Part c If the surface area is 150 square inches. in text mode YOu can type in (3*pi+[)(x+[) There T+l more information in the Introduction t0 Mobius unit.
and you can solve that using the quadratic formula_ If you want type in 3I+1 in MMobius. This equation is the same as 2 wr2 + 16 wr which is quadratic equation in the variable r. Iverse function: You need solve for Here You would start With A = 27r2 + 16 Tr. Write the radius finction of A This is the inverse function to A(r).ie to turn A as function of r into. Part b Continue t0 aSSUme that the height of your cylinder is inches. Inches if the surface area is 150 square inchesĥ months, 2 weeks ago The height of the cylinder is inches:Ĭylinder (round can) has circular base and circular top with vertical sides in between: Let r be the radius of the top of the can and let h be the height: The surface area of the cylinder: 27r2 2urh (it'$ Iwo circles for the top and bottom plus rolled up rectangle for the side) you could Use spreadsheet such as Microsoft Excel or OpenOffice Calc and type in =sqrt( 17.3) Use browser to connect t0 the Internet and type in sqrt( 17.3) into search field Use calculator Round your answer to decimal places Hint: To compute numeric square root such as V17.3. then what 1s the rardius T? In other words. and you can solve that using the quadratic formula If you want type in 3I+1 in MMobius. What is the domain of A(r)? In other words.
Part a: Assume that the height f your cylinder is 8 inches: Consider A as finction of So we Canl write that as A(r) = 2 772 +16 mr.
We'Il be analyzing the surface area of round cylinder in other words the amount of material needed "make can'Ĭylinder (round can) has circular base and circular top with vertical sides in between: Let r be the radius of the top of the can and let h be the height: The surface area of the cylinder: 27r2 2urh (it'Iwo circles for the top and bottom plus rolled up rectangle for the side) SOLVED: The height of the cylinder is inches:
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