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A cable weighing 0.8 pounds per foot is attached to a small 90-pound robot, and then the robot is lowered into a 40-foot deep well to retrieve a 7 pound wrench. The robot gets out of the well (carrying the wrench) by climbing up the cable with one end of the cable still attached to the robot. How much work does the robot do in climbing to the top of the well?
How many units of each model should National make each month in order to maximize its monthly profits? What is the optimal profit?
Calculate the value of the sample correlation coefficient between weekly sales & shelf space.
a man invests 20000at an annual interest rate of 7%, and 12000 at an annual interest rate of 7.5%. what was his annual income in the two investments?
What is the probability of getting at least 1 diamond in a 5-card hand dealt from a standard 52-card deck? 2. In a family with 3 children, excluding multiple births, what is the probability of having 2 boys and 1 girl, in any order? Assume that a b..
a building lot in a city is shaped as 30 degrees -60 degree -90 degrees triangle.the side opposite measures 41 feet. c. Find the sine, cosine, and tangent of the 30 degrees angle in the lot. Write your answers as decimals rounded to four decimal p..
He estimates the profit on his outlay including the manufacturing of rejected articles to be 20 %.Find the cost of manufacturing of each article.
find two other pairs of polar coordinates of the given polar coordinate, one with r > 0 and one with r
The instructions are as follows: write each equation in slope-intercept form and then find the slope and y-intercept.
Use the improved Euler method with h=0.05 to find approximate values of the solution of the given initial value problem at t=0.1,0.2,0.3, and 0.4 y'=3+t-y, y(0)=1.
One researcher wishes to estimate the mean number of hours that high school students spend watching TV on a weekday. A margin of error of 0.25 hour is desired. Past studies suggest that a population standard deviation of 1.7 hours is reasonable.
Explain how the pigeon-hole principle can be used to show that among any 11 integers, at least two must have the same last digit.
1) a) How many 16 bit strings of 0's and 1's contain exactly 7 1's? b) How many 16 bit strings of 0's and 1's contain at least one 1?
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