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

Write the fraction 14/16 in simplest form. If the fraction is in simplest form

A student must take one physics, one chemistry, and one mathematics course during their junior year of high school. There are three courses to choose from for p

Imagine that someone offers you $100 today or $200 in 10 years. you would prefer to take the $100 today if the interest rate is

3x+y-1=0 What does y=

What are the events that insure genetic variability of the gametes?

HELP ASSSAP WITH THIS QUESTION

The father asks questions about the infant's condition but does not look at his newborn

Egyptians always built their pyramids on the _______ side of the nile.

What particles in an atom can increase or decrease without changing the identity of the element?

Halfway through the journey we are living Dante connects to the epic tradition here by