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OpenStudy (anonymous):
Help!!!
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OpenStudy (anonymous):
OpenStudy (anonymous):
@welshfella
OpenStudy (anonymous):
c?
OpenStudy (welshfella):
if you let the side = x then x^2 = 21 so x = ?
OpenStudy (welshfella):
just take the square root of 21 its not c
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OpenStudy (welshfella):
which option equals 'the square root of 21'
OpenStudy (anonymous):
4.58?
OpenStudy (welshfella):
it is 4.58 yes but just write it as a s/uare root
OpenStudy (welshfella):
|dw:1429476126683:dw|
OpenStudy (welshfella):
* square root
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OpenStudy (anonymous):
don't know, what is it?
OpenStudy (welshfella):
its d |dw:1429476240557:dw|
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