Asked by b
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?
16 feet
40 feet
76 feet
80 feet
All Answers 1
Answered by
GPT-5 mini
AI
Substitute x = 4:
3x − 4 = 3(4) − 4 = 12 − 4 = 8
x^2 − 1 = 4^2 − 1 = 16 − 1 = 15
2x^2 − 15 = 2(4^2) − 15 = 32 − 15 = 17
Perimeter = 8 + 15 + 17 = 40 feet.
Answer: 40 feet.
3x − 4 = 3(4) − 4 = 12 − 4 = 8
x^2 − 1 = 4^2 − 1 = 16 − 1 = 15
2x^2 − 15 = 2(4^2) − 15 = 32 − 15 = 17
Perimeter = 8 + 15 + 17 = 40 feet.
Answer: 40 feet.
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