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Ira Lisetskai [31]
3 years ago
13

In how many ways can 3 singers be selected from 5 who came to an audition?. A. 1. B. 10. C. 5. D. 60

Mathematics
2 answers:
pychu [463]3 years ago
4 0

Answer:

Answer:

(5 3 ) = 10

Explanation:

This is a combination problem - we don't care about the order in which the singers are selected:

C n , k = ( n k ) = n !

( k ! ) ( n − k ) !  with  n = population ,

k = picks

( 5 3 ) = 10

Step-by-step explanation:

amid [387]3 years ago
4 0

Answer: B. 10

Step-by-step explanation:

Given: The total number of singers who came to an audition= 5

The number of singers need to be selected = 3

The number of ways to select 3 singers from 5 singers is given by using combinations as :-

^5C_3=\frac{5!}{3!(5-3)!}=\frac{5\times4\times3!}{3!2!}=10

Hence, the number of ways to select 3 singers from 5 singers who came to an audition is 10.

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Step-by-step explanation:

Given a compound inequality −44 > −2x − 8 ≥ −8

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