Evaluate the double integral by first identifying it as the volume of a solid.
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c. 60
Mathematics
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Evaluate the integral.
dt
A. 3 ln
+ 
+ C
B. 4 ln
- 
+ C
C. 3 ln
- 
+ C
D. 3 ln
- 
+ C
Mathematics
Find the perimeter of (distance around) the given figure by adding the lengths of the sides.
A. 15.4 m B. 10 m C. 20 m D. 14.6 m
Mathematics
Write the system
?
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as a matrix equation AX = B, where A is the coefficient matrix of the system, X is a column matrix of variables, and B is the column matrix of constants. Multiply each side of the equation on the left by the matrix inverse of A to obtain an equivalent system of equations and solve it.
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Please enter your answer in the form x = , y = , z = .
What will be an ideal response?
Mathematics
Simplify by factoring.
A. 5 
B. 15
C. 2 
D. 6
Mathematics