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Mathematics 8 Online

OpenStudy (anonymous):

A solid is generated when the region in the first quadrant is enclosed by the graph of y=Sqrt[x] and x=4, the x axis. The y axis is then revolved around about the x-axis. What is the final volume? A. 4n B. 8n C. 12n D. 20n

15 years ago

OpenStudy (amistre64):

pi [S] x dx ; [0,4] right?

15 years ago

OpenStudy (amistre64):

my guess is 4n whatever n is spose to be i dunno

15 years ago

OpenStudy (amistre64):

lol...n measn pi lol

15 years ago

OpenStudy (amistre64):

4 pi :)

15 years ago

OpenStudy (amistre64):

wait...4^2 = 16../2 = 8

15 years ago

OpenStudy (amistre64):

8'n' lol

15 years ago

OpenStudy (anonymous):

oh wow! It was pi! I was reading it and I was like what is that?! THANK YOU SO MUCH!!!

15 years ago

OpenStudy (amistre64):

i actually had the same reaction on a few of my exams :)

15 years ago

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