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KE8717504

A sailboat sail is triangular with a height 10ft greater than it's base. If the sails area is 72 sq ft, find it's base and height.

  • one year ago
  • one year ago

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  1. completeidiot
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    did you try drawing a picture?

    • one year ago
  2. Algebraic!
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    what's the area of a triangle in terms of height and base?

    • one year ago
  3. completeidiot
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    actually you dont really need a picture A=1/2b*h

    • one year ago
  4. KE8717504
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    Ok so what's next?

    • one year ago
  5. Algebraic!
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    so you have an equation for b and h

    • one year ago
  6. Algebraic!
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    you need one more equation, since you have two unknowns.

    • one year ago
  7. KE8717504
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    Ok..

    • one year ago
  8. Algebraic!
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    "a height 10ft greater than it's base." try to write an equation based on that statement

    • one year ago
  9. KE8717504
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    I have no clue lol

    • one year ago
  10. KE8717504
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    i get lost on these problems

    • one year ago
  11. Algebraic!
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    if b is 6 what is h?

    • one year ago
  12. KE8717504
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    10

    • one year ago
  13. Algebraic!
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    because 10 is 10 more than 6?

    • one year ago
  14. KE8717504
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    yes

    • one year ago
  15. Algebraic!
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    what's 6 plus 10

    • one year ago
  16. KE8717504
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    16

    • one year ago
  17. Algebraic!
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    so 16 is 10 more than 6

    • one year ago
  18. Algebraic!
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    if b=6 h=16

    • one year ago
  19. Algebraic!
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    if b=7 h=?

    • one year ago
  20. KE8717504
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    16

    • one year ago
  21. KE8717504
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    ?

    • one year ago
  22. Algebraic!
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    because 16 is 10 more than 7...

    • one year ago
  23. KE8717504
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    so my answer is 7, 16

    • one year ago
  24. Algebraic!
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    this was fun.

    • one year ago
  25. KE8717504
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    the computer again said that was wrong?

    • one year ago
  26. KE8717504
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    ??

    • one year ago
  27. Denebel
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    |dw:1347073516029:dw|

    • one year ago
  28. KE8717504
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    so what is my answer?

    • one year ago
  29. KE8717504
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    for the base and heig

    • one year ago
  30. KE8717504
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    t?

    • one year ago
  31. Denebel
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    You have to solve for x.

    • one year ago
  32. KE8717504
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    X(x+10) / 2??

    • one year ago
  33. KE8717504
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    now?

    • one year ago
  34. Agent47
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    Good job Denebel. KE, if you can't follow simple instructions, nobody will help you. Nobody is just going to post the answer.

    • one year ago
  35. Denebel
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    \[72=\frac{ 1 }{ 2 }x(x+h)\] Do you know how to solve for x?

    • one year ago
  36. KE8717504
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    Yes but it comes out to be like a square root.. I'm not stupid or anything

    • one year ago
  37. Algebraic!
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    prove it.

    • one year ago
  38. KE8717504
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    prove what?

    • one year ago
  39. Algebraic!
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    wow.

    • one year ago
  40. KE8717504
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    Um excuse me Mrs. wrong answer giver Algebraic I can block u also...

    • one year ago
  41. Denebel
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    Ok, what did you do so far?

    • one year ago
  42. KE8717504
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    when I divided the equation u told me to divide i got 2 big square roots

    • one year ago
  43. Denebel
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    ? Can you show me the steps? Draw or write it out.

    • one year ago
  44. KE8717504
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    I'm not even sure if i worked it right? I put it in my calcuator

    • one year ago
  45. Denebel
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    If you don't mind me asking, what math are you taking?

    • one year ago
  46. KE8717504
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    Intermediate.

    • one year ago
  47. Denebel
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    Is there a particular subject? On the cover of your textbook? Have you learned about distribution?

    • one year ago
  48. Denebel
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    Also, how did you type x(x+10) in your calculator...

    • one year ago
  49. KE8717504
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    Have u ever used a graphing calucator?? u can type that in to that

    • one year ago
  50. completeidiot
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    what did you get for a base?

    • one year ago
  51. KE8717504
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    Yes the particular subject is intermediate math i believe i said that

    • one year ago
  52. KE8717504
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    I don't even know now people are making me mad on here tonight

    • one year ago
  53. completeidiot
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    well assuming you have a graphing calculator i put down (1/2)(x(x+10))-72 find when y=0 and got x=8

    • one year ago
  54. KE8717504
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    ok

    • one year ago
  55. completeidiot
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    sorry for above shouldve check this sooner

    • one year ago
  56. KE8717504
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    huh?

    • one year ago
  57. Denebel
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    |dw:1347075231860:dw|

    • one year ago
  58. KE8717504
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    duh ok i already knew that.... ...... but is that my base or height????

    • one year ago
  59. Denebel
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    It's nothing, you have to solve for x first. It's just an equation so you find your base and height.

    • one year ago
  60. KE8717504
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    Ok did i just not solve this same one though?

    • one year ago
  61. Denebel
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    Which other equation did you solve?

    • one year ago
  62. KE8717504
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    I thought i just solved this one

    • one year ago
  63. KE8717504
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    x=-18,8 ???? is that right

    • one year ago
  64. completeidiot
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    well the base cant be negative so just x=8

    • one year ago
  65. Denebel
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    Measurements of an object can be negative. |dw:1347075538826:dw|

    • one year ago
  66. KE8717504
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    so my base is 8 and my height is -18???

    • one year ago
  67. Algebraic!
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    so much fail.

    • one year ago
  68. KE8717504
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    what?

    • one year ago
  69. Denebel
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    Oops typo there, I mean CAN'T

    • one year ago
  70. KE8717504
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    Denebel u have me lost...

    • one year ago
  71. completeidiot
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    the height was 10 more than the base if the base if 8 8+10 =18 case closed

    • one year ago
  72. KE8717504
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    so my base is 18 and my height is 10?

    • one year ago
  73. Denebel
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    @completeidiot Also has to satisfy A=72

    • one year ago
  74. completeidiot
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    no... base is 8 height is 18...... 8*18=144 144/2=72 GAHHHHHHHH

    • one year ago
  75. Denebel
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    Oops sorry My brain is wacked. I typed it in my calculator wrong.

    • one year ago
  76. Denebel
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    LOL Yes @KE8717504 , completeidiot is correct

    • one year ago
  77. KE8717504
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    THANK YOU SO MUCH @completeidiot

    • one year ago
  78. KE8717504
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    @Denebel i'm starting to wonder if u know what ur doing.. and u are very confusing.

    • one year ago
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