Wednesday

September 3, 2014

September 3, 2014

Posted by **Anonymous** on Monday, April 16, 2012 at 11:21pm.

- math -
**Reiny**, Tuesday, April 17, 2012 at 9:10amYou are choosing any pair from 10 choices

the number of such cases = C(10,2)

or 10!/(8!2!) = 45

**Answer this Question**

**Related Questions**

math - If 16 points are arranged in a circle, how many lines are needed to join ...

math - If 16 points are arranged in a circle, how many lines are needed to join ...

physics - A block of mass m = 4.30 kg is released from rest from point circle a ...

math - L is a straight line in x-y plane. its equation is in the form y-8=m(x-1...

Math - If you where to plot the following points for two dimensional X and Y ...

math - the number of noncollinear points needed to determine a circle Two. The ...

3 physics question please help quick - Two point charges of opposite sign are ...

geometry CA - Graph quadrilateral ABCD. Then determine the most precise name for...

math - suppose that we agree to pay you 8cents for every problem in this chapter...

mathematics - using a graph plot the following points: point 1 (1,0), point 2 (1...