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Mathematics 8 Online
OpenStudy (anonymous):

Perform the operation indicated. If you can help please do! Picture on side:

OpenStudy (anonymous):

\[\sqrt{12} + 3 \sqrt{75}- 2\sqrt{27}\]

OpenStudy (anonymous):

i punch this into the scientific calculator and i got 6.009465337

OpenStudy (science0229):

12 factors as 2*2*3. So \[\sqrt{12}\] simplifies as \[2\sqrt{3}\]

OpenStudy (science0229):

Using similar way, 3\[3\sqrt{75}\] simplifies to \[3*5\sqrt{3}\] or \[15\sqrt{3}\]

OpenStudy (science0229):

Lastly, \[2\sqrt{27}\] simplifies to \[2*3\sqrt{3}\] or \[6\sqrt{3}\]

OpenStudy (science0229):

Add the first 2 results and subtract the last one, and you'll get the answer as \[11\sqrt{3}\]

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