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Solve: 2x+y = 11 x+y = 8...

Solve:
`2x+y = 11`
`x+y = 8`

Text Solution

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The correct Answer is:
x = 3, y = 5
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OSWAAL PUBLICATION-SOLVED PAPER SSLC KARNATAKA JUNE 2020 -Answer the following questions
  1. Write, (x+1)/2 = (1/x) in the standard from of a quadratic eqation.

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  2. Write the formula to find the total surface area of the cone whose rad...

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  3. Solve: 2x+y = 11 x+y = 8

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  4. Find the Sum of 5+8+11+....to 10 terms using formula.

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  5. Find the value of k, if the pair of linear equations 2x-3y=8 and 2(k-4...

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  6. Find the discriminant of the equation 2x^2-5x+3=0 and hence write the ...

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  7. If one root of the polynomial p(x) =x^2-6x+k is twice the other then ...

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  8. Find the polynomial of least degree that should be subtracted from p(x...

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  9. Find the distance between the points (-5,7) and (-1,3).

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  10. Find the coordinates of the point which divides the line joining the p...

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  11. The points A(1,1),B(3,2) and C(5,3) cannot be the vertices of the tria...

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  12. Draw a pair of tangents to a circle of radius 3 cm which are inclined ...

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  13. Prove that sqrt(5) is an irrational number.

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  14. Find the HCF of 24 and 40 by using Euclids division algorithm. Hence f...

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  15. To save fuel , to avoid air pollution and for good health two persons ...

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  16. If x=ptantheta+ qsectheta and y=psectheta+qtantheta the prove that x^2...

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  17. Prove that cot^2(90^@-theta)/(tan^2theta-1)+Cosec^2theta/(sec^2theta-c...

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  18. Find the median of the data:

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  19. Find the mode of the following data:

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  20. The following table gives the information of daily income of 50 worker...

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