the airthematic mean of x,x+3,x+6,x+9 and x+12 is 10 than find x
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it ap ok . 1️⃣4️⃣5️⃣9️⃣0️⃣
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Answer:
x = 4
Step-by-step explanation:
Given, the airthematic mean of x,x+3,x+6,x+9 and x+12 is 10
airthematic mean = sum of observations/no.of observations
10 = x+x+3+x+6+x+9+x+12/5
50 = 5x+30
50 - 30 = 5x
5x = 20
therefore x = 4
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