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Natasha_Volkova [10]
3 years ago
15

What is the volume of a cylinder that has a diameter of 22km and a height of 7km

Mathematics
1 answer:
sukhopar [10]3 years ago
8 0

Answer:

2660.94km³

Step-by-step explanation:

the volume V of a cylinder is given by πr²h, where r is the radius and h is the height and π = 3.1416

r = diameter/2 = 22/2 =11km

V = 3.1416 * 11² * 7 = 2660.9352 km³

V = 2660.94km

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aleksandrvk [35]
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x/y=xy⁻¹

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7 0
3 years ago
How many states were added in the US between 1795 and 1855
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There were 16 states added. 
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3 years ago
If x and y vary directly and x=25 when y=100 find x when y=24.<br> PLEASE HELP FASTTTTTTT
Veseljchak [2.6K]

Answer:

x = 6

Step-by-step explanation:

Given that x and y vary directly then the equation relating them is

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4 = k

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6 0
3 years ago
What’s the correct answer for this?
slava [35]

Answer:

1/4

Step-by-step explanation:

Let's denote the probabilities as following:

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P(A) = 12/28

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P(B) = 7/28

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Probability that a selected teenager has a sister also has a brother, or in other words, he/she has a brother, given he/she had a sister:

P(B|A)

Let's apply the formula of conditional probability to work out P(B|A)

P(B|A) = P(A⋂B)/P(A) = (3/28)/(12/28) = (3*28)/(12*28) = 3/12 = 1/4

=> Option C is correct

Hope this helps!

7 0
3 years ago
Which of the following examples has a unit rate of 12 yards per second? Select all that apply.
Bogdan [553]
B C and E have a unit rate of 12 yards or second
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3 years ago
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