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Demonstrates how to solve for a variable under the radical that needs to isolated first after entering the given value for the other variable in a formula.
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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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Given a value for the variable, here a quadratic expression is then calculated with that given value put in place of the variable.
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Demonstrations that emphasize the fact that a fraction bar acts like parentheses in that the each part of the fraction must be factored so that there is a product of factors on both top and bottomof…
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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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Describes a situation that can be written as a function of the number of weeks a certain amount it saved and the resulting functional value is the amount still needed to be saved to buy something. …
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Shows how to substitute values for the variable in a simple equation and determine what values, if any, make it equal.
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A discussion starting with where a single negative sign can be in a fraction, then finding common denominators in order to add or subtract the fractions.
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Simply dividing a fration - top divided by bottom, then taking the decimal value and changing it to a percent by multiplying by 100, and t hen finally rounding to the nearest tenth place of that…
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Using long division to change a proper or improper fraction to its decimal value - repeating or terminating are the only possibilities.
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Quick look at why and how we multiply decimals in this situation
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How counting zeros tells you how far to move the decimal point
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Just a quick review of how to round decimal numbers.
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An explanation of how decimal number places work, and some examples covered.
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This simply describes the conversion of the whole number part of a mixed number into a fraction with the same denominator as the original fraction part ao they can be added together.
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