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What is the nth-term of this sequence? 29, 26, 23, 20, 17...

First you need to find the difference between the terms. (The difference is how we get from one term to another.) In this case the difference is -3 because 26 - 29 = -3, 23 - 26 = -3 and so on. For a linear ...
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Answered by Hannah G. • Maths tutor
14126 Views

P + p=

2p
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Answered by Tom S. • Maths tutor
3627 Views

A car costs £5,899.99, not including VAT. If the VAT rate is 20% how much does the car cost in total?

100% = £5,899.99 10% = £590.00 £590.00 x 2 = £1,180.00 £5,899.99 + £1,180.00 = £7,079.99
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Answered by Helen T. • Maths tutor
3777 Views

I did a question the other day which expected me to know what cos(30) is without a calculator. How do I work it out?

There are certain angles that you can use shapes and trigonometry to work out what their cosine, sine and tangent angles are. These angles are 30, 45 and 60 degrees and there are 2 very simple but important ...
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Answered by Philip H. • Maths tutor
13474 Views

How do I express complicated logs as single logarithms?

The process of transforming a complicated log to a single logarithm depends on the question. However, there are some basic rules and methods that are commonly involved. Here is an example: Example Express 2l...
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Answered by Keeley L. • Maths tutor
12634 Views