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iwanttogotostanford

  • one year ago

HELP W? AN ACT PREP QUESTION< PLEASE I NEED TO DO WELL: A ramp for wheelchair access to the gym has a slope of 5% (that is, the ramp rises 5 feet vertically for every 100 feet of horizontal distance). The entire ramp is built on level ground, and the entrance to the gym is 2 feet above the ground. What is the horizontal distance, in get, between the ends of the ramp???

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  1. iwanttogotostanford
    • one year ago
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    @Vocaloid

  2. iwanttogotostanford
    • one year ago
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    @jim_thompson5910 @amistre64 @pooja195 @satellite73

  3. jim_thompson5910
    • one year ago
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    do you have a pic of the problem drawn out? or are you stuck on that part?

  4. iwanttogotostanford
    • one year ago
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    thats all of the problem and thats all it gives me

  5. iwanttogotostanford
    • one year ago
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    i have the answer choices but i really just need to know how to do it

  6. jim_thompson5910
    • one year ago
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    well I meant in terms of you drawing it yourself (not having the teacher draw it for you)

  7. iwanttogotostanford
    • one year ago
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    i have an ACT prep book but sure

  8. jim_thompson5910
    • one year ago
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    here's what the drawing would look like |dw:1443319000251:dw|

  9. iwanttogotostanford
    • one year ago
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    i just need to know the process, i already have the answer

  10. iwanttogotostanford
    • one year ago
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    oh ok thanks thats helpful

  11. jim_thompson5910
    • one year ago
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    the info `A ramp for wheelchair access to the gym has a slope of 5% (that is, the ramp rises 5 feet vertically for every 100 feet of horizontal distance)` basically tells us that we'll have this proportion 2/x = 5/100

  12. jim_thompson5910
    • one year ago
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    the numerators represent the vertical change in distance the denomiators represent the horizontal change in distance

  13. iwanttogotostanford
    • one year ago
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    ok

  14. jim_thompson5910
    • one year ago
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    so you see how I got 2/x = 5/100? if so, then the next step is to isolate x

  15. iwanttogotostanford
    • one year ago
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    yep, I got that

  16. jim_thompson5910
    • one year ago
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    ok tell me what x is

  17. iwanttogotostanford
    • one year ago
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    40

  18. jim_thompson5910
    • one year ago
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    good

  19. iwanttogotostanford
    • one year ago
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    so thats the answer and how we do it?

  20. jim_thompson5910
    • one year ago
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    like I said, solving 2/x = 5/100 for x

  21. iwanttogotostanford
    • one year ago
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    ok, thanks! I have another question! can i tag you in a new question and help me?

  22. jim_thompson5910
    • one year ago
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    2/x = 5/100 2*100 = x*5 ... cross multiply 200 = 5x 5x = 200 5x/5 = 200/5 ... dividing both sides by 5 x = 40

  23. iwanttogotostanford
    • one year ago
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    ok! Can i make a new question and tag you in it?

  24. jim_thompson5910
    • one year ago
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    sure

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