Use Gaussian elimination to solve the linear system by finding an equivalent system in triangular form.
A. (4, -4, 2)
B. no solution
C. (2, -4, 4)
D. (2, 4, -4)
Answer: A
Mathematics
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Find the perimeter. Use 3.14 for ? when needed.
A. 20.56 cm B. 6.28 cm C. 12.56 cm D. 16.56 cm
Mathematics
Solve the problem.Fill in the missing blanks of this subtraction problem.
A. (a) 3, (b) 1, (c) 8, (d) 5 B. (a) 3, (b) 1, (c) 7, (d) 4 C. (a) 2, (b) 1, (c) 7, (d) 5 D. (a) 2, (b) 2, (c) 6, (d) 5
Mathematics
Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.
A. 10° B. 45° C. 0° D. 90°
Mathematics
Solve the given equation for the indicated variable.A = 
bh for h
A. h = 
B. h = 
C. h = 
D. h = 
Mathematics