Solve the problem.The drop in voltage, E, across two terminals in an electrical circuit using alternating current, is described by the equation  where t is time in seconds. Find the maximum voltage drop.

A. 115.5
B. 31
C. 71
D. 75.5


Answer: C

Mathematics

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Add. 3 + 2 + (-6)

A. -5 B. 7 C. 11 D. -1

Mathematics

Provide an appropriate response.Use the map to represent the relation as a set of ordered pairs. 

A. {(Mr. Bar, Bob), (Ms. Lee, Ann), (Ms. Lee, Dave)} B. {(Bob, Ms. Lee), (Ann, Mr. Bar), (Dave, Mr. Bar)} C. {(Bob, Mr. Bar), (Ann, Ms. Lee), (Dave, Ms. Lee)} D. {(Ms. Lee, Bob), (Mr. Bar, Ann), (Mr. Bar, Dave)}

Mathematics

Solve the system of equations by using the inverse of the coefficient matrix. x - y + 4z = 175x + z = 5 x + 2y + z = 11

A. x = 5, y = 0, z = 3 B. x = 5, y = 3, z = 0 C. x = 0, y = 3, z = 5 D. No inverse, no solution for system

Mathematics

Convert as indicated. Round to the nearest tenth of a degree, if necessary.47°F to degrees Celsius

A. 52.6°C B. 43.9°C C. 116.6°C D. 8.3°C

Mathematics