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The gradient of a straight line is the number before the x if it is in the form y=mx+c. So for y=6x+2 the gradient is 6. If the y has a factor, like 2y=6x+2, then you have to divide everything by the fact...
FIrst of all we need to understand how cos 30° and tan 60° are found. Let's think of an equilateral triangle, all three angles of the triangle are equal and 60° and each side has length 2. Let's half the ...
= 2πr2 + πd x height (= area of the 2 circle at either end + area of rectangular surface around the cylinder)
a) AC = a + b
b) CY = -b -1/2a
c) YZ = 1/2a + 1/3b
Answer is 60.
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