Homework Help: Maths

Posted by Jessika. on Sunday, March 1, 2009 at 11:36pm.

5 people went to a meeting. To start off each person was asked to go around and introduce themselves to everyone there. How many introductions were made? Start with 2 then 3 people etc. looking for a pattern

Maths - Reiny, Monday, March 2, 2009 at 12:46am
this is a combination question.

You are choosing pairs from 5 people, which is C(5,2) or 10

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