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4 years ago

Need help on this hopefully y'all can help me on it

Mathematics

2 answers:

Travka [436]4 years ago

4 0

The formula for finding the volume of a cylinder is V=πr²h where V is the volume, π is 22/7, r is the radius and, h is the height or V=1/4πd²h where V is the volume,π=22/7 ,d is the diameter and h is the height.
Given that the diameter is 12 inches and the height is 10 inches, the volume is
V=1/4πd²h
V=1/4*22/7*12*12*10
V=1131 inches³(rounded to nearest ones or unit)
Therefore the volume of the cylindrical container is approximately 1131cm³

exis [7]4 years ago

3 0

Use the formula. Change diameter to radius. Fill in formula and calculate.

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Answer:

$h=\frac{SA-2\pi r^2}{2\pi r}$

Step-by-step explanation:

The formula for the surface area of a cylinder is:

$SA=2\pi r^2+2\pi rh$

And we want to solve for the height h.

First, subtract $2\pi r^2$ from both sides. This yields:

$2\pi rh=SA-2\pi r^2$

Now, divide both sides by $2\pi r$ . This yields:

$h=\frac{SA-2\pi r^2}{2\pi r}$

And we're done!

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Step-by-step explanation:

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