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solve the simultaneous equation: 8x+2y=46; 7x+3y=47

To solve this problem, we want to make either the x or the y values either equation the same.To work out whether to change the x or the y values, work out the lowest common multiple for each.For x, the va...

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Answered by Jess W. Maths tutor
4961 Views

Solve the equation 10x + 4 = 12x + 2

2 = 2xTherefore x = 1

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Answered by Zain Y. Maths tutor
3138 Views

How do you form the imperative in French?

The imperative is used for giving commands, requests or instructions. To form the imperative, first take off the subject, that's the 'tu', 'vous' or 'nous' that comes before the verb. For example, 'get ou...

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Answered by Ilana P. French tutor
2198 Views

It is common to selectively breed domestic animals/pets, such as cats and dogs. Give three reasons people may want to selectively breed dogs.

For aesthetic reasons (shorter snout, lighter fur etc)To reduce allergensTo reduce aggression To breed out genetic defects

RF
Answered by Ruby F. Biology tutor
3230 Views

Triangle ABC has perimeter 20 cm. AB = 7 cm. BC = 4 cm. By calculation, deduce whether triangle ABC is a right-angled triangle.

This is a question I recently tackled with one of my tutees from the edexcel GCSE specimen papers. I would begin to tackle any geometry question like this by drawing the triangle in question. We are given...

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Answered by Carter H. Maths tutor
5672 Views

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