Find the number of proper subsets of the set.{0}

A. 0
B. 2
C. 4
D. 1


Answer: D

Mathematics

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Solve the problem.The base radius and the height of a cylindrical can tank were measured at 35 cm and 50 cm.The precentage errors in these measurements do not exceed 0.2% for the base radius and 0.7% for the height. Approximate the worst possible percentage error in the volume of the can. Assume that the sides and ends of the can are of negligible thickness.

A. 1.4% B. 1.1% C. 0.9% D. 1.8%

Mathematics

Solve the problem.Ohm's Law for electrical circuits is stated V = RI, where V is a constant voltage, R is the resistance in ohms and I is the current in amperes. Your firm has been asked to supply the resistors for a circuit in which V will be 11 volts and I is to be  amperes. In what interval does R have to lie for I to be within 0.1 amps of the target value 

A.
B.
C.
D.

Mathematics

Graph.f(x) = 4x + 1 - 2

A.

B.

C.

D.

Mathematics

Two movie theaters, UAI and UAII, start their movies at 7:00 P.M. The movie at UAI takes 60 minutes and the movie at UAII takes 90 minutes. If the shows run continuously, when will they again start at the same time? ? Be sure to include A.M. or P.M. in your answer.

What will be an ideal response?

Mathematics