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Author Question: A ball of radius r has volume V(r) = r3 cubic units. This volume can be regarded as a sum of ... (Read 305 times)

imowrer

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on: May 26, 2021
A ball of radius  r  has volume V(r) = π r3  cubic units. This volume can be regarded as a sum of volumes of concentric spherical shells having radii  x  units (where  0 ≤ x ≤ r)  and thickness  dx.  Use this fact to find the surface area  S(r)  of a sphere of radius  r.
◦ S(r) = π r2  square units
◦ S(r) = 2 π r2  square units
◦ S(r) = 4 π r2  square units
◦ S(r) = 8 π r2  square units
◦ S(r) = 8 r2  square units
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Marked as best answer by imowrer on May 26, 2021

Ptupou85

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Reply #1 on: May 26, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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imowrer

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Reply 2 on: May 26, 2021
Excellent

helenmarkerine

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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