A person owns two petrol filling stations A and B. At station A, a representative sample of 200 consumers who purchase petrol was taken. The results were as follows: Number of Litres of Number of

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Q: 2. Solve undetermine u8Bicent

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Q: 9. Sz+ 8y +7z= 4 6r + Sy + 5z = 6 6r + 5y +5z =5

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Q: 7. 4r+ 8y +5: =5 6r+ 5y +2: = 3 3r+ 2y+3: =3 8. 2r+3y - 5z = 30 Sr+ 7y - 12: = 71 -llr- 15y + 26:…

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Q: 3. Solve 25t+l > 125*,

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Q: 5.

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Q: Find the least four-digit number that gives the remainder 2 when it is ided by any composite one-…

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.