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Solve the following simultaneous equations: (1) 4x+y=7 and (2) 3x+2y=9

This question can be answered by the elimination method. I will choose to eliminate 'y' in this case. Firstly, multiply equation (1) by 2, resulting in 8x+2y=14. Now we can subtract eqaution (2): 3x+2y=9 ...

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Answered by Alex D. Maths tutor
5721 Views

How are nerve cells adapted to their function?

To answer this question we first need to understand what the function of a nerve cell, or neurone, is. Neurons need to be able to rapidly transmit electrical impulses along their length. They also need to...

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Answered by Christian H. Biology tutor
129421 Views

What is co-transport and why do I sometimes hear it being called active transport?

Example: absorption of sodium ions (Na+) and glucose by cells lining the ileum (a part of the small intestine)  1. Na+ actively transported into the blood from epithelial cells, by...

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Answered by Olivia L. Biology tutor
8700 Views

What is the role of the rough endoplasmic reticulum and the Golgi apparatus in protein transport within cells?

Firstly, during protein synthesis, the DNA is transcribed into mRNA in the nucleus, which then can move out of the nucleus into the cytoplasm. This is where translation occurs, where the mRNA is read and ...

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Answered by Mary-Jane G. Biology tutor
5339 Views

'It is a tragedy that the journey is often more fulfilling than the arrival.' With reference to your wider reading, explore the presentation of illusionary love in Rapture and The Great Gatsby.

Within the two texts, Duffy and Fitzgerald criticise the values of their respective societies by presenting protagonists who, through the contemporary societies of the writing; will have to journey in ord...

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Answered by Florence T. English tutor
2385 Views

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