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natka813 [3]
3 years ago
10

can anyone help me ASAP

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0

Answer:

V=640\pi\

Step-by-step explanation:

The diameter of the cylinder, d = 8 cm

Radius, r = 4 cm

The height of the cylinder, h = 10 cm

We need to find the volume of the cylinder. The formula for the volume of a cylinder is given by :

V=\pi r^2 h

Put all the values,

V=\pi \times 8^2 \times 10\\\\V=640\pi\

So, the volume of the cylinder is equal to 640\pi\.

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Answer: \frac{3}{10} of the mural is sky blue.


Step-by-step explanation:

Let x be the full portion of mural.

Since, \frac{4}{5} of mural is painted in shades of blue.

Therefore, the blue portion=\frac{4}{5}x

Also, Three eighths of the blue area is sky blue.

Therefore, the portion of the mural is sky blue=\frac{3}{8}\times\frac{4}{5}x

The portion of the mural is sky blue=\frac{12}{40}x

Simplify, by dividing numerator and denominator by 4, we get

The portion of the mural is sky blue=\frac{3}{10}x


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3 years ago
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