Solve the problem.Find the value for x in the following special right triangle. Use exact values. 
3 m
A. 6
m
B. 
m
C. 6 m
D. 3
m
Answer: C
Mathematics
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Find the mean of the random variable x associated with the probability density function over the indicated interval. Round your answer to four decimal places.
?
; 
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Solve the equation.
x = - 
A. - 
B. - 
C. - 
D. - 
Mathematics
Solve.The time t required to empty a tank varies inversely as the pumping rate r. A pump can empty a tank in 70 minutes at the rate of 700 kiloliters per minute. How long will it take the pump to empty the tank at the rate of 1500 kiloliters per minute? Round your answer to the nearest tenth.
A. 32.7 min B. 1.5 min C. 150.0 min D. 37.5 min
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics