# Math voc Kati

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Math voc. chapter 6

### base

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

### cross products

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

### discount

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

### experimental probability

what actually occures in probability experiment

### outcomes

possible results of a probability event

### percent

a ratio that compares a number to 100

### percent equation

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

### percent of change

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

### 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

### 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

### proportion

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

### ratio

a comparison of two numbers division

### sample space

the set of all possible outcomes

### scale

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

### 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.

### scale factor

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

### simple event

One outcome or a collection of outcomes.

### simple interest

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

### theoretical probability

What should occur in a probability experiment

### unit rate

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

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