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When writing essays you should always think PEEL. One of the most frequent and very avoidable mistakes is not actually answering the question that has been asked; the PEEL structure will ensure you avoid thi...

The important thing here is to try and find the bottom bracket in the top bracket ie the numerator Notice that (3x-3) can be divided by 3 and therefore (3x-3) can be written as 3 multiplied by (x-1) Notice t...

First, we can temporarily make this an equation rather than an inequality to make it easier to solve. We replace the “<” with an equals sign “=”. The inequality now becomes an equality: 2x - 10 = 6 - 2x. ...

Atomic radius increases down a group in the periodic table. This can be explained by a phenomenon called electron shielding. As the number of electron shells is increased down the group, the attraction betwe...

The mean is the total of the numbers divided by how many numbers there are. So to find the mean of six, we need to add three numbers together, divide those three numbers by three and get six. This sounds tri...