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Mathematics, 11.02.2020 17:10 ddea4081
The trajectory of an object that is thrown from the top of the building with an initial velocity of 15 m/s is modeled as H equals -4.9 T to the second power +52+ X, where HIs the height in meters of the object at a given time T is the time in seconds of X is the height of the building in meters. If the object hits the ground after 21 seconds, what is the approximate height in meters of the building
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