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# Tutor profile: Prem P.

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Prem P.
Enthusiastic Tutor for 4 Years
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## Questions

### Subject:Trigonometry

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Question:

There is a right triangle present (angle B represents the right angle). If angle A is equal to 2x and angle C is equal to x, what are the measures of angle A and angle C?

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Prem P.

Since we know a right angle is 90 degrees, we subtract 90 from 180. Then, we add x and 2x to get 3x. If 3x equals 90, then x equals 30. Hence, angle A is 60 degrees and angle C is 30 degrees.

### Subject:Chemistry

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Question:

How many valence electrons does oxygen have?

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Prem P.

Oxygen has 6 valence electrons.

### Subject:Biology

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Question:

How many chromosomes do humans have?

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Prem P.

Humans normally have 46 chromosomes. They can have less or more depending on mutations and genetic conditions.

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