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An airplane takes off 12.5 miles south of a city and flies due north at a constant speed of 170 mph. What is the plane's position relative to the city after 45 min.



Answer :

luana
[tex]r=\frac{d}{t}\ \ \to\ \ d=rt\\\\45\ minutes= \frac{3}{4}\ h=0.75\ h\\\\d=0.75\cdot170=127.5\ miles\\\\127.5-12.5=115\ miles\\\\The\ plane\ is\ 115\ miles\ from\ the\ city[/tex]

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