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nadya68 [22]
3 years ago
6

The surface area of a cylinder is given by the equation 2πrexponet2 +2πrh, where r is the radius of the cylinder and h is the he

ight of the cylinder. What is the surface area of a cylinder with the radius x-1 and height 2x?

Mathematics
1 answer:
son4ous [18]3 years ago
5 0
The surface area of a cylinder is given by the equation 2πrexponet2 +2πrh, where r is the radius of the cylinder and h is the height of the cylinder. What is the surface area of a cylinder with the radius x-1 and height 2x?

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<u><em>Answer:</em></u>
both numbers are negative
negative number is greater than the positive number

<u><em>Explanation:</em></u>
<u>In order to add two rational numbers and get a negative value, one of two scenarios should occur:</u>
<u>1- both numbers are negative.</u>
In this case, the answer would definitely be negative as the two numbers are originally negative
<u>Examples:</u>
-9 + -2 = -9 - 2 = -11
\frac{-1}{2} +   \frac{-3}{2} =  \frac{-4}{2} = -2

<u>2- negative number is greater than the positive number</u>
In this case, the negative sign would dominate and the result would be negative
<u>Examples:</u>
-9 + 3 = -6
\frac{-5}{6} +  \frac{2}{6} =  \frac{-3}{6}

Hope this helps :)
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