Check the following addition. If the answer is incorrect, give the correct answer.
1736
A. Incorrect; should be 1836
B. Correct
C. Incorrect; should be 1734
D. Incorrect; should be 1738
Answer: B
Mathematics
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Use the inverse of the coefficient matrix to solve the system of equations. y + z = 8,3x -z = 5, 2x + y + 3z = 9; A-1 = -
A.
B.
C.
D.
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. cis 20°,
cis 140°,
cis 260°
B. cis 20°,
cis 140°,
cis 260°
C. cis 30°,
cis 150°,
cis 270°
D. cis 20°,
cis 140°,
cis 260°
Mathematics
Graph the system of inequalities. Shade the region that represents the points of intersection.
A.
B.
C.
D.
Mathematics
Evaluate.m2 when m = 3
A. 3 B. 9 C. 6 D. 5
Mathematics