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Teja N.
Dental Student and 6 year tutor
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SAT
TutorMe
Question:

If the average of t and t+2 is x and the average of t and t-2 is y, what is xy?

Teja N.
Answer:

average=sum of variables/total number of variables average=[t + (t+2)]/2=t+1 average=[t+(t-2)]/2=t-1 (t+1)(t-1)=(t^2)-1

Pre-Calculus
TutorMe
Question:

Solve for x. (x+4)(x–7)<0

Teja N.
Answer:

The solution set is (-4,7).

Biology
TutorMe
Question:

Describe the matrix of a mitochondrion.

Teja N.
Answer:

It is an inner space filled with a gel-like fluid.

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