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This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.
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This example shows how to factor each denominator and then determine which of these factors are needed to create the least common denominator (LCD). Then the fractions are expanded by multiplying…
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This shows four examples just to cover a variety of "looks". There is at least one of each tyoe,
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Describes how to rearrange a simple formula with several variables so that a different and particular one is isolated.
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A somewhat fancierversion of seveal solving equation versions that should help solidify the process in your mind.
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Application of the equation relating the three sides of a right triangle:: a^2 + b^2 = c^2 where a and b are the shorter sides that make the rigiht angle and c is the lenght of the longest side.
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This is a quadractic equation that can be factored to solve it. The zero product property allows writing the factors each equal to 0 and then solving those linear equatioins.
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Just an exercise in testing whether an ordered pair makes an inequality statement true when plugged in for the variables.
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Shows how to convert Ax + By = C to y = mx + b then what and why the slopes for parallell and perpendicular lintes are what they are.
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