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# Tutor profile: Nandan V.

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Nandan V.
Math and Computer Science Tutor
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## Questions

### Subject:SAT II Mathematics Level 2

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Question:

If a triangle has the angles (in degrees) 60, 2x, and x, what is x? What are the angles?

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Nandan V.

The angles of a triangle add up to 180 degrees. Therefore 60 + x + 2x = 180. 60+3x = 180 3x = 120 x = 40 The angles are 40, 60, and 80 degrees.

### Subject:Java Programming

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Question:

What is the concept of polymorphism?

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Nandan V.

An inherited object has a parent. When defining a parent object, it can be labelled as either the parent or itself, as the inherited object shares the parental properties within itself.

### Subject:Calculus

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Question:

How did mathematicians solve the fundamental problem of the slope of a line tangent to a curve?

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Nandan V.

They measured the slope of a secant line of two points on a line as a limit which approached closer to a tangent line. As the points converged into one, the slope of the tangent was found.

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