2.) Of a classroom filled with 20 students, 2 will be selected to stay after school and correct homework for extra credit. How many combinations are possible? A.) 190 B.) 210 C.) 63 D.) 40

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asked Dec 1, 2022 143k views

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2.) Of a classroom filled with 20 students, 2 will be selected to stay after school and correct

homework for extra credit. How many combinations are possible?
A.) 190
B.) 210
C.) 63
D.) 40

Mathematics
high-school

Kyo Kurosagi asked

by Kyo Kurosagi

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1 Answer

4 votes

Answer:

190

Explanation:

20C2 = (20*19)/(1*2) = 190

Tau answered Dec 6, 2022

by Tau

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