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Pythagoras became immortalised simply by finding a method for calculating the length of hypotenuse
The formula for calculating density is: Population density= Total population divided by total area. Simply, if you have a scientific calculator, do the population over area.
simply for fun
There are no special keys for this situation. You must simply apply the appropriate formulae.
Assuming var is variance, simply square the standard deviation and the result is the variance.
You need to know the principal amount, the rate and the time. Then a very simply formula for calculating interest is I = PRT where P is the principal amount, R is the interest rate and T is the period of time in years.
Yes, they simply refuse blood transfusions - all other procedures they accept
You can control the blaine of cement, which is simply the fineness of the cement mixture, by calculating it with an automatic air permeability test during production.
Is the land flat? if so you'd simply multiply the area of land by the depth of sand.
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Pythagoras, a greek mathematician living about 2600 years ago, became immortalised simply by finding a method for calculating the length of the hypotenuse without having to draw it out
A heart rate monitor isn't necessary, it's simply a nice thing to have but won't impact your workout at all.