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Q: Which of the following sets is equal to {1, 2, 3, ...}? {x | x ? R, x > 1} {x | x ? R, x = 1} {x | x ? N, x = 1}
A: y
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User: Which of the following sets is equal to {1, 2, 3, ...}? {x | x ? R, x > 1} {x | x ? R, x = 1} {x | x ? N, x = 1}

Weegy: y
keytoanswer|Points 40|

User: what?

Weegy: Do you have a question i can help you with?
clarityjane|Points 213|

User: i had a question up there that i needed help with but you just said y?

Question
Asked 7/7/2011 10:10:32 PM
Updated 5/16/2013 10:14:23 PM
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The sets that is equal to {1, 2, 3, ...} is {x | x ? N, x = 1} ; {x | x ? N, x = 1} means:

X where X is in the set (?) of (N)atural number (counting numbers, 1, 2, 3, 4, etc) where X is greater than or equal to 1. This is your guy.

The R is for real numbers, and that would be 1, all the numbers between 1 and 2 (like 1.33 repeating, the square root of 3, 1.7, etc), 2, all the numbers between 2 and 3, 3, all the numbers between 3 and 4, etc.
Added 5/16/2013 10:14:23 PM
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Questions asked by the same visitor
Find A n B if A = {3, 6, 9, 12} and B = {2, 4, 6, 8, 10, 12}. Ø {6, 12} {2, 3, 4, 6, 8, 9, 10, 12}
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Updated 7/7/2011 11:03:09 PM
1 Answer/Comment
A n B or (A intersect B) if A = {3, 6, 9, 12}, B = {2, 4, 6, 8, 10, 12} is what A and B have in common, in this case the answer is A n B = {6, 12}
Added 7/7/2011 11:03:09 PM
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