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

Why do people who run down ponies often get sore throats? It's on my math worksheet.
Write in vertex form: y = x2 - 8x + 19
why did british colonies in the south have the greatest number of slaves
The length of a rectangle is 5 inches less than three times its width. The perimeter is 86 inches. Find the length and width. Write an equation and solve. Plea
what fraction of two pounds is fifty pence?
Germany took over what country after the Munich Conference from 1936-1941
A circle cuts the x-axis at (4,0) and (14,0), and cuts the y-axis at (0,6) and (0,8). Find it's equation
Binary fission is the most common form of reproduction in _____.
Regions of biomes that are an inconsistent mixture of fresh and salt water include ______. Select one: a. ponds b. lakes c. streams d. estuaries
what is 0.04 10 times as much as what