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Solve the system x−y+2z=7y+z=−12x−2y+z=11{“version”:”1.1″,”math”:”x-y+2z=7\\ y+z=-1\\ 2x-2y+z=11″} Give as answer x+y+z

Ethical principles developed by psychologists urge investigators to

A correlation between physical attractiveness and dating frequency of +0.60 would indicate that

Use the method of cylindrical shell to find the volume of the solid generated by rotating the region bounded by           about the y-axis

Find he general solution to the following ODE:

Fibrous joints are diarthrotic.

Which of the following help direct the movement of materials or organelles throughout the cell?

The pH scale ranges from 1 to 15.

Using polar coordinates, integrate the function \(2x+2y\) over the unit disk.

A conducting bar with dimensions L = 13 cm, h = 3.9 cm, d = 1.5mm is connected in series to a power supply with emf= +115V. The bar is oriented along the x axis. A voltmeter is attached vertically across the bar, with leads directly across from each other, as shown, and reads +1.8 x 10–5 V. There is a uniform magnetic field of 0.7 T in the –z direction throughout this space due to large coils that are not shown in the diagram. What is the sign of the charge carriers and the drift speed of these charges in the bar?