Using 
3.14, find the approximate area of a circle with radius r = 10 cm.
What will be an ideal response?
314 
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = x2 - 3, y = 2x, x = 0, for x ? 0
A. 18?
B. 
?
C. 45?
D. 
?
Mathematics
Solve the indicated equation analytically.A coil of wire rotating in a magnetic field induces a voltage given by 
where t is time in seconds. Find the smallest positive time to produce a voltage of 10
.
A. 2.8 s B. 2.8? s C. 3 s D. 3? s
Mathematics
Find the standard deviation of the data summarized in the given frequency table.A company had 80 employees whose salaries are summarized in the frequency table below. Find the standard deviation. 
A. 8600.4 B. 7963.3 C. 8361.5 D. 8839.3
Mathematics
Divide. Simplify the answer.4
÷ 11
A. 
B. 
C. 
D. 
Mathematics