An arch in the firm of a semicircle was over a 40 inch wide doorway. Find the length of the arch.
1 answer:
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Your question: Which equation has solution x = -3?
I'd like you to know: I couldn't find any answer that exactly answered X=-3, although there is an answer similar to. But if it was accidental, this would be the most <em>correct </em>answer.
Answer: A) 2x - 7 = -1
|Step-by-step explanation|
- 2x - 7 = -1 = x=3
- 3x + 8 = 1 = x=-7/3
- x + 8 = 10 = x=2
- 11 (2x-6) = -6 = x=30/11
