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A circle has eqn x^2 + y^2 + 2x - 6y - 40 = 0. Rewrite in the form (x-a)^2 + (y-b)^2 = d.

The first step will be to rearrange the eqn so that the loose number appears on the RHS and the x and y terms are grouped. After this step the eqn will appear as x2 + 2x + y2 - 6y = ...

Answered by Rachel H. Maths tutor
2605 Views

Explain how a very high temperature can stop an enzyme from working.

A very high temperature makes the enzyme’s molecules vibrate more. This vibration breaks some of the hydrogen and/ or ionic bonds that hold the enzyme in shape. The active site changes shape and the enzym...

Answered by Veronica G. Biology tutor
4763 Views

Explain how a utilitarian might approach the issue of eating animals.

A utilitarian would approach the ethics of eating animals by determining what the effects of eating animals would be. The best conclusion would be the one that maximises utility; the best effects for ever...

Answered by Philosophy tutor
6439 Views

Outline one philosophical argument for the existence of God.

Aquinas argued that the complexity of the world and the way that it functions is specific that it must have been made by a creator. In other words, there is such low likelihood that the world would be con...

Answered by Rivkah H. Philosophy tutor
1350 Views

Explain the different between act and rule utilitarianism and offer one issue with these approaches.

Both act and rule utilitarianism are founded on the principle that to do good is to maximise the greatest utility. However, there are different ways of putting this principle into practice in normal life....

Answered by Rivkah H. Philosophy tutor
3892 Views

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