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KonstantinChe [14]
3 years ago
11

A right cylinder with radius 4 cm and height 3 cm

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

Step-by-step explanation:

V=\pi r^2h=\pi *4^2*3\\=150.79645cm^3\\A=2\pi rh+2\pi r^2=2*\pi *4*3+2*\pi *4^2\\=175.93cm^2

I put both volume and area

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Numbers 50, 42, 35, 2x + 10, 2x -8, 12, 11,8 are written in descending order and their median is 25, find x.
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25=mean of (5th+6th value)

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Square root of 75 plus square root of 3
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Answer:
6√3

Explanation:
Before we begin, remember the following:
\sqrt{a*b} = \sqrt{a}  *  \sqrt{b}
m \sqrt{a} + n \sqrt{a}  = (m+n) \sqrt{a}

Now, for the given:
75 can be written as 25*3
This means that:
\sqrt{75} = \sqrt{25*3}
Applying the above concept, we can find that:
\sqrt{75} = \sqrt{25*3} = \sqrt{25}  *  \sqrt{3}
Now, we know that:
√25 = 5 (we ignored the negative value)

This means that:
√75 = 5√3

Finally, we can compute the needed sum as follows:
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