document.write( "Question 256854: What is the \"U\" symbols and sideways \"E\" looking symbol in pre algebra? \n" ); document.write( "
Algebra.Com's Answer #188890 by richwmiller(17219)\"\" \"About 
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Do you mean backwards E?
\n" ); document.write( "Those are symbols for sets and unions etc.
\n" ); document.write( "http://en.wikipedia.org/wiki/Table_of_mathematical_symbols
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