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A lottery has one $2000 prize, two $1000 prizes, and ten $500 prizes. Two thousand tickets are sold at $5 each. Find the expectation if a person buys two tickets.
-$0.50 -$1.00 -$2.00 -$0.25
a car is traveling along a straight level road at 45 mph (66 ft/s). when the driver is forced to apply the breakes to avoid accident. if the breakes supplied a constant deacceleration of 22 ft/s^2. how far does the car travel before coming to a co..
A certain type of bacteria can double its numbers every 20 minutes. Suppose 100 of these cells are in one culture dish and 250 of the cells are in another culture dish. Write and evaluate an expression that shows the total number of bacteria cells..
find the limit of the sequence {an} = 3n^2+1/n^2-2. also, does the sequence converge or diverge and why? does the series converge or diverge and why?
roadrunners charges $20 per day plus $0.50 per mile to rent the same truck how many miles must be driven in a day to make the rental cost for basic rental a better deal than that for roadrunners
Assume that the number of highway miles that can be graded , is a function of both the hours of labor and of the number of machines. Find the minimum cost of grading 20 miles given that the hourly rates for labor and machines are $ and $.
Determine the circumference of a circle circumscribed about a square, an equilateral triangle, a regular hexagon, a right triangle
A plane flying into a headwind travels 216 miles in 2 hours and 42 minutes. The plane does the return flight in 2 hours. Find the speed of the plane and of the wind.
A toy rocket is launched straight up from the top of a building 64 ft tall at an initial velocity of 243 ft per sec. Using the function V(x)=-16t^2+vt+h, answer the following.
In a class election with five candidates, the winner defeated the other four canditates by 17,18,25, and 31 votes respectively. If 99... In a class election with five
from a boat on the lake, the angle of evelvation to the top of a cliff is 29 degrees and 26 minutes. if the base of the cliff is 1878 feet from the boat, how high is the cliff?
A right triangle is a triangle with one angle measuring 90? In a right triangle, the sides are related by Pythagorean Theorem, , where c is the hypotenuse (the side opposite the 90?angle).
What is the difference between a scatter plot and a line graph? Provide an example of each. Does one seem better than the other? In what ways is it better?
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