A variable voltage in an electrical circuit is given by 
, where t is in seconds. Find the values of t when the voltage V equals 
.
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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In the given voting system, the weights represent, in order, voters A, B, C, and so on. Determine which voters are critical in the indicated coalition.[16 : 1, 5, 7, 9] ; coalition {A, C, D}
A. Only D is critical. B. Only C and D are critical. C. Only A is critical. D. None are critical.
Mathematics
Evaluate the improper integral or state that it is divergent. 
A. ln 2
B. - 
ln 2
C. ln 5
D. 
ln 6
Mathematics
Solve the problem.An order of award presentations has been devised for seven people: Jeff, Karen, Lyle, Maria, Norm, Olivia, and Paul. In how many ways can the first award be presented to Karen and the last to Lyle?
A. 120 B. 24 C. 360 D. 840
Mathematics
Simplify.2 - 7(-9)
A. 61 B. -45 C. 65 D. -61
Mathematics