23 10/100 is how you would write it
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➷ The formula for surface area of a cylinder is:

The radius is half the diameter
radius = 8/2 = 4
Substitute the values in:

Solve it:
surface area = 
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Answer:
Amish driving buggies and using horses and mules instead of tractors
Step-by-step explanation:
Answer:
-5x^2 - 25x + 18
Step-by-step explanation:
-3x ( x + 8 ) + x + 2 ( 9 - x - x^2 ) ( original equation )
-3x^2 - 24x + x + 18 - 2x - 2x^2 ( distribute )
-3x^2 - 2x^2 - 24x + x - 2x + 18 ( order them based on the variables . )
( -3x^2 - 2x^2 ) (- 24x + x - 2x ) ( + 18 ) ( just separated them not a part of solving !! )
-5x^2 - 25x + 18 ( solved , and the answer :) )
Hope its helps !!!
Answer: 67 miles per hour
Step-by-step explanation:
where v is velocity, s is space and t is time;
= 67