# SOLUTION: if 4Cr represents the number of combinations of n items taken r at a time, what is the value of sigma[1,3,[4Cr]? answers are: (1)24, (2)6, (3)14, (4)4. where r=1 thank you in a

Algebra ->  Algebra  -> Sequences-and-series -> SOLUTION: if 4Cr represents the number of combinations of n items taken r at a time, what is the value of sigma[1,3,[4Cr]? answers are: (1)24, (2)6, (3)14, (4)4. where r=1 thank you in a      Log On

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 Question 374598: if 4Cr represents the number of combinations of n items taken r at a time, what is the value of sigma[1,3,[4Cr]? answers are: (1)24, (2)6, (3)14, (4)4. where r=1 thank you in advance for your help.Answer by jim_thompson5910(28593)   (Show Source): You can put this solution on YOUR website! Note: Check out this solver for more help with combinations. So , which means that the answer is choice (3)