brinkleygirls brinkleygirls
  • 02-10-2021
  • Mathematics
contestada

C ( 16, 2) combination

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-10-2021

9514 1404 393

Answer:

  120

Step-by-step explanation:

The function C(n, k) can be written in terms of factorials:

  C(n, k) = n!/(k!(n -k)!)

Then ...

  C(16, 2) = 16!//(2!(16 -2)!) = (16·15)/(2·1)

  C(16, 2) = 120

Answer Link

Otras preguntas

If a machine takes 1 minute to fill 6 cartons of eggs, about how long will it take to fill 418 cartons?
what is the value of the expression? 4^3 • 4 ^−5 A. 4^−15 B. 4^−2 C. 4^2 D. 4^8 i thought it was d. but im not sure what to do to solve -_- PLEASE HELP!!
list five numbers that hav 3,5,and 7 as prime factors
whats the complete subject for the below 1.Do spider have six legs or eight legs? 2. listen to the directions. 3.the man in the tall hat is a magician. 4.is t
Is 3/4 less than 3/8
0.52 in the simplest form .
Dorothy types 120 words per minute. How many words does Dorothy type in 1.75 minutes?
how to estamite 787÷2
A track is 200 meters long. How many times must Julius run around the track to run 3 kilometers ?
what is log8 1/64=-2