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How best to maximise marks in exams, for example in definitions or in 20 mark questions

For any question the you should first consult the mark schemes and ensure that you are understanding exactly what they are saying. For a definition question repition is key, making sure that you understand t...
AH
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Discuss the advantages and disadvantages for a new business of using an overdraft as a way of managing its cash flow.

With high initial setup costs and a lack of a steady revenue stream, it is a common situation for a new business to encounter cash flow problems while waiting for funds from its debtors to arrive. An overdra...
AS
27426 Views

Solve x^2 = 4(x – 3)^2

To solve this equation we need to firast expand it. x 2 =4(x-3) 2 To do this we first expand the brackets. Remeber anything squared means times it by itself (x-3) 2 =(x-3)(x-3) =x 2 -6x+9 This makes the equa...
AM
Answered by Annabel M. • Maths tutor
27538 Views

With reference to valencies, describe and explain the differences in reaction as you go down group 1 of the periodic table for the reaction: metal + water -> Metal hydroxide + hydrogen.

As you descend the group, the reactions become more vigorous, more exothermic and have a higher rate of reaction. Lithium will just gently fizz and produce a gas, sodium will melt into a ball shape and fizz ...
GN
Answered by George N. • Chemistry tutor
3159 Views

What is meant by дательный падеж and what is an example of where it is used?

The dative case. This is a case used for indicating movement towards something, e.g. in the sentence 'give the book to me' the word 'me' takes the dative case. The word мне thus means 'to me'.
AH
Answered by Anna H. • Russian tutor
2910 Views