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a_sh-v [17]
3 years ago
15

The formula for the circumference of a circle is C = 2 pi r. Determine the circumference when the radius r is 10 cm.

Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer:

D 100cm

Step-by-step explanation:

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A web music store offers two versions of a popular song. The size of the standard version is 2.3 megabytes (MB). The size of the
Effectus [21]

answer

240 standard versions

set up equations

s = number of standard versions

h = number of high quality versions

the total size of all standard versions would be 2.3s since each standard version is 2.3 MB

the total size of all high quality versions would be 4.4h since each standard version is 4.4 MB

add them together to get the total size (2664 MB) of all versions

2664 = 2.3s + 4.4h

since the high quality version was downloaded twice as often as the standard, we can say that

h = 2s

substitute h into equation and solve

2664 = 2.3s + 4.4h

h = 2s

2664 = 2.3s + 4.4(2s)

2664 = 2.3s + 8.8s

2664 = 11.1s

s = 2664/11.1

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3 years ago
The height of a pyramid-shaped sculpture with a square base is one half the length of each side. The volume of the sculpture is
Nimfa-mama [501]

The volume of a pyramid is V = 1/3 x base length^2 x height

Let X = base length.

We are told the height is 1/2 the length, so height would be 1/2x

Now we have:

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Simplifying we get:

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4 0
3 years ago
Factor completely 4x^2 +25+6
malfutka [58]

Answer:

Look at the explanation

Step-by-step explanation:

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Hope this helps!

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Answer:

I think it is 3.1

Step-by-step explanation:

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37: 1 yard
39: to
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3 0
2 years ago
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