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Phantasy [73]
3 years ago
7

A circular pool has a radius of 3.2 meters. which is closest to the area of the pool

Mathematics
1 answer:
almond37 [142]3 years ago
3 0

Answer:

32.17

Step-by-step explanation:

A= \pi × r^{2}

A= \pi × 3.2^{2} ≈ 32.16991

A= 32.17

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What is the probability that a random permutation of the letters in MATHEMATICS contains the word TEA (with those three letters
Wewaii [24]

Answer:

The probability that a random permutation of the letters in MATHEMATICS contains the word TEA is 0.04.

Step-by-step explanation:

First compute the number of permutations of the word MATHEMATICS.

There are a total of 11 letters.

And there are 2 Ms, 2 As and 2 Ts

Number of permutations of MATHEMATICS = \frac{11!}{2!\times2!\times2!} = 4989600

Now, if the letters TEA occur together in the same order then the word may be of the form: (TEA)MHMATICS.

There are a total of 9 letters.

The letters TEA is treated as only one letter.

In this case there are 2 Ms.

Number of permutations of (TEA)MHMATICS = \frac{9!}{2!} = 181440

The probability that the letters TEA occur together is:

\frac{Number\ of\ permutations\ of\ MATHEMATICS}{Number\ of\ permutations\ of\ (TEA)MHMATICS} = \frac{181440}{4989600} \\=0.0363636\\\approx0.04

Thus, the probability that a random permutation of the letters in MATHEMATICS contains the word TEA is 0.04.

5 0
3 years ago
Helpppp how do I do this? ​
zhannawk [14.2K]

The angles shown are

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5 0
1 year ago
I will give you extra point and mark you braniest if you give me an explanation on how to find the answer.
EastWind [94]

Answer:

Step-by-step explanation:

The surface area of a cylinder is 2pi *rh + 2pir^2, where r and h are radius and height, respectively. (If you want me to explain this, comment down below). Anyways, we can simply plug in 11 and 8 in the formula, so 2* 8*11*pi + 2* pi * 8^2=304pi. Thus, we do 304 * 3.14=954.56.

4 0
3 years ago
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MaRussiya [10]
8000*6 =15 multiple all that
6 0
2 years ago
The variable z is directly proportional to x, and inversely proportional to y. When x is 20 and y is 6, z has the value 66.66666
sergejj [24]

Answer:

41.667 to the nearest thousandth.

Step-by-step explanation:

z = kx/y where k is the constant of proportionality.

Inserting the given values:

66.666666666667 = k*20/6

20k = 6*66.666666666667

k = 6*66.666666666667 / 20

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So the equation of variation is z = 20x /y

When x = 25 and y = 12:

z = 20*25/12

= 41.666666666667.

6 0
3 years ago
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