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As the beaker is a cylinder, we know the formula of its volume is (pi x (radius)2) x height.
Since the radius = 1/2 diameter and the diameter = 10 cm, the radius = 5 cm.
This is a typical gradient question for A2 papers, as it requires use of the Product Rule and Chain Rule, as well as knowledge of e^x.
Firstly, we can see that we will need to use the Pro...
A simultaneous equation is an equation with 2 unknowns( X and Y). You will have 2 seperate equations. By adding or subtracting the 2 equations, eliminate one of the unknowns(X0). You are now left with ...
All that changing the subject of the formula means is basically getting a letter on its own on one side of the equation. To begin, let's take a relatively simple example.
Make x ...
There are 3 rules to answering Maths questions:
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