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77julia77 [94]
3 years ago
11

Hay 12 nadadores en una carrera de estilo libre, con premios para los primeros, segundos y terceros lugares. ¿De cuántas maneras

se pueden otorgar los premios?
Mathematics
1 answer:
guajiro [1.7K]3 years ago
4 0

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:

P_{(n,x)} = \frac{n!}{(n-x)!}

In this question:

3 prizes for 12 swimmers. So

P_{(12,3)} = \frac{12!}{(12-3)!} = 1320

The prizes can be given in 1320 ways.

Los premios se pueden otorgar en 1320 maneras.

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