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Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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Sawsan recorded the favorite sport of students at her school. she surveyed 200 students. how many students chose tennis?
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Mathematics, 22.06.2019 01:30
Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter? question 1 options: 3x2+38x+55 3x3+38x2+55x 5x+16 4x+16
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Find the value of sec ø if cos ø=2/19;0°<ø<90°...
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