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y = 2t^2, and x = 3t^3 - 2. Find dy/dx in terms of t.

dy/dt = 4t dx/dt = 9t^2dy/dx = dy/dt * dt/dx= 4/(9t)
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Answered by Theo M. • Maths tutor
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How can I achieve a good grade in this subject?

There are multiple things you can do to achieve a good grade in Sociology. Remember the names of different sociologists and their perspectives (I can recommend apps that will help with this) Perfect a writin...
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Answered by Lauren D. • Sociology tutor
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If I throw a ball, of mass 2kg, straight up in the air, with velocity 10ms-1, how long until it lands? Assume gravity = 10ms-2

Using SUVAT-s = ut + 1/2 at^2Subbing in... 0 = 2t - 5t^2t = 5/2 = 2.5
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Answered by Theo M. • Maths tutor
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How should I revise?

It is dependent upon the course and whether you need to focus on Language or Literature. One of the most important things is to become familiar with the material. For example, if it is a book it is vital to ...
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Answered by Lauren D. • English tutor
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Explain how the mammalian pancreas controls blood sugar concentration after a meal.

The pancreas consists mainly of exocrine tissue (<98%) which produces pancreatic enzymes required for digestion. The remaining endocrine tissue is organised into Islets of Langerhans which contain 5 diffe...
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Answered by Cara H. • Biology tutor
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