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Mandarin GCSE exam question, involving a reading and true/false answers

For this section of the GCSE mandarin exam, my strategy would be to first read through the question section, to make sure the student understands what it is that they are asking for. Due to time limit in the...
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Answered by Maddy G. • Mandarin tutor
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In 5V circuit has two 2 Ohm resistors in parallel, what is the current passing through each resistor?

To solve this question we need to remember the equation "Voltage = Current x Resistance". The next step is to draw out the circuit. A 5V circuit means the battery is supplying 5V to the current. Tw...
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Answered by Mia R. • Physics tutor
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Explain the First Past the Post system

First Past the Post (FPTP) is an electoral system where the country is divided up into constituencies. Each constituency sends one representative to the Parliament. Every voter has one vote and casts it for ...
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What is natural selection?

A process by which organisms which are most suited to the environment that they live in are more likely to survive and therefore to reproduce, passing the characteristics which made them most suitable on to ...
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Answered by George A. • Biology tutor
3752 Views

Make y the subject of the formula x=(2y-1)/(4-y)

1st step: we multiply the equation by (4-y) and we get: x(4-y)=(2y-1) 2nd step: we bring the equation to the form: 4x-xy=2y-1 3rd step: now we isolate all the y terms on the same side: 2y+xy=4x+1 4th step: w...
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Answered by Andrea B. • Maths tutor
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