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Answer and show work please C Apply Your Knowledge (See Ex. 9) 10 A toy rocket is fired into the air from the top of

Answer and show work please

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C Apply Your Knowledge (See Ex. 9) 10 A toy rocket is fired into the air from the top of a barn. Its height (h) above the ground in yards after t seconds is given by the function h(t)=-5t2+10t+20. Use completing the square to find out when the rocket hits the ground (h=0). Find the EXACT (radical) and approximate time to the nearest hundredth showing your work. Include units of measurement

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