Solve the problem.Island A is 150 miles from island B. A ship captain travels 250 miles from island A and then finds that he is off course and 160 miles from island B. What angle, in degrees, must he turn through to head straight for island B? Round the answer to two decimal places. (Hint: Be careful to properly identify which angle is the turning angle.)
A. 110.17°
B. 145.08°
C. 34.92°
D. 55.08°
Answer: B
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Use a system of linear equations to solve the problem.Two angles have a sum of 193°. One angle is 20° less than twice the other. Find the measure of each angle.
A. 118° and 75° B. 71° and 122° C. 69° and 124° D. 69° and 118°
Solve the problem.A room in the shape of a triangle has sides of length 5 yd, 8 yd, and 11 yd. If carpeting costs $14.50 a square yard and padding costs $4.25 a square yard, how much to the nearest dollar will it cost to carpet the room, assuming that there is no waste?
A. $330 B. $335 C. $344 D. $266
Solve the equation on the interval [0, 2?).sin 3x = 0
A. 
, 
, 
, 
B. 0, 
, 
, ?, 
, 
, 2?
C. 
, 
D. no solution
Solve the equation by completing the square. Express any complex numbers using i notation.3x2 - 4x = 7
A. x = 
, -1
B. x = 
, 1
C. x = 
, -1
D. x = 
, 1