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Question: 1. How many ways are there of arranging 16 football teams into four groups of four?
2. A class contains 30 pupils. For a chemistry project, the class is to be put into four groups, two of size 7 and two of size 8. In how many ways can this be done?
3. In the early versions of the Enigma ma chine, used in Germany in the 1930s, the plugboard swapped six pairs of distinct letters of the alphabet . In how many ways can this be done (assuming 26 letters)?
justin had $33 dollars before spending n dollars on jeans. How much money remains?
a ball is dropped from a bridge at an initial height of 70 meters. what is the height of the ball to the nearest tenth of a meter exactly 2 seconds after he realeases the ball? how many seconds after the ball is released will it hit the ground?
On each play the probability of winning is 0.432 and of losing 0.568. If the gambler begins with $2, what is the expected number of times that he will play before quitting? (Round your answer to 3 decimal places.)
At the Evans Formal Wear department store, all suits are reduced 20% from the retail price. If Charles Stewart purchased a suit that originally retailed.
Let A ? Hn×n. Show that if there exists B ? Hn×n such that BA = I, then A is invertible and B = A-1.
Financial Planning After 2 years, Betsy (see Problem 23) finds she now will require $7000 per year. Assuming that the remaining information is the same, how should the money be reinvested?
If Teague Company sells the machine on January 1, Year XXX3 for $120,000, how much loss or gain would that result in using straight-line method, units of production method and double-declining balance method of depreciation.
Find an equation of the tangent to the curve at the given point by both eliminating the parameter and without eliminating the parameter.
What is the probability that a randomly chosen employee is a manager and will gain promotion next year?
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.01, what are the odds against a direct hit?
Most insurance companies will replace a vehicle any time an estimated repair exceeds? 80% of the? "blue-book" value of the vehicle.? Michelle's insurance company paid?$6300 for repairs on her car after an accident. What can be concluded about the?..
the set of data is from a sample of n712 7 4 9 0 7 3a.calculate the mean median and modeb.calculate the range
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