Question

he mean of data is 50. Find the missing frequency f, and
0-20
20-40
40-60
17
32
Frequency
Evaluate
sec? (90-0) - cot?o 2cos?60 tan²28 tan-62
2 (sin?25 + sin265) 3(sec243 - cot247)
For what values of p and q, will the following pairs of lineare
4x + 5y = 2, (2p +79)x+ p +89)y = 29-p+1
91A boat goed 64 km upstream and 72 km downstream in 14​

Answer 1

Answer:

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