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Babynini

  • one year ago

Finding the average speed over time intervals.

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  1. Babynini
    • one year ago
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  2. Babynini
    • one year ago
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    I need help knowing how to get the average speed equation from the information given. I know: Average speed = dist traveled/time traveled.

  3. Babynini
    • one year ago
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    @peachpi :)

  4. Babynini
    • one year ago
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    @Loser66

  5. anonymous
    • one year ago
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    yeah so that is what you have to compute for each one you are going to need some technological assistance, like a calculator first off, what do you get when x = 1? you are going to use that number for each one, so lets get that first

  6. Babynini
    • one year ago
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    how do I find that out?

  7. anonymous
    • one year ago
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    replace x by 1

  8. Babynini
    • one year ago
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    you mean t?

  9. anonymous
    • one year ago
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    x, t whatever

  10. Babynini
    • one year ago
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    xD it equals 57.17

  11. anonymous
    • one year ago
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    ok so now the first one will be \[\frac{58\times 2-.83\times 2^2-57.17}{2-1}\]

  12. Babynini
    • one year ago
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    55.51 ?

  13. anonymous
    • one year ago
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    lets use this

  14. anonymous
    • one year ago
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    http://www.wolframalpha.com/input/?i=%2858*2-.83*2^2-57.17%29%2F%282-1%29

  15. anonymous
    • one year ago
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    yeah you got it, but i wrote it in kind of a silly way in wolfram so now you can use that for all of them replace the 2 by various different values for t

  16. Babynini
    • one year ago
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    Yay! so the values of t are the second number in the interval things given?

  17. Babynini
    • one year ago
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    [1,1.5] [p, t] like that?

  18. anonymous
    • one year ago
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    here is the same thing, only i replaced all the "2" by "1.5" http://www.wolframalpha.com/input/?i=%2858*1.5-.83*1.5^2-57.17%29%2F%281.5-1%29

  19. Babynini
    • one year ago
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    http://www.wolframalpha.com/input/?i=%2858*1.5-.83*1.5%5E2-57.17%29%2F%281.5-1%29 like so?

  20. anonymous
    • one year ago
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    lol yeah looks exactly like what i wrote

  21. Babynini
    • one year ago
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    hahah perfect, ok. Sorry, I think we posted at the same time xD

  22. anonymous
    • one year ago
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    now you can use it as a template for all the rest

  23. anonymous
    • one year ago
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    yeah you got it right on the first try aint technology wonderful?

  24. Babynini
    • one year ago
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    Dude, no joke. So for part b of the problem?

  25. Babynini
    • one year ago
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    Nevermind, I got it :)

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