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3 years ago

8

water balloon was thrown from a window. The height of the water balloon over time can be modeled by the function y=-16x^(2)+160x

+50. What was the maximum height of the water balloon after it was thrown?

1 answer:

vesna_86 [32]3 years ago

5 0

Answer:

450 Is the maximum height.

Step-by-step explanation:

Use x=-b/(2a) to get your answer.

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Step-by-step explanation:

Because it is the 3rd one

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3 years ago

How do you solve -2/3x + 5 = 20 - x

Monica [59]

-2/3x + 5 = 20 - x

subtract 5 from each side

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add x to each side

-2/3 x +x = 15

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3 years ago

A sphere has a volume of 36 (3.14) cm cube. what is the diameter of the sphere

Serga [27]

Answer:

<h2>Diameter = 6 cm</h2>

Step-by-step explanation:

The formula of a volume of a sphere:

$V=\dfrac{4}{3}\pi R^3$

We have V = 36(3.14) cm³ = V = 36π cm³. Substitute:

$\dfrac{4}{3}\pi R^3=36\pi$ <em>divide both sides by π</em>

$\dfrac{4}{3}R^3=36$ <em>multiply both sides by 3</em>

$4R^3=108$ <em>divide both sides by 4</em>

$R^3=27\to R=\sqrt[3]{27}\\\\R=3\ cm$

The diameter D = 2R.

Therefore D = 2(3 cm) = 6cm

3 0

3 years ago