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zhane2015 Group Title

Heyy PARTY PEOPLE!! Help me, and u can get a fan or a medal!! 9. Find the value of x. Round to the nearest tenth. The diagram is not drawn to scale. triangle with sides X, 11 and a 24 degree angle (2 points)

  • one year ago
  • one year ago

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  1. zhane2015 Group Title
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    |dw:1361201598838:dw|

    • one year ago
  2. amistre64 Group Title
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    what do you know about trig functions?

    • one year ago
  3. zhane2015 Group Title
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    I need a walkthough

    • one year ago
  4. zhane2015 Group Title
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    sine cosine and tangent

    • one year ago
  5. amistre64 Group Title
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    |dw:1361201660763:dw|

    • one year ago
  6. amistre64 Group Title
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    which trig function uses the next.to (adjacent) and hypotenuse

    • one year ago
  7. amistre64 Group Title
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    tangent never looks at the hypotenuse; tan = over/nextto whats you next best one?

    • one year ago
  8. amistre64 Group Title
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    might help to write out the functions :) just as a review

    • one year ago
  9. zhane2015 Group Title
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    Cosine

    • one year ago
  10. amistre64 Group Title
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    cosine is the winner !! now, cosine = next.to/ hypotenuse

    • one year ago
  11. amistre64 Group Title
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    with what is given that leaves us: cos(24) = 11/x can you solve for x?

    • one year ago
  12. zhane2015 Group Title
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    manually?? or can i use a calculator?

    • one year ago
  13. amistre64 Group Title
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    youll need a calculator or table to determine cos(24) but just the setup would be useful. How would we move this equation around to solve for x?

    • one year ago
  14. zhane2015 Group Title
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    I have NO CLUE, but the calculator is telling me 12.04

    • one year ago
  15. amistre64 Group Title
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    cos(24) = 11/x x = 11/cos(24) and yes, abt 12.04 is what i get as well http://www.wolframalpha.com/input/?i=11%2Fcos%2824%29

    • one year ago
  16. zhane2015 Group Title
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    Oh ok thanks I understand now, and I have another question if you don't mind

    • one year ago
  17. amistre64 Group Title
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    if its a quick one, I have real job stuff that i have to attend to :)

    • one year ago
  18. zhane2015 Group Title
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    kk hold on

    • one year ago
  19. zhane2015 Group Title
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    What is the value of w to the nearest degree? Diagram (1 point) 25° 35° 40° 45° |dw:1361202248583:dw|

    • one year ago
  20. amistre64 Group Title
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    the idea is to find v in order to find w, right?

    • one year ago
  21. zhane2015 Group Title
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    If this isn't quick you don't have to help, I don't want to waste your time

    • one year ago
  22. zhane2015 Group Title
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    but yes

    • one year ago
  23. amistre64 Group Title
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    itll be quick enough, go ahead and write out the sin cos tan function for me so we can reference them

    • one year ago
  24. zhane2015 Group Title
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    sin = Opposite/Hyp. cos = adjacent/ Hyp. tan= opposite/adjacent

    • one year ago
  25. amistre64 Group Title
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    lets name the parts to compare as well |dw:1361202408276:dw|

    • one year ago
  26. amistre64 Group Title
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    in my mind, over is the same as opposite :)

    • one year ago
  27. zhane2015 Group Title
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    oh ok,

    • one year ago
  28. amistre64 Group Title
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    so, would you agree that the sine function works best for us on this one?

    • one year ago
  29. zhane2015 Group Title
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    Yes

    • one year ago
  30. amistre64 Group Title
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    sin(65) = v/15 ; v = 15 sin(65) sin(w) = v/21, replacing the value of v we get sin(w) = 15 sin(65)/21 this make sense so far?

    • one year ago
  31. zhane2015 Group Title
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    yes, I think i got it from here, Thanks

    • one year ago
  32. amistre64 Group Title
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    good :) keep in mind that to find w we need to do an inverse sin operation

    • one year ago
  33. zhane2015 Group Title
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    I gotcha ;)

    • one year ago
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