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In a proportional equation, you represent the factor of proportionality as k. In this case it means that y=kx^2. In the question you're given a number for both y and x. Sub these in in order to solve for ...

No atoms are lost or made during a chemical reaction, so the total mass of the products is equal to the total mass of the reactants.

Take out all common factors, in this case only x. This leaves you with x(1-4x^2).Within the brackets you now have a quadratic equation which you can factorise. You need to find factors of -4x^2 that plus ...

By adopting a capital intensive workforce, the business will ensure consistency as machinery will have less defects than humans. As a result, it will mean that the business will make products with a consi...

Generally, in writing tasks you'll mainly be assessed on the accuracy of your grammar and how complex your language is without leaving out information. It is important to know basic grammar (i.e. verb con...