? = central angle of a circle, r = radius of the circle, s = length of the intercepted arc, 
speed, 
speed, and t = time. Find the missing quantity. Give an exact answer unless otherwise indicated.v = 16 feet/min, r = 25 feet, ? = ?
A. 0.64 rad/min
B. 0.84 rad/min
C. 0.54 rad/min
D. 0.74 rad/min
Answer: A
Mathematics
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Provide an appropriate response. e-3 =
A. 20.1 B. 0.0498 C. 0.001 D. 0.125
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Solve the equation for all complex solutions, giving exact forms in your solution set.x3 + 4x2 - 5x - 20 = 0
A. {-4, -5, 5}
B. {-4, -
, 
}
C. {-
, -5}
D. {-
, -
}
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Solve the inequality.x2 + 6x ? 0
A. (-?, 0] or [6, ?) B. (-?, -6] or [0, ?) C. [-6, 0] D. [0, 6]
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Suppose y' = ky + b and the graphs of several solutions of the differential equation are as below:
Then(I)k is negative.(II)k is positive.(III)b is positive.(IV)b is negative.
A. II and III B. I and III C. I and IV D. II and IV E. not enough information given
Mathematics