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Show that the following 2 lines are parallel: l1: 3y=15x+17 l2: 7y+5=35x

Both of these lines are straight lines since they only have x and y to powers of 1; and constants. Straight lines can be defined if two parameters are known, the gradient and the y-intercept. For two lines t...
TD
Answered by Tutor121905 D. • Maths tutor
5847 Views

how do I say how long I've been doing an activity eg playing the piano for two years?

You'll be pleased to hear that it's much easier in French than in English!Instead of worrying about translating word for word a complicated phrase like I've been playing (piano) for... you just use the prese...
MS
Answered by Madeleine S. • French tutor
2733 Views

Discuss the largest threats to biodiversity

Habitat change is one of the most prominent threats to biodiversity, driven by the conversion of natural land to agricultural areas. It leads to large declines in species numbers and species diversity within...
RF
Answered by Rebecca F. • Geography tutor
2119 Views

How should I structure my time in an exam? (e.g. unseen text)

Before you start writing anything on your exam paper (plan or answer), make sure you have carefully read ALL the relevant questions and texts and UNDERLINE all the key command terms. Depending on the exam le...
JL
2209 Views

How can I tell if a question is asking me about Replication, Transcription, or Translation?

In replication , the main macromolecule in use is DNA, and the most important enzymes to this process are DNA Polymerase and DNA Helicase, so if no other macromolecule is mentioned and these two enzymes are ...
EN
Answered by Ellie N. • Biology tutor
2252 Views