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Reaper534

Find x.

  • one year ago
  • one year ago

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  1. Reaper534
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    @Mertsj

    • one year ago
  2. Mertsj
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    Let's get rid of the one triangle that we don't need for this one.

    • one year ago
  3. Mertsj
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    |dw:1359241647844:dw|

    • one year ago
  4. Mertsj
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    Can you solve that equation for x?

    • one year ago
  5. Reaper534
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    i divide 18 by 2 and get 9 then ill get 9sqrt2

    • one year ago
  6. Mertsj
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    \[x \sqrt{2}=18\]

    • one year ago
  7. Mertsj
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    Divide both sides by sqrt 2

    • one year ago
  8. Reaper534
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    18sqrt2/sqrt 4

    • one year ago
  9. Mertsj
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    \[\frac{x \sqrt{2}}{\sqrt{2}}=\frac{18}{\sqrt{2}}\]

    • one year ago
  10. Mertsj
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    \[x=\frac{18}{\sqrt{2}}\]

    • one year ago
  11. Mertsj
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    Now simplify. Multiply numerator and denominator by sqrt2

    • one year ago
  12. Reaper534
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    i get 18sqrt2/sqrt4 and then i get sqrt18/4

    • one year ago
  13. Mertsj
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    \[\frac{18}{\sqrt{2}}\times \frac{\sqrt{2}}{\sqrt{2}}=\frac{18\sqrt{2}}{2}=9\sqrt{2}\]

    • one year ago
  14. Reaper534
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    ohh if a sqrt in on numerator and a other on denominater i can cancell each other

    • one year ago
  15. Mertsj
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    no.

    • one year ago
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