document.write( "Question 184509This question is from textbook A Survey of Mathematics with Application
\n" ); document.write( ": ) Given U = {18. 19. 20, 21, 22, 23, 24, 25, 26, 27, 28, 29}, A = {21, 23, 25, 27, 29}, and
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Algebra.Com's Answer #138500 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Note: the tick above the set name simply means the complement of the set. \r
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\n" ); document.write( "\n" ); document.write( "A′ = Everything in set U but NOT in set A = {18, 19, 20, 22, 24, 26, 28}\r
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\n" ); document.write( "\n" ); document.write( "B' = Everything in set U but NOT in set B = {18, 19, 20, 21, 22, 23, 24, 25}\r
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\n" ); document.write( "\n" ); document.write( "Now simply combine the two sets A' and B' (and remove any duplicate elements) to get\r
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\n" ); document.write( "\n" ); document.write( "A′ U B′ = {18, 19, 20, 22, 24, 26, 28} U {18, 19, 20, 21, 22, 23, 24, 25} = {18, 19, 20, 21, 22, 23, 24, 25, 26, 28}\r
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\n" ); document.write( "\n" ); document.write( "A′ U B′ = {18, 19, 20, 21, 22, 23, 24, 25, 26, 28}
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