document.write( "Question 902537: U = 1,2,3,4,5,6,7,8,9\r
\n" ); document.write( "\n" ); document.write( "A = 1,3,5,7\r
\n" ); document.write( "\n" ); document.write( "B = 4,5,6\r
\n" ); document.write( "\n" ); document.write( "a ⊂ b True or false\r
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\n" ); document.write( "\n" ); document.write( "B ⊂ U True or false
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Algebra.Com's Answer #547350 by Fombitz(32388)\"\" \"About 
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A ⊂ B : False
\n" ); document.write( "Reason : B does not contain 1,3,7.
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\n" ); document.write( "B ⊂ U : True
\n" ); document.write( "Reason : All values in B are contained in U.
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