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base

In a percent proportion the whole quanity or the number to which the par is being compared ...part over ______

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cross products

if a/c = b/d then ad=bc

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discount

the amount by which the regular price of an item is reduced

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experimental probability

what actually occures in probability experiment

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outcomes

possible results of a probability event

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percent

a ratio that compares a number to 100

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percent equation

An equivalent form of percent proportion where % is written as a decimal Past = percent x base

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percent of change

the ratio of the increase or decrease of an amount to the original amount

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percent proportion

one of the numbers called the past is being compared to the whole quality called the base. Past/base= percent/100 or a/b=8/100

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probability

the ratio of the numbers of ways a certain event can accur to the number of possible outcomes. P(event)= nuimber of favorable outcomes/number of possible outcomes

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proportion

a statement of equality of two or more rations a/b=c/d

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ratio

a comparison of two numbers division

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sample space

the set of all possible outcomes

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scale

the relationship between the measurement on a srawing or model and the measurments of the real object

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scale drawing or scale model

a drawing that is used to repesent an object that is too loarge or too small. to be drawn at actual size.

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scale factor

the ratio of a length on a scale drawing model to the corresponding lengths on the real objext

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simple event

One outcome or a collection of outcomes.

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simple interest

The amount of money paid or earned for the use of money

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theoretical probability

What should occur in a probability experiment

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unit rate

when a rate is simplified so that it has a denominator of 1

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