Solve the problem.An electric circuit contains an inductor, a resistor, and a voltage source of 
The resulting differential equation relating the current i and the time t is 
Find i after 0.8 seconds by Euler's method with ?t = 0.2 s if the initial current is zero.
A. 0.18 A
B. 0.17 A
C. 0.15 A
D. 0.20 A
Answer: B
Mathematics
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Express in terms of sums and differences of logarithms.log8
A. log819 + 
log8r - log8s
B. log8(19
) - log8s
C. log8s - log819 - 
log8r
D. log819 ? 
log8r ÷ log8s
Mathematics
Simplify the expression.
A. 
B. 
C. 
D. 31
Mathematics
Solve the problem.If March 7 falls on Tuesday, what are the dates of the other Tuesdays in March?
A. 15, 22, 29 B. 14, 22, 28 C. 14, 21, 29 D. 14, 21, 28
Mathematics
Solve the problem.Jeff Rakhnovich has a simple discount note for $35,000 at an ordinary bank discount rate of 7%, for 60 days. What is the effective interest rate? Round to the nearest hundredth of a percent.
A. 7.08% B. 1.77% C. 1.18% D. 8.17%
Mathematics