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Solve For r
Is that all you are given in the problem, or is there more?
Thats All .
No, it is ok... right now, it is "solved" for C... you need to get "r" all by itself instead.
How Do I Do That Tho ?
If you divide both sides of the equation by 2pi, the right side simplifies to just "r"
u just need values of r
So its C-2pi=r ?
whatever the vaue of r is put in that formula and pi has value 3.14
There is no Value of R
if you don't have a value of r, that's fine... "solving for r" just means writing the expression down in a way where it starts like "r = "
so, r = C / (2pi) is solving your original expression for "r"
Isnt it Negative tho ?
why would it be negative?
To Be Able To Get It To The Other Side .
no, you don't subtract anything... don't let the 2pi term confuse you
Ohh Okay . Gosh Its Confusing .
Think of easier stuff like this... if I said C = 5r, solve for r, you would divide both sides by 5, leaving you with C/5 = r, or you could just reverse it and answer r = C/5
Ohh Well That Makes Sense . So Basicly The Answers ; R=C2pi ?
2pi is just some number... happens to be a little more than 6 since pi is about 3.14, but don't even worry about that.... just divide both sides by "2pi". On the r side, the 2pi divides out and "goes away" :)
R = C / 2pi you divide C by 2pi, just like you divided (2pi)(R) by 2pi to get just R
o.o Wait . How do i divide it by C ?
What class/grade are you in?
Algebra 1 & FreshMan
Lol Yeah .
& You ?
so, any equation like y = 2x can be rewritten by dividing both sides of it by the same thing... for example, divide both sides of y = 2x by 2..... y = 2 x (y/2) = (2x)/2 y/2 = x This starts with an expression of y and "solves it for x"
Ohhh . Well Thanks For All The Help ! It Is Very Very Appreciated(:
you need the same idea with C = (2pi)R C = (2pi)R C/2pi = [ (2pi)(R) ] / (2pi) C/2pi = R <<<--- because the 2pi cancels out
No problem... btw, I graduated... just like math and helping :) Keep up the good work :)
Ohh Very Cool . (: & Ima Try Lol .