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Mathematics 23 Online
OpenStudy (anonymous):

The gym has eleven different types of machines in the weight room. Geoff has time to use only three of them this afternoon. How many different combinations of machines can Geoff choose from to use? A.165 B. 30800 C.1108800 D.6652800

OpenStudy (solomonzelman):

That's a very very bad gym. Even my sport center (30 second walking from my house) has more. Although I have to admit, it does suck ;)

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