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How do automatic stabilizers work?

Automatic stabilizers are a form of autonomous adjustment that the economy does in booms and recessions. To understand automatic stabilizers we need to first know how fiscal policy works and know what a busi...
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Answered by Giorgio O. • Economics tutor
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Why is the derivative of 2^x not x*2^(x-1)?

That technique for calculating derivatives only works for polynomial terms, that is terms of the form x^n, where n is some number. Here though our variable x is in the exponent, and so the term is not polyno...
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Answered by Josh G. • Maths tutor
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"'Gladstone's attack on Disraeli's foreign policy was the most important reason for the Conservative defeat in the 1880 election.' How far do you agree? [50]" - How would one write an introduction to this essay question?

The introduction of an essay of this nature should aim to answer the question in relatively simplistic terms, in order to provide a basic outline which can be elaborated on throughout the body of the essay. ...
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Answered by Edward G. • History tutor
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Change of subject question. Make 'a' the subject of the formula v = u + at.

Rule: An equation must be balanced. Therefore, in order to keep the equation balances, what you do to one side you must do to the other side. Change of subject questions require you to isolate the required l...
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Answered by Sherin W. • Maths tutor
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Discuss the advantages of judicial precedent. (10 marks)

A sound answer should discuss, at minimum, three of the points mentioned below, supported by a case example where appropriate. Certainty - a judge ultimately has to reach a decision in a case, and lawyers ca...
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Answered by Eva R. • Law tutor
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