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A thin wire 20 centimeters long is forme...

A thin wire 20 centimeters long is formed into a rectangle. If the width of this rectangle is 4 centimeters, what is its length?

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VGS PUBLICATION-BRILLIANT-PAIR OF LINEAR EQUATIONS IN TWO VARIABLES-EXERCISE
  1. If 99x+101y=499,101x+99y=501 then x=………..

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  2. 141x+93y=189,93x+141y=45 then y=……..

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  3. A thin wire 20 centimeters long is formed into a rectangle. If the wid...

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  4. If -x-y=-10, then x=………….

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  5. (-a,-b)in……………

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  6. (2,0) lines on………

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  7. The line 2x-3y=8 intersects X-axis at………

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  8. The values of k for which the pair of linear equations 3x-2y=7 and 6x+...

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  9. The pair of linear equations -3x+4y=7 and (9)/(2)x-6y+(21)/(2)=0 has……...

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  10. If ad ne bc then the pair of linear equations ax+by=p and cx+dy=q has…...

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  11. A line parallel to the line x+2y+1=0 is…………

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  12. The pair of equations x=3,y=2 graphically represent lines which……..

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  13. If the pair of equations 2x+y=7 and 6x-py-21=0 has infinite number of ...

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  14. The value of k for which the system of equations kx+3y=1, 12x+ky=2 has...

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  15. The line 3x+y=7 intersects X-axis at…………

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  16. For what value of k, 2x+3y=4 and (k+2)x+6y=3k+2 will have infinitely m...

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  17. (x+1)/(2)+(y+1)/(3)=9,(x-1)/(3)+(y+1)/(2)=8 then x=………

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  18. (x+1)/(2)+(y-1)/(3)=9,(x-1)/(3)+(y+1)/(2)=8 In the above problem y= ……...

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  19. If the equations (2m-1)x+3y-5=0, 3x+(n-1)y-2=0 has Inflnlte number of ...

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  20. If the equations (2m-1)x+3y-5=0, 3x+(n-1)y-2=0 has Inflnlte number of ...

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