Solve the system of equations using Cramer's rule.x+ y+ z = 10,000x- z = -5000.03x + 0.05y - 0.07z = 20
A. (3500, 3500, 4000)
B. (2500, 4000, 3500)
C. (3000, 3500, 3500)
D. (3000, 3000, 4000)
Answer: C
Mathematics
You might also like to view...
Solve the problem.A couple plans to have four children. Using a tree diagram , obtain the sample space. Then, find the probability that the family has at least one boy.
A. 
B. 
C. 1
D. 
Mathematics
Determine whether the statement is true or false.The graph of 
- 
= 1 is a horizontal ellipse.
A. True B. False
Mathematics
Solve the inequality, then graph the solution.11 < -3x + 5 ? 23
A. (-6, -2]
B. [2, 6)
C. [-6, -2)
D. (2, 6]
Mathematics
Perform the indicated operation and, if possible, simplify.
? 
A. 30
B. 10
C. 3
D. 30
Mathematics