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To work this out we need to calculate the percentage of boys in year 10 and year 11. Then we can compare them to find which year has the greater proportion of boys.For Year 10 there are 110 boys out of 20...
a) y is proportional to x^2, when x is 5, y is 75
Therefore: 75 = (something multiplied by) 5^2
75 = 3 x 25
Hence y = 3x^2
b) y = ...
Need to calculate two things in order to answer the question:
1) Total cost of Nisha's 70 guests.
2) Total cost of Dipen's 'one-fifth fewer' guests.
For Nishen...
The mean, median and mode are three types of averages which you will be asked about in your GCSE maths exam.
The best way to learn maths is by by doing it or at least runni...
Firstly, make sure you agree that a quadratic equation is an equation of the form y = ax2 + bx + c where a,b,c ar...
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