Perform the indicated operations.-12 - 9 - 4

A. -17
B. -7
C. -25
D. 1


Answer: C

Mathematics

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In the circuit below, IT = 48/-36è mA and R = 100 ê.


Find XC
IC
IR

Mathematics

Refer to the weighted voting system  and the Banzhaf definition of power. (The five players will be called P1, P2, P3, P4, and P5.)The number of winning coalitions having exactly two players is

A. 1 B. 5 C. 0 D. 10 E. none of these

Mathematics

Solve the problem.The present value that will give a future value S in 4 years with interest compounded annually varies inversely as the fourth power of 1 + r, where r is the annual interest rate. If the present value of $3.71 gives a future value of $5000, what would be the present value of $10,000? Round to the nearest dollar.

A. $7 B. $8 C. $45 D. $5

Mathematics

Use Bayes' rule to find the indicated probability.Two shipments of components were received by a factory and stored in two separate bins. Shipment I has 2% of its contents defective, while shipment II has 5% of its contents defective. If it is equally likely an employee will go to either bin and select a component randomly, what is the probability that a defective component came from shipment II?

A. 0.714 B. 0.222 C. 0.5 D. 0.2

Mathematics