Answered

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The mean temperature for the first 7 days in January was 4 °C.
The temperature on the 8th day was 4 °C.
What is the mean temperature for the first 8 days in January?

Sagot :

Altavistardidn

Answer:

4° C

Step-by-step explanation:

The average temperature for 7 days is

(sum of first 7 temperatures)          

------------------------------------------ = 4° C

                   7 days

Thus, the mean temperature for the first 8 days is

(7 days)(4° C) + 4° C      32° C

----------------------------- = ---------- = 4° C

            8 days                   8

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