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A particle is moving along the curve y=x^(1/2). As the particle passes through the point (4,2), its x-coordinate increases at a rate of 3cm/sec. How fast is the distance from the particle to the origin changing at this instant.
A surfboard manufacturing company has determined that the cost function c(x), in hundreds of dollars, for producing x hundreds of boards is c(x) = .2x^2 -.84x + 3.625.
There were 59 more student tickets sold than adult tickets. How many adult tickets were sold?
What is the probability that a freshman selected at random from this group is enrolled in an economics and/or a mathematics course.
Use the normal curve approximation to the binomial distribution.
A plot of the data points with the best-fit line is given below . What age is predicted by the best-fit line for s height of 70 inches ?
If a ball is thrown straight up into the air with an initial velocity of 45 ft/s, it height in feet after t second is given by y=45t-16t2. Find the average velocity for the time period begining when t=2 and lasting.
Binomial distribution with parameters, Suppose only 70% of all drivers in a certain state regularly wear a seat belt. A random sample of 500 drivers is selected. What is the probability that
Students are given three chances to pass a basic skills exam for permission to enroll in Calculus I. Sixty percent of the students pass on the first try; of those who fail on the first try, 54% pass on the second try; and, of those remaining, 48% ..
Determine which, if any, of the three statements are equivalent. Give a reason for your conclusion. Show complete work
Using the above sales numbers in for your toaster company in 2007 and 2009 and by showing your work using scientific notation, find the percentage growth or percentage loss between 2007 and 2009. (20% of grade)
During the first part of a trip, a canoeist travels 93 miles at a certain speed. The canoeist travels 11 miles on the second part of the trip at a speed 5 mph slower. The total time for the trip is 3 hrs. What was the speed on each part of the tri..
In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful?
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