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Unformatted text preview: MAC1147: Quiz #10
11/17/2009
In the topright corner of a clean sheet of paper, write your name, UFID, and section number. Please use a pen with blue or black ink. When you are nished, FOLD your paper in half lengthwise and write your name on the back. 1. Two planes start from Orlando International Airport and y in opposite directions. The second plane starts one hour after the rst plane, but its speed is 100 miles per hour faster. 2 hours after the rst plane departs, the planes are 2350 miles apart. Assume that x is the speed of the rst plane and y is the speed of the second plane. Use a linear system of equations to nd the speed of each plane. 2. If θ is in the standard position such that the terminal point is on the equation 3x+y = 0, with x ≤ 0, nd sin(2π + θ). 1 ...
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 Fall '08
 GERMAN

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