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# Se considera trapezul ABCD cu unghiul A=B=90 de grade, AD mai mic BC. punctul e este situat pe latura AB, astfel incat unghiul AED=BEC. paralela prin B la de intersecteaza EC in puncrul F, iar unghiul BCE=30 de grade. aratati ca: a) triunghiulBEF este echilateral; b) punctul Fest emijlocul segmetului CE   ### Another question on Mathematics Mathematics, 21.06.2019 19:00
Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m Mathematics, 21.06.2019 22:50
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Se considera trapezul ABCD cu unghiul A=B=90 de grade, AD mai mic BC. punctul e este situat pe latur...
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