Solve the problem.z varies jointly as x and y. Find z when x = 35, y = 14, and k = 5.
A. z = 490
B. z = 98
C. z = 2
D. z = 2450
Answer: D
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Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open interval; {x|1 < x < 7}; (1, 7) B. closed interval; {x|1 ? x ? 7}; [1, 7] C. half-open interval; {x|1 ? x < 7}; [1, 7) D. half-open interval; {x|1 < x ? 7}; (1, 7]
Determine algebraically whether the graph is symmetric with respect to the x-axis, the y-axis, and the origin.y = |16x|
A. y-axis only B. x-axis only C. x-axis, y-axis, origin D. Origin only
Solve the problem.A satellite dish is shaped like a paraboloid of revolution. The signals that emanate from a satellite strike the surface of the dish and are reflected to a single point, where the receiver is located. If the dish is 8 feet across at its opening and is 2 feet deep at its center, at what position should the receiver be placed?
What will be an ideal response?
Solve the equation.0.6(15x - 4000) = -0.8(17x + 3000) + 25.7x
A. 0.32258065 B. -774.19 C. 1 D. 0