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Mathematics 13 Online
OpenStudy (anonymous):

Find the distance between (4,7) and (-1,-5)

OpenStudy (aroub):

Do you know the distance formula?

OpenStudy (anonymous):

I forgot it lol

OpenStudy (aroub):

it's okay... here it is: \[d=\sqrt{(x2-x1)^2 + (y2-y1)^2 } \] where (x1,y1) (x2,y2) :) I think now you can finish it from here right? :)

OpenStudy (anonymous):

Yeah I can thank you very much!

OpenStudy (aroub):

Great! you're welcome! :D

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