document.write( "Question 476971: Consider all the subsets of {r, s, t, u, v, x}. How many of them have 3 elements? \n" ); document.write( "
Algebra.Com's Answer #327006 by robertb(5830)\"\" \"About 
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There are \"2%5E6+=+64\" different subsets. Of these, 6C3 = 20 of them have 3 elements. \n" ); document.write( "
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