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If ui = (xi - 35)/(10), sumfiui =30 and ...

If `u_i = (x_i - 35)/(10), sumf_iu_i =30` and `sumf_i = 60`, then determine the value of `barx`.

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UNITED BOOK HOUSE-SOLPARA HIGH SCHOOL-EXERCISE
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  2. Length of diagonal of a cube is 6sqrt3 cm. Calculate the volume of the...

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  3. If ui = (xi - 35)/(10), sumfiui =30 and sumfi = 60, then determine the...

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  5. In a business A invests Rs 12,00. After some days B joins the busines...

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  15. Prove that cyclic trapezium is isoscles trapezium and the length of it...

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  17. Draw a circle with radius 2.6 cm in length. Draw two tangents to the c...

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  19. Find the value of: (tan 60^@- tan 30^@)/(1+ tan60^@ tan 30^@)+cos 60^@...

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  20. Show that, (cot 54^@)/(tan 36^@)+(tan20^@)/(cot 70^@)-2=0

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