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swiftskier96 Group Title

Help!?!?!?!?!? 10. The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. The ship uses 30 barrels of oil in traveling 85 miles at 42 mi/h. How many barrels of oil are used when the ship travels 26 miles at 54 mi/h? Round your answer to the nearest tenth of a barrel, if necessary. (1 point) 2.3 barrels 15.2 barrels 49.6 barrels 9.2 barrels

  • one year ago
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  1. swiftskier96 Group Title
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    @mathstudent55

    • one year ago
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    @amistre64 @Callisto @Hero @Mertsj @whpalmer4 @ZeHanz

    • one year ago
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    @kropot72

    • one year ago
  4. Mertsj Group Title
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    Amount of oil = k(distance)(speed)^2

    • one year ago
  5. Mertsj Group Title
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    Plug in the given ingormation and find k.

    • one year ago
  6. swiftskier96 Group Title
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    I got Amount of oil = k(26)(54)^2 Im not sure what to do after i solve (26)(54)^2. I got 75,816. So now its Amount of oil = 75,816k. Now what?

    • one year ago
  7. Mertsj Group Title
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    30=k(85)(42)^2

    • one year ago
  8. Mertsj Group Title
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    Find k

    • one year ago
  9. swiftskier96 Group Title
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    I got A: 2.3

    • one year ago
  10. swiftskier96 Group Title
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    Is that right?

    • one year ago
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