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3 years ago

Find the surface area of this cylinder 12 is height radius is 8

Mathematics

1 answer:

Alika [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Surface area = 2πr(h+r)

= 2 * 3.14 * 8*(8+12)

=2*3.14*8*20

= 1004.8 square unit

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3 years ago

Rewrite 26/4 as a mixed number in simplest form.

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4 goes into 26 6 times with a remainder of 2.

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3 years ago

What is the slope of the line that passes through the points (7,26) and (12, -39)?

Elena-2011 [213]

The slope (m) = -13.

We can use the slope formula:

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Let (x1, y1) = (7, 26)
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Plug in the values into the formula:

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2 years ago

After reading a book about ancient Egypt, Cassie decided to build a model of a pyramid out of cardboard. How much cardboard does

serious [3.7K]

Answer:

2125

Step-by-step explanation:

khan academy

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2 years ago

Read 2 more answers

How do you simplify this?

timama [110]

Notice how the top is an addition of two cubes, namely x and 2.

You can rewrite the equation as:

$\frac{x^{3} + 2^{3}}{x + 2}$

Now, (a + b)³ can be simplified down to (a + b)(a² - ab + b²)
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$\frac{(x + 2)(x^{2} - 2x + 4)}{x + 2}$
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2 years ago