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# Pc 4.8 notes_applications

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### Pc 4.8 notes_applications

1. 1. 4.8: Applications and Models AKA: Word Problems
2. 2. Ex. 1) Solve for x. 12 x 35°
3. 3. Ex. 2) From a point 65 ft. from the base of a church, the angle of elevation to the base of the steeple is 35° and 43° to the top of the steeple. What is the height of the steeple?
4. 4. Bearing Problems knots: nautical miles per hour (used to ﬁnd distance) Direction: N 22° W means point north, then turn 22° towards the west.
5. 5. Ex. 3) A sailboat leaves the pier due west at 8 knots. After 15 minutes it changes course N 16° W at 10 knots. Find the bearing and distance from the pier after 12 minutes on this new course.
6. 6. x y° 106° 2 nm 2 nm
7. 7. Assignment: #20 p. 359 #15-19 (odd), 22, 25, 29-37 (odd) Draw ALL Pictures!!