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A Level

How do I evaluate the usefulness/ reliability of a source?

Firstly consider the nature of the source as that affects the broadness of its coverage and its neutrality. For instance, a chronicle or a news report may just simply provide a neutral narrative of what h...

JB
Answered by Joseph B. History tutor
4601 Views

whats the integral of x.e^x wrt x

e^x(u-1)

PC
Answered by Peter C. Maths tutor
4941 Views

An open-topped fish tank is to be made for an aquarium. It will have a square base, rectangular sides, and a volume of 60 m3. The base materials cost £15 per m2 and the sides £8 per m2. What should the height be to minimise costs?

Establish the areas of each of the five faces of the aquarium in terms of x and y, and then sum to obtain a function of the cost in x and y. Then identify that the volume also gives a function in x and y....

JP
Answered by Jonny P. Maths tutor
7669 Views

I have revised all the content for Economics but my essays are not reaching the top level, what can I do to ensure I get the highest marks?

The most important feature in an A level economics essay is evaluation. This is a common mistake amongst many A level students- an economics essay should not simply be a regurgitated knowledge but rather ...

RT
Answered by Ria T. Economics tutor
2261 Views

Outline and evaluate one definition of abnormality.

Statistical infrequency can be used to define abnormality, it involves an individual not fitting into the normal distribution of society so they are regarded as abnormal. There is, however, a problem with...

SN
Answered by Sarah N. Psychology tutor
13853 Views

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