15(y – 4) –2(y – 9) + 5(y + 6) =

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asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

15(y – 4) –2(y – 9) + 5(y + 6) = 0

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15(y – 4) –2(y – 9) + 5(y + 6) =
15(y – 4) –2(y – 9) + 5(y + 6) =
The range of the data`– 9, 8, 4, 3, 2, 1, 6, 4, 8, 10, 12, 15, 4, 3`
The following data : `2, 5, 15, 25, 20, 12, 8, 7, 6, 16, 21, 17, 30, 32, 23, 40, 51, 15, 2, 9, 57, 19, 25` is grouped in the classes `0 –5, 5 –10, 10 –15` etc. Find the frequency of the class 20
Time for 20 oscillations of a pendulum is measured as t 1= 39.6 s; t 2= 39.9 s; t 3 = 39.5 s. What is the precision in the measurements? What is the accuracy of the