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Solve 7x – 9 = 3x + 2

aim is to move all numbers to one side and all the x to one side. whatever you do to one side, you must do to the other side. For example I want to remove -9 on the left by adding +9 to left side but I need ...
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Answered by Shahswar Z. • Maths tutor
5099 Views

Express (9x^2 + 43x + 8)/(3+x)(1-x)(2x+1) in partial fractions.

A/(3+x) + B/(1-x) + C/(2x+1) = (9x^2 + 43x + 8)/(3+x)(1-x)(2x+1)So... A(1-x)(2x+1) + B(3+x)(2x+1) + C(3+x)(1-x) = (9x^2 + 43x + 8)Insert x=1Equation becomes 12B = 60 so B = 5.Then insert x=-3Equation becomes...
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Answered by Abhik V. • Maths tutor
6940 Views

How should I structure my points in my essay?

Its important when writing an essay to always make sure your points are fully explained and evidenced. The best way to remember to do this is to use the PEEL system. PEEL stands for Point, Evidence, Explanat...
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Answered by Eleanor S. • English tutor
2684 Views

What is the difference between the meanings of the perfect and imperfect tenses?

The perfect and imperfect tenses in latin are both used to describe actions which take place in the past, but they are used to describe slightly different types of actions. The perfect is used to describe ac...
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Answered by Eleanor S. • Latin tutor
2619 Views

The recommended price of a ladder is £75. The ladder is sold in 2 shops, one with a 30% discount the other with a discount of 2/9. How much is the discount in the two shops and which is cheaper and by how much? Non-calculator

Shop 1. Ladder is discounted at 30%. 30% = 0.3. 0.3 x £75 = ? £70 x 0.3 = £21.00 £5 x 0.3 = £1.50. Total discount is £22.50. Price for the ladder is £52.50. Shop 2. The discount can be calculated £75/1 x 2/9...
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Answered by Aston B. • Maths tutor
3235 Views