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The formula for the area of a circle is π x r2 and the radius of the circle (r) is found when you divide the diameter (given in the question) by 2. Therefore, when plugging in the radius (14 di...
(X+4)(X-5)
x=3, y=2
We are asked to calculate (64x1000)1/3. We can use the laws of indices to write that expression as 641/3x10001/3, which is easier to evaluate. To work out 641/3...
x=5 and x=7
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