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pi r^2 (40) = 1131 r =sqrt (1131/(40pi))
i dont get it
hello are you still there
volume of cylinder is pi* r^2*h
V=1131.0, h=40 solve for r
what does ^ mean
it means to the power of
how do i solve for r
use the equation to solve for r: you have V=pi*r^2*h were h=40 and V=1131
i like mtininaya better please help me
so since we want to solve for r, we need to divide both sides by 40 and pi
take the square root of both sides to get r
im confused sorry can u go step by step
click on that up there
I divided both sides by h and pi to get r^2 by itself. i took square root of boths to get r. and then volume=V=1131 and height=h=40 and radius=r
is it 1 centimeter
is it 1 centimeter
did you look at the attachment?
the radius is sqrt(1131/[40pi])
so to divide 1131/40pi i first mulyiply 40 times 3.14 right?
If you do that, you will get an approximation. I would stop where I stoped
bt i dnt get what the answer is because in my paper is multipal choice. a.1 centimeter b.2 centimeter c.3centimeter d.centimeter
ok so they rounded it?
i get 3 centimeters then
can u show me how u got everything in the attach file
what kindof calculator do you have?
the one in the computer
ok so type 40
hit the multplication sign
hit the equal
now do 1131 and hit the division sign then type in 125.6
then last step hit the square root sign