Question: In triangle ABC, angle BAC measures 60 degrees. If the angle bisector of angle BAC intersects side BC at point D, and AD measures 10 cm, what is the length of DC?
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Math Question: Find the derivative of f(x) = 3x^2 - 4x + 1 using the basic rules of derivatives. (
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Math question: Given the slope-intercept equation y = -2x + 3, find the y-coordinate when x = 4.