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Tutor profile: Karen D.

Inactive
Karen D.
Tutor for 3 years, Undergraduate student at the University of Pennsylvania
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Questions

Subject: Basic Chemistry

TutorMe
Question:

Please balance the following equation: __C6H6 + __O2 --> __H2O + __O2

Inactive
Karen D.
Answer:

2C6H6 + 15O2 --> 12H2O + 6O2

Subject: ACT

TutorMe
Question:

Please rewrite this sentence using the correct grammar: The moon shines brighter then the stars. because its closer to the earth then the star's is.

Inactive
Karen D.
Answer:

The moon shines brighter *than* the stars, because *it's* closer to the *Earth* *than* the *stars* *are*.

Subject: Algebra

TutorMe
Question:

Suppose you have a the graph of a line given by the equation y = 3x^2 - 10x - 8. What are the x-value(s) for where the graph crosses the line y = 0?

Inactive
Karen D.
Answer:

Factor the equation to obtain (3x+2)(x-4)=0, and then solve for the two x values. X = 4 and -2/3.

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