Give the signs of the trigonometric functions.sin (658°)
A. -
B. +
Answer: A
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Find the gradient field of the function.f(x, y, z) = z sin (x + y + z)
A. ?f = -cos xi - cos yj + (sin z - z cos z)k B. ?f = z cos(x + y + z)i + z cos(x + y +z)j + (sin(x + y + z) + zcos(x + y + z))k C. ?f = -z cos(x + y + z)i - z cos(x + y +z)j + (sin(x + y + z) - zcos(x + y + z))k D. ?f = cos xi + cos yj + (sin z + z cos z)k
Find the percent. Round to the nearest tenth of a percent.$505.92 is what percent of $59.70?
A. 1.2% B. 847.4% C. 8474% D. 11.8%
Solve.If the resistance in an electrical circuit is held constant, the amount of current flowing through the circuit is directly proportional to the amount of voltage applied to the circuit. When 11 volts are applied to a circuit, 55 milliamperes of current flow through the circuit. Find the new current if the voltage is increased to 4 volts.
A. 25 milliamperes B. 1.25 milliamperes C. 20 milliamperes D. 151.25 milliamperes
Solve the problem.If $2000 is invested in an account that pays interest compounded continuously, how long will it take to grow to $3400 at 5.25%? Round to the nearest tenth.
A. 13.8 years B. 5.6 years C. 13.2 years D. 10.1 years