1. The value of y varies directly with x. If y = 30 when x =1/5
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Step-by-step explanation:
Answer:
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Step-by-step explanation:
Using the cosine ratio in the right triangle.
cos66° = =
( multiply both sides by x )
x × cos66° = 13 ( divide both sides by cos66° )
x = ≈ 32.0 ( to the nearest tenth )