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m_a_m_a [10]
3 years ago
15

A shark swims 140 meters in 15.5 seconds what is the sharks average swimming rate in meters per second

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0
140/15.5 = unit rate
140/15.5 = around 9.03
Average swimming rate: 9.03 meters per second
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Lesechka [4]
<h3>Answer:  E) x^5</h3>

\sqrt{x^{10}} = x^5

=====================================================

Explanation:

We simply take half of the exponent 10 to get 5. This applies to square roots only.

So the rule is \sqrt{a^b} = a^{b/2}

A more general rule is

\sqrt[n]{a^b} = a^{b/n}

If n = 2, then we're dealing with square roots like with this problem. In this case, a = x and b = 10.

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