Average firmula - POCKET MATH FORMULA

Breaking

Home Top Ad

Responsive Ads Here

Post Top Ad

Responsive Ads Here

Wednesday, December 20, 2017

Average firmula

Average formula: 

Let a1,a2,a3,......,an be a set of numbers, average = (a1 + a2 + a3,+......+ an)/n

Fractions formulas: 

Converting an improper fraction to a mixed number:

Formula for a proportion: 



In a proportion, the product of the extremes (ad) equal the product of the means(bc), 

Thus, ad = bc

Percent: 

Percent to fraction: x% = x/100

Percentage formula: Rate/100 = Percentage/base

Rate: The percent. 
Base: The amount you are taking the percent of.
Percentage: The answer obtained by multiplying the base by the rate

No comments:

Post a Comment

Post Bottom Ad

Responsive Ads Here

Pages