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1) A tank of water has a base a circle of radius 2 meters and vertical sides. If water leaves the tank at a rate of 9 liters per minute, how fast is the water level falling in centimeters per hour? [1 liter is 1000 cubic centimeters]_________
2) Car A leaves the Grand Canyon at noon. It travels at 40 mph, but stops at 3 pm for an hour. Car B leaves the Grand Canyon at 2 pm and travels at 50 mph without stopping on the same route as car A. When does Car B catch up with Car A?
3) A car travels 330 miles in 6 hours. It travels at 50 mph for the first two hours and travels the last 180 miles at 60 miles per hour. It travels at constant speed for the remaining time.
(a) How long did it take to travel the first 150 miles? _____ hours
(b) Where was the car after 3 hours? ______miles from the start
It would normally follow on from work on sequences and fractions-Ruth was investigating fraction differences. She wrote down this sequence of fractions:
In spring 2006 the average monthly rent was $1,355, an increase of 3.6percent from 2005. What was the average monthly rent in 2005.
An urn contains 15 red numbered balls and ten white numbered balls. A sample of five balls is selected.
A rectangular plot of farmland will be bounded on one side by a river and on the other three sides by a sinle-strand electric fence. With 1000 meters of wire at your disposal,
Calculate the mean and standard deviation (by hand) for the MINITAB created binomial distribution with the probability of a success being ½. Either show work or explain how your answer was calculated. Mean = np, Standard Deviation =
What must the width of this lawn be, and what are the dimensions of the factory?
Now, for the same J-shaped member, determine MAx, MAy, and MAz, the couple moments at the support about the x, y, and z axes, respectively, required to keep the system in equilibrium. The cylinder weighs WB = 5.40lb ; a vertical force F = 1.70lb a..
Check the exact difference by adding the difference and the subtrahend. The sum should equal the minuend.
Suppose the number of animals at the local zoo is estimated to be 1250. If this number decreases by 7% each year, find the number of animals
he distribution of ant mounds on a farm can be accurately modeled by a Poisson distribution.
Show that among n+1 positive integers not exceeding 2n there must be an integer that divides one of the other integers by using pigeon hole principle.
PURCHASING A HOME Refer to Exercise. If local mortgage rates were increased to 8%, how would this affect the price range of houses that the Johnsons.
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