The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

temperature on the 5th days was -3 degree Celsius

Step-by-step explanation:

Mean is the average of the numbers

As per the statement:

The mean temperature for the first 4 days in January was 7°C.

Sum of the first 4 days temperature =

It is also given that:

the mean temperature for the first 5 days in January was 5°C.

then;

Sum of the  first 5 days temperature =

We have to find the temperature on the 5th days.

Substitute the given values we have;

Therefore, the temperature on the 5th days was -3 degree Celsius

-7

step-by-step explanation:

x^2 + 18x + 74 = (x + 9)^2 - 81 + 74

= (x + 9)^2 - 7.

so q = -7.

the answer for this question is a= 13,622.84

step-by-step explanation: