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Evaluate $(2 \, \text{cis } 20^\circ)^3$.
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More Old MCQ
Orphaned Multiple Choice Questions (MCQ) due to changes of exam system.
From where he stands, one step toward the cliff would send the drunken man over the edge.
An airplane flew from Davao whose latitude is 14° N and longitude of 121° 30' E on a course of S 30° W and maintaining uniform altitude. At what longitude will the plane cross the equator?
Find the area enclosed by the curve $r^2 = 64 \cos 2\theta$.
The probabilities that three men hit a target are 1/6, 1/4, and 1/3, respectively. Each shoot once at the target.
vSk9ZBx-2 Find the uv-coordinates of the x-intercept of the given line.
Water evaporates at the rate of two liters per hour per one square meter of surface. How long will it take to evaporate 30 liters of water from a cylindrical swimming pool full of water with 6 m in diameter and 2 m depth?
sHh2p5G-2 The magnitude of the reaction at A (kN) is nearest to:
What is the integral of (3 cos^5 x) dx with limits from 0 to pi/2.
An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed, with mean equal to 800 hours and a standard deviation of 40 hours.
A pump discharges 50 ton of water per hour at the height of 8 m. The overall efficiency of the pumping system being 69%. Calculate the energy consumed by the pump in 2 hours, expressed in MJ.
To encourage Elmer’s promising tennis career, his father offers him a prize if he wins (at least) two tennis sets in a row in a three-set series to be played with his father and the club champion alternately:
There are three candidates for president of Silk Residences Condominium Unit Owners Association. The probability that Albert will be elected is 0.3, the probability that Bryan will be elected is 0.5 and the probability that Charlie will be elected is 0.2.
How many three-digit even numbers can be made out from the digits 1, 2, 3, 4, 5, 6, and 7 if repetition of digit is not allowed?
Xoc9dHk-2 How much work is done in winding-up the full length of the chain?
If the power of an engine grows by 10% when the number of its cylinders is increased by one, which of the following is closest to the ratio of the power of a 9-cylinder engine to that of a 12-cylinder engine?
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