Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.
A. 315°
B. 285°
C. 105°
D. 345°
Answer: D
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Convert the decimal number to the given base.503 to base five
A. 3040five B. 4003five C. 4030five D. 3004five
Set up the general equation from the given statement.The pressure P on the bottom of a container holding a liquid varies jointly as the depth d and specific gravity s of the liquid.
A. P = 
B. P = 
C. P = 
D. P = kds
Find the volume generated by revolving the region bounded by the given curves about the y-axis. Use the method of disks.x = 
, x = 0, y = - 2, y = 2
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem.The amount of time it takes a swimmer to swim a race is inversely proportional to the average speed of the swimmer. A swimmer finishes a race in 75 seconds with an average speed of 4 feet per second. Find the average speed of the swimmer if it takes him 60 seconds to finish the race.
A. 7 ft/sec B. 6 ft/sec C. 4 ft/sec D. 5 ft/sec