find f plz plz plz plz
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Answered by
2
Answer:
mean = 18
so
=> (7+6+9+13+f+5+4)/7 = 18
=> ( 44 + f )= 18 *7
=> f = 126 - 44
=> f = 82
Answered by
0
Answer:
sorry I don't know the answer
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