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What is Sonata Form?

Sonata Form is a type of musical structure in 3 main parts (Exposition, Development, and Recapitulation), it is one of the most popular musical structures traditionally used by composers. The first section i...
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Answered by Michael B. • Music tutor
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What is the difference between 'SER' and 'ESTAR'

Ser is used to talk about permanent or lasting attributes DOCTOR is a good acronym to use: D escriptions, O ccupations, C haracteristics, T ime, O rigin, and R elationships Estar is used to indicate temporar...
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Answered by Charlie M. • Spanish tutor
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If a_(n+1) = a_(n) / a_(n-1), find a_2017

We are given; a 1 = 2, a 2 = 6 a n+1 = a n / a n-1 And we want to find a 2017 . The question is hard because if we tried simply applying the formula to get an answer, we would have to do it thousands of time...
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Answered by Théodore L. • MAT tutor
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Briefly describe the structure and function of the membrane-bound organelles present in a mammalian cell.

Nucleus - This is the largest organelle within the cell and contains all the cell's genetic information (with the exception of the mitochondrial genome). Structurally, it has a double membrane, known as the ...
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Answered by Elizabeth F. • Biology tutor
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Suppose we complete a rectangle of dimensions m*n by the following rule: everytime we complete a square, we put in an number from 0 to 4 equal to the number of adjacent squares already completed. What can we say about the sum of the numbers in all squares

Well, first we can notice that we can think about the table being covered with dominos. Each possible domino we can put on the table ends up increasing our final sum by one, since one of the two squares will...
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