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Which is preferable inflation of deflation? (25 marker)

The key to getting into the top band of the mark scheme for 25 markers is to show sustained evaluation throughout the response.A very useful formula for answering these sorts of questions is to start with so...
Answered by • Economics tutor
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Which influenced Charlemagne more his dealings with Byzantium or with the Anglo-Saxons? (10 Marks)

This is a standard 10 mark question in the unit 2 of OCR A-Level History. The key is to not spend too long on the 10 marker as you can get near full marks by writing two solid paragraphs on each segment of t...
Answered by • History tutor
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What is the law of demand?

The law of demand states that quantity purchased varies inversely with price. In other words, the higher the price, the lower the quantity demanded and vice versa. This occurs because of diminishing marginal...
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Answered by Hari M. • Economics tutor
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Show that the points on an Argand diagram that represent the roots of ((z+1)/z)^6 = 1 lie on a straight line.

We want to simplify this equation to one that we know how to solve. If we let ((z+1)/z) = w, then we need to solve w^6 = 1, which is more familiar. Now we try to find the modulus and argument of w. w = re^(i...
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What is important for a good language essay?

Structure Firstly, you need to ensure that your essay fully engages with and clearly answers the question that has been asked. Ensure that all of your answer links back to the question - re-using a word from...
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Answered by Maya P. • Italian tutor
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