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castortr0y [4]
3 years ago
15

What is the value of x? Round to the nearest tenth.

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
8 0

plug in what you know.
12² + b² = 30²

144 + b² = 900

subtract 144 from 900. You should get 756

√b² = √756

b = 27.5



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