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How do I solve this linear equation? Angles A and B are in a quadrilateral are in ratio 2:3, angle C is 30 degrees more than angle B and angle D is 90 degrees.

Firstly I would draw a diagram of a quadrilateral and label my angles, starting clockwise A,B C and D. Remember that all angles in a quadrilateral add up to 360 degrees. You must use linear equations to s...

TD
Answered by Tutor49006 D. Maths tutor
4392 Views

f(x) = x^2 + 4x − 6 f(x) can be written in the form (x + m)^2 + n. Find the value of m and the value of n.

Because we know (x+m)^2 expanded will provide x^2+2mx+m^2 and we have the extra addition of a value named n we can strictly focus on ensuring the expansion yields x^2+4x and deal with the -6 value by usin...

MG
Answered by Majed G. Maths tutor
10456 Views

How should I structure a 20 mark essay?

You should start with an introduction. The main aim of the introduction is to put the essay question into context, so that the examiner knows you are aware of the time period. However, even at this stage ...

SW
Answered by Sebastian W. History tutor
63419 Views

I find it really hard to dictate a melody, do you have any tips?

Dictation is a skill that can sometimes be difficult to master, but in the exam, there will always be a trick to get you to the answer! The first key thing to work on is recognising intervals. The most co...

KD
Answered by Kirsty D. Music tutor
5130 Views

How do I know when to use the perfect tense and when to use the imperfect tense?

The perfect tense is used to describe a completed action that happened in the past e.g. 'hier, nous avons joué au foot'. This action is no longer happening and can be seen as an event that can be 'ticked ...

KD
Answered by Kirsty D. French tutor
2649 Views

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