Register
in how many ways can the first and second place in a battle of the bands be arranged if 8 bands practice?
108k views
1 vote
in how many ways can the first and second place in a battle of the bands be arranged if 8 bands practice?

User Kuzyn
by
4.6k points

2 Answers

6 votes
The correct answer would be 28
User Ben Sidhom
by
4.0k points
5 votes

Answer:

= 28

Solution:

C(n,r)=?

C(n,r)=C(8,2)

=8!(2!(8−2)!)

= 28

User Frinux
by
4.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers

Other Questions

What is the domain and range?
What does translation means in math? I am taking a quiz on this right now, I need an answer ASAP!!!!!!
Reduce this algebraic fraction. 36x^5y^8z^10/15x^5y^7z^2
The tallest building reaches 142 feet above sea level. The lowest part of the lake is 355 feet below sea level. How far apart are they?
Gary has guitar lessons every 5 days and band practice every 4 days his first band practice is in 4 days and his first guitar lessons and band practice on the same day explain how you know
Link Copied!