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help123please.

  • one year ago

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  1. help123please.
    • one year ago
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    I didn't type the question since its on the photo.

  2. help123please.
    • one year ago
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    I'm reading that ^

  3. help123please.
    • one year ago
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    One second.

  4. help123please.
    • one year ago
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    I'll try to solve.

  5. help123please.
    • one year ago
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    Will you give me a minute?

  6. timo86m
    • one year ago
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    oops error the question is easy use the pythogoread formula c^2=a^2+b^2 white dr is c westerfield is b and blue is a now we plug in. 144= blue^2 + 13^2 ^ that is already squared for you. ^ that is westerfield. Solve for blue. Do you know how?

  7. timo86m
    • one year ago
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    on previous one i forgot to square the blue blvd one

  8. help123please.
    • one year ago
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    Okay. Let me try to solve,alright?

  9. timo86m
    • one year ago
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    ok :)

  10. help123please.
    • one year ago
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    Thank you,sir.

  11. help123please.
    • one year ago
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    so basically 144=a^2+13^2?

  12. timo86m
    • one year ago
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    YES

  13. help123please.
    • one year ago
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    Okay, ty. Let me solve for A now,then.

  14. help123please.
    • one year ago
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    I got '5' as 'a^2'.

  15. timo86m
    • one year ago
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    I think your diagram might be wrong tho

  16. help123please.
    • one year ago
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    Really?

  17. timo86m
    • one year ago
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    http://fotos.fotoflexer.com/0535069a1a6b2d1d83534c883adaae01.jpg

  18. help123please.
    • one year ago
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    How's it wrong?

  19. timo86m
    • one year ago
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    the longest street is suppose to be the c in the theorem. white dr is sqrt (144)= 12 but westerfield is 13 which is longer.

  20. help123please.
    • one year ago
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    No, that's how it is on my sheet. That's okay. i can leave it as is.

  21. help123please.
    • one year ago
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    Good observation, though.

  22. help123please.
    • one year ago
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    so... would it be '144=5^2+13^2'?

  23. timo86m
    • one year ago
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    it is wrong either blue is longer. But for sure westerfield is longer.

  24. timo86m
    • one year ago
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    5^2+13^2=194 nott 144 silly

  25. help123please.
    • one year ago
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    Oh right i forgot to square it.

  26. help123please.
    • one year ago
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    Sorry bout that...

  27. help123please.
    • one year ago
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    wait wait wait..

  28. help123please.
    • one year ago
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    how did you get 194?

  29. timo86m
    • one year ago
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    you gave me 194 5^2+13^2 you gave that 25+169=194 You cant solve it until you fix the streets. You need to know the longest street. You cant just pick it. white dr =12 but wester field is 13. 13 should be c or blue but we dont even know what blue is. we can make blue c also to see if it works

  30. help123please.
    • one year ago
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    Oh right....Okay.

  31. help123please.
    • one year ago
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    Fine, whatever you think is best.

  32. help123please.
    • one year ago
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    Let's make blue C.

  33. timo86m
    • one year ago
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    make westerfield c and the numbers work better :) c^2= b^2+b^2 169=144+b^2 ^ wester field 13^2 is given so square it to get 169 ^ white 144 was given and already squared ^ blue now solve :)

  34. help123please.
    • one year ago
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    Okay. So...

  35. help123please.
    • one year ago
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    This might take a min or 2

  36. timo86m
    • one year ago
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    solve for b

  37. help123please.
    • one year ago
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    Yes,one second.

  38. help123please.
    • one year ago
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    Is it 5?

  39. timo86m
    • one year ago
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    yup

  40. help123please.
    • one year ago
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    YESSSS!

  41. timo86m
    • one year ago
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    |dw:1364431455866:dw|

  42. help123please.
    • one year ago
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    I also got that the first time.

  43. help123please.
    • one year ago
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    5 as the missing value, I mean.

  44. help123please.
    • one year ago
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    Thank you very much for your assistance.

  45. help123please.
    • one year ago
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    144 = a^2+13^2 --> a=5^2

  46. timo86m
    • one year ago
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    no but it did not work out cuzz you said "so... would it be '144=5^2+13^2'?" no 5^2+13^2=25+169 is not 144 what you were actually getting was imaginary result. a 5i. what you did was something like this 144=a^2 +13^2 simplifies to 144=a^2+169 then you subtract 169 from both sides 144-169=a^2 -25=a^2 then you try to take sqrt of -25 but how? you cant take sqrt of negatives. you can but it is out of your scope. Unless they taught you about imaginaries already.

  47. help123please.
    • one year ago
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    no....

  48. help123please.
    • one year ago
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    That was a long reply. LOL.

  49. help123please.
    • one year ago
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    Thanks anyhow. So the final equation would be 169=144+b^2 --> b=5?

  50. help123please.
    • one year ago
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    @timo86m help please

  51. timo86m
    • one year ago
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    Yes now you just add up the lengths of the streets to see which is longer route.

  52. help123please.
    • one year ago
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    Okay....

  53. timo86m
    • one year ago
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    westerfield and blue =13+5 = 18 blue to white=5+12=17

  54. help123please.
    • one year ago
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    there is a one mile difference.

  55. timo86m
    • one year ago
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    yup :D lol you got ahead of me :) But anyhoo i think this is best.

  56. help123please.
    • one year ago
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    Nope, you're way ahead of me.

  57. help123please.
    • one year ago
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    I just did first grade subtraction.

  58. help123please.
    • one year ago
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    So, how would you state the answer?

  59. timo86m
    • one year ago
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    joe will run one mile further along his new route

  60. help123please.
    • one year ago
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    ok.thanks!

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