Mathematics, 26.06.2020 15:01 anitadefrances
If an arrow is shot upward on Mars with a speed of 52 m/s, its height in meters t seconds later is given by y = 52t β 1.86t2. (Round your answers to two decimal places.) (a) Find the average speed over the given time intervals.
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Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0
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(10. in the figure, a aabc is drawn tocircumscribe a circle of radius 3 cm ,such thatthe segments bd and dc are respectively oflength 6 cm and 9 cm. find the length ofsides ab and ac.
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The discrete random variables x and y take integer values with joint probability distribution given by f (x,y) = a(yβx+1) 0 β€ x β€ y β€ 2 or =0 otherwise, where a is a constant. 1 tabulate the distribution and show that a = 0.1.2 find the marginal distributions of x and y. 3 calculate cov(x,y).4 state, giving a reason, whether x and y are independent. 5 calculate e(y|x = 1).
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If an arrow is shot upward on Mars with a speed of 52 m/s, its height in meters t seconds later is g...
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