Roy can bring 4 out of 10 to a movie. How many combinations of friendscanhe have

User Generated

ornfgpboen

Mathematics

Question Description

Please help;)

Student has agreed that all tutoring, explanations, and answers provided by the tutor will be used to help in the learning process and in accordance with Studypool's honor code & terms of service.

Explanation & Answer

Thank you for the opportunity to help you with your question!

Answer:
C(n,r) =
C(10,4) =
10! / (4! (10 - 4)!) = 210

Please let me know if you need any clarification. I'm always happy to answer your questions.

Xvzf (3464)
Cornell University

Anonymous
Really helpful material, saved me a great deal of time.

Studypool
4.7
Trustpilot
4.5
Sitejabber
4.4