Find the value of y. Round your answer to the nearest tenth.

Mathematics
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Find the value of y. Round your answer to the nearest tenth.
cos 64° = y/8

a.  8.0

b.  7.2

c.  3.5

d.  16.4

May 5th, 2015

cos 64 = 0.4384

y = (8)(0.4384) = 3.5  choice c

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May 5th, 2015

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