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30 Cards in this Set
- Front
- Back
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Commission
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Money paid to a person or company for making a sale.
Ex. Selling a house the realtor gets a comission. |
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Unit rate
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A rate with a second quality of 1 unit.
Ex. 17 miles/ 1 gallon or 17 mi/gal |
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Contradiction
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An equation that is not true for any value of the variable.
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Tip
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An amount of money added to the bill of service.
Ex. You leave a waitress a tip for good service. |
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Conversion factor
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A rate such as 12 in/1 ft, in which the two quantities are equal but use different units.
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Solution of an equation
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Value of the variable that makes the equation true.
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Corresponding angles
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Two angles in the same relative position.
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Corresponding sides
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Sides of two figures are in the same relative position.
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Similar
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Figures have exactly the same shape but not necessarily the same size.
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Cross products
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In the statement a/b = c/d, the products a*d and b*c are cross products.
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Scale model
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Uses a scale to represent an object as smaller or larger than the actual object.
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Discount
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An amount by which an original price is reduced.
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Equation
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A mathematical statement that two expressions are equal.
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Formula
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An equation that states a rule for a relationship among quantities.
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Identity
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An equation that is true for all values of the variable.
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Indirect measurement
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A proportion involving similar triangles to find a length that is not easily measured.
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Interest
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The amount of money charged for borrowing money. Or the amount of money earned when saving or investing money.
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Principal
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The amount borrowed or invested.
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Literal equation
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An equation with two or more variables.
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Markup
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An amount by which an original price is increased.
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Percent
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Ratio that compares a number to 100.
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Percent change
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An increase or decrease given as a percent of the original amount.
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Percent increase
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Describes an amount that has grown.
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Percent decrease
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Describes an amount that has been reduced?
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Principal
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The amount borrowed or invested.
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Proportion
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Statement that two ratios are equivalent.
Ex. 1/12=2/24 |
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Rate
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Ratio of two quantities with different units such as 34 mil/2gal
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Ratio
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Comparison of two quantities by division.
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Sales tax
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A percent of the items cost
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Scale
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A ratio between two sets of measurements.
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