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kelly226

  • 3 years ago

please helpppp?:/ Find the value of each variable. If your answer is not an integer, express it in simplest radical form

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  1. kelly226
    • 3 years ago
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  2. Skyrider21
    • 3 years ago
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    x is 7.5 and y is 14

  3. Skyrider21
    • 3 years ago
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    ps i sent you a message

  4. kelly226
    • 3 years ago
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    ik:P how did u get those answers?

  5. Skyrider21
    • 3 years ago
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    well x was half of the hypotenuse and you times x by the square root of 3.

  6. Skyrider21
    • 3 years ago
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    to get y

  7. kelly226
    • 3 years ago
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    oohh ok.. wb Y?

  8. Skyrider21
    • 3 years ago
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    i dont know what that means

  9. kelly226
    • 3 years ago
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    what bout Y? how did u get Y?

  10. kelly226
    • 3 years ago
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    hah sorry..:/

  11. kelly226
    • 3 years ago
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    ooh i mean X.. how do u get X? cuz that was for Y right?

  12. zpupster
    • 3 years ago
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    that answer is wrong becasue when you have a 90-45-45 triangle the other sides are always equal.

  13. Skyrider21
    • 3 years ago
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    oh, oops, i thought is was a 30-60-90 triangle sorry

  14. kelly226
    • 3 years ago
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    so how do u do a 90 - 45 - 45 triangle?

  15. kelly226
    • 3 years ago
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    ik that y would be 15 sqrt of 2.. but how do i find X?

  16. zpupster
    • 3 years ago
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    no x and y will be the same

  17. kelly226
    • 3 years ago
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    really? ooh.. how do u find it?

  18. zpupster
    • 3 years ago
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    A= unknown angle, b =known angle 45 and c = 90 sinB =AC/AB=Opp/hyp

  19. zpupster
    • 3 years ago
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    AC = AB x sinB

  20. kelly226
    • 3 years ago
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    then i just substitute in?

  21. kelly226
    • 3 years ago
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    u lost me...:/

  22. zpupster
    • 3 years ago
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    label the angles in the drawing first

  23. kelly226
    • 3 years ago
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    what drawing? mine?

  24. zpupster
    • 3 years ago
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    yes

  25. Skyrider21
    • 3 years ago
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    sup im back what did i miss?

  26. kelly226
    • 3 years ago
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    umm.. confusing stuff.. that i dont get..

  27. Skyrider21
    • 3 years ago
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    oh well on my reference sheet it says the hypotenuse is equal to x to the square root of 2 and the other two sides are x, so i guess both x and y =15

  28. Skyrider21
    • 3 years ago
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    thats what it says for a 45-45-90 triangle

  29. kelly226
    • 3 years ago
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    really?! thaaanksss:D

  30. Skyrider21
    • 3 years ago
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    your welcome, glad to help.

  31. kelly226
    • 3 years ago
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    but how did u get 15?

  32. zpupster
    • 3 years ago
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    15 is indeed the answer, but did you see how it was calculated

  33. zpupster
    • 3 years ago
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    the sides you are looking for are AC or BC C being the right angle the def of the sine of and angle is OPP/ hyp

  34. kelly226
    • 3 years ago
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    no..

  35. zpupster
    • 3 years ago
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    AB is the hyp or 15sprt2

  36. zpupster
    • 3 years ago
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    did u get that part

  37. zpupster
    • 3 years ago
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    what part are u missing

  38. kelly226
    • 3 years ago
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    oh nvm.. i guess im not..thaaanks:)

  39. zpupster
    • 3 years ago
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    anothr time then later

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