Related Rates The Surface Area of a Cube

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Related Rates The Surface Area of a Cube. All edges of a cube are expanding at a rate of 5 centimeters per second. How fast is the surface area changing when each edge is 3 centimeters?
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This video was very helpful with my homework assignment. Thank you so much for taking the time to create and post this video.

sohoyankee
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I spent an hour trying to figure this out. It was a breeze as soon as I viewed this video. Thanks!

angelaelizando
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Word problems have always been my weakness but you made this one look easy. Just out of curiosity where do you teach?

chriswilliams
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Thanks so much for this video! I didn't get it in class but have it down because of your video!

kayshah