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Ivan
2 years ago
5

2.7, #41 please. Thanks in advanced.

Mathematics
1 answer:
djverab [1.8K]2 years ago
5 0

sara speed is half of Jeanette's so if jeanette ran 7 miles then her walking speed is 3.5MPH and sense she is 7 miles ahed sara is 10.5 miles behind... 3.5MPH which is jeanette speed is double than sara so 3.5/2 is 1.75MPH... Saras walking speed is 1.75MPH

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Serjik [45]
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3 years ago
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Answer:

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Step-by-step explanation:

Given:

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Now, to find the number of waves that hit the beach in 49 s.

Let the number of waves be n.

The frequency of waves (f) = 0.367347 Hz.

The time it takes to hit the beach (t) = 49 s.

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