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What are the differences between sound waves and electromagnetic waves?

Propagation:
Sound waves are longitudinal, meaning that the vibrations occur parallel to the direction of propagation (travel).

Electromagnetic wa...

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Answered by Wendy L. Physics tutor
60724 Views

How do you solve these simultaneous equations? 4x + 5y = 8; 2x + 3y = 5

By elimination:(eq1) 4x + 5y = 8(eq2) 2x + 3y = 5By eye you can see that 2x multiplied by 2 is 4x.If we multiply the whole of (eq2) by 2 we get:(eq2.1) 4x + 6y = 10(eq1) 4x + 5y = 8If we subtract the whol...

WL
Answered by Wendy L. Maths tutor
5083 Views

Explain how a protein is synthesised

The process starts in the nucleus A gene (section of DNA coding for a protein) unwinds, and the 2 DNA strands making it up unzip Transcription then occurs - one DNA strand is used as a template to make mR...

PP
Answered by Peter P. Biology tutor
2369 Views

We've learned a bit about DNA and genes but how does inheritance work?

Okay so, so far you've probably covered a bit about DNA, how it's stored in chromosomes and what genes are for. Inheritance is now simply about how a gene that comes from your mum and a gene that comes fr...

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Answered by Athif H. Biology tutor
2205 Views

Integrate: xe^x

Integrate by parts once to obtain: xe^x - e^x + c

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Answered by Daniel N. Maths tutor
3491 Views

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