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How do I remember so many facts?

There are a lot of facts to remember at GCSE for History. The best way to make sure that you know the facts you want to by the exam is to start learning them early so that they go into your long term memory....
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Answered by Lucy V. • History tutor
3109 Views

What is producer surplus and when might it change?

Firstly, let’s consider the concept of producer surplus. This can be defined as the difference between the price producers are willing to supply their goods/ services at and the market price (the price they ...
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Answered by Olivia D. • Economics tutor
4993 Views

Solve the simultaneous equations: x + 2y = 13, 4x - 3y = 8.

Multiply both sides of the equation x + 2y = 13 by 4 to get 4x + 8y = 52. Subtract 4x - 3y = 8 from 4x + 8y = 52 to get 11y = 44. Divide both sides of 11y = 44 by 11 to get y = 4. Since we now know y = 4, we...
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Answered by Kate P. • Maths tutor
6029 Views

How would you solve (4y + 3)/5 + (3y+1)/2 = 4 for y?

The first step is to remove the fractions in the equation, as the equation is easier to solve when there are only whole numbers.To remove the first fraction we should times the entire equation by 5 ----> ...
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Answered by Nima S. • Maths tutor
3163 Views

What is the difference between '<' and '≤'?

'x &lt; 4' simply means that x is less than 4.2) However, x ≤ 4 means that it is less than or equal to 4. So if you have x = 3, 2, 1, 0 then the first term, 'x &lt; 4' appliesbut if x = 4, 3, 2, 1, 0 then th...
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Answered by Tom H. • Maths tutor
5590 Views