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Express the following information in mat...

Express the following information in mathematical form using variables x and y:
The ratio of two number is 3:8.

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NAVNEET PUBLICATION-LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. For certain simultaneous equations in x and y, if Dx =18 and D=-3,DY...

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  2. Express the following information in mathematical form using variables...

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  3. Express the following information in mathematical form using variables...

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  4. Express the following information in mathematical form using variables...

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  5. Express the following information in mathematical form using variables...

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  6. Decide whether (0,2) is the solution of the equation 5x+3y=6 or not.

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  7. If Dx =24 ,x=-3, find the value of D.

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  8. Write the equation a/4+b/3=4 in the standard form.

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  9. Find the values of the following determinants: [[-3,8],[6,0]]

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  10. Find the values of the following determinants: [[1/2,3/2],[1/5,2]]

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  11. Find the values of the following determinants: [[sqrt2,-2sqrt3],[3sqr...

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  12. Find the values of the following determinants: [[3,8],[-4,-10]]

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  13. For certain simultaneous equations in variables x and y, if Dx =12, D...

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  14. For certain simultaneous equations in variables x and y, if Dy =6, D...

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  15. For certain simultaneous equations in variables x and y, if Dx =25, ...

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  16. Express the following information in mathematical form using variables...

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  17. Express the following information in mathematical form using variables...

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  18. Express the following information in mathematical form using variables...

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  19. Express the following information in mathematical form using variables...

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  20. Write one solution of the equation 2x-y+1=0.

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