Solve the problem.The surface area of a cylinder with height, h, and base radius, r, is given by A = 2?rh + 2?r2. Using 3.14 for ?, find the surface area of a cylinder with a radius of 3 cm and a height of 50 cm.
A. 3768 cm2
B. 960.84 cm2
C. 942 cm2
D. 998.52 cm2
Answer: D
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.c(u ? v) = cu ? cv (any number c)
What will be an ideal response?
Mathematics
Find the limit, if it exists.
A. -1 B. 1 C. 0 D. Does not exist
Mathematics
Find the potential function f for the field F.F = - 
i + 
j - 
k
A. f(x, y, z) = 
- 
+ 
+ C
B. f(x, y, z) = 
+ C
C. f(x, y, z) = ln (y - x - z) + C
D. f(x, y, z)= ln 
+ C
Mathematics
Find the exact value of the expression without using a calculator.sin 
cos 
+ cos 
sin 
A. 
B. 
C. 
D. 1
Mathematics