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Question: 1. A 200-lb weight is attached to a 20-foot rope and dangling from the roof of a building. The rope weighs 2 lb/ft. Find the work done in lifting the weight to the roof.
2. A rectangular water tank has length 20 ft, width 10 ft, and depth 15 ft. If the tank is full, how much work does it take to pump all the water out?
Consider the following supply schedule for apartments in a local market.
is there a significant difference in automobile insurance rates in different cities of comparable size in the u.s.? to
Find the expected value E(X), the varianceVar(X) and the standard deviation σ ( X ) for each of the density functions.
Karla Harby Communications, a small company of science writers, found that its rate of profit (in thousands of dollars) after t years of operation is given by the function
Research on genetic influences on personality suggests that more than half of the variation in personality is due to nurture-to life experiences. What life experiences could make someone more conscientious? More agreeable? More neurotic? More extr..
the aera of a rectangular wall in a classroom is 126 square feet. it lenght is 3 feet shorter than three times its width. find the length of the wall of the classroom.
Krispy Krunch cereal is 49% sugar. About how many ounces of sugar are in a 16-ounce box of Krispy Krunch?
write your answer in words, labeling units as necessary. Hank bicycles 5 km/hour slower than Kelly. In the time that it takes Hank to bicycle 42 km, Kelly can bicycle 57 km. How fast does each bicyclist travel?
Write and solve a system of equations to represent the cost y of x fish and an aquarium at each store. b. Solve this system using substitution or elimination.
There is only one kind of manager in the EMPMULT program in this chapter. Any serious company has executives as well as managers.
The tax rate of Mishthosi is 30% and its cost of capital is 10%. Compare the option of buying and leasing to help the company decide which alternative they should choose.
A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following couldnotbe the length of the fence in feet? (12 inches = 1 foot)
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