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Ket [755]
3 years ago
14

What is volume of cylinder with 7 cm high and 3 cm radius

Mathematics
2 answers:
Alekssandra [29.7K]3 years ago
4 0

Answer:

V≈461.81cm³

Step-by-step explanation:

MrRissso [65]3 years ago
3 0

Answer:

The answer is<em><u> V≈197.92cm³</u></em>

Step-by-step explanation:

Remember that the radius and the height must be in the same units - convert them if necessary.

The resulting volume will be in those cubic units. So if the height and radius are both in centimeters, then the volume will be in cubic centimeters.

The volume of a cylinder is found by multiplying the area of its top or base by its height and is defined as: V = π· r2· h

Example:<em> A cylindrical water storage tank has an inside base radius of 7m and depth of 11 m. Find the capacity of the tank in kiloliters (1kl = 1m3). </em>

<em>Solution: </em>

<em>Base radius: r = 7 m </em>

<em>Height: h = 11 m </em>

<em>The water storage tank is in the shape of the cylinder. So using the volume of cylinder formula we can find the volume of it. </em>

<em> </em>

<em>V = π· r2· h </em>

<em>V = π· 72· 11 </em>

<em>V = 1692.46 m3 = 1692.46 kl</em>

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part b is: if the energy release of one earthquake is 10,000 times that of another, how much larger is the Richter scale reading
kotegsom [21]

You could use the information from part A to get B. I'm not sure if you want A or not, so I'll do it as well.

A

Eo = 10^4.4 Joules

E = 2 * 10^15

Formula

M = (2/3) log (E/Eo)

M = 2/3 * log (2 * 10^15/10^(4.4) )

M = 2/3 * log( 7.9621* 10^10)

M = 2/3 * 10.901

M = 7.26735 on the Richter scale. That is a huge amount of energy.

Part B

Suppose that you use Eo and your base. Eo is 10^4.4

Now the new earthquake is E = 10000 * Eo

So what you get now is M = (2/3)* Log(10000 * Eo / Eo )

The Eo's cancel out.

M = 2/3 * log(10000)

M = 2/3 of 4

M = 8/3

M = 2.6667 difference in the Richter Scale Reading. It is still an awful lot of energy.

What this tells you is that if the original reading was (say) 6 then the 10000 times bigger reading would 8.266667

Answer: M = 2.6667


8 0
3 years ago
Read 2 more answers
Help please i dont know the answer
Law Incorporation [45]

Answer:

72

Step-by-step explanation:

Find the Rule :

2-1=1

3-1.5=1.5= constant

Verification :

1x1.5=1.5

2x1.5=3

9x1.5=13.5

48x1.5=72

What is the rule for input-output table?

An input-output table, like the one shown below, can be used to represent a function. Each pair of numbers in the table is related by the same function rule. That rule is: multiply each input number (x-value) by 1.5 to find each output number (y-value)

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Dominik [7]
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Volume of the prism= 1018464
Then just subtract
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5.8 • 10^1 - 7.4 • 10^0 Answer in scientific notation please
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5.06X10^1

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