An acorn is falling from 13 feet in the air. If it descends 4.8 feet every second, write and solve an equation to determine how long it will take for the acorn to be 1 foot above the ground. please put the equation and answer please.

Using a linear function, it is found that:

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A linear function modeling the height after t seconds has the following format:

In which:

Thus:

It takes 2.5 seconds for the acorn to be 1 foot above the ground.

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your answer is -9

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