A gold mine has two elevators, one for equipment and another for the miners. The equipment elevator descends 7 feet per second.
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Using the combination formula, it is found that she can shoot the ducks in 120 ways.
<h3>What is the combination formula?</h3> is the number of different combinations of x objects from a set of n elements, given by:
In this problem, 3 ducks will be shoot from a set of 10, hence:
Thus, she can shoot the ducks in 120 ways.
More can be learned about the combination formula at brainly.com/question/25821700