ihosford05 ihosford05
  • 06-05-2019
  • Mathematics
contestada

A tutor gives John 5 assignments and asks him to complete 5. How many possible combinations? Pls answer ASAP

Respuesta :

luisejr77
luisejr77 luisejr77
  • 07-05-2019

Answer:

There is 1 possible combination

Step-by-step explanation:

There are 5 assignments and they must be completed. 5. We want to find the number of combinations, then we use the formula of combinations.

[tex]nCr =\frac{n!}{r!(n-r)!}[/tex]

Where n is the total number of objects and you choose r from them

Then

[tex]n= 5\\\\r = 5[/tex]

[tex]5C5 =\frac{5!}{5!(5-5)!}[/tex]

[tex]5C5 =\frac{5!}{5!(0)!}[/tex]

[tex]5C5 =\frac{5!}{5!}[/tex]

[tex]5C5 =1[/tex]

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