Solve the problem.An object is traveling around a circle with a radius of 20 meters. If in 10 seconds a central angle of 
radian is swept out, what is the linear speed of the object?
A. 
m/sec
B. 
m/sec
C. 
m/sec
D. 
m/sec
Answer: D
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Solve the problem. Round your answer to 2 decimal places when necessary.A six mile strip of Sprinkle Road had 48 traffic fatalities last year. There were 2.2 million miles driven along this stretch. Determine the traffic fatality rate per 100,000 miles driven.
A. 22 fatalities per 100,000 miles driven B. 2.18 fatalities per 100,000 miles driven C. 4583.33 fatalities per 100,000 miles driven D. 21.82 fatalities per 100,000 miles driven
Solve.4x + 7(3x - 3) ? 9 - 5x Put your answer in interval notation.
A. (-?, 1] B. (-?, -1] C. [-1, ?) D. [1, ?)
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the semicircle y = 
if the density of the wire is 
.
A. 
= 0, 
= 1
B. 
= 
, 
= 
C. 
= 0, 
= 
D. 
= 1, 
= 1
Simplify.
A. - 
B. - 
C. 
D. 