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Find the coordinates of the point of intersection of the lines 2x + 5y = 5 and x − 2y = 4.

Rearrange both equations to make y the subject:2x + 5y = 5 rearranges to y = -2x/5 + 1 and x - 2y = 4 rearranges to y = x/2 - 2Equate both the rearranged equations and solve for x:-2x/5 + 1 = x/2 - 2x = 1...

EO
Answered by Ethan O. Maths tutor
3835 Views

What is differentiation and integration?


An integral is an anti-derivative, meaning it will take the derivative we are assessing and return it back to its original function. Moreover, an integral is used to find the area under a curve. Dif...

OA
Answered by Othman A. Maths tutor
3202 Views

A linear sequence starts with: a + 2b ; a + 6b ; a + 10b etc. The 2nd term has value 8. The 5th term has value 44. Work out the values of a and b.

We know that the 2nd term has a value of 8. Thus a + 6b = 8;What is more, we also know that the 5th term has a value of 44. We also know that the next element in the sequence increases by 4b when compared...

Answered by Maths tutor
2730 Views

Share £200 in the ratio 2:3

200/(2+3) = 40402 = 80403 = 120£80:£120

Answered by Maths tutor
10699 Views

3^2 + 4^2 = x^2. Find x

By Pythagoras’s theorem, a2+b2= c2. So x2= 9+16=25 and so by finding the square root of 25, x=5

LM
Answered by Luke M. Maths tutor
2629 Views

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