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Solve the simultaneous equations y=2x and y=x+3

As both equations have y on the left hand side we can put the right hand sides equal to each other, so 2x=x+3. We can then subtract x from both sides. This gives 2x-x on the left hand side which is x, and x+...
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Answered by Hannah C. Maths tutor
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How Should I structure my experiment report?

Your experiment report should be created using the "IMRaD" format. This stands for "Introduction, Methods, Results and Discussion." Each of these sections should be split into smaller sub...
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Answered by Michael S. Physics tutor
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How can crime and deviance be explained?

Crime and deviance can be explained through a variety of different theoretical explanations. In order to maximise the marks you could gain if a question like this comes up, you will need to be aware of the d...
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Answered by Bethany W. Sociology tutor
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How does the reducing ability of halide ions vary?

The reducing ability of halide ions increases as we go down the group because the size of the ions increases down the group meaning the outer shell electron that gets lost when the ion is oxidised is further...
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Answered by Nianqi S. Chemistry tutor
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How is selective reabsorption acheived in the kidneys?

In the cells lining the proximal convoluted tubule, sodium-potassium pumps present in the membrane in contact with tissue fluid pump sodium ions out of the cells. This lowers the concentration of sodium ions...
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Answered by Nianqi S. Biology tutor
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