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Andreyy89
3 years ago
14

Water stations will be place every 600 meters of a 15 kilometer race. How many water stations will be needed

Mathematics
1 answer:
notka56 [123]3 years ago
7 0
Given there are 1 thousand meters in a kilometer, then there will be a water station every .6 kilometers
Dive 15 by .6
There will be 25 water stations
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In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

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Compute the number of ways to select 37 people from 101 as follows:

{101\choose 37}=\frac{101!}{37!\cdot (101-37)!}

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Thus, the number of ways to select 37 people from 101 is, 5,397,234,129,638,871,133,346,507,775.

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