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Ksju [112]
2 years ago
8

cos60=5/zy ??? how do I get rid of the 5? Normally I would multiply by the denominator but that doesn't work here. The end answe

r should be zy=10
Mathematics
1 answer:
saw5 [17]2 years ago
8 0

cos 60 = 1/2

1/2 = 5/zy

1= 10/zy

zy=10

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Answer:

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Step-by-step explanation:

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If Speed was 60 miles/hour the time taken is (t-\frac{1}{4}) hours.

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s=\frac{d}{t} \\60=\frac{d}{(t-\frac{1}{4}) }\\d=60t-15...(ii)

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