Solve the problem.The annual precipitation for one city is normally distributed with a mean of 399 inches and a standard deviation of 3.3 inches. In what percentage of years is precipitation in the city between 392.4 inches and ?

A. 97.5%
B. 68%
C. 99.8%
D. 95%


Answer: D

Mathematics

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Solve the problem.Find the current I as a function of time in an RCL circuit if R = 103 ?, L = 0,  and  Assume that  and  at  (when the switch is closed).

A. I = 4 × 10-3 e-0.25t B. I = 4 × 10-3 e-t C. I = 1.6 × 10-2 e-t D. I = 1.6 × 10-2 e-0.25t

Mathematics

Refer to the figure and provide an appropriate name for the indicated angles. ?6 and ?7

A. Alternate interior angles B. Complementary angles C. Right angle D. Supplementary angles

Mathematics

Solve for x and graph the solution.-9x - 1 > -10x - 11

A. x > -10 

B. x ? -12 

C. x ? -12 

D. x < -10 

Mathematics

Solve for the variable.1.2x = 0.048

A. 0.0004 B. 0.04 C. 0.4 D. 0.004

Mathematics