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Mathematics 14 Online
OpenStudy (anonymous):

sqrt{81} + 3^{2} - 6 sqrt{16}

OpenStudy (lgbasallote):

what is the square root of 81?

OpenStudy (anonymous):

9

OpenStudy (lgbasallote):

right. and what is the square root of 16?

OpenStudy (anonymous):

umm 4 I think

OpenStudy (lgbasallote):

that's right. and do you know what 3^2 is?

OpenStudy (anonymous):

3 (sqr)

OpenStudy (lgbasallote):

and what does that equal to?

OpenStudy (anonymous):

9

OpenStudy (lgbasallote):

right so this whole thing becomes 9 + 9 - 6(4)

OpenStudy (lgbasallote):

simplify and you get your answer

OpenStudy (anonymous):

thanks

OpenStudy (lgbasallote):

welcome

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