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Express 1/((x^2)(1-3x) in partial fractions.

This is a step above a partial fraction question seen in core 1 and core 2, made mkre difficult due to the double (repeated) root of x. To solve this we must consider that there is 3 separate roots, x, x^2 a...
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Answered by Jack A. Maths tutor
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What is a convection current?

A convection current is the way that heat is transferred throughout a fluid. By fluid, we mean a liquid or a gas, where the molecules are free to move. Imagine a cup of water being heated from the bottom. Th...
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Answered by Luke C. Physics tutor
10732 Views

Explain the disadvantages of an ageing population for one country.

Using a case study already researched, first name the country and give an outline of how the population is ageing with a few brief statistics. Depending on the marks for the questions give 3-4 impacts of an ...
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Answered by Annabel G. Geography tutor
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Explain the causes and effects of increasing levels of carbon dioxide in the atmosphere

Carbon dioxide is a greenhouse gas that is produced through the burning of fossil fuels such as coal, oil and gas. Increased demands for electricity, heating and cars etc. means that more fossil fuels are be...
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Answered by Lydia K. Biology tutor
22643 Views

Evaluate the idea that the English language is breaking up into many different Englishes.

Evaluate means that both sides of the argument should be considered, but with an overall preference set out from the introduction and followed through to the conclusion. Language theories should be used to b...
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