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How do I use and form the Accusative Case in singular?

The Accusative case is used the modify the noun that is the subject of the verb. For instance, in the sentence, 'I saw a book'. 'book' is the noun that will be modified. In the masculine and neuter case, the...
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Answered by Cora B. • Russian tutor
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How do I work out the exact value of a number which is expressed as an indice, for example 81^-1/4

Firstly, recall the indice rules which are applicable to the question, for example in this question we can use the rules:(x^a)^b = x^abx^-1 = 1/xx^1/2 = square root xSecondly, apply these rules to break down...
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Answered by Cameron H. • Maths tutor
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Describe the process of diffusion?

Diffusion is the process where water molecules move from a negative water potential to a more negative water potential through a semi permeable membrane.
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Answered by Fawcett G. • Biology tutor
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Solve the simultaneous equations 4x + 5y = 13 and 3x - 2y = 27.

Using the elimination method to remove the variable x, we need both equations to have the same values of x. To do this we find the lowest common multiple of the x values: the lowest common multiple of 3 and ...
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Answered by Christy H. • Maths tutor
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Describe the differences between the oceanic and continental crust.

The oceanic crust is generally younger than the continental crust as it is less than 200 million years old and can also be renewed or destroyed at plate boundaries. For example, the oceanic crust which forms...
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Answered by Emma P. • Geography tutor
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