Use a Venn diagram to decide if the statement is true or false.A ? B' = (A' ? B)' 
A. True
B. False
Answer: A
Mathematics
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Solve the problem.A solid sanding machine disk has a radius of 6 cm and a mass of 4 kg. Find its moment of inertia with respect to its axis.
A. 72 kg?cm2 B. 24 kg?cm2 C. 144 kg?cm2 D. 288 kg?cm2
Mathematics
Write in if-then form.x = 8 only if 2x + 3 = 19.
A. If x ? 8, then 2x + 3 = 19. B. If x = 8, then 2x + 3 = 19. C. If 2x + 3 ? 19, then x = 8. D. If 2x + 3 = 19, then x = 8.
Mathematics
Find the unit tangent vector of the given curve.r(t) = (8 + 11t5)i + (6 + 2t5)j + (4 + 10t5)k
A. T(t) = 
i + 
j + 
k
B. T(t) = 
i + 
j + 
k
C. T(t) = 11i + 2j + 10k
D. T(t) = 
i + 
j + 
k
Mathematics
Add or subtract as indicated. Simplify the result whenever possible. Write any answer that contains an improper fraction as a mixed number. 
- 
A. 
B. 
C. 
D. 
Mathematics