# Tutor profile: Kevin W.

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Kevin W.

Math and Physics Tutor

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## Questions

### Subject: Physics (Newtonian Mechanics)

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Question:

An elephant can reach heights of 13 feet and possess a mass of as much as 6000 kg. Determine the weight of an elephant in Newtons and in pounds. (Given: 1.00 N = .225 pounds

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Kevin W.

Answer:

58800 N or 13230 lb

### Subject: Calculus

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Question:

Solve the following problem. ∫ 2* x^2 dx

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Kevin W.

Answer:

(2/3)* x^3

### Subject: Algebra

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Question:

Consider the equation: 6x = -16 + x^2 Solve for X

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Kevin W.

Answer:

First begin by having the equation equal to 0. Subtract 6x from both sides: 0 = -16 + x^2 - 6x Rearrange the equation to prepare for separation of the binomials by using the foil method. x^2 - 6x - 16 = 0 Use the reverse FOIL method to factor the equation (x-8) * (x+2) Now set each binomial equal to 0 and solve for x> x-8 = 0 x = 8 x+2 = 0 x = -2 Therefore, the values of x that satisfy the original equation are 8 and -2.

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