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Math Help - Two ships leave port at the same time? (rate problem)

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    Two ships leave port at the same time? (rate problem)

    Two ships leave port at the same time. One travels north at 40 knots (that is, 40 nautical miles per hour), and the other west at 30 knots. The distance between the ships increases at a constant rate.
    At what rate is the distance between the two ships increasing?

    Thanks
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  2. #2
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    Re: Two ships leave port at the same time? (rate problem)

    Quote Originally Posted by achen94 View Post
    Two ships leave port at the same time. One travels north at 40 knots (that is, 40 nautical miles per hour), and the other west at 30 knots. The distance between the ships increases at a constant rate.
    At what rate is the distance between the two ships increasing?
    that rate would be 50 kts ... think about it.
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    Re: Two ships leave port at the same time? (rate problem)

    thanks! i thought too hard about this problem.
    Do you by any chance know the formula for percent error for precision?
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