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junior college 1 | H2 Maths
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How to do the second part of the Qn.
I got the value of x but I couldn't find the y value the answer key said by using GC but I don't know how to do that can ols teach me thanks
Date Posted: 3 years ago
Views: 560
Presuming that you indeed found the value of x which gives the minimum value of H, the y values can be found by substituting the value of x into the equation containing y and x (you used this equation en route to finding the part one result).
Once you have the value of x, use the total capacity of the house (given 2500) and calculate equate it to the volume in terms of x and y, which will be the sum of volumes of the half-cylinder of the roof plus the cuboid of the base
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Date Posted:
3 years ago
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