Solve the problem.For a circle of radius 4 feet, find the arc length s subtended by a central angle of 30°. Round to the nearest hundredth.
A. 6.28 ft
B. 376.99 ft
C. 4.19 ft
D. 2.09 ft
Answer: D
Mathematics
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Solve the problem.A solid of constant density is bounded below by the plane 
above by the cone 
and on the sides by the cylinder 
Find the center of mass.
A. (0, 0, 
)
B. (0, 0, 3)
C. (0, 0, 
)
D. (0, 0, 5)
Mathematics
Find the derivative of the function at the given point in the direction of A.
A = 12i - 5j
A. 
B. 
C. 
D. 
Mathematics
Find the matrix product when possible.
A. 
B. 
C. 
D. They cannot be multiplied.
Mathematics
Match the following reasons to complete the proof.
?1 ??3 _____________________
Mathematics