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Surface area:We know that the base of a cone is a circle, which has a surface area of πr2, where r is the radiusThe rest of the area will be π, r and l (the slanted length) multiplied togetherA...
The formula to find the cosine of the angle is: cosA= u.v/|u|x|v|; 1.u.v means that you multiply the x coordinates together, then the y coordinates and the z coordinates,...
Initially it helps to read over the question a couple of times underlining/ highlighting all important information ie. volumes and concentrations. Next it always helps to have a chemical equation to work ...
Skinner believed that children learn language in the same way that they learn their other behaviour and stated that this was through a system of positive and negative reinforcement. When a child imitates ...
In this question, you are being asked to show L1 and L2 are parallel. The equations of two parallel lines will have the same gradient. This is the number in front of the x term in the equation, but to com...
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