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shtirl [24]
2 years ago
15

I am not sure how to answer this

Mathematics
1 answer:
Zina [86]2 years ago
8 0

Answer:

0.613 ...............................

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Step-by-step explanation:

Given: The racer moves at 13.1 miles per hour expends energy at a rate of 645 calories per hour.

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Solution: We have,

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