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stodd9503
23.07.2019 •
Mathematics
Permutation and combination 4 songs will be played during assembly but 8 songs were submitted. how many ways can the dj choose 4 songs to play? if you can, show your work and why you did what. you
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Ответ:
The number of ways the DJ can play 4 songs from 8 songs in the assembly is 70.
What are permutation and combination?A permutation is an act of arranging the objects or elements in order. Combinations are the way of selecting objects or elements from a group of objects or collections, in such a way the order of the objects does not matter.
4 songs will be played during assembly but 8 songs were submitted.
The DJ choose 4 songs to play.
n = 8
r = 4
The number of ways the DJ can choose 4 songs from 8 will be
The number of ways the DJ can choose 4 songs from 8 songs is 70.
More about the permutation and the combination link is given below.
link
Ответ:
I assume, the order matters here.
So, the answer is
ways.
Ответ:
10
Step-by-step explanation: