Adrian's CD player can hold six disks at a time and shuffles all of the albums and their songs. If he has thirteen CD's, how man

Question

beks73 [17]

3 years ago

13

Adrian's CD player can hold six disks at a time and shuffles all of the albums and their songs. If he has thirteen CD's, how man

y different combinations of six CD's can he put in the player?

Mathematics

1 answer:

Crank · Answer 1 · 2022-03-19T16:33:10+03:00

Adrian can put a total of 1716 combinations in the player.

The formula to be used is as follows:

total combinations = n!/[r! *(n-r)!]
n = number of disks available = 13
r = number of disks that be held = 6

= 13! = (13• 12•11•10•9•8•7•6•5•4•3•2•1)/(6! <span>• 7!)
</span>=1716

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