document.write( "Question 1054959: Let U={1, 2, 3, 4, 5, 6, 7, a, b, c, d, e}. If A={1, 3, b, c} and B={2, 4, 5, 7, b, c, e}, find n(Ac).\r
\n" ); document.write( "\n" ); document.write( "7
\n" ); document.write( "2
\n" ); document.write( "8
\n" ); document.write( "3
\n" ); document.write( "19
\n" ); document.write( "11\r
\n" ); document.write( "\n" ); document.write( "Please help. Thank you
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Algebra.Com's Answer #670177 by ikleyn(52792)\"\" \"About 
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\n" ); document.write( "Ac is the subset of the set U which contains all elements of U that do not belong to A.\r
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\n" ); document.write( "\n" ); document.write( "By knowing THIS, even a child from a sand-box can answer your question.\r
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\n" ); document.write( "\n" ); document.write( "Make a list of elements of Ac.\r
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\n" ); document.write( "\n" ); document.write( "Make a list, by listing one element after the other.\r
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