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How do I solve simultaneous equations graphically? e.g (1) 4x - 3y = 11 (2) 3x + 2y = 4

Firstly, let's rewrite each of these equations as the equation of a line i.e. in terms of y. So we have:

(1) y = 4x/3 - 11/3

(2) y = 2 - 3x/2

Draw line (1) on a graph. The (x,y) co-or...

DL
Answered by Daniel L. Maths tutor
3354 Views

How should I answer an A-Level History exam question?

The best way to structure a History essay is usually thematically.  For example, if a question is framed such as 'How successful was the Civil Rights Movement in America?'  you should divide your essay in...

JS
Answered by Jenny S. History tutor
19010 Views

What are Stem Cells?

Stem cells are (pluripotent) undifferentiated cells that can differentiate into specialised cell types / tissues. Future medical uses involve growing organs from a patients OWN stem cells = zero chance of...

SP
Answered by Sophie P. Biology tutor
2708 Views

Try to translate this sentence into English: 我每天都跑步。我喜欢在早上跑步,夏天也喜欢游泳。

I jog everyday. I like to run in the morning, I like to swim during summer. 

MK
Answered by Michelle K. Mandarin tutor
2940 Views

Jodie buys 12 cans of cola. There are 330 ml of cola in each can. Rob buys 4 bottles of cola. There is 1 litre of cola in each bottle. Rob buys more cola than Jodie. How much more?

The answer is: (4X1000)-(12X330)= 40, ao 40 ml more. You may wonder why 1 litre is 1000, as 1 litre of cola= 1000 ml of cola so we have to convert 1 L to 1000ml in the anwer. Rob buys more cola than Jodie...

MK
Answered by Michelle K. Maths tutor
3148 Views

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