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Firstly, it's important to note that the question concerns straight lines, so it will be possible to express the answer in the form y=mx+c where m is the gradient and c is the y...
James starts with £200,000.He then spends 10% of his winnings:200,000*(1-0.1)=180,000The 1 represents 100%, which the amount of money James starts with. He then spends 10%, which is repr...
Both the cosine and sine rule are used to find either a missing side length or angle of a triangle that doesn't have a right angle. The cosine rule is used when you know the length of two sides and the an...
FOIL Method: F - First xx = x2 O - Outside x7=7x I - Inside -3x=-3x L - Last -37= -21 Add all the results up to get the answer: x2+7x-3x-21 = x2MLAnswered by Martin L. • Maths tutor7042 Views
2x^2 - 3x - 4 = 1To solve, we should bring all the terms to one side, and equate the equation to 0. To do this, we should subtract 1 from each side.2x^2 - 3x - 4 - 1 = 1 - 12x^2 - 3x - 5 = 0PSAnswered by Prithvie S. • Maths tutor3689 Views
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