dbird1975 dbird1975

Today at 12:17 PM
Mathematics

Answered

You have to answer 2 essay questions for an exam. There are 7 essays to choose from. How many different groups of 2 essays could you possibly choose?

Answer :

arindamvutla arindamvutla

Today at 12:22 PM

Answer:

21

Step-by-step explanation:

As there are 7 essays to choose from and we need to choose 2 essays.

So , groups of 2 essays to choose from = [tex]7_{C_{2} }[/tex]

= [tex]\frac{(7)(6)}{2}[/tex]

= 21

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