Solve the problem.How many seconds after the switch in an RL circuit is closed will it take the current i to reach 
of its steady state value? Express answer in terms of R and L and round coefficient to the nearest hundredth.
A. 0.51 L/R seconds
B. 0.92 L/R seconds
C. 1.12 L/R seconds
D. 0.71 L/R seconds
Answer: A
Mathematics
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Solve.5y2 - x2 = 1xy = 2
A. (2, 1)
B.
| No real solution exists |
C. (2, 1), (-2, -1)
D. (-2, -1)
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Subtract.(7x5 + 3x7 + 7 + 9x6) - (2 + 6x6 + 8x7 + 9x5)
A. -5x7 + 15x6 + 16x5 + 9 B. 11x7 + 15x6 + 16x5 + 5 C. -5x7 + 3x6 - 2x5 + 5 D. 11x7 + 15x6 + 16x5 + 9
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Solve.In a biology class, the following test scores were recorded for a student: 85, 77, 73, 73, 85, 87. Find the mean, median, and mode for the data.
A. mean: 81, median: 80, mode: 85 B. mean: 81, median: 81, mode: 73 C. mean: 80, median: 81, mode: 73 and 85 D. mean: 80, median: 73, mode: 87
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Write the percent as a fraction in simplest form.2.35%
A. 
B. 
C. 
D. 
Mathematics