Solve using Gauss-Jordan elimination. 6x + 4y = 0 4x + 2y = -2
A. (3, -2)
B. (-2, -3)
C. (-2, 3)
D. No solution
Answer: C
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Fill in the table to solve the problem.
A. pounds lost: 44; pounds lost per week: 5.5 B. pounds lost: 44; pounds lost per week: 352 C. pounds lost: 44; pounds lost per week: 2.8 D. pounds lost: 380; pounds lost per week: 47.5
Mathematics
Solve the inequality.
< 0
A. (-1, 0) ? (0, 4) B. (-1, 0) ? (4, ?) C. (-?, -1) ? (0, 4) D. (-1, 4)
Mathematics
Simplify the expression.(-4.3)2
A. 18.49 B. -8.6 C. -18.49 D. 55.47
Mathematics