Provide an appropriate response.If A and B are outcomes for the same sample space S, must A' ? B' be an event of S?
A. No
B. Yes
Answer: B
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In the circuit below, Vin = 7 V, R = 250 ê, xC = 1000 ê at fr, and C = 90 pF. Find fr and Q.
a. fr = 3.1 MHz, Q = 10
b. fr = 1.8 MHz, Q = 4
c. fr = 1.8 MHz, Q = 1.8
d. fr = 1.2 MHz, Q = 6
e. fr = 1.0 MHz, Q = 4
Solve the problem.Book sales on the Internet (in billions of dollars) in year x are approximated by f(x) = 1.84 + 2.1 ? ln x, where x = 0 corresponds to 2000. How much will be spent on Internet book sales in 2008? Round to the nearest tenth.
A. 6.2 billion B. 8.0 billion C. 6.0 billion D. 3.9 billion
Perform the division.
A. -3x7y4 + 4x2y2 - 3 B. 3x7y4 + 4x2y2 + 3 C. 3x7y6 + 4x2y4 + 3y2 D. 3x9y6 + 4x4y4 + 3x2y2
Simplify the expression log5 175.
A. 35log5 2 B. 2 log5 7 C. 7 D. ?2 + log5 7 E. The expression cannot be simplified.