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Question | Answer |
---|---|

commission | Money paid to a person or company for making a sale, usually a percent of the sale amount. |

contradiction | An equation that has no solutions. |

conversion factor | The ratio of two equal quantities, each measured in different units. |

corresponding angles | Angles in the same position in two different polygons that have the same number of angles. |

corresponding sides | Sides in the same position in two different polygons that have the same number of sides. |

cross products | In the statement a/b = c/d, bc and ad are the cross products. |

discount | An amount by which an original price is reduced. |

equation | A mathematical statement that two expressions are equivalent. |

formula | A literal equation that states a rule for a relationship among quantities. |

identity | An equation that is true for all values of the variables. |

indirect measurement | A method of measurement that uses formulas, similar figures, and/or proportions. |

interest | The amount of money charged fro borrowing money or the amount of money earned when saving or investing money. |

literal equation | An equation that contains two or more variables. |

markup | The amount by which a wholesale cost is increased. |

percent | A ratio that compares a number to 100. |

percent change | An increase or decrease given as a percent of the original amount. |

percent decrease | A decrease given as a percent of the original amount. |

percent increase | An increase given as a percent of the original amount. |

principal | An amount of money borrowed or invested. |

proportion | A statement that two ratios are equal. |

rate | A ratio that compares two quantities measured in different units. |

ratio | A comparison of two quantities by division. |

sales tax | A percent of the cost of an item that is charged by governments to raise money. |

scale | The ratio between two corresponding measurements. |

scale drawing | A drawing that uses a scale to represent an object as smaller or larger than the actual object. |

scale factor | The multiplier used on each dimension to change one figure into a similar figure. |

scale model | A three-dimensional model that uses a scale to represent an object as smaller or larger than the actual object. |

similar | Two figures are similar if they have the same shape but not necessarily the same size. |

solution of an equation | A value of the variable that makes the equation true. |

tip | An amount of money added to a bill for service; usually a percent of the bill. |

unit rate | A rate in which the second quantity in the comparison is one unit. |

Created by:
bookannelid
on 2009-07-28

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