t is the average number of weeds. The average is found by adding the total number of weeds for all three plots, then dividing that total by the number of plots. For example, ifplot #1 has 200 weeds, plot #2 has 180 weeds, and plot #3 has 274 weeds, the mean number of weeds for all three plots would be 218.
(200+180+274) divided by 3.
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A farmer might want to know the mean number of weeds in three plots of land. This number would be the average number of weeds on the farm. This number can be calculated by adding the number of weeds in all three plots, and then dividing by three.
A fair cube 60 times.
Density is typically the weight of an object divided by its volume. Convenient units are pounds per cubic feet, or grams per cubic centimeter. Density can also refer to number of objects per area (or volume). The population density of a city is the number of inhabitants divided by the land area.
3x^2 plus 5x
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