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Foreverisabell

  • one year ago

I have no idea how to do this. HELP PLEASE..Your grandmother called and asked you to come over. You rode your bike 15.25 miles in 30 minutes. How many miles per hour did you travel?

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  1. precal
    • one year ago
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    |dw:1363286853504:dw|

  2. Foreverisabell
    • one year ago
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    Im still confused?

  3. precal
    • one year ago
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    do you have a calculator? just divide those two numbers and that will be your solution

  4. Foreverisabell
    • one year ago
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    Yes I divided them & got 0.50 which isn't correct?

  5. precal
    • one year ago
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    |dw:1363287050870:dw|

  6. Foreverisabell
    • one year ago
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    15.25 mph 61 mph 45.75 mph 30.5 mph

  7. Foreverisabell
    • one year ago
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    Those are my answer?

  8. Foreverisabell
    • one year ago
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    It has to be one of those. & idk how to find it?

  9. Foreverisabell
    • one year ago
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    Can we do it step by step?

  10. precal
    • one year ago
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    |dw:1363287108792:dw|that checks out

  11. precal
    • one year ago
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    mph is miles per hours

  12. Foreverisabell
    • one year ago
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    what is D?

  13. precal
    • one year ago
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    |dw:1363287263174:dw|

  14. Foreverisabell
    • one year ago
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    what is D??? & R? & T?

  15. precal
    • one year ago
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    30.5 mph d is distance r is rate and t is time just your basic formula

  16. Foreverisabell
    • one year ago
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    so its 30.5?

  17. Foreverisabell
    • one year ago
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    mph?

  18. precal
    • one year ago
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    yes 30.5 mph

  19. Mertsj
    • one year ago
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    Oh my goodness!!! How many minutes in an hour? 60 of course so 15.25 miles in 30 minutes = x miles in 60 minutes.

  20. Mertsj
    • one year ago
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    |dw:1363287452427:dw|

  21. precal
    • one year ago
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    |dw:1363287515321:dw|

  22. precal
    • one year ago
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    this is called a proportion and that is another way to do this problem....

  23. precal
    • one year ago
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    notice everyone wants to help you at this point.......

  24. robtobey
    • one year ago
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    Use dimensional analysis. miles per hour = \[\frac{\text{miles}}{\text{hours}} \] \[\frac{15+\frac{1}{4}}{\frac{30}{60}}=\frac{61}{2}=30.5 \]

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