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Tutor profile: Alastair S.

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Alastair S.
Pre-Med Student at UCLA, Tutor for 3 years
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Questions

Subject: Organic Chemistry

TutorMe
Question:

Given the following Newman Projections, rank them in order of most stable to least stable and then draw the skeletal structure of the most stable molecule with proper stereochemistry. (Newman Projections would be provided).

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Alastair S.
Answer:

Answer depends on images that are not supported in this format, but essentially rankings would depend on size of constituents and their proximity to one another among other things.

Subject: Biology

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Question:

Name 5 major organ systems within the human body and then explain the relevance and function of 2.

Inactive
Alastair S.
Answer:

Digestive System, Respiratory System, Circulatory System, Musculatory System, Skeletal System, etc (more than 5 possible answers) Answers may vary for second part

Subject: Algebra

TutorMe
Question:

Two students are raising money for a local animal shelter with a lemonade stand. The amount they will end up donating depends on the following equation: .80c+ 2t, where "c" represents the number of cups sold and "t" represents the amount made in tips. How much will be donated if they sell 45 cups and make $20 in tips (round to nearest cent)? If $150 was donated after making $30 in tips, how many cups were sold (round to nearest cup)?

Inactive
Alastair S.
Answer:

a) c=45, t=20, D= amount donated .80c + 2t = D (Write the given equation) .80(45) + 2(20) = D (plug in given values for c and t) 36+ 40 = D (multiply) 76= D (add) final answer: $76 donated b) .80c + 2t = D .80c + 2t -2t = D - 2t (subtract 2t from both sides to solve for c) .80c/.8 = (D- 2t)/.8 (divide both sides by .8 to solve for c) c= (150 - 2(30))/.8 (plug in values for D (150) and t (30)) c= 112.5 final answer (113 cups)

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