Differentiate.sin x5
A. 5 sin x4
B. 5x4 cos x5
C. 5(sin x)4 cos x
D. 5x cos x5
Answer: B
Mathematics
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Divide using synthetic division.
A. m2 + 5m + 6 B. 7m2 + 4m + 4 C. m2 + 4m + 7 D. 7m2 - 4m + 4
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Find the least common denominator for the given set of denominators.6, 8, 10, 12
A. 60 B. 90 C. 108 D. 120
Mathematics
Solve the problem. Round your answer to two decimal places.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 28 volts are applied, the current is 4 amperes. What is the current when 10 volts are applied?
A. 70 amperes B. 42 amperes C. 7 amperes D. 1.43 amperes
Mathematics