Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.5x + 2y + z =-112x - 3y - z=177x - y=12
A. no solution
B. (0, -6, 1)
C. (1, -5, 0)
D. (-2, 0, -1)
Answer: A
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Find the area of the triangle. Round your answer to two decimal places as needed.
A. 148.5 m2 B. 99 m2 C. 297 m2 D. 247.5 m2
Solve the triangle.a = 7, c = 11, B = 126°
A. b = 19, A = 23°, C = 31° B. b = 16.1, A = 21°, C = 33° C. b = 21.9, A = 19°, C = 35° D. no triangle
Find the length of the third side of the right triangle. Assume that c represents the length of the hypotenuse. Give an exact answer and, if appropriate, an approximation to three decimal places.a = 6, b = 8
A. c = 48 B. c = 14 C. c = 10 D. c = 100
Solve the problem.An architect needs to design a rectangular room with an area of 92 ft2. What dimensions should he use in order to minimize the perimeter? Round to the nearest hundredth, if necessary.
A. 9.59 ft × 9.59 ft B. 23 ft × 23 ft C. 18.4 ft × 92 ft D. 9.59 ft × 23 ft