Solve the problem.The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by 
for 
Find the probability: 
A. 0.2780
B. 0.6934
C. 0.0914
D. 0.0290
Answer: D
Mathematics
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Determine if the two lines are parallel, perpendicular, coinciding, or only intersecting.x = -10y = 5
A. parallel B. coinciding C. intersecting D. perpendicular
Mathematics
Provide an appropriate response.Find all complex square roots of z = 4 + 4
i. Write each root in rectangular form.
A. 
- 
i, - 
+ 
i
B. - 
- 
i, 
- 
i
C. 
+ 
i, - 
- 
i
D. 
+ 
i, - 
- 
i
Mathematics
Determine all solutions of the equation in radians.Find sin 
, given that sin ? = - 
and ? terminates in 270° < ? < 360°.
A. 
B. 
C. - 
D. - 
Mathematics
Solve the equation.5x =
A. {4}
B.
C. {-4}
D. 
Mathematics