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pshichka [43]
2 years ago
12

The diameter of a circle measures 24 ft. What is the circumference of the circle?

Mathematics
1 answer:
svetlana [45]2 years ago
7 0

Answer:

75.39 ft²

Step-by-step explanation:

The formula to the circumference of a circle is 2π·r

To get the radius of a circle we need to divide the diameter of the circle by 2

24÷2=12

Now we input the numbers into the formula

2π·12=

6.28·12=75.39ft²

Therefore, the circumference of the circle is 75.39 ft², respectively.

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The Pythagorean theorem tells you that distance is
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3 years ago
Simplify x + 6.2 + 8.5.<br>6.2x + 8.5<br>x + 14.7<br>0 14.7×​
Alenkinab [10]

Answer:

x + 14.7

Step-by-step explanation:

Simply combine like terms. Constants go with each other and <em>x</em> terms go with each other.

6.2 + 8.5 = 14.7

x = x

x + 14.7

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Five chips numbered 1 through 5 are placed in a bag. A chip is drawn and replaced. Then a second chip is drawn. Find the probabi
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12345

The odds of drawing an even chip are \frac{2}{5}.

The odds of drawing an odd chip are \frac{3}{5}.

You multiply the two \frac{2}{5} x  \frac{3}{5} =  \frac{6}{25}.

Knowing you cannot simplify 6/25 any further, you now have your answer!


Hope this helps! <3

6 0
3 years ago
Give the first ten terms of the following sequences. You can assume that the sequences start with an index of 1. Logs are to bas
Vitek1552 [10]

Answer:

a)

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a2 = log(2) = 1 (2¹ = 2)

a3 = log(3) = ln(3)/ln(2) = 1.098/0.693 = 1.5849

a4 = log(4) = 2 (2² = 4)

a5 = log(5) = ln(5)/ln(2) = 1.610/0.693 = 2.322

a6 = log(6) = log(3*2) = log(3)+log(2) = 1.5849+1 = 2.5849 (here I use the property log(a*b) = log(a)+log(b)

a7 = log(7) = ln(7)/ln(2) = 1.9459/0.6932 = 2.807

a8 = log(8) = 3 (2³ = 8)

a9 = log(9) = log(3²) = 2*log(3) = 2*1.5849 = 3.1699 (I use the property log(a^k) = k*log(a) )

a10 = log(10) = log(2*5) = log(2)+log(5) = 1+ 2.322= 3.322

b) I can take the results of log n we previously computed above to calculate 2^log(n), however the idea of this exercise is to learn about the definition of log_2:

log(x) is the number L such that 2^L = x. Therefore 2^log(n) = n if we take the log in base 2. This means that

a1 = 1

a2 = 2

a3 = 3

a4 = 4

a5 = 5

a6 = 6

a7 = 7

a8 = 8

a9 = 9

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I hope this works for you!!

3 0
2 years ago
If KN =29, what is CN?
Nostrana [21]
29kn are equal to cn 2900000
Hope it was right.
6 0
3 years ago
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