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Mathematics 13 Online
OpenStudy (anonymous):

please help and show work, find xy, xz, and yz when x= ( 7, 6 ) y= ( 3,3 ) and z = ( 6, -1 )

OpenStudy (anonymous):

i think you have to add to find xy you add 7(from x) and 3(from y) to get 10 and 6+3 would be 9 so to find XY it would be (10,9) understand? just like the rest of them

OpenStudy (anonymous):

ok thx so what is the formula then?

OpenStudy (anonymous):

is no formula add

OpenStudy (anonymous):

Do you agree safoo.khan?

OpenStudy (saifoo.khan):

I'm not sure. @Brina, why are you finding the distance?

OpenStudy (anonymous):

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