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How do you find the nth term formula for a sequence with non-constant difference?

Take the sequence; 9, 12, 19, 30, ... (1) The first step is always to look at difference between the terms; 9, 12, 19, 30, ... +3, +7, +11, ... +4, +4, ... We can see the difference is not constant, (2) so w...
RS
Answered by Richard S. Maths tutor
211986 Views

Using Context

Appropriate use of context is key in making your essay more two dimensional and mature. Context does not simply mean the historical background behind the text you're studying, but the literary environment an...
AP
5771 Views

What is a separable verb and how is it formed?

In German some verbs are separable . This means that they are formed of two parts which can be separated. Some examples are: an kommen (to arrive), aus gehen (to go out), ein laden (to invite), ab waschen (t...
GH
Answered by George H. German tutor
4112 Views

Passé Composé/Adverb endings (é/ée etc.)

In French, a lot of people get confused with when to put 'é' or 'ée' at the end of either a passé composé or as an adverb: 'elle a décid é de lui dire la vérité' / 'la vérité est ce qu'elle a décid ée de lui...
LM
Answered by Laura M. French tutor
10037 Views

What language techniques should be included in a persuasive speech?

When writing to persuade an audience , there are a few key techniques the examiner will look out for: - Rhetorical Questions - Repetition - Direct Address - Exaggeration/ hyperbole - Groups of three - Suppor...
LK
Answered by L1zzy K. English tutor
3991 Views