Tuesday

January 27, 2015

January 27, 2015

Posted by **kitkat** on Tuesday, November 16, 2010 at 5:40pm.

- combinations -
**MathMate**, Tuesday, November 16, 2010 at 10:55pmNumber of ways he can choose two shoes

=14C2

=14!/(2!12!)

=14*13/2

=91

Number of ways he can choose matching shoes

= 7

So how many ways can he choose non-matching shoes?

**Answer this Question**

**Related Questions**

math - Ryan reaches into his gym bag for a pair of running shoes. If there are ...

math - john bought a bag, pai oh shoes ad a watch for $160 altogethe. the bag ...

math - A bag got mix up 6 pairs of shoes – 2 red, 2 blue, and 2 purple. Picking ...

math - A bag got mix up 6 pairs of shoes – 2 red, 2 blue, and 2 purple. Picking ...

Math - Mary has 8 pairs of dress shoes. How many different ways can she arrange ...

Math - Mrs. Daniel pays $324 for a handbag and 3 pairs of shoes. The handbag ...

math help - Leo purchased 5 shirts, 3 pairs of plants, and 4 pairs of shoes. ...

math words problem - Rich’s weekly salary is based on the number of pairs of ...

math - While shopping, you purchase 4 pairs of jeans, 6 shirts, and 3 pairs of ...

alegebra - if i bought 4 pairs of shoes for $325.50 and later bought another ...