Solve using Cramer's rule. 4x - 6y + 6z = 40-5x + 5y - 7z = -59 9x - 5y - 9z = -25
A. (8, 3, 7)
B. (7, -5, -7)
C. (5, 7, 5)
D. (7, 5, 7)
Answer: D
Mathematics
You might also like to view...
Find the indicated intersection or union.{4, 8, 12, 16} ? {3, 6, 9, 12}
A. {3, 4, 8, 9, 12, 16} B. {3, 4, 6, 8, 9, 12, 16} C. {12} D. {3, 4, 6, 8, 9, 12, 12, 16}
Mathematics
Simplify.- 
A. does not exist as a real number B. -180 C. -19 D. 19
Mathematics
Round the number as indicated.6806 to the nearest thousand
A. 7000 B. 7100 C. 8000 D. 6890
Mathematics
Find the perimeter. Use 3.14 for ? when needed.
A. 54.84 m B. 61.68 m C. 42.84 m D. 36.84 m
Mathematics