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2 years ago

What is the volume of a cone with the given dimensions? Radius = 7 cm.; Height = 11 cm

Mathematics

2 answers:

Alex Ar [27]2 years ago

5 0

Putting the value in formula:
V≈ 564.44 cm3

Zanzabum2 years ago

3 0

Formula for Volume of a Cone V=πR^2H/3Plug in 7 for R^2
Plug in 11 for H
When you plug it in it looks like V=π×7^2×11/3
The × is a multiplication sign.
Now time to solve. Your answer would be V≈564.44

FINAL ANSWER is V≈564.44

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Gelneren [198K]

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3 years ago

A bag contains 8 purple marbles & 12 green marbles. You choose one marble out of the bag without looking.

MrRissso [65]

Answer:

1. P(P) = 8/20 = 0.4

2. P(G) = 12/20 = 0.6

Step-by-step explanation:

Given;

Number of green marbles G = 12

Number of purple marbles P = 8

Total T = 12+8 = 20

The probability that you choose a purple marble P(P) is;

P(P) = number of purple marbles/total number of marbles

P(P) = P/T = 8/20 = 0.4

P(P) = 0.4

The probability that you choose a Green marble P(G) is;

P(G) = number of Green marbles/total number of marbles

P(G) = G/T = 12/20 = 0.6

P(G) = 0.6

6 0

3 years ago

What is the answer to 2(9x+12) A.18x+12 B.18x+24 C.9x+24

LUCKY_DIMON [66]

2(9x) +2(12)= 18x + 24

6 0

3 years ago

Read 2 more answers

The diagonal of a TV is 30 inches long. Assuming that this diagonal forms a pair of 30-60-90 right triangles, what are the exact

Nutka1998 [239]

The ratio of sides for a 30 : 60 : 90 = 1 : √3 :2.

Note the 90 degrees represent the hypotenuse, which in this case is 30 inches.

1 : √3 :2 = x : y : 30

To get 1, on the left side, we simply divide 2 by 2

Similarly x = 30/2 = 15.

To get √3, on the left side, we simply multiply 1 by √3

Similarly y = 15 * √3 = 15√3

Therefore the length and width respectively are 15 and 15√3 inches

7 0

3 years ago

Please help, please help

zmey [24]

Answers:
x=22
x+4=26
6x=132

Explanation:
We learned from the question that all of the angles in a triangle add up to 180 degrees.

180=angle+angle+angle

When we plug in the values that the question gives us for the angles, we get this equation:

180=x+6x+(x+4)

After solving this equation, we get 22 as the value of x (The process of solving that equation is in the picture attached).

To solve for (x+4), we plug in the value of x, which is 22 and add 4.

(x+4)
=(22+4)
=26

And finally, to solve for 6x, we plug in 22 again:

6x
=6*22
=132

Hope this helps!

7 0

3 years ago