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kotykmax [81]
3 years ago
12

you make two cylinders using 8.5-by-11-inch pieces of paper. One has a height of 8.5 inches, and the other has a height of 11 in

ches. without calculating, compare the surface areas of the cilynders.

Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0
The second cylinder is taller correct? 
8 in < 11 in 

If the height is also larger, the base is most likely larger too.

Wouldn't the largest cylinder have a Larger surface area?

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Let's set up two equations:
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 x+y= 20
   -y    -y
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substitute into the other equation:    
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So she brought  5 big cases.  Then substitute the value of y into one of the equations.

5+ x = 20 
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So we bought 15 small cases and 5 big cases. 

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