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(This question would appear on the calculator paper of GCSE Maths) The first step is to calculate the total area of the rectangular wall by multiplying the width and height of the wall: Area (recta...
Given that the equation is a straight line we know that it will take the form of y = mx + c with m as the gradient and c as the y-intercept. We can find the slope by doing (y1- y2)/(...
pi x r2 x height
Answer:x=-2, y=-3 or x=2, y=3Explanation:We can rewrite 2xy=12 as (2y)x=12, and since we know that 2y=3x, we can substitute this in to get the following equation: 3x^2 = 12. Solving this we get that...
Identify a, b and c based in the GENERAL FORM OF A QUADRATIC EQUATION: ax2 + bx + c (= 0)ax2 + bx + c = 0 x2 + 3x - 10 =...
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