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Tutor profile: Adrian G.

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Adrian G.
Tutoring mathematics for 3 years
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Questions

Subject: Trigonometry

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Question:

Johnny is 100 meters from the base of a tree, observes that the angle between the ground and the top of the tree is 18 degrees. Estimate the height h of the tree to the nearest tenth of a meter.

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Adrian G.
Answer:

Use the tangent tan(18o) = h / 100 Solve for h to obtain h = 100 tan(18o) = 32.5 meters.

Subject: Basic Math

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Question:

Johnny has 10 apples, he gave Tim 3. How many apples does Johnny have?

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Adrian G.
Answer:

10 - 3 = 7 Johnny has 7 apples.

Subject: Algebra

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Question:

Factoring Polynomials x^2 - 15x + 54

Inactive
Adrian G.
Answer:

= x^2 - 6x - 9x + 54 = x(x-6) - 9(x-6) = x(x-6)-9(x-6) = (x-6)(x-9)

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