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Mathematics 7 Online
OpenStudy (anonymous):

simplifying help?

OpenStudy (anonymous):

|dw:1340050697825:dw| simplifying completely .... help PLEZZZ

OpenStudy (anonymous):

9/7 x^3 y^2

OpenStudy (anonymous):

HOW WOULD THAT BE WRITTEN???

OpenStudy (anonymous):

well again you can do \[\sqrt{81x^3y^2}/\sqrt{49}\] you can simplify the numerator first \[\sqrt{81x^3y^2}= 9xy \sqrt{x}\] and the denominator is \[\sqrt{49}= 7\] so your answer should be \[9xy \sqrt{x}/7\] or at least that's what I got :)

OpenStudy (anonymous):

@harmonee sexygirl12 did not specify how long the square root sign extends. if it does extend over the x and y variables, then you are correct.

OpenStudy (anonymous):

@globalize you're right, I didn't notice that in her drawing. thanks for the clarification :)

OpenStudy (anonymous):

yea its the whole thing the square root sign is over the numbers and variables @harmonee

OpenStudy (anonymous):

|dw:1340051426124:dw|so that would be

OpenStudy (anonymous):

well no, if the radical sign is over the variables too then the answer would be |dw:1340051617569:dw|

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