Solve the system using matrices. x - y + 5z = 63x+ z = 2 x + 4y + z = 18
A. (2, 4, 0)
B. (0, 4, 2)
C. No solution
D. (2, 0, 4)
Answer: B
Mathematics
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Use the imaginary unit to write the expression.
A. -i
B. -11i
C. 11i
D. ±11
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Find the volume of the sphere satisfying the given condition. Approximate values to the nearest tenth.radius = 0.95 cm
A. 2.0 cm3 B. 28.7 cm3 C. 3.6 cm3 D. 3.8 cm3
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Solve the problem.There are 7 women running in a race. How many first, second, and third place possibilities can occur?
A. 210 B. 343 C. 35 D. 21
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Find the length of the missing side of the right triangle. Round to three decimal places, if necessary.a = 6, c = 10
A. b = 8 B. b = 7 C. b = 9 D. b = 10
Mathematics