SOLUTION: write an algebraic expression that represents how many segments can be drawn between n points

Question 495084: write an algebraic expression that represents how many segments can be drawn between n points
Found 2 solutions by stanbon, scott8148:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
write an algebraic expression that represents how many segments can be drawn between n points
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Answer: nC2 = (n*(n-1))/2
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Cheers,
stan H.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
each point forms a segment with every point except itself

n points connect to n-1 points

point A connecting to point B is the SAME segment as point B connecting to point A

number of segments = [n (n - 1)] / 2
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