Solve the problem.A particle is moving so that its x- and y-coordinates are given by 
and 
(in ft). Find the magnitude and direction of its velocity when 
A. 12 ft/s, 290°
B. 3.0 ft/s, 110°
C. 12 ft/s, 110°
D. 4.0 ft/s, 70°
Answer: C
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Find a value of ? in [0°, 90°] that satisfies the statement. Leave answer in decimal degrees rounded to seven decimal places, if necessary.tan ? = 1.5047547
A. 33.6064283° B. 236.393572° C. 56.3935717° D. 123.606428°
Solve the problem. Round to the nearest dollar.Rainbow Ice Cream bought a frozen custard maker that cost $9,400. The expected life is 5,000 hours of production with a salvage value of $940. Find the book value at the end of the third year. Use the units-of-production method of depreciation given the following production schedule.Year 11,490 hoursYear 21,680 hoursYear 31,100 hours
A. $1,244 B. $1,372 C. $7,216 D. $2,184
Solve the inequality, then graph the solution.4 < 1 - 4x ? 10
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 40°; magnitude: 47 lb B. Direction: 4°; magnitude: 65 lb C. Direction: 51°; magnitude: 51 lb D. Direction: 29°; magnitude: 51 lb