Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 
Answer: C
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Find the amount paid by each of the multiple carriers.The Robins Furniture Company had an insured fire loss of $139,000. It had insurance coverage as follows: Company A, $475,000; Company B, $325,000; and Company C, $175,000. Find the amount paid by each carrier assuming that the coinsurance requirement had been met.
A. $71,282.05, $44,551.28, $23,166.67 B. $64,153.85, $42,769.23, $32,076.92 C. $62,371.79, $44,551.28, $32,076.92 D. $67,717.95, $46,333.33, $24,948.72
Solve the problem.The distance from Claudia's office to her home is 33,000 feet. Estimate this distance in miles.[Hint: first round the distance to the nearest ten thousand feet. Then round the conversion equivalent for the number of feet in a mile to the nearest thousand feet. Then finish the calculation.]
A. 60 mi B. 6 mi C. 0.6 mi D. 30 mi
Use common or natural logarithms to solve the exponential equation symbolically.4(3x - 1) = 15
A. x = - 
- 3
B. x = 
+ 1
C. x = 
- 
D. x = 
+ 
Decide whether or not the events are commutative.Recording a check or a deposit in your check book if both are made on the same day.
A. Yes B. No