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Mathematics, 29.01.2021 03:10 finlchey3860

h= -16tx^{2} +126t+5 An object is thrown upward at a speed of 126 feet per second by a machine from a height of 5 feet off the ground. The height (h) of the object after (t) seconds can be found using the equation above.

1. When will the height be 109 feet?
2. When will the object reach the ground?

Could someone please explain the steps to reach the answers for me? I have multiple questions like this and need to understand how this works.

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