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yKpoI14uk [10]
3 years ago
10

Formula for the surface area of a cylinder, SA = 2ar2 + 2arh. Solve for h.

Mathematics
1 answer:
MakcuM [25]3 years ago
8 0

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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The mean of 67004, 67004, 67005, 67005, 67005, 67005, 67006, 67006
romanna [79]

Answer:

the answer is 59467

<h2><em>hope it will help you</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em></h2>

8 0
3 years ago
The length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle? Write and solv
ser-zykov [4K]
Here are your equations:
x and 3x
How to set up:
2(x)+ 2(3x) = 44
Simplify:
8x = 44
Divide:
x = 5.5
Plug back in to find values:
Width = 5.5
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Hope this helps!! :)
5 0
3 years ago
What’s the measure ?
Ganezh [65]
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7 0
3 years ago
Please Help!!
zalisa [80]

Answer:

B is correct option

Step-by-step explanation:

The correct option is B:

Convert 3 1/2 inches in feet by proportion:

3 1/2 = 7/2

1/4 / 7/2 = 1/x

1/2 / 7 =1/x

1/2 *x = 7

x= 7*2

x= 14ft

Convert 5 1/2 into feet

5 1/4 = 21/4

1/4 / 21/4 = 1/y

THE DENOMINATORS WILL BE CANCELLED OUT BY EACH OTHER.

1/21 = 1/y

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Therefore it is 14ft by 21ft, which is option B....

4 0
3 years ago
Round 89,678 to the nearest hundred thousand
zmey [24]

Answer:

The nearest 100,000 of 89,678 would be 100,000.

Step-by-step explanation:

For me to simply put this, ignore the digits behind the commas.

You'll have 89, and imagine you have to get it to the nearest 100.

So when rounding / estimating, if the digit you're talking about is above 5, you round up. If it is below 5, you round down.

Since you have 89, you'd round up to a 100 because 89 is over 50.

Therefore you'd have 100,000 if you're rounding 89,678 to the nearest hundred thousand.

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3 years ago
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