Q.10. A subdivided bar graph in whichall bars are of height 100 units is called bar graph
1joint
2subdivided
3percentage
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Problem 1 Two of the following systems of equations have solution (1;3). Find them out by checking.
a) \displaystyle \begin{array}{|l} x + y = 5 \\ 2x - y = 7; \end{array}
x+y=5
2x−y=7;
b) \displaystyle \begin{array}{|l} 2x + y = 5 \\ x - y = 2 \end{array}
2x+y=5
x−y=2
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