Answer:
Step-by-step explanation:
<u>Rotation about the y-axis</u>
where:
- b = upper limit
- a = lower limit
- x is a function of y
Given function of y:
Rewrite the given function as a function of y:
Substitute the values into the formula:
Take out the constant and integrate:
Therefore, the <u>exact value</u> of the volume of revolution is:
Learn more about integration here:
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brainly.com/question/27805589
Answer:
6n i guess?
Step-by-step explanation:
think of as this
n=1 (1n)
n×6=n6
Answer:
172.7 ft²
Step-by-step explanation:
Fencepost = Cylinder
Cylinder surface area : A = 2πrh + 2πr²
Cylinder surface area : A = 2 (3.14 × 0.5ft × 5ft) + 2 (3.14 × 0.5²ft) =
15.7 + 1.57 = 17.27 ft²
17.27 ft² × 10 = 172.7 ft²
Answer:
Step-by-step explanation:
to be honest with you idk but your probaly wondering then y are you answering this if u dont know welllll its all about the points so if i answer this then i get points and i need need points to help me on my stupid homwork. plz say thanks to this and give me a five star rating, help a sis out, also i rember doing this like a month ago but i complete forgot cause it was not important, good luck on your homwork tho, feel free to do the same thing on my questions!