Solve the problem.If the legs of a right triangle have lengths 9 and 4, what is the length of the hypotenuse, that is, the longest side? Round your answer to the nearest tenth.

A. 8.1
B. 3.6
C. 9.8
D. 97.0


Answer: C

Mathematics

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A. -49 B. +49

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Find an equivalent expression without parentheses.-(-8x)

A. 8 B. 8x C. -8x D. 8 - x

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Complete the identity.8 sin x cos3 x + 8 sin3 x cos x = ?

A. 4 sin 2x B. 4 cos 2x C. 4 cos x D. 4 sin x

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Find the prime factorization of the number using a factor tree.175

A. 25 ? 7 B. 52 ? 7 C. 72 D. 25 ? 5

Mathematics