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Mathematics 19 Online
OpenStudy (babyx3boo):

Adding radicals (with a fraction) help?

OpenStudy (babyx3boo):

OpenStudy (misty1212):

the \(6\sqrt2\) part looks good to me

OpenStudy (misty1212):

is the next part \[2\sqrt{\frac{1}{8}}\]?

OpenStudy (babyx3boo):

Yes @misty1212

OpenStudy (whpalmer4):

You need to rationalize that right hand fraction (I think it is what you think it is, @misty1212).

OpenStudy (misty1212):

just like you did with the first part, \[\sqrt{8}=2\sqrt2\]

OpenStudy (misty1212):

making the second part \[2\times \frac{1}{2\sqrt2}=\frac{1}{\sqrt2}=\frac{\sqrt2}{2}\]

OpenStudy (misty1212):

you have \[6\sqrt2+\frac{1}{2}\sqrt2\] combine like terms

OpenStudy (babyx3boo):

13/2*square root*2 ?

OpenStudy (misty1212):

oui

OpenStudy (misty1212):

\[\color\magenta\heartsuit\]

OpenStudy (babyx3boo):

Thank you :)

OpenStudy (misty1212):

you are quite welcome

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