Solve the linear system using an inverse matrix. x + 2y + 3z = 10 x + y + z = -42x + 2y + z = -5
A. (-21, 20, -3)
B. (40, 8, -5)
C. (-14, 50, 7)
D. (-11, -20, -13)
Answer: A
Mathematics
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Express the integrand as a sum of partial fractions and evaluate the integral.
A. 2 ln 
+ 
tan-1 
+ C
B. ln 
+ 
tan-1 
+ C
C. 2 ln 
+ 
tan-1 
+ C
D. 2 ln 
+ tan-1 
+ C
Mathematics
Find the flux of the vector field F across the surface S in the indicated direction.F = xi + yj + z2k; S is portion of the cone z = 3
between z = 3 and z = 6; direction is outward
A. - 
B. 
?
C. 
?
D. - 
?
Mathematics
Provide an appropriate response.When looking at the problem "32 is 16% of what number?" 32 is the percentage.
A. True B. False
Mathematics
Use the graph to answer the question.
What were the total sales for the first 6 months of 2009?
A. $366,000 B. $286,000 C. $302,000 D. $64,000
Mathematics