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Mathematics 13 Online
OpenStudy (anonymous):

21=3* sqaure root with a ? mark

OpenStudy (anonymous):

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OpenStudy (lucaz):

you know 21 = 3*7, so sqrt(x) must be equal to 7, then x=7^2

OpenStudy (anonymous):

thx bro

OpenStudy (lucaz):

no problem

OpenStudy (anonymous):

whats the sqaure root of 4 i am really dumb at this sqaure root stuff

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