hi1010101 hi1010101

26-04-2017
Mathematics

contestada

How many combinations of 3 students can a teacher choose from 32 students?

A.
96

B.
4960

C.
29,760

D.
32,768

Respuesta :

JonHenderson55 JonHenderson55

26-04-2017

The answer is: [B]: "4960" .
_____________________________________________
Explanation:
_____________________________________________
32C3 = [(32!)] / [ 3! *(32-3)! ] ;

= [(32!)] / [ 3! *(29!) ]

= (32*31*30) / (1*2*3) = 29760 / 6 = 4960 .
_________________________________________________

Answer Link

Otras preguntas

how did genghis Khan succeed as a conqueror ?

What environmental change occurred that resulted in the death of many of the galápagos finches on the island daphne major?

Andrew jackso didnt follow constitution what else made hima bad leader

If n=50 find the value of 6n

Helpppppp please I am being timed fast please will be happy

A karate expert breaks a stack of bricks with his bare hand. If the force applied is 520 newtons and the impact time is 5.0 × 10-4 seconds, what is the value of

Consider the function f(x)=−23x+2f(x)=−23x+2 . What is f(12)f(12) ? Enter your answer, as a simplified fraction, in the box

When a child has a schema for dogs that includes all animals with four legs and changes it because he/she learns that cats also have four legs she is using?

If the probability of an event happening is 86/93, what are the odds against it happening?

If Tyler does not eat a diet that includes essential amino acid's hair cells will not be able to build