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Anastaziya [24]
3 years ago
15

PLEASE HELP

Mathematics
2 answers:
nekit [7.7K]3 years ago
6 0
The answer is -49. I just took an exam on flvs and I got it right
In-s [12.5K]3 years ago
6 0
The answer would be A.-49. good luck : )
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Find the value of x.
Cerrena [4.2K]
x^2 + (x + 3)^2 = (\sqrt{117})^2

x^2 + x^2 + 6x + 9 = 117

2x^2 + 6x -108 = 0

x^2 + 3x - 54 = 0

(x + 9)(x - 6) = 0

x + 9 = 0 ~~or~~ x - 6 = 0

x = -9 ~~ or~~ x = 6

Since the side of a triangle cannot have a negative length, we discard the solution x = -9.

Answer: x = 6
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:\implies \sf 3x⁰+45⁰+90⁰ = 180⁰

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hence, last option is right

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