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Find a if the mean mark is 1

Mark : 0 1 2 3 4
Number of students : a 4 3 2 1​

By Rylee

Find a if the mean mark is 1

Mark : 0 1 2 3 4
Number of students : a 4 3 2 1​

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Rylee

13. Find A so that the point (2, 7) lies on the line represented by Ax – 3y = 5.​

find the value of k for which the quadratic equation 2x square +kx+2=0 has equal root is?​

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