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mote1985 [20]
3 years ago
10

A disc jockey wants to select 4 songs from a new cd that contains 12 songs. How many ways can the disc jockey choose four songs?

Mathematics
2 answers:
WARRIOR [948]3 years ago
7 0

I suppose a DJ wants to select 4 different songs, then there are: 12*11*10*9 = 11880 ways to choose them.

If the order of the songs he plays doesn't matter, there are: \frac{12 * 11 * 10 *9 }{4!} = 495 ways to choose them.

Burka [1]3 years ago
6 0

Answer:

The answer is NOT 495 WAYS (for when choosing 5) !!!! The CORRECT answer is 792!!!!!

>>>495 may be the answer "when choosing (four)"

UPDATE: This is the answer for when "choosing FIVE" not FOUR.

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