Solve the problem.The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 2 amperes when the resistance is 355 ohms. What is the current when the resistance is 570 ohms?
A. 3.2 amp
B. 0.8 amp
C. 0.31 amp
D. 1.2 amp
Answer: D
Mathematics
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A. True B. False
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Evaluate the function.Given f(x) = -
, find f(4).
A. -4 B. 8 C. -8 D. 4
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Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.11z + 7
A. Binomial, degree 0 B. Binomial, degree 2 C. Binomial, degree 1 D. Monomial, degree 11
Mathematics
Find the indicated matrix.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
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