H(t) = -16t^2 + 144t
what is the height of the ball after 3 seconds

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Ответ:

heyitzmeamelie

30.12.2021

Mathematics

Here is our equation.

h=-16t^2+144t

We want to find what

will be when t=3

.
Let's plug in 3 for

and solve.

$h=-16\times3^2+144\times3$

$h=-16\times9+144\times3$

h=-144+432

$\boxed{h=288}$

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Ответ:

sarahabuadas532

02.04.2022

Mathematics

1. -√(- 9y²) < 0

-(- 3y) < 03y < 0

2. 3√(c²) ≤ 0

3c ≤ 0

3. - 5√(4x²) ≤ 0

- 5 × 2x ≤ 0- 10x ≤ 0

4. - 5√(y²) > 0

- 5y > 0

5. 0.5√(16a²) < 0

0.5 × 4a < 02a < 0

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