document.write( "Question 778089: I dont get my homework question this is really confusing ... the question is : Suppose U = ( x|x is a multiple of 3, x≤ 18 ) is the universal set and c = (21,24,27,30) what is c'?
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Algebra.Com's Answer #474424 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "C' consists of every element of U that is not in C. Re-write U enumerating all of the elements. Cross out any element of U that is listed in C. What is left is C'. In this case, since the largest element of U is 18 and the smallest element of C is 21, C' and U are identical.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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