Use a graphing calculator to solve the system of equations. Round your solution to one decimal place.1.3x + 2.1y - 4.2z = 3.14.0x - 6.4y + 0.4z = -4.53.8x + 4.4y + 3.9z = 11.3
A. (4.3, 5.6, 1.2)
B. (2.1, 2.8, 0.6)
C. (1.1, 1.4, 0.3)
D. (0.5, 0.7, 0.1)
Answer: C
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Use a definite integral to find an expression that represents the area of the region between the given curve and the x-axis on the interval [0, b].y = 6x
A. -3b2 B. -6b C. 3b2 D. 6b
Provide an appropriate response. A pressure gauge in a cannery reads 42.057 psi (pounds per square inch). If the desired reading is 42.05 psi with a tolerance of ±0.004 psi, is the gauge within the tolerance bounds? What is the tolerance range?
A. No; ±42.046 psi B. Yes; 42.054 psi and 42.046 psi C. No; 42.054 psi and 42.046 psi D. Yes; ±42.054 psi
Does the system have one solution, no solution, or an infinite number of solutions? x - 2y = 52x - 4y = 18
A. One B. No Solution C. Infinite number
Graph the equation. ? r = 5 ?
A. 
B. 
C. ?
D. 
E. 