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Bezzdna [24]
3 years ago
8

The height of the pyramid in the diagram is three times the radius of the cone. The base area of the pyramid is the same as the

base area of the
cone. What is the expression for the volume of the pyramid in terms of the radius r of the cone?
Mathematics
1 answer:
Brut [27]3 years ago
7 0

Answer:

jhhfhgk

Step-by-step explanation:

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What the closest volume of a cylinder with a height of 10 and a circumference of 8
jenyasd209 [6]

In order to calculate the volume of a cylinder, we can use the following formula:

V=\pi r^2h

Where r is the base radius and h is the height.

If the circumference is 8, we have:

\begin{gathered} C=2\pi r \\ 8=2\pi r \\ r=\frac{4}{\pi} \end{gathered}

Now, calculating the volume, we have:

\begin{gathered} V=\pi(\frac{4}{\pi})^2\cdot10 \\ V=\frac{160}{\pi} \\ V=50.93 \end{gathered}

So the correct option is the second one.

3 0
1 year ago
Add 84.0393 and 231.6581 and round the sum to the nearest hundredths and thousandths
Anna35 [415]
I can help. What do you mean “hundredths and thousandths” cuz you only round one?
7 0
3 years ago
PLEASE SOMEONE HELP ME
Julli [10]

Answer:

The answer is 5 times

Step-by-step explanation:

First, we need to read the change in price in 2000 and 2007, from the graph.

So, the change in price in 2000 was $0.14 and in 2007 it was $0.71.

Now, we do the same thing we always do when comparing two values - we divide them. So:

0.71 / 0.14 = 5.07

Of course, we could multiply these values with 100, in order to avoid decimal numbers. Then we would get:

71 / 14 = 5.07

We could also divide this in the form of fractions:

71/100 / 14/100 = 5.07

There are several ways we could divide rational numbers, but the result will always be the same.

Change in price in 2007 was around 5 times greater than the change in 2000.

I hope this helps!!;-)

6 0
2 years ago
Solve the equation <br> |x-3| -10=-5
Deffense [45]

Answer:

x=8                     x=-2

Step-by-step explanation:

|x-3| -10=-5

Add 10 to each side

|x-3| -10+10=-5+10

|x-3| =5

Now separate into two equations , one positive and one negative

x-3 = 5           x-3 = -5

Add 3 to each side

x-3+3 = 5+3    x-3+3 = -5 +3

x=8                     x=-2

5 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP A factory makes circular rugs with a radius of 4.5 feet. How many braids do they need to go all the way around
KengaRu [80]

Answer:

It C

Step-by-step explanation:

You nee to mulitply: 4.5 x 3.14 = 14.13

hopes this helps

pls mark as  brainiest

3 0
2 years ago
Read 2 more answers
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