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This is a basic question that many GCSE student struggle with, the key way to answer this question is to develop a strong technique, understand the process and stick to it!What two number when timed together...

I will draw this on the whiteboard function.

Crude oil is made of many hydrocarbons that can have differing lengths . A hydrocarbons length determines it's boiling point due as a higher number of atoms in the chain means it has more Van Der Waals force...

Personification is when writers give human characteristics to anything that is non-human. For example, objects, ideas, or animals. This can have a powerful descriptive effect for the reader. For example 'the...

Notice that the inequality may be rearranged to give the quadratic x^2 + 8x - 9 < 0.Factorise the quadratic to give (x-1)(x+9) < 0.Treating the expression as an equality, recall that if the product of ...