Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. x - y + z = 25x + y + z = 0-x + y - z = -5

A. Inconsistent
B. Dependent
C. Independent

Answer: A

Mathematics

Combine and simplify, if possible.-3 + y

A. (-3x²y + xy⁴) or xy³(-3x + y²)
B. (-3x²y + xy³) or xy(-3x + y²)
C. (-3x²y + y³) or y²(-3x + y)
D. (-3xy + xy³) or xy²(-3 + y)

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Mathematics

The bar graph below shows the yearly net income for Widgets, LTD. Find the total net income for all years shown.

A. -$40,000 B. $109,000 C. $447,000 D. $258,000

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Mathematics

Indicate whether the graph of the equation is a parabola, circle, ellipse, or hyperbola.x2 = 100 + 4y2

A. parabola B. circle C. ellipse D. hyperbola

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Mathematics

Assume x and y are functions of t. Evaluate dy/dt.x4/3 + y4/3 = 2; dx/dt = 6, x = 1, y = 1

A.
B. -6
C. 6
D. -

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Mathematics