Zc and Zx are supplementary angles. Zy measures 49º. What is the measure of Zx?
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Answer:
The prizes can be given in 1320 ways.
Los premios se pueden otorgar en 1320 maneras.
Step-by-step explanation:
The order in which the swimmers are ranked is important. That is, A, B and C is a different finish than C, B and A. So we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
In this question:
3 prizes for 12 swimmers. So
The prizes can be given in 1320 ways.
Los premios se pueden otorgar en 1320 maneras.