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The force of water in a river, and more specifically, in a waterfall, has the ability to carve and erode the banks of the river. This is known as hydraulic action. As water falls over a waterfall, it has ...

This is an example of a pythagoras. The student has to use the knowledge that the hypotenuse (longest side) is the square root of the sum of the squares of the known sides. In this instance, it would be 4...

To answer a problem question involving murder and voluntary manslaughter, you first need to identify whether the defendant has committed both the actus reus and mens rea of murder (D must have caused the ...

Use the elimination method to remove a common coefficient.

Multiply one of the equations to find a common coefficient, eg multiply the second equation by 2 to get 2x + 4y = 22, to reach the common ...

The equation is: 2x^2 - x -6 =0

step 1. (2x) and (x)  now you need to separate out this equation into two further brackets. You start with the highest power of X, in this case ...