Answer:
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Answer:
C. 570.20 ft²
Step-by-step explanation:
Surface
A = 2·pi·r^2 + 2·pi·r·h
A = 2·pi·5.5^2 + 2·pi·5.5·11 = 570.20 ft²
Answer:
The value of given expression is 0, where m=21 and n=12.
Step-by-step explanation:
The given expression is
![\dfrac13m-1-\dfrac12n](https://tex.z-dn.net/?f=%5Cdfrac13m-1-%5Cdfrac12n)
substitute m=21 and n=12 in the above expression.
![\dfrac13m-1-\dfrac12n=\dfrac13(21)-1-\dfrac12(12)](https://tex.z-dn.net/?f=%5Cdfrac13m-1-%5Cdfrac12n%3D%5Cdfrac13%2821%29-1-%5Cdfrac12%2812%29)
![\dfrac13m-1-\dfrac12n=7-1-6](https://tex.z-dn.net/?f=%5Cdfrac13m-1-%5Cdfrac12n%3D7-1-6)
![\dfrac13m-1-\dfrac12n=7-7](https://tex.z-dn.net/?f=%5Cdfrac13m-1-%5Cdfrac12n%3D7-7)
![\dfrac13m-1-\dfrac12n=0](https://tex.z-dn.net/?f=%5Cdfrac13m-1-%5Cdfrac12n%3D0)
Therefore the value of given expression is 0, where m=21 and n=12.