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Firstly, take a common denominator for the left hand-side of the equation which would be 12 and then carrying out the subtraction. After carrying out the subtraction you will be left with two fractions - ...

It is a random and spontaneous change to DNA that can be inherited. Most mutations have no effect on the phenotype, however some have a small effect and rarely do some have a significant effect.

This is a simple simultaneous equationFirst we multiply the second equation by 3 to get 6X - 3Y = 30Then we add the first and second equation together to get 6X + X +3Y - 3Y = 30 + 19which we simply to 7X...

One nifty way of approaching this board topic is by focusing on how the speaker narrates by examining their writing style. An interesting line of enquiry is asking yourself: are the sentences they use sim...

We start by multiplying both sides of the equation by (4 -a). We then expand the brackets "p.(4-a)" and end up with "4p - pa". We then gather the "a's" to one side of the equ...