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18 October, 22:36

Kat is painting the edge of a triangular stage prop with reflective orange paint. The lengths of the edges of the triangle are (3x - 4) feet, (x2 - 1) feet, and (2x2 - 15) feet. What is the perimeter of the triangle if x = 4?

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  1. 18 October, 23:01
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    40 feet

    Step-by-step explanation:

    Since x=4

    3x-4=3 (4) - 4=12-4=8 feet

    x^2-1=4^2-1=16-1=15 feet

    2x^2-15=2 (4) ^2-15=2 (16) - 15=32-15=17 feet

    Perimeter=8+15+17=40 feet
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