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Solve the simultaneous equations y=x-5 and 10y=2x+6 by elimination, and by substitution.

Elimination: Multiply equation (eqn) 1 by 2 : 2y=2x-10 Subtract modified eqn 1 from 2 : 8y=16 Divide through by 8 : y=2 Sub y=2 into eqn 1 or 2 and rearrange to find : x=7 Subsitution: Sub eqn 1 into eqn 2 :...
JR
Answered by Jack R. • Maths tutor
4173 Views

Translate the following sentences into Spanish

English tourists helped a group of immigrants who arrived at a Tenerife beach Turistas ingleses ayudaron a un grupo de inmigrantes que llegaron a una playa de Tenerife. Their boat was spotted when it was sai...
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Answered by Violeta S. • Spanish tutor
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What are the similarities and differences between Irregular and Regular Echinoids?

Both species are part of the same phyla, Echinodermata. They both live in marine environments, have the same feeding system, hasve ambulacra and tube feet, which they use for respiration. However, there are ...
EH
Answered by Emily H. • Geology tutor
4945 Views

How does the form/structure and language of a text or extract shape meaning?

This is a question my A Level English teacher would always ask, how do words shape meaning? Although seemingly a very broad question, we must always look at how the words/ language fit in the extract, form t...
KN
13805 Views

what does a value shared in the ratio 2:3 mean?

this means that there are 5 parts to share out altogether. (2+3=5) So you take the value you wish to share and divide it by 5. once you've divided the value by five, to share in the ratio 2:3 simply means to...
ET
Answered by Ewan-James T. • Maths tutor
72764 Views