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I recently read an obituary of Paul MacCready, the father of human powered aircraft. He invented the Gossamer Albatross.
How long, to the nearest minute, after the end of the race will the runner's pulse rate be 80 beats per minute?
Conjugate class.If H and K are conjugate subgroups, show that N(H) and N(K) are also conjugate.
A golf ball is hit at an angle a with the horizontal and moves under gravity with air resistance ?v per unit mass, where v is the velocity and ?>0 is a constant
Solve without graphing. Find the slope and the y-intercept for the graph of each equation in the given system
Cystal drove 110 miles at y miles per hour. She then increased her speed by 3 miles per hour and drove an additional 150 miles.
Car rental: Find and solve a system of equations. A major city car rental agency has a total of 2200 cars rented out of 3 locations
What is our discriminant for the quadratic equation x2 + x + 1 = 0? Do we have a solution to our quadratic formula for the case of a negative discriminant?
Graph both linear equations in the same rectangular coordinate system. Decide if the lines are parallel, perpendicular or neither parallel nor perpendicular:
How many zeros does this expression have? Exhibit those ordered pairs which constitute these zeros.
After t hours on a particular day, a freight train is s(t) = 20t^2 - (4/3)t^3 miles due east of its starting point
In each of parts (a) and (b), an operation *is defined over the set of natural numbers.For each operation, determine:
All boulders and rocks (large enough not to be buffeted by air current) appear to take the same time to hit bottom.
Give your own example of a function using a set of at least 4 ordered pairs. The domain will be any four integers between 0 and +10.
Systems of Equations.Solve the following systems of equations using the method outlined
Let X be a subset of R, let E be a subset of X, let x_0 be an adherent point of E, and let f: X-->R, g: X-->R, h: X-->R be functions such that f(x) <= g(x)
Jack usually mow his lawn in 6 hours. Marilyn can mow the same yard in 3 hours. How much time would it take for them to mow the lawn together?
Cholesky Decomposition.Let k and l be positive integers, and set n:= k + l. Suppose A ? Cnxn has the decomposition
Bob owns a watch repair shop. He has found that the cost of operating his shop is given by C(x) = 4x2-296x+85 , where c is cost and x is the number of watches
Estimate how much the sea level would rise if this ice cap melted (Source: Department of the Interior Geological survey).
Find a basis B of R such that the B-matrix B of the given linear transformation T is diagonal.
If the length of a rectangle is 3 feet longer than its width and the diagonal is 15 feet, find the dimensions (length & width). Show all work.
If the cost of a cell phone has decreased 400% during the past 10 years, does that correspond to a cost decrease of four times?
How many zeros does this expression have? What is the range of our quadratic expression?
5 outside of the square root symbol then 3 under the square root symbol plus 15 outside of the square root symbol then 3.