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Mathematics 21 Online
OpenStudy (anonymous):

Can someone check my answers?

OpenStudy (anonymous):

http://prntscr.com/8hs1an

OpenStudy (anonymous):

I am pretty sure the first two are correct. Not sure about the last one.

OpenStudy (anonymous):

Thanks, kind of guessed on that one.I don't know how to find x and y values in a matrix.

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