Posted by michelle on Tuesday, March 13, 2012 at 1:46pm.
state whether each is true or false. If false, give a reason
{2, 5, 7} ⊆ {2, 5, 7, 10}.

math  Steve, Tuesday, March 13, 2012 at 3:53pm
Can you really have no idea whether {2,5,7} is a subset of {2,5,7,10}?
If not, just recall that A⊆B means that every member of A is a member of B.
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