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Solve for x. Round your answer to the nearest tenth.
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Solve for x. Round your answer to the nearest tenth.

Solve for x. Round your answer to the nearest tenth.-example-1
User Trek Glowacki
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1 Answer

6 votes

To answer this, we're going to have to use cosine (adjacent:hypotenuse)

cos42 = x/15

You'll need a list or a calculator to find cos42:

-0.39998531498 = x/15

We should round to the nearest ten thousandth:

-0.4 = x/15

x = -6

User Ericvg
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5.9k points
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