Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement.~(p ? q) ? (r ? ~q)
A. False
B. True
Answer: B
Mathematics
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Find the center of mass of a thin plate of constant density covering the given region.The region bounded by y = x2 and y = 16
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 0, 
= 
Mathematics
Choose the graph that models the situation best.The average cost of a new house over the past 20 years.
A. 
B. 
C. 
D. 
Mathematics
Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 12tk
A. T(t) = 
i + 
j - 
k
B. T(t) = 
i + 
j - 
k
C. T(t) = 
i + 
j - 
k
D. T(t) = 
i + 
j - 
k
Mathematics
Find the standard form of the equation of the ellipse satisfying the given conditions.Major axis horizontal with length 20; length of minor axis = 12; center (0, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics