Solve and write interval notation for the solution set.|x| ? 4.8
A. (-?, -4) ? (4, ?)
B. [-4.8, 4.8]
C. (-?, -4.8) ? (4.8, ?)
D. (-?, -4.8] ? [4.8, ?)
Answer: B
Mathematics
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Solve the problem.Find the centroid of a hemispherical shell having outer radius 10 and inner radius 5 if the density is constant.
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Mathematics
Solve the differential equation.xy '+ 4y = 
, x > 0
A. y = 
, x > 0
B. y = 
, x > 0
C. y = 
, x > 0
D. y = 
, x > 0
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x,y) = 6y2, C: y = e-x, 0 ? x ? 4
A. 2[2
- (e- 8 + 1)3/2]
B. 3[2
- (e- 8 + 1)3/2]
C. 2
D. 2
Mathematics
The Boolean expression for a 3 input AND gate with inputs A, B, and C is:
a. ABC b. AB + C c. ÄÄ AB ú C d. Ä ABC e. A + B + C
Mathematics