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OLEGan [10]
3 years ago
13

What is the volume of a cylinder, in cubic centimeters, with a height of 8 centimeters

Mathematics
1 answer:
Arisa [49]3 years ago
6 0

Answer:

1608.5 cm³

Step-by-step explanation:

Use the cylinder volume formula, V = \pir²h

If the diameter is 16 cm, then the radius is 8 cm.

Plug in the radius and height into the formula, and solve:

V = \pir²h

V = \pi(8)²(8)

V = \pi(64)(8)

V = 1608.5

So, to the nearest tenth, the volume of the cylinder is 1608.5 cm³

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4 years ago
Please answer this question correctly please answer this question correctly
Yanka [14]

Answer:

\frac{(8+2)^2}{2} = 50

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Step-by-step explanation:

\frac{(8+2)^2}{2}

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50

------------------------------

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3 years ago
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saw5 [17]

Answer:

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Step-by-step explanation:

3 0
3 years ago
The value of x in the equation log(x-1)9=2 is
mel-nik [20]
\log_{(x-1)} 9=2

the domain:
x-1 >0 \ \land \ x-1 \not=1 \\
x>1 \ \land \ x \not= 2 \\
x \in (1; 2) \cup (2;+\infty)

the equation:
\log_{(x-1)}9=2 \\
(x-1)^2=9 \\
\sqrt{(x-1)^2}=\sqrt{9} \\
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4 is in the domain
-2 is not in the domain

The answer:
x=4

***
Also, the answer in 13 is {8}. -3 is not in the domain. Replace x with -3 and you'll see:
x=\sqrt{5x+24} \\
-3=\sqrt{5 \times (-3)+24} \\
-3=\sqrt{-15+24} \\
-3=\sqrt{9} \\
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It's not true so -3 isn't a solution to this equation.
4 0
3 years ago
Read 2 more answers
Can someone help me with 10 and 11 pls
Dmitriy789 [7]

Answer:

Answer for 10: 7 Solutions Answer for 11: 7-28= y7= x7

Step-by-step explanation:

Read above

8 0
3 years ago
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