1616909 1616909
  • 10-07-2021
  • Mathematics
contestada

A club has 15 members and needs to choose 2 members to be co-presidents. In how many ways can the club choose its co-presidents?

Respuesta :

loconte loconte
  • 10-07-2021

Answer:

15 choose 2 = 105

[tex]=\frac{15!}{2!\left(15-2\right)!}[/tex]

Step-by-step explanation:

Answer Link

Otras preguntas

The length of one side of a rectangle is 12 units longer than the length of another side. The rectangle's area is 220 square units. What is the length, in units
The area of a square is 108 ft^2, what is the length of one side? ​
HI!!! i'm from Brazil!!! How are you? ✌✌
help me (a) The total cost of rent is determined by recording x months of rent at $1400 per month, plus a $150 application fee.
Please just give me a good explanation on how to reflect the x-axis and y-axis so I can learn it on my own as well as answering the question in the picture.
Someone please help me! Studying for finals and don’t understand how to complete problems like this! Thank you!
The inverse of F(x) is a function.
An earned education certificate track after an individual has successfully completed the necessary course requirements for a particular field at a community col
Simplify radical 16v16
can someone help me out & labeling the membrane please?