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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Calculus, I need help with my calculus

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Find out ratio, the sides of a right angle triangle are a,a+d,a+2d with a a...

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Trigonometry, In the riangle ABC the AB=12 cm,AC=28 cm and angle ABC=120 de...

In the riangle ABC the AB=12 cm,AC=28 cm and angle ABC=120 degrees.BC=?

Drawn to a circle with center o, From a point P, two tangents PA are drawn ...

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