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Kenneth G.'s Resources

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The base cause of the Berlin Crisis was that the Soviets were loosing valuable professionals and other citizens who emigrated across the boarder in Berlin because people did not want to live under Soviet rule.  (reference: http://en.wikipedia.org/wiki/Berlin_Crisis_of_1961)

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This is a multiple-choice question - the type you find on standardized tests like the SAT. Your approach should be to answer the question as quickly as possible without worrying about understanding details. Rule #1: On a multiple-choice question, your first step is not to work the problem...

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Michael,   You are correct, it's not an identity.     You've created a counterexample, which is a valid way to prove that something is false.     By the way, was this presented to you as an identity? Or is the idea to find which x makes it a true...

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Trigonometry (answer)

start with the identity tan2θ + 1 = sec2θ   substituting, 2(sec2θ - 1) = 5 secθ + 10  giving an equation in secθ.   substituting x = secθ   2(x2 - 1) = 5x + 10,   2x2 -5x -12 = 0   Using the quadratic formula,  x...

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Strategy is king on tests like the SAT, GRE or ACT.   After preparation, the most important thing to getting the highest score is to develop a strategy long before you take the test.   The reason for the importance of strategy is that these tests are timed.   What changes when a test is timed?  What changes is there is a premium on answering as many questions as possible... read more

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Assumptions make up the basic fabric of Mathematics.  Every problem in mathematics makes assumptions.   As a student, when you see a problem on a test or in homework, the first thing you need to do is figure out what assumptions the question writer has in mind.  It may be that a problem has multiple solutions, and knowing the assumptions will allow you a better chance... read more

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This is a confusing problem because it can be read in a number of ways.  Depending on how you read it, you don't  know a lot of things.  For example,   (1) The problem says that "you" paid $1 per ticket for 1000 tickets.  It does not say that "you"...

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