Mathematics, 10.12.2020 16:50 alexanderavrett
A rocket carrying fireworks is launched from a hill 80 feet above a lake. The rocket will fall into lake after exploding at its maximum height. The rocket's height above the surface of the lake is represented by h = -16t^2 + 64 t + 80. How many seconds after the rocket launched will it hit the lake?
Answers: 3
Mathematics, 21.06.2019 14:10
1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds
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Mathematics, 21.06.2019 15:30
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
Mathematics, 21.06.2019 16:00
You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall
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