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Explain why global agreement on actions to reduce greenhouse gas emissions is difficult to achieve?

Global agreement on actions to reduce greenhouse gas emissions is difficult to achieve due to the negative public perception of certain 'greener alternatives', the price of switching to renewable energy and ...
Answered by • Geography tutor
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Can you please explain how to expand two brackets, eg. (3x-7)(5x+6)

When I am expanding brackets I use the acronym FOIL and simplify. You begin by multiply the first term (F) in each bracket, followed by multiplying the outside terms (O), then the inside terms (I) and finall...
Answered by • Maths tutor
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Explore Hardy's presentation of Alec's desire in Tess of the D'Urbervilles

ardy broadly presents desire as a negative, disruptive force within the novel. This disruption emerges firstly from Alec's desire for Tess, which leads to her being raped in the section Maiden no More, as he...
KC
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Given that cos(x) = 1/4, what is cos(2x)?

cos(2x) = 2cos 2 (x) - 1 This is the identity. Therefore we can substitute in 2[cos 2 (x)] to be 2 multiplied by (1/4) 2 .Therefore cos(2x) = 2(1/4)(1/4) - 1 = 2/16 - 1 = 2/16 - 16/16 =1/8 - 8/8 = -(7/8).Ans...
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Answered by Bhumi K. • Maths tutor
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I know a lot of the content for my history exam but my marks are consistently poor. What do I need to do to improve?

In essay subjects such as history the way that you structure an essay is just as important as the facts that you know. Focus on understanding what the facts you know show about the society or people you are ...
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Answered by Amelia B. • History tutor
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