Determine current of river and speed of ship in still water
The river boat can head 340 miles up-river in 19 hours, but return trip takes only 14 hours. Determine current of river and determine speed of ship in still water to nearest tenth of the mph.
Expected delivery within 24 Hours
Find out the probability that the sample of 49 boxes will have a mean weight below 365 grams. Past records show that population mean is 368 grams and population standard deviation is 7. The probability will be between.
Another motorcycle leaves same gas station an hour later. Second motorcycle overtakes first motorcycle in four hours. Find rate of every motorcycle?
Distance s (in feet) of ball from ground after t seconds is s=112+96t-16t^2. After how many seconds will ball pass top of building on its way down?
The plane took one hour longer to travel 560 miles on first portion of the flight than it took to fly 480 miles on second portion. If speed was same for every portion, find flying time for second part of trip?
At 6:00 p.m., two trains were 490 miles apart. Determine rate of each train if northbound train traveled 15 miles per hour faster than southbound train.
Infeasibility in a linear programming problem occurs when
Consider the following linear programming problem:
Which of the following points (X,Y) is not a feasible corner point?
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Oscar tested whether an individual's political affiliation varied by how many years of college education an individual had attained. What is Oscar's dependent