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First label all the sides with letters:longest side = amiddle length side = bshortest side = cNow convert the question into equation form: "the longest side is two units more than the shortest side&q...
Prices are: £40 per guest. Total cost reduced by 5% with over 60 guests.
First, we work out the cost of Nisha's suggestion.
£40 x 70 guests = 2800
To find 5% ...
The best way to solve a quadratic function is to put brackets into the equation.
Start with an example
Find x when y=0 for the function
y=x*2 + 5...
Ok so we need to get 'y' by itself on the left hand side of equal sign. We will first try to remove the denominator by multiplying 'x' by (3+4y). This gives (3+4y)x = 1 - 2y.
We will then...
To find the highest common factor of 24 and 90 we do this in three steps:1. Find the prime factorisation of the two numbers. This means rewrite each given number as a product of onl...
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