Two boats leave the same dock at the same time, one traveling due north at the rate of 3 miles/hour and the other due east at the rate of 4 miles/hour. How many miles apart are the boats at
the end of 5 hours?

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contminecraft10

15.04.2021

Mathematics

$x^2+6x=-8\\
x^2+6x+9=1\\
(x+3)^2=1\\
x+3=1 \vee x+3=-1\\
x=-2 \vee x=-4$

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Two boats leave the same dock at the same time, one traveling due north at the rate of 3 miles/hour and the other due east at the rate of 4 miles/hour. How many miles apart are the boats at the end of 5 hours?