simultaneous equations, Mathematics

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two rolls of carpet cost £574, the first cost £8 per meter, the second which is 7m longer costs £7 p/m. how many meters are there in each roll

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What is the integratin of 1/sin2x?, ∫1/sin2x dx = ∫cosec2x dx = 1/2 log[cos...

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Hi, how do you find the distance between the sun and earth

how do you find the distance between the sun and earth

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