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Ist Recycling der einige Weg, indem wir die Umweltverschmutzung aufhalten können?

Natürlich gibt es eine große Anzahl der Lösungen der Umweltverschmutzung, neben dem Recycling. Wenn wir beispielsweise Papier recyceln, führt es zu weniger Abholzung, aber wir könnten auch einfach weniger Pa...
SJ
Answered by Soley J. • German tutor
2081 Views

simplify a^m x a^n

a^m+n
ED
Answered by Ethan D. • Maths tutor
5134 Views

Given that z = sin(x)/cos(x), use the quoitent rule to show that dZ/dx = sec^2(x)

let u = sin(x) and v = cos(x) => z = u/v. The quoitent rule is (u'v - v'u)/v^2, where u' = du/dx, v' = dv/dx. In this case du/dx = cos(x) and dv/dx = -sin(x) => u'v = cos^2(x) and v'u = -sin^2(x) =>...
KH
Answered by Katie H. • Maths tutor
4392 Views

How do I remember all the critics when writing my A-level essays? There's so many to learn!

First of all, don't panic with critics . Not only are they usually not the highest weighted part of the mark scheme, but they are supposed to be included at A level in your answers to show the examiner you c...
CY
4789 Views

Discuss the idea that where someone comes from affects how they use language.

To answer this question, students could talk about a whole range of issues relating to dialect, lexical choices, and people's attitudes towards certain regional variations of English. Where we come from affe...
ER
7277 Views