System of linear equations using the inverse
Solve the following system of linear equations using the inverse with a matrix equation method.
3x - 4y + 4z = 1
2x + y + z = 2
2x + z = 8
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A pirate sights a distant ship with a spyglass that gives an angular magnification of 24. If the focal length of the eyepiece is 14 , what is the focal length of the objective?
Calculate the engineering strain and the true strain for both steps compare them, and comment on your observations.
At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 516.6 nm? At what angle will the second order peak occur?
A solar hot water heater raises the temperature of 200 liters of water from 27 to 47 degrees C. Suppose a heat engine with 40 percent of the efficiency of a Carnot engine had absorbed the same amount of heat at 600K and rejected waste heat at 300K
How many 65-W lightbulbs can be connected in parallel across a potential difference of 95V before the total current in the circuit exceeds 2.2A?
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Write a linear programming model fo the following linear programming problem. Do not solve, simply set up.
Consider a 24-KW hooded electric open burner in an area where the unit costs of electricity and natural gas are $0.10/KWh and $1.20/therm (1 therm=105,000 kJ), respectively.
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Review section 2.2 about the various research methods used by sociologists, then address the following questions.
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