Mathematics, 27.07.2020 14:01 tatiana4ever
Starting from an airport, an airplane flies 290 miles east and then 290 miles northwest. How far, in miles, from the airport is the plane? (Round your answer to the nearest mile.)
Answers: 3
![\vec r_{B} = [(290\,mi)\cdot \cos 135^{\circ}]\cdot i + [(290\,mi)\cdot \sin 135^{\circ}]\cdot j](/tpl/images/0713/7921/9358f.png)
![\vec r_{C} = \{(290\,mi) + \left[(290\,mi)\cdot \cos 135^{\circ}\right]\}\cdot i + \left[(290\,mi)\cdot \sin 135^{\circ}\right]\cdot j](/tpl/images/0713/7921/529de.png)
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Starting from an airport, an airplane flies 290 miles east and then 290 miles northwest. How far, in...
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