Answer:
V = 3078.76 in³
Step-by-step explanation:
To find the volume of a cylinder, use this formula:
V = πr²h
- V = volume
- r = radius
- h = height
Plug in the values you know.
V = π(7)²(20)
First let's evaluate the exponent.
7² = 49
V = π(49)(20)
Now let's multiply.
49 • π = 153.938
153.938 • 20 ≈ 3078.76
V = 3078.76 in³
This is your answer.
Hope this helps!
So first one correct....go for it !!!
Using proportions, it is found that Yes, there could be 5 kids, with 3 boys and 2 girls.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount.
In this problem, supposing a total of 5 kids:
- More than 1/2 = 50% are boys, hence there are more than 2.5 boys, as 0.5 x 5 = 2.5.
- Less than 2/3 = 66.67% are boys, hence there are less than 3.33 boys, as 0.6667 x 5 = 3.33.
Hence, Yes, there could be 5 kids, with 3 boys and 2 girls.
More can be learned about proportions at brainly.com/question/24372153
Ratio = pages:days
Proportion
48/3 = 192/?
Or vice versa
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