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Amy worked for 5 hours on Saturday so she earned £8 x 5 = £40 on that day.
She earned £130 in total so we know she earned £130 - £40 = £90 working from Monday to F...
First recognise that the diameter is 10cm so the radius of the circle must be 5cm.
Next use the formula for the area of a circle, πr2, to work out the area of the circul...
Process of elimination:
Multiply equation 2 by 3 to get the same coefficent in front of x: 3x - 3y = 9 (3)
Subtract eq 3 from eq 1 to get: y = 3HMAnswered by Hamza M. • Maths tutor8412 Views
a) Solving for t: We isolate our unknown t on one side, to leave the factors of t on one side and the numbers on the other: -1st step: substract 17 from both sides --> 5t = -15 -2nd s...
With ratio questions we first have to look at the ratio split that the question wants. In this case is is 2:1, first sum up the two numbers that make the ratio, 2 and 1, to get 3. Then divide the number t...
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