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riyor Group Title

Use the general formula to write the area A of the enclosure as a function of w (that is, only the variable w should appear in the function). it should be a quadratic function

  • 3 years ago
  • 3 years ago

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  1. 3pwood Group Title
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    What enclosure?

    • 3 years ago
  2. myininaya Group Title
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    what is the enclosure? are we enclosing a rectangle or something? or can we enclose whatever we want?

    • 3 years ago
  3. riyor Group Title
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    hold on im trying to get the file of the actuall question its part of a project

    • 3 years ago
  4. riyor Group Title
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    Its to question number 5

    • 3 years ago
  5. riyor Group Title
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    I am completely lost

    • 3 years ago
  6. myininaya Group Title
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    maybe this will help

    • 3 years ago
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  7. 3pwood Group Title
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    Okay, so you have 682 feet of fencing to make up two "width sides" and one "length side" this translates to the equation: 682 = 2W + L You know from basic geometry that the area of a rectangle is length times width: A = L*W What you need to do is solve the first equation for L in terms of W: 682 = 2W + L L = 682 -2W Then substitute that L value into the second function so that you have A in terms of just W: A = L*W A = (682 -2W)W

    • 3 years ago
  8. riyor Group Title
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    anyone?

    • 3 years ago
  9. myininaya Group Title
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    ?

    • 3 years ago
  10. myininaya Group Title
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    anyone what?

    • 3 years ago
  11. riyor Group Title
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    the site froze on me im taking a look at it now

    • 3 years ago
  12. myininaya Group Title
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    ok lol

    • 3 years ago
  13. riyor Group Title
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    now if i can get the window correct on my ti 84 :P

    • 3 years ago
  14. riyor Group Title
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    any help with that?

    • 3 years ago
  15. myininaya Group Title
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    go to Y=

    • 3 years ago
  16. myininaya Group Title
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    type 682x-2x^2

    • 3 years ago
  17. myininaya Group Title
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    then go to window

    • 3 years ago
  18. riyor Group Title
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    yeah i got the equation in its just getting a clear shot of the parabola

    • 3 years ago
  19. myininaya Group Title
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    go to where it says x min and type 100 go to where it says x max and type 200 go to where it says y min and type 80 go to where it says y max and type 60000 and see if it looks viewable

    • 3 years ago
  20. myininaya Group Title
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    try going to the highest point on the curve and approximate what it is

    • 3 years ago
  21. riyor Group Title
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    it works but im going to need both sides of the parabola can i just extend the xmin

    • 3 years ago
  22. riyor Group Title
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    holy crap I got it

    • 3 years ago
  23. myininaya Group Title
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    no you are fine but you can if you want to

    • 3 years ago
  24. riyor Group Title
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    you are amazing!

    • 3 years ago
  25. myininaya Group Title
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    did you use the maximum feature on your calculator?

    • 3 years ago
  26. riyor Group Title
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    ximn -100 xmax 400 ymin 80 ymax 60000

    • 3 years ago
  27. myininaya Group Title
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    no thats not what i meant

    • 3 years ago
  28. myininaya Group Title
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    do you see calc?

    • 3 years ago
  29. riyor Group Title
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    i havent taken advantage of that yet

    • 3 years ago
  30. myininaya Group Title
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    lets do it

    • 3 years ago
  31. riyor Group Title
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    i got the max

    • 3 years ago
  32. myininaya Group Title
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    do you see maximum

    • 3 years ago
  33. riyor Group Title
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    yeah did the whole left and right bound

    • 3 years ago
  34. riyor Group Title
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    thats going to give me the best area correct?

    • 3 years ago
  35. myininaya Group Title
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    oh nice i got (170.50001,58140.5) this is just an appoximation I arleady found the exact on that pdf file

    • 3 years ago
  36. myininaya Group Title
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    your approximation doesn't have to be mine but both of ours should be pretty close to the same thing is yours close to my?

    • 3 years ago
  37. riyor Group Title
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    its exact

    • 3 years ago
  38. myininaya Group Title
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    k now you remember the file i gave you right? that vertex of the parabola i found by putting the parabola in vertex form gave me the exact (max width,max area)

    • 3 years ago
  39. riyor Group Title
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    what file

    • 3 years ago
  40. myininaya Group Title
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    scroll up if you haven't seen the file and click on it

    • 3 years ago
  41. riyor Group Title
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    looking at it now

    • 3 years ago
  42. myininaya Group Title
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    you remember when you uploaded a file i uploaded a file like a few minutes afterwards

    • 3 years ago
  43. riyor Group Title
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    yeah i see it

    • 3 years ago
  44. riyor Group Title
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    if i have any more questions ill post them

    • 3 years ago
  45. myininaya Group Title
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    ok make a new post though because i'm about to leave or do it so you can get someone's attention and bring them back here to help k?

    • 3 years ago
  46. myininaya Group Title
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    or 3wood might come back

    • 3 years ago
  47. myininaya Group Title
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    gn guys and peace

    • 3 years ago
  48. riyor Group Title
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    thanks for all the help both of you are life savers

    • 3 years ago
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