Write the sample space for the given experiment.A group of 15 people are assigned numbers 1 through 15. A person assigned a number of 5 or less is chosen.

A. {15}
B. {1}
C. {1, 2, 3, 4, 5}
D. {1, 2, 3, 4}


Answer: C

Mathematics

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Solve the problem.An object at the end of a spring is immersed in liquid. Its velocity (in cm/s) is then described by the equation  where t is the time (in s). Find the displacement s as a function of t if s = -4 cm for t = 0.

A. s = -e-2t - e-8t - 
B. s = e-2t + e-8t - 
C. s = -e-2t + e-8t + 
D. s = -e-2t - e-8t + 

Mathematics

Solve the problem by integration.The current i (in A) as a function of the time t (in s) in a certain electric circuit is given by   Find the total charge that passes a given point in the circuit during the first three seconds.

A. 4.007 C B. 1.002 C C. 16.029 C D. 3.989 C

Mathematics

Solve the system by graphing. Check the coordinates of the intersection point in both equations.y = x + 5y = -x + 7

A. {(-5, 7)} B. {(1, 6)} C. {(5, -7)} D. {(6, - 1)}

Mathematics

Solve the equation by the square root property.3x2 = 33

A. {12}
B. {16.5}
C. {-11, 11}
D. {-}

Mathematics