How many games must be played in order for each team to play every other team exactly once? a. 90          b. 45                 c. 20                 d. none of these

Algebra & Trigonometry with Analytic Geometry
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ISBN:9781133382119
Author:Swokowski
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Chapter10: Sequences, Series, And Probability
Section10.7: Distinguishable Permutations And Combinations
Problem 19E
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TOPIC: Combination / Permutation

 

There are ten basketball teams during the 2021 PBA Governors Cup. How many games

must be played in order for each team to play every other team exactly once?

a. 90          b. 45                 c. 20                 d. none of these

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