Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. x + y + z = 92x - 3y + 4z = 7
A. {(- 
z + 
, 
z + 
, z)}
B. {(
, 
, 1)}
C. ?
D. {(
z + 
, - 
z + 
, z)}
Answer: A
Mathematics
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Solve the triangle. If there is more than one triangle with the given parts, give both solutions.? = 12.20°b = 18.14a = 42.92
A. No solution B. ? = 30.00°, ? = 137.8°, c = 57.66; ?' = 150.00°, ?' = 17.80°, c' = 26.24 C. ? = 150.00°, ? = 17.80°, c = 26.24 D. ? = 30.00°, ? = 137.8°, c = 57.66
Mathematics
Collect like terms and write in descending order.4z7 + 8z8
A. 8z8 + 4z7 B. 12z15 C. 12z7 D. 12z8
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Write the expression in the standard form a + bi.Given z = 7 + 5i and w = -3 + i, evaluate 
.
A. -10 - 4i B. 4 + 6i C. 10 + 4i D. 10 - 4i
Mathematics
Find the distance between the pair of points. Round to the nearest thousandth.
and 
A. 0.833 units B. 0.997 units C. 1.003 units D. 12 units
Mathematics