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anonymous

  • one year ago

Find the value of x and y in the diagram below. (okay so I attempted this problem, but I still did not get the correct answer)

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  1. anonymous
    • one year ago
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  2. rishavraj
    • one year ago
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    its a rectangle for sure..... do u know to get projections???

  3. anonymous
    • one year ago
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    I don't even know what that means :o @rishavraj

  4. anonymous
    • one year ago
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    What did you do? It's similar to what we did earlier. :)

  5. anonymous
    • one year ago
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    I did 9(x)= 9 sqrt 2

  6. anonymous
    • one year ago
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    |dw:1438480912945:dw|

  7. anonymous
    • one year ago
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    So 9 is the \[a \sqrt{3}\] because it is the opposite of 60 degrees.

  8. anonymous
    • one year ago
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    So I do 9 sqrt 3?

  9. anonymous
    • one year ago
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    No. Because 9 is not the a. You need to find the a first.

  10. anonymous
    • one year ago
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    So you must equal 9 to a square root of 3.

  11. anonymous
    • one year ago
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    \[\huge 9=a \sqrt{3}\]

  12. anonymous
    • one year ago
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    Now solve for a.

  13. anonymous
    • one year ago
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    Oh brothers.. how do I solve for a if it's not a legit numbers? unless 2 is a..

  14. anonymous
    • one year ago
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    |dw:1438481307802:dw|

  15. anonymous
    • one year ago
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    ohhh I think I might get it. So y must equal 4.5

  16. anonymous
    • one year ago
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    Hmmm idk what you're talking about. :D

  17. anonymous
    • one year ago
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    So a= 9/sq rt of 3 but you still need to rationalize it. You can't have a square root in the denominator.

  18. anonymous
    • one year ago
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    |dw:1438481444679:dw|

  19. anonymous
    • one year ago
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    You think you can simplify \[\frac{ 9\sqrt{3} }{ 3 }\]

  20. anonymous
    • one year ago
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    |dw:1438481621511:dw|

  21. anonymous
    • one year ago
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    |dw:1438481661467:dw|

  22. anonymous
    • one year ago
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    After that, you will find 2a or x in your problem. \[3\sqrt{3}\times2=?\]

  23. anonymous
    • one year ago
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    ohh so I got 6.92820323028

  24. anonymous
    • one year ago
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    Oh you don't have to find the exact value. Look at your choices.

  25. anonymous
    • one year ago
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    To multiply this, what is 3 times 2? Then simply put the square root of 3.

  26. triciaal
    • one year ago
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    |dw:1438481623939:dw|

  27. anonymous
    • one year ago
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    |dw:1438481942163:dw|

  28. anonymous
    • one year ago
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    I got 10.3923048454

  29. anonymous
    • one year ago
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    |dw:1438482010381:dw|

  30. anonymous
    • one year ago
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    What is 3 times 2?

  31. anonymous
    • one year ago
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    6

  32. anonymous
    • one year ago
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    Then add the square root of 3. Then that's it.

  33. anonymous
    • one year ago
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    |dw:1438482119315:dw|

  34. anonymous
    • one year ago
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    I give up it's all coming out in decimals :o

  35. anonymous
    • one year ago
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    That is simply 6 sq root of 3. You don't have to use the calculator.

  36. anonymous
    • one year ago
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    |dw:1438482340382:dw|

  37. triciaal
    • one year ago
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    |dw:1438482460151:dw|

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