an event that is sure to occur and has a probability of 1.
pay that is equal to a percent of sales.
the opposite of an event.
the product of the numerator of one fraction and the denominator of another.
the amount by which a price is decreased.
any outcome or group of outcomes.
an event that will never occur and have the probability of 0.
uses proportions in similar triangles to measure the distances that would be difficult to measure directly. (5ft. tall person standing near a tree has a shadow of 4 ft. long, the tree has a shadow 10 ft. long, you use this to find the height of the tree which is 12.5 ft.)
the amount of increase in price.
a ratio that compares the # of ways an event can occur (successes) to the # of ways it cannot occur (failures)
possible results of an action.
a ratio that compares a number to 100.
percent of change
the percent something increases or decreases from its original amount.
a measure of how likely it is that some event will occur
an equality of two ratios.
a ratio that compares quantities measured in different units.
a comparison of two quantities by division.
a drawing of an object that is different in size (usually smaller than the original) but keeps the same proportions
has corresponding angles that are congruent and corresponding sides that are in proportion
a rate that has a denominator of 1