Answer:
Step-by-step explanation:
Let
x ----> the mean temperature for the first 8 days in January
we know that
The mean temperature for the first 7 days in January multiplied by 7 is equal to the sum of the temperatures for the first 7 days
9(7)=63°C
so
The sum of the temperatures for the first 7 days plus the temperature on the 8th day, all divided by 8 is equal to the mean temperature for the first 8 days in January
Answer:
8.875 degrees Celsius
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
to find the missing side length you use the pythagorean theorem
so and then you take the square root of and you end up with an answer of 7.