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Factorise and solve x^2 - 8x + 15 = 0

The question gives you a hint on how to go about this question - Factorise!! 1) Factorise the left hand side . Find the two numbers which will add to give -8 and multiply to give 15. In this case, -3 and -5....
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Answered by Kieran N. • Maths tutor
6249 Views

How do I analyse a source?

By exploring the following areas of the source, you can follow a general structure that can be applied to all source analysis. The depth of analysis depends on how much there is to say about a source, but in...
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Answered by Kieran N. • History tutor
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What is the difference between a series circuit and a parallel circuit?

In a series circuit, the electrons passes through each component in order before returning to the cell. In a parallel circuit, there are different paths for the electrons to take so the current splits depend...
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Answered by Ewan H. • Physics tutor
15123 Views

There are 200 students in Year 10 110 are boys. There are 250 students in Year 11 140 are boys. Which year has the greater proportion of boys? (Taken from Nov 2014 AQA Unit 2)

To work this out we need to calculate the percentage of boys in year 10 and year 11. Then we can compare them to find which year has the greater proportion of boys.For Year 10 there are 110 boys out of 200 s...
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Answered by David S. • Maths tutor
6813 Views

What is the subjunctive and when should it be used?

The subjunctive is a mood (not tense) used fairly commonly in Spanish. It can be formed in the present and past tenses (the present form of subjunctive is used when talking about the future also). At GCSE le...
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Answered by Kieran N. • Spanish tutor
9819 Views