Answer: 7 π r² + π r³
Explanation:
1) The general formula for the volumen, V, of a cylinder with radius r and height h is:
V = π r² h
2) Now you have the condition that the height is 7 inches greater than the radius, that is:
h = 7 + r
3) Replace h with its expression
V = π r² (7 + r)
4) Expand the product (use distributive property):
V = π (7r²) + π r³ = 7 π r² + π r³
Answer: 7 π r² + π r³
Radius = r = 1 foot
Angular velocity = w = 1 revolutions in 4 seconds
So,
w = 0.25 revolutions per second
Since,
1 revolution = 2π radians
We can write the above equation as:
w = 0.25 x 2π radians per second = 0.5π radians per second
Linear Velocity = v = r w
Using the values, we can write:
v = 1 x 0.5π
= 0.5 π
= π/2 feet per second
Therefore, the correct answer is option B
The measure of FHG is 64°.
Hello,
The answer to this problem is, C.
4 minus the quotient of a number and 3
Hope this helps!
Just read the table!
<span>From "the probability that a randomly chosen tree": </span>
<span> ⇒ How many Trees? </span>
<span>Write the denominator. </span>
<span>From "will be a California redwood tree taller than 300 ft"" </span>
<span> ⇒ How many California redwood tree taller than 300 ft? </span>
<span>Write the numerator. </span>
<span>Done.
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