Celeste W.

Chemical Engineer at Nuclear Power Plant

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Pre-Calculus

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Question:

You are designing a ramp. The length of the ramp is 5 feet and the vertical rise is 3 feet. What is the horizontal distance from the edge of the ramp to the vertical rise and what is the angle of the ramp to the nearest degree?

Celeste W.

Answer:

The horizontal distance from the edge of the ramp to the vertical rise is 4 feet. The angle of the ramp is 37.

Chemistry

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Question:

Balance the following equation: __C3H6+__NH3+__O2 --> __C3H3N+__H2O

Celeste W.

Answer:

2C3H6+2NH3+3O2 --> 2C3H3N+6H2O

Algebra

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Question:

1. Simplify the following expression: 7x^2+3x^3-6x^2+2-3x^3-8-x 2. Set your simplified expression equal to 0 (creating an equation) and solve for x.

Celeste W.

Answer:

1. x^2-x-6 2. x= -2; x= 3

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