mjchey
mjchey mjchey
  • 02-05-2014
  • 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 :

xlmichael xlmichael
  • 02-05-2014
[tex]\frac{32*31*30}{3*2*1}[/tex]

The answer is:[tex]\frac{29760}{6}[/tex] or [tex]4960[/tex] 


Answer Link
marmal
marmal marmal
  • 02-05-2014
[tex]{32\choose3}=\frac{32!}{3!*(32-3)!}=\frac{30*31*32}{6}=4960[/tex]
Answer Link

Otras preguntas

What is two thirds minus six thirds
Rewrite the function c(x) =9(x+3) using the distributive property
two identical freight cars roll without friction towards each other on a level track. one car rolls 2 m/s the other 1 m/s. after the cars collide they couple an
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
If the speed of an object is tripled, its kinetic energy will be
How does transpiration play a  role in the water cycle ?
.is a pot holder a conductor or a insulator
How does transpiration play a  role in the water cycle ?
in what ways is climate controlled by the sun and the water cycle ?
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?