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There are 892 litres of oil in Mr Aston’s oil tank. He uses 18.7 litres of oil each day. Estimate the number of days it will take him to use all the oil in the tank.

Estimate, so: 900 litres, and 20 litres per day. 900/20 = 45 However, any estimation that results in an answer between 44-56 is acceptable.
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Answered by Christopher L. • Maths tutor
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This exam seems different from the style of A-level English, how best should I prepare for this exam?

Everyone learns differently, but for the ELAT I would suggest a few things as key to anyone's preparation. First and foremost it is important to make sure you are comfortable with unseen passages, and analys...
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Answered by TERESA R. • ELAT tutor
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Rearrange "(6y-30)/5 = 2x+(12/5)" so it reads "y = ... ". Sketch this line and label where it meets the axes.

multiply everything by 5, so you get 6y - 30 = 10x + 12 - add 30 to both sides, so you get 6y = 10x + 42 - divide everything by 6, so you have y = (10/6)x + (42/6) - simplify, y= (5/3)x + 7 - this is of the ...
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Answered by Tegan H. • Maths tutor
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Differentiate with respect to x y=(x^3)ln2x

To be able to differentiate this we need to use the product rule as we want to differentiate two functions multiplied together. The product rule states that if y=uv, then : dy/dx= u dv/dx + v du/dx. Let u= x...
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Answered by Jennifer P. • Maths tutor
12903 Views

What's should I be writing my essays?

There are a couple of important things you need to be demonstrating in psychology essays. The first thing you need to do is to look at what the question is asking you and pick out key words. You need to make...
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Answered by Pippa R. • Psychology tutor
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