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Khoi F.

Electrical Engineer: Math, Science, and Engineering

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Pre-Algebra

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Question:

Solve x/5 = 10/5. Find x.

Khoi F.

Answer:

Multiply 5 on both sides of the equation to arrive at x = 50/5. Therefore, x = 10. Proportions are used to find ratios on either sides of the equation. This equivalently finds the value of x to have the same ratio on both sides of the equation.

Electrical Engineering

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Question:

Why should we learn a Thevenin Equivalent circuit model?

Khoi F.

Answer:

This allows a complex component of circuitry to be modeled as a simple voltage source and a series resistor. This allows someone to visualize the circuitry as a black box and and only need to worry about the input and output of the system.

Algebra

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Question:

Solve 5 + x = 6. What is the value of x? What is the meaning of the variable x?

Khoi F.

Answer:

Subtract 5 from both sides of the equation to cancel out 5 from the left hand side. Arrive at X = 1. The variable x represents a variable that is unknown, this is the variable that we seek to make the equation true.

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