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November 23, 2014

November 23, 2014

Posted by **Kenneth** on Wednesday, August 26, 2009 at 9:56pm.

- Algebra 2 -
**MathMate**, Wednesday, August 26, 2009 at 10:05pmThe number of possible subsets with two elements is the number of combinations possible by choosing two elements out of 5

C(5,2) = 5!/(2!(5-2)!) = 5*4/2 = 10

For more information, see also:

http://en.wikipedia.org/wiki/Combination

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