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asambeis [7]
2 years ago
11

Appreciate the help with answering this question . Thank you !

Mathematics
1 answer:
skad [1K]2 years ago
6 0

Step-by-step explanation:

c^2 = a^2 + b^2

A

\sqrt{40 ^{2}  + 30 {}^{2} }  = 50

B

\sqrt{60 {}^{2}  - 40 {}^{2} }  = 44.7

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Look at the last two: clearly if x is greater than 2.8 (from the second one), then it will definitely be greater than -2.8 (from the third), so we can just disregard the last inequality.

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