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Why do masculine nouns sometimes change to den instead of der when there isn't a preposition?

Whether the noun begins with den or der depends on the case it is in (and the rule works in the same way for the articles ein/mein/etc). The case is determined by the role the noun is playing in a particular...
MK
Answered by Martha K. • German tutor
4083 Views

Find the unknown side A ( trigonometry with one known side and an angle)

First we need to make sure we have a nicely labelled triangle, identifying which sides are the adjacent, opposite and hypotenuse. 2) Once these are labelled we will can work out which trig function to use wi...
TL
Answered by Tobias L. • Maths tutor
3689 Views

Find the equation of the tangent to y = 2x^2 + 7 at x = 3.

The first step here is to identify what to do. Differentiating the equation y = 2x^2 + 7 will result in dy/dx = 4x. Given that you know that x = 3, you can substitute x = 3 into 4x which gives you 4(3) = 12....
DC
Answered by Danielle C. • Maths tutor
4023 Views

Discuss the basis and variable outcomes of gene mutations

Mutations may be inherited or may arise sponataneously, resulting in distinct differences between individuals. Thus, given that genetic material is the single determinant of phenotypical characteristics, gen...
YM
Answered by Yousef M. • Biology tutor
3445 Views

What is meant by a grammatical case in Latin (e.g. Nominative, Genitive, Accusative)?

The grammatical case system in Latin can be an extremely confusing concept for English speakers because in English, meaning is usually determined through word order alone or, occasionally, when prepositions ...
TM
Answered by Tom M. • Latin tutor
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