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Solve 7x+6>1+2x

For this such question, we need to find what values x can be. We need to get all the terms containing x one side of the equation and all the other terms on the other side then isolate x. To do this, we mu...

AM
Answered by Annie M. Maths tutor
6597 Views

Solve simultaneously. x^2+y^2 = 25 ; y - 3x = 13

y = 3x + 1310x^2 + 78x + 169 = 2510x^2 +78x +144 = 0(5x+24)(2x+6) = 0x = -24/5 or -3y = -7/5 or 16

BH
Answered by Ben H. Maths tutor
2983 Views

How do I structure an exam style answer to a question?

The best way to structure an answer to include all of the components necessary for a strong argument is by using the SEA structure which is short for: statement, evidence, analysis. So, to start the answe...

CF
9733 Views

There are 5 blue counters and 5 red. x takes 2 counters out of the bag without replacing them. What is the probability x took 2 red counters.

5/10 * 4/9 = 20/90 = 2/9

BH
Answered by Ben H. Maths tutor
4775 Views

Find the value of (81)^(-1/2)

1/9

BH
Answered by Ben H. Maths tutor
7005 Views

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