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√(6²+8²)=³√125a³√36+64=5a√100=5a10=5aa=2

Where we are given two equations that equal the same thing we can substitute one into the other e.g. (1) x² + 3x + 10 = y (2) 4 - 2x = y. Sub (2) into (1) - replace y in (1) for (4 - 2x): x<...

To answer this, you need to try and remove on of the letters from the equation. You could multiply the first equation by 2 so that the number in front of the y's are the same in both equations, with 10x+2...

a) We can get the result by calculating the common ratio between elements 1 and 2, and 2 and 3. R_n = 1/√x-1 /Ratio between 1st and 2nd R_n = √x + 1 /Ratio between 2nd...

35x + 6x + 3b ≡ ax + 13 41x + 3b ≡ ax + 13 when x=0 3b + 40 = 13 3b= -27 b=-9 so 41x - 27 + 40 ≡ ax + 13 when x = 1 41-27 + 40 = a + 13a = 41