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Using the eqauation for volume of sphere (V=4/3 pi r^3) calculate the volume of the original sphere. This comes to 14137.2 cm^3 (1dp). The new cylinder formed has the same volume. Therefore, you can use the ...

The difference between the Italian imperfetto and passato prossimo can be tricky but it is important to understand it well and to demonstrate its correct use at GCSE level. We use passato prossimo for: -acti...

First of all, read the question twice. Then, using a highlighter, highlight the key words of the question (one to four terms which are at the core of the question. E.g. " Analyse the success of Alexande...

-Hydraulic action of the water erodes the banks of the river -Small pieces of sediment carried by the river erode the banks via abrasion -River beds and banks are erodes through corrosion caused by dissolved...

The derivative of a function f(x) is a measure of how the function f changes as its variable x changes. You have already met an example of derivatives: the gradient, m , measuring the rate of change of f(x) ...