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How should I answer a source-based exam question?

Source-based exam questions typically make up about half of the examined questions at GCSE level History. They can seem pretty challenging and confusing at first, but if you answer them in a structured way y...
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Answered by Imogen K. • History tutor
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ABCD is a rectangle with sides of lengths x centimetres and (x − 2) centimetres.If the area of ABCD is less than 15 cm^2 , determine the range of possible values of x.

First you interpret the given information and create an equation based on the question. x(x-2)<15. Then you express that equation in standard quadratic form: x^2-2x-15<0. Then you have to not forget th...
Answered by • Maths tutor
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Lily is buying theatre tickets. 4 adult tickets at £15 each 2 child tickets at £10 each A 10% booking fee is added to the ticket price. 3% is then added for paying by credit card. Work out the total ticket price if Lily is paying by card?

First we need to find out the price of the tickets without the booking fee and credit card fee.4x15=602x10=2060+20=80 (This is the price of 6 tickets without fees)Now we calculate the booking fee, which is 1...
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Answered by Vaiva P. • Maths tutor
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Solve the simultaneous equation: x+2y=8 and 2x+y=10 - using a calculator

Make the x's the same in order to remove the x's from the eqn Multiply eqn (1) by 2 and keep eqn (2) the same to gain 2x+4y=16 and 2x+y=10To get rid of the x's, subtract: eqn (1) - eqn (2)4-1y = 16-10 which ...
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Answered by Robyn W. • Maths tutor
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How is Purcell's music characteristic of the Baroque period?

Purcell's music features ornaments such as trills and mordents in bars 8 and 11. These are typical of the Baroque period, as are the melismas used in bars 12 and 16 which are used to emphasise the importance...
Answered by • Music tutor
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