Thursday

July 24, 2014

July 24, 2014

Posted by **Laura** on Wednesday, September 15, 2010 at 10:33pm.

How many subsets of S have at most 4 elements?

- math -
**Reiny**, Wednesday, September 15, 2010 at 10:37pmnull set --- 1

one element --- C(14,1) = 14

two elements --- C(14,2) = 91

three elements --- C(14,3) = 364

four elements --- C(14,4) = 1001

add them up.

- math -
**bhow**, Monday, September 20, 2010 at 11:13pm^no, I just tried it and it isn't right. any other suggestions?

- math -
**bhow**, Monday, September 20, 2010 at 11:21pmGot it:

C(14,0)+C(14,1)+C(14,3)+C(14,4)=answer

I hate webwork.......

**Related Questions**

Finite MAth - Assume that the set S has 7 elements. How many subsets of S have ...

Math - Assume that the set S has 10 elements. How many subsets of S have at most...

Combinations - Assume that the set S has 10 elements. How many subsets of S have...

math - Let Pn be the set of all subsets of the set [n]={1,2,…,n}. If two ...

Math(combinations) Help - Let Pn be the set of all subsets of the set [n]={1,2...

math - For the set X={m,n.p,q,r,s}, let R be the relation on P(X) (power set) ...

math - for a set of three elements find the number of different subsets of 2 ...

Math - I'm new to this but.. how many subsets does a five element have. How many...

math - Given a set with n elements has 2^n subsets.Find the number of subsets ...

Math - How many subsets of a set with 100 elements have more than one element? ...