Question 1187936
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B is between A and C, BC=2x², AC=64, AB=BC. find x
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AC = 64,  AB = BC  implies  BC  is half of  AC,  i.e.  BC = 64/2 = 32.


THEREFORE,  2x^2 = 32,   x^2 = 32/2 = 16,   x = {{{sqrt(16)}}} = 4.    <U>ANSWER</U>
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Solved.