document.write( "Question 6938: Could you please assist me in the following two questions and show all the work used to get to the answer.\r
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document.write( "Evaluate: − │─3│\r
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document.write( "Write one subset of A={1,3,5,7,9,11}.
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Algebra.Com's Answer #3803 by glabow(165)![]() ![]() ![]() You can put this solution on YOUR website! The meaning of |a| is: what is the magnitude of the number a, ignoring its sign. \n" ); document.write( "|3| = 3. |-3| = 3. One is positive 3, the other is negative 3. But they both have the magnitude of 3. \n" ); document.write( "So, -|-3| is the same as -3.\r \n" ); document.write( "\n" ); document.write( "A subset is a set of elements that are contained in another set. You have a set \n" ); document.write( "A = {1, 3, 5, 7, 9, 11}. Any set that contains elements that are in A is a subset of A. And A is called the superset. \n" ); document.write( "So B = {1} is a subset. C = {1, 7, 11} is a subset. And so on. Even a set X = {1, 3, 5, 7, 9 ,11} is a subset of A! However, a subset that does not contain all the elements of its superset is called a proper subset. (Just one more) A set with no elements in it is called the empty set. And the empty set is a subset of any other set. \n" ); document.write( " |