Thursday
March 23, 2017

Post a New Question

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

How many subsets of set T have 2 elemnts if set T has 5 elements?

  • Algebra 2 - , Wednesday, August 26, 2009 at 10:05pm

    The 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

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Post a New Question