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

Is solid phosphorus a conductor or an insulator
. This is an example of common knowledge: The Civil War began in 1861 and ended in 1865. a. True b. False
Three vertices of a rectangle are given. Find the coordinates of the fourth vertex. (2, 5), (6, 1), (4, –1) A. (0, 2) B. (0, 3) C. (1, 3) D. (1, 4)
Hypertension occurs when blood pressure is too high. a. True b. False
Three vertices of a rectangle are given. Find the coordinates of the fourth vertex. (2, 5), (6, 1), (4, –1) A. (0, 2) B. (0, 3) C. (1, 3) D. (1, 4)
What is the LCD of 1/2 and 2/17? A.1 B.17 C.19 D.34
Solve 2a + 21 = 8a - 9, step by step
Mr. White can travel 6 hours while taking 3 breaks of 10 minutes each. Once, he travels for 36 hours. How many minutes in breaks did he take?
why did the soviets not allow people to leave occupied East Germany
Joints all move in the same way. Please select the best answer from the choices provided. T F