SOLUTION: C(22,4)= my answer is 7315 P(6,5)= my answer is 720 this one I'm not sure about. These two problems deal with Combination (subset) and Permutations Thanks for checking my ans

Algebra ->  Trigonometry-basics -> SOLUTION: C(22,4)= my answer is 7315 P(6,5)= my answer is 720 this one I'm not sure about. These two problems deal with Combination (subset) and Permutations Thanks for checking my ans      Log On


   

Question 45710This question is from textbook Finite math
: C(22,4)= my answer is 7315
P(6,5)= my answer is 720 this one I'm not sure about. These two problems deal with Combination (subset) and Permutations Thanks for checking my answers. This question is from textbook Finite math

Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
22C4=22!/(4!*18!)=22*21*20*19/(4*3*2*1*)=7315..OK
my answer is 7315
P(6,5)=6!/(6-5)!=6!=720
my answer is 720 this one I'm not sure about. These two problems deal with Combination (subset) and Permutations Thanks for checking my answers.