Top answers

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 value...
JW
Answered by Jess W. • Maths tutor
5499 Views

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

2 = 2xTherefore x = 1
ZY
Answered by Zain Y. • Maths tutor
3679 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 out',...
IP
Answered by Ilana P. • French tutor
2691 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
3732 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 th...
CH
Answered by Carter H. • Maths tutor
6440 Views