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Don't panic, focus on what you do know.You know 6/n * 5/(n-1) = 1/3or 30/(n^2-n) = 1/3simplify this to reach the target expression.
Step 1: (a )(a )Step 2: identify numbers that can multiply to 14: 1 & 14, 7 & 2Step 3: Identify which pair of numbers add together to make -5: 2 - 7 = -5<...
y=x2+x-6x= (-b+/- sqrt(b2-4ac))/2a<...
I used ratios in this context3kg : £54Using this ratio to work out the price of 2kg 2kg: £? To get from the number '3' to '2', I have to divide 3 by 3, then multiply it by 2So, using this same method (as ...
First work out 10% of 14000.You do this by dividing 14000 by 10 as this will than be a 10th of 14000 and therefore 10%14000 divided by 10 = 1400as the question asks for 20% you will need to add another 10...
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