Provide an appropriate response.In an equation, unknown quantities are called:
A. constants
B. fraction bars
C. symbolic statements
D. variables
Answer: D
Mathematics
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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. 1.39 L/R seconds B. 0.29 L/R seconds C. 0.49 L/R seconds D. 1.59 L/R seconds
Mathematics
Write the number in decimal notation without the use of exponents.5.46 x 100
A. 54.6 B. 1 C. 0 D. 5.46
Mathematics
(3ax2)(4b2z)(7a2z) =
a. 84a2b2x2z b. 84a3b2x2z2 c. 84a3b2x2 d. 14ax2bz2 e. 10a3b2x2z
Mathematics
Write as a percent.
A. 6.875% B. 68.75% C. 145.4545% D. 0.6875%
Mathematics