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Jonathon Rolfson

Feb 20, 2025

V=4/3πr3 and solve for r.?

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Bernhard White

Feb 20, 2025

V=4/3π r^3r^3 = 3/4*V/π r= Qubic root of [3/4 * V/π].P.S. I don't understand your answer; 6pi2V over 2pi would be the same as 6V and that isn't right. It could be right if you had some extra information about r in the terms of V or something similar. I just don't know.Sorry!... Show More
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Bernhard White

Feb 20, 2025

V = 4/3 TT r^3 , taking TT for Pi since I couldn't write itDivide both side by 4/3: 'Anything' divided by a number of the form a/b where b is different from 0, is the same as 'Anything' multiplied by b/a, wherever a is different from 0. So then V divided by 4/3 = 3/4 V.... right? And similar division of the equation on the right gets rid of the 4/3. 3/4 V = TT r^3 ... now divide both sides by pi and you will have 3/41/TTV = 3V/4TT = r^3.... then take the cube root of both sides. The one on the right becomes r. Therefore,r = (3V/4TT)^1/3 .... Remember when a number is raised to any number 1/a (where a is different from 0), it is the same as computing the ath root of that number. So raising 3V/4TT to 1/3 means the cube root of 3V/4TT. So your answer is: r = (3V/4TT)^1/3... Show More
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Bernhard White

Feb 20, 2025

Volume of a sphere= 4/3piradius^3To solve for "r" you need to know the volumeTo find the volume you need to know what r is.... Show More
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