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AfilCa [17]
3 years ago
14

The diameter of the circle above is 8 cm. What is the circumference of the circle?

Mathematics
2 answers:
olchik [2.2K]3 years ago
8 0

Answer:The Answer is D) 50.24 cm

Step-by-step explanation:

Andreyy893 years ago
3 0
Answer: 2) 25.12 cm

Explanation: 8cm Diameter
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A volume of the cone is (1/3) the volume of a cylinder. The volume of the sphere is what fraction of the volume of the cylinder?
xenn [34]

Answer:

4/3

Step-by-step explanation:

To know this, let's write down the formulas for the volume of cylinder and sphere.

Vs = 4/3πr³   (1)

Vc = π r² h    (2)

Now, we do have a little problem here and its the fact that the sphere do not have a height like the cylinder do. But in this case so if you want to have an idea of the fraction of the volume, we will assume that the cylinder has the same height as its radius. Assuming this we have the following:

Vs / Vc = 4πr³ / 3πr²h

Vs/Vc = 4πr³ / 3πr³

From here, we can cancel out the values of π and r³:

Vs/Vc = 4/3

<h2>Vs = 4/3 Vc</h2>

Thus we can conclude that the volume of the sphere is 4/3 the volume of a cylinder.

Hope this helps

8 0
2 years ago
If $1000 is divided equally amung 12 people about how much will each person reserve?
Dmitry_Shevchenko [17]
$1,000/12 = 83.3 repeated
Each person will reserve about $83.
3 0
3 years ago
Read 2 more answers
Which of the following graphs shows a parabola with a vertex of (1,-9) and solutions of (-2,0) and (4,0)?
Mariulka [41]

Answer:

Hello,

Step-by-step explanation:

Roots are -2 and 4

y=k*(x+2)(x-4)

Vertex = (1,-9) is a point of the parabola

-9=k*(1+2)(1-4) ==> k=1

Equation of the parabola is y=(x+2)(x-4)

But you don' t have given the graphs !!!!

3 0
2 years ago
36. The price of a new home. According to the U.S. Census
zmey [24]

Answer:

210

Step-by-step explanation:

because you use 13.% divided by the price

4 0
2 years ago
Wendy jarred 8 liters of jam after 2 days. How many days does Wendy need to spend making jam if she wants to jar 32 liters of ja
Jlenok [28]

Answer:

8 days

Step-by-step explanation:

it takes her two days to make 8 liters so for every 8 liters you add on two more days. 8:2, 16:4, 24:6, 32:8

4 0
3 years ago
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