Top answers

How can I prepare for the HAA?

The main way to prepare is to look at past papers, however there are not very many of these yet so it will not take you long to finish them all. If you want to prepare further then getting a book of psychome...
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What type of cells do multipotent stem cells go on to form?

Multipotent stem cells --> haematopoeitic adult stem cells
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Answered by Skye F. • Biology tutor
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How do you revise for Classics?

Classics can often be seen as a very do-it-yourself subject, which can be extremely daunting with the amount of information you have to learn. The best method to revise Classics for me was to use a combinati...
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What is the difference between the null hypothesis, alternate hypothesis, directional hypothesis and non-directional hypothesis?

A hypothesis is a statement about the relationship between two variables (usually, the IV and the DV). The statement must usually also be operationalised or 'testable', which is another way of saying made mo...
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An isosceles triangle has a base with length x+4 and the other two sides have length x+3. The perimeter of this isosceles triangle is 16cm. Find the area of the triangle.

First, we need to find the value of x. The perimeter of a shape is the sum of the length of all of its sides, so the perimeter of this isosceles is x + 4 + 2(x + 3) = x + 4 + 2x + 6 = 3x +10. We are told tha...
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Answered by Dominic M. • Maths tutor
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