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What is meant by the lag time on a flood hydrograph?

The lag time is the time difference between the peak rainfall and the peak discharge that occurs as a result.
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Answered by Laura C. • Geography tutor
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Calculate the coupon rate for a 5 year £500 bond that has a coupon value of £10

(10 x 5) (coupon value x length of bond) = 5050/500 (previous answer/bond value) = 0.10.1 x 100 (coupon rate as percentage) = 10%
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Answered by Laura C. • Economics tutor
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Simplify fully 3(3 – x) – 2(x – 4)

3(3 – x) – 2(x – 4)Open out the brackets--> 9 - 3x - 2x + 8Simplify--> -5x +17
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Answered by Laura C. • Maths tutor
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What does differentiation mean and represent? (A-Level students)

Simply put, differentiation allows you do find the gradient of a line, whether it is linear or a curve. When you first learn about the equation of a straight line, commonly displayed in the form y=mx+c, wher...
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Answered by Sam T. • Maths tutor
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Express 56 as a product of its prime factors

56 7 x 8 products of 56, 7 is a prime factor 2 x 4 2 is a prime factor 2 x 2 Therefore, 56 as a product of its prime factors is 7 x 2 x 2 x 2 OR 7 x 2^3
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Answered by Isabella T. • Maths tutor
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