The area of revolution is the integral of 2π(radius)(differential of arc length).
![\int\limits^2_1 {2 \pi t^3 \sqrt{(9/4)t^4 +36)}} \, dt](https://tex.z-dn.net/?f=%20%5Cint%5Climits%5E2_1%20%7B2%20%5Cpi%20t%5E3%20%5Csqrt%7B%289%2F4%29t%5E4%20%2B36%29%7D%7D%20%5C%2C%20dt)
= (2π/27)*(72^(3/2) -38.25^(3/2)) ≈ 87.1215
False, the cosecant is the inverse of the sine function.
Answer:
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Step-by-step explanation:
Answer:
2770.9 in³
Step-by-step explanation:
A cylinder has a base radius of 7in and a height of 18in. What is its volume in cubic inch to the nearest tenths place?
The formula for the volume of a cylinder is given as:
πr²h
r = radius = 7 in
h = height = 18 in
Hence:
Volume of the cylinder = π × 7² × 18
= 2770.88472 in³
Approximately to the nearest tenth = 2770.9 in³
6000 divided by 3 = 2000 miles per hour which is a LOT if wrong sorry