Mathematics: The equation y= -16t2 + 120 can be used to represent the fruit s height above the ground, where t represents time, in seconds, after she threw the apple. how long did it take the apple to hit the ground? round your answer to the neares hundreth.

The equation y= -16t2 + 120 can be used to represent

Ответ:

zack66828

15.03.2022

y = -16t^2 + 120

Let y = 0

Solve for t.

0 = -16t^2 + 120

-120 = -16t^2

-120/-16 = t^2

7.5 = t^2

sqrt{7.5} = sqrt{t^2}

2.7386127875 = t

We now round to the nearest hundredths, which means to 2 decimal places.

t = 2.74 seconds

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Ответ:

bglosson4333

13.01.2020

Mathematics

2 / 10 = 20 / 100.

So 2 /10 + 2 / 10 = 4 / 10.

Simplify that to 2 / 5.

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The equation y= -16t2 + 120 can be used to represent the fruit's height above the ground, where t represents time, in seconds, after she threw the apple. how long did it take the apple to hit the ground? round your answer to the neares hundreth.

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