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The opening of the Spring concerto depicts the arrival of this joyous season through the bright key of E major. The basso continuo plays a tonic pedal to reinforce tonic and dominant harmony, typical of t...

The chain rule is the technique used for differentiation when the equation you're trying to differentiate contains a function of a function. Consider ln(x). You should know this differentiates to 1/x. If ...

First, the denominator of the fraction is 2, so all the terms on both sides of the = have to be multiplied by 2: 4x - 6 = 1 Then you can simplify this by adding 6 to both sides: 4x = 7 And then divide bot...

2(3a + 5) :

First you have to multiply everything inside the bracket by the number outside the bracket: = 2 x 3a + 2 x 5 or = (2 x 3a) + (2 x 5)

This can then be simplified to give the answe...

Both words are correct and have the same meaning. However, it is more common to use "imprimido" (regular form) in the present perfect tense: "Yo he imprimido los documentos" (I have pr...