A farmer wants to build a fence around a rectangular area of his farm with one side of the region against his barn. He has 76 fe
1 answer:
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There are 7,315 different combinations, thus, the correct option is c
<h3>How many combinations are there?</h3>
If we have a set of N elements, the number of different combinations of K elements (such that K ≤ N) of these N elements that we can make is:
In this case we have K = 4 and N = 22, replacing that, we get:
So there are 7,315 different combinations, thus, the correct option is c.
If you want to learn more about combinations:
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