Math
posted by Shine .
If each of the five members in a basketball team shakes hands with every other members of the team before the game starts,how many handshakes will there be in all?

Math 
Shine
What is the range of the following:86,70,83,90,85,78,79,81,87?

Math 
You Dont Need To Know My Duuuude
The range is when you add up all of the points and then divide by how many points you had. (86+70+83+90+85+78+79+81+87)/9= 82

@ Duuude 
Reiny
Please don't answer questions if you don't know what you area talking about
the range
= the largest  the smallest
= 90  70
= 20 
Math 
Reiny
Do not use your own "reply" to ask a new question.
number of handshakes = C(5,2)
= 10
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