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Mathematics 7 Online
OpenStudy (anonymous):

Select the symbol = (equal to) or (not equal to) to make the expression true. {2, 4, 6} ? {6, 4, 2} so confuse...please help

OpenStudy (zarkon):

are those sets

OpenStudy (calculusxy):

Are you trying to compare the numbers in the brackets?

OpenStudy (mertsj):

= because the two sets contain the exact same elements. The order doesn't matter.

OpenStudy (anonymous):

@Mertsj what do you by that...this is really confusing to me??:/

OpenStudy (mertsj):

{2,4,6} is a set. It has 3 elements. The elements are 2, 4, and 6

OpenStudy (mertsj):

{6,4,2} is a set. It has 3 elements. The elements are 2, 4, and 6

OpenStudy (mertsj):

Therefore the sets are the same set since they contain the same elements.

OpenStudy (anonymous):

Select the symbol = (equal to) or (not equal to) to make the expression true. {0} ? { } okay I think I get it....so that means this is also =???

OpenStudy (mertsj):

Equal sets contain identical elements. e.g. if A = {1,2,3} and B = {1,2,3} then A and B are equal - their elements are the same.

OpenStudy (anonymous):

I'm sorry I take online homeschool and their examples are no help at all so I'm really struggling

OpenStudy (anonymous):

@Zarkon yes they are...I got that one but you can you please me this please?? Select the symbol = (equal to) or (not equal to) to make the expression true. {1, 2, 3, 4, 5} ? {whole numbers between 1 and 5 inclusive}

OpenStudy (mertsj):

What are the whole numbers between 1 and 5 inclusive?

OpenStudy (anonymous):

is it all the numbers between 1 and 5??

OpenStudy (mertsj):

Do you know what the set of whole numbers is?

OpenStudy (mertsj):

{0,1,2,3...} is the set of whole numbers. So the whole numbers between 1 and 5 inclusive means the whole numbers between 1 and 5 including 1 and 5

OpenStudy (mertsj):

What would those numbers be?

OpenStudy (anonymous):

1,2, 3, 4, 5....???

OpenStudy (mertsj):

yes. So now look at your problem again. Are those two sets equal or not?

OpenStudy (anonymous):

yes...

OpenStudy (mertsj):

Yes, they are.

OpenStudy (anonymous):

so inclusive mean I should include 1 and 5

OpenStudy (mertsj):

yes

OpenStudy (anonymous):

okay thank you...I'm really trying hard to understand all of this:)

OpenStudy (mertsj):

yw

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