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What is the formula for measuring earthquakes? Why is a 7.0 earthquake ten times stronger than a 6.0 earthquake?
Find the square norm of the problem along with the eigenvalues and eigenfunctions.
Rectangular beam has cross sectional area of 2" x 4". The beam is subjected to a longitudinal compressive force of 6000 lbs.
Give an example of an exponential function. Convert this exponential function to a logarithmic function, then plot the graph of both functions.
When using the quadratic formula to solve a quadratic equation (ax2 + bx + c = 0), the discriminant is b2 - 4ac.
While the radical symbol is widely used, converting to rational exponents has advantages. Explain an advantage of rational exponents over the radical sign.
It can be shown that R (the set of all real numbers) is an infinite-dimensional vector space over Q (field of rationals).
The Science club is holding an election for president of the organization. Each member ranks the candidates from first to third.
After their star pitcher moved to another town, the eight remaining members of the company baseball team needed to select a new pitcher.
The formula for calculating the amount of money returned for an initial deposit money into a bank account or CD (Certificate of Deposit).
For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time.
Using the index of a sequence as the domain and the value of the sequence as the range, is a sequence a function?
Callaway Golf Company has determined that the daily cost C of manufacturing x Big-Bertha-type gold clubs may be expressed by the quadratic equation.
Brent is flying a kite on 50 feet of string. The kite's vertical distance from Brent is 10 ft more than its horizontal distance from Brent.
How many liters of a 70% alcohol solution must be added to 50 liters of a 40% alcohol solution to produce a 50% alcohol solution?
A designer attempts to arrange the characters of his artwork in the form of a square grid with equal numbers of rows and columns.
A rectangular painting with a width of x centimeters has an area of x^2 + 50x square centimeters. Find a binomial that represents the length.
Find the x-intercepts for the parabola y = -2x2 + 10x - 5. Find the y-intercept for the parabola y = x2 - 3x + 10.
How much total grain would the traveling salesman receive if the checkerboard only had 24 squares?
Determine the point A(x, y) so that the points A(x, y), B(0, 3), C(1, 0), D(7, 2) will be the vertices of a parallelogram.
A 5% solution of a drug is to be mixed with some 15% solution and some 10% solution to get 20 ml of 8% solution.
Suppose F varies jointly as x and y and inversely as z squared. If F is equal to 18 when x = 4, y = 3 and z = 2.
Suppose you travel north for 65 kilometers then travel east 75 kilometers. How far are you from your starting point?
A raffle offers first prize of $1,000, 5 second prizes of $300 each, and 25 third prizes of $10 each.
Square root of x cube = 27 Is the square root of x square = x an identity (true for all nonnegative values of x).