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RUDIKE [14]
2 years ago
6

A cylinder has a volume of 45pi and a radius of 3. What is it’s height?

Mathematics
1 answer:
Svetllana [295]2 years ago
8 0

Answer:

<h2>        It’s height is <u> 5 </u> units.</h2>

Step-by-step explanation:

V=\pi R^2\cdot H\\\\V=45\pi\\R=3\\H=??\\\\45\pi=\pi\cdot3^2\cdot H\\\\45=9H\\\\H=5

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Point Q has an angle of 72, which means that point M also has an angle of 72.

Now you have two angles to find x. All interior angles of a triangle add up to 180, so you can set up the following equation to find x:

72 + 36 + x = 180

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3 years ago
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Plzz Help ASAP!! i posted the picture?
Andre45 [30]

Hi!


So the original formula for a problem likes this or a quadratic is:


ax^2 + bx+ c


so a is the accelaration; b is the initial velocity; and c is the initial height


so none of those are the zeros, which means c is out


zeros are the x values when y is 0, that also means when the parabola crosses the x axis


so d is out too because the maximum height is the vertex which mean that there would probably be a y value. in some cases the vertex is the zero, but not here


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