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Anastaziya [24]
3 years ago
11

Find the Circumference of the circle. Leave your answer in terms of TT

Mathematics
1 answer:
sveta [45]3 years ago
3 0

Answer:

C = 18π m

Step-by-step explanation:

The circumference (C) of the circle is calculated as

C = 2πr ( r is the radius ) , then

C = 2π × 9 = 18π

You might be interested in
g If there are 52 cards in a deck with four suits (hearts, clubs, diamonds, and spades), how many ways can you select 5 diamonds
dezoksy [38]

Answer:

The number of ways to select 5 diamonds and 3 clubs is 368,082.

Step-by-step explanation:

In a standard deck of 52 cards there are 4 suits each consisting of 13 cards.

Compute the probability of selecting 5 diamonds and 3 clubs as follows:

The number of ways of selecting 0 cards from 13 hearts is:

{13\choose 0}=\frac{13!}{0!\times(13-0)!} =\frac{13!}{13!}=1

The number of ways of selecting 3 cards from 13 clubs is:

{13\choose 3}=\frac{13!}{3!\times(13-3)!} =\frac{13!}{13!\times10!}=286

The number of ways of selecting 5 cards from 13 diamonds is:

{13\choose 5}=\frac{13!}{5!\times(13-5)!} =\frac{13!}{13!\times8!}=1287

The number of ways of selecting 0 cards from 13 spades is:

{13\choose 0}=\frac{13!}{0!\times(13-0)!} =\frac{13!}{13!}=1

Compute the number of ways to select 5 diamonds and 3 clubs as:

{13\choose0}\times{13\choose3}\times{13\choose5}\times{13\choose0} = 1\times286\times1287\times1=368082

Thus, the number of ways to select 5 diamonds and 3 clubs is 368,082.

6 0
3 years ago
If the mass of a solid is 25 g and it's volume is 50 cm3 what is it's density?
Shkiper50 [21]
The answer would be u would have to multiply the mass which is solid and the volume so to find the density multiply

50 times 25 and I would get 1,250
4 0
3 years ago
Will mark brainliest. Question’s below! Please! Thank you!
Law Incorporation [45]

Answer:

x = -2, y = -3

Step-by-step explanation:

Solve for y:

If -3x + 9y = -21, and -3x +8y = -18, then -21 - y = -18

Add 18 to both sides:

-3 - y = 0, so y = -3

reconstruct new equation:

-3x + 9(-3) = -21, -3x + 8(-3) = -18

-3x + -27 = -21, -3x + -24 = -18

Using the new equation, solve for x:

add 24 to both sides of each equation :

-3x + -3 = 3, -3x = 6

x=<u>-2</u>

3 0
2 years ago
X^3+512=0 real or imaginary solution by factoring
Alja [10]
I hope this helps you x^3= -8^3 x= -8
8 0
4 years ago
What is the value of x?
Svetlanka [38]

Answer:

<h3>30° is the value of X°.</h3>

<h3>Explanation:</h3>

2x+90°+x°=180

or, 2x+x=180-90

or, 3x= 90

or, x= 90/3

or, x= 30°

Therefore , the value of X is 30°.

<h3> It maybe helps you ☺️☺️</h3>

Thank you ☺️☺️☺️

3 0
3 years ago
Read 2 more answers
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