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

Mathematics
Tutor: None Selected Time limit: 1 Day

Please help;)

Jun 14th, 2015

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.
Jun 14th, 2015

​Spinning a wheel with eight equal sections with numbers:  2,3,5,9,2,2,9,1?

Odds against spinning an odd number?

Please help, thanks again!

Kims, you are great


Jun 14th, 2015

Thank you

but let me try to reason out first

Jun 14th, 2015

what is the question

Jun 14th, 2015

This one has turned out to be quite tricky for me

Jun 14th, 2015

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Jun 14th, 2015
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Jun 14th, 2015
Dec 9th, 2016
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