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For the curve C with equation y = x4 – 8x2 + 3. Find dy/dx

dy/dx= 4x 3 _ 16x
EP
Answered by Edward P. • Maths tutor
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What is continental drift?

The movement of tectonic plates due to convection currents under the earths crust.
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Answered by Aamir K. • Geography tutor
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Choose one scene from the live theatrical performance you saw. With reference to 3 specific moments in the performance of this scene, analyse how effective the acting in this scene was in creating mood and/or tension.

Begin with a short introduction in which you state the significance of the scene within the context of the play. It is important not to look at the scene in isolation. Excellent answers would include referen...
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Answered by Joseph P. • Drama tutor
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1 What do you understand from the article about the issues of food waste at Christmas? [8 marks]

Read Source 1, ‘It’s time to cut Christmas food waste’, by Rebecca Smithers. http://filestore.aqa.org.uk/sample-papers-and-mark-schemes/2016/november/AQA-ENG1H-INS-NOV16.PDF To answer this we need to show th...
GW
Answered by Gemma W. • English tutor
2068 Views

Richard wants to find out how often people buy crisps, a) name two things that are wrong with his survey question and b) create a better one

This is Richard's question on a survey: How often do you buy crisps? Often [ ] Sometimes [ ] Never [_] (a) Write down two things that are wrong with this survey question If you are writing a survey you shoul...
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Answered by Gemma W. • Maths tutor
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