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# Tutor profile: Mackenzie R.

Inactive
Mackenzie R.
UCSB student, 8 years of tutoring
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## Questions

### Subject:Writing

TutorMe
Question:

In what case is it appropriate to use a semi-colon?

Inactive
Mackenzie R.

A semi-colon is correctly used when the sentence fragments coming both before and after the semi-colon are 'independent sentences,' meaning they can stand alone without any additional words. A semi-colon is also used correctly in long lists.

### Subject:Biology

TutorMe
Question:

What structures can be found on the Rough Endoplasmic Reticulum but not on the Smooth E.R.?

Inactive
Mackenzie R.

Ribosomes are on the Rough E.R., hence their name. Smooth ER on the other hand lacks these ribosomes and instead is more involved with smooth fats.

### Subject:Algebra

TutorMe
Question:

What strategy would you utilize to solve (3x + 2)(2x + 1) ?

Inactive
Mackenzie R.

To solve this problem, what you'll need to remember is to first individually multiply 3x times 2x and 1, and then separately multiply 2 by 2x and 1, and then add these together (*remember to group the similar numbers). i.e. 3x(2x) = 6x^2 3x(1) = 3x 2(2x) = 4x 2(1) = 2 Then, add these together: (*notice 3x and 4x can be combined to 7x) End Answer: 6x^2 + 7x + 2

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