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Determine the number of subsets of the set B = {a, b, c, d, e, f, g, h, i} , without writing them down.
A disc jockey must play 14 commercial spots during a 1 hour radio show. Each commercial is either 30 seconds or 60 seconds long.
In 1920 the record for a certain race was 46.8 sec. In 1970, it was 45.8 sec. Let R(t)= the record in the race and t= the number of years since 1920.
The perimeter of a rectangle is 60m. The length is 9m more than twice the width. Find the dimensions.
Assume that f is differentiable for each x?D?R and there exists M>0
If you're feeling really motivated, please give an example equation with your example.
Factor each trinomial using the AC method. Factoring a difference of two fourth powers.
Initial deposit was 2,000 for 5 years at a rate of 8 percent. If a bank compounds continuously, then the formula used is A= Pe rt
Greatest Common Factor for Monomials. Find the greatest common factor for each group of monomials.
One side of a rectangle is 2 meters longer than the other. If the diagonal is 10 meters, what are the lengths of the sides?
Worker efficiency. In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average.
A simple example of the use of De Morgan's Law.Can anyone show me a simple definition of De Morgan's Law
What similarities and differences do you see between functions and linear equations studied?
Solving system of linear equations.Solve he following equation by the quadratic formula :
There is a sales tax of $9 on an item that costs $125 before tax. The sales tax on a second item is 20. 55 . How much does the second item cost before tax?
Systems of equations can be solved by graphing or by using substitution or elimination
These are two examples, one specific, and one more general, where you are given y as a function of x, and we want to find what x is in terms of y.
Solving system of equation by using elimination.Elimination method
We encounter rational expressions all the time in the real world, often without even realizing it.
Solving system of linear equations using substitution method.Solve with substitution
Gauss-Jordan elimination to solve system of linear equations.Use the Gauss-Jordan Method to solve each of the following systems of equations.
Use the simplex method to solve the following exercises.
The linear equation represents an estimate of the average cost of gas for year x starting in 1997
Make an input-output table for the function rule. Use a domain of -10,-5,0,5, and 10. Identify the range.
Write the co-ordinates of the intersections of lines M and N with the x-axis.