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1/3 + 3/4 

First we make the denominator the same. i.e: we would multiple 1/3 by 4 and multiply 3/4 by 3 in order to get the same denominator.

4/12 + 9/12. 

Now you can add the numera...

The circulatory system is described as being "dual", which means that blood passes through the heart twice for each complete circuit of the body, once to the lungs, and once to the rest o fthe b...

First of all, transform both z₁ and z₂ into modulus-argument form. To obtain that form, you are going to need a modulus (the length of the hypotenuse on the Argand diagram) and argum...

Change in velocity is 30m/s Acceleration is equal to the change in velocity / time taken a = 30/10 = 3m/s²  

One of the easiest way, in my opinion, is to learn how languages often follow a common scheme of cases.

Nominativ, Accusativ, Dativ and Genitiv are the most impor...