13 C. 8x –5 D. 12x + 42 help me

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A triangle has sides 3x + 7, 4x -9, and 5x + 6. Find the polynomial that represents its perimeter. A...

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