luisicomve luisicomve
  • 01-05-2021
  • Mathematics
contestada

How many ways can three people be selected from a group of seven people if order
DOES matter?

Respuesta :

reeserl reeserl
  • 02-05-2021

Answer:

210 ways

Step-by-step explanation:

The is a permution problem.

Formula for permutations of r things taken from n things is

[tex]P(n,r) = \frac{n!}{(n - r)!}[/tex]

[tex]\frac{7!}{(7 - 3)!} = \frac{7!}{4!} = 7*6*5 = 210[/tex] ways

Answer Link

Otras preguntas

Which dimensions cannot create a triangle? three angles measuring 25°, 65°, and 90° three angles measuring 50°, 50°, and 50° three sides measuring 5 in.,
Identify the part of speech of the italicized word: Neither John nor his sister can drive to the party.
PLS HELP BEING TIMED Solve for x: 10.57x- 16.75x +17.66=70.84. X= Round answer to the nearest hundredth
WILL GIVE BRAINLIEST if you find area of figure
Express the integral as a limit of riemann sums. do not evaluate the limit. 5 (sqrt(6 + x^2)) dx 3
What does it mean when economists say that home buyers are "underwater" on their mortgages? multiple choice buyers are financially incapable of repaying their m
Help me please !! ( I will mark brainliest)
Which graph represents the function f(x)=−2x−1 ?
Can you please solve and explain how. I dont have any idea :(
The change in interest rate shown in the charts resulted in a lower interest rate. a higher principal. a higher monthly payment. a higher number of payments.