Solve the equation. If necessary, round to thousandths.
x = 13
A. -2.600
B. 1.594
C. -0.627
D. -1.594
Answer: D
Mathematics
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Evaluate the integral.
A. 
sin-1 
+ C
B. sin-1 
+ C
C. tan-1 
+ C
D. 
tan-1 
+ C
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Solve the problem.A company builds pole buildings. They only construct the outer shell and hire subcontracters for any interior framing and finishing. The total number of hours of labor y required to build the outer shell and the area x in square feet of the building is given for 5 buildings. 
Find the least squares line through the origin.
A. y = 0.1104x - 4.2238 B. y = 0.1180x C. y = 0.1086x D. y = 0.1067x
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Find the inverse of the matrix (if it exists).A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 = 
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Write the sum in summation notation.
+ 
+ 
+ . . . + 
A. 
B. 
C. 
D. 
Mathematics