To find the mean of something, add all the numbers then divide by the number of numbers there are.
40,000 + 50,000 + 40,000 + 60,000 + 90,000 = 280,000
Then divide:
280,000/5 = 56,000
The mean of the annual salaries at the company is 56,000
Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)
6 is the highest common factor
7/12
12/7
1`2/7
7/12
a reciprocal you just flip the fraction
The answer is:
D. Ac = {xΙx ∈ U and is an even positive integer}
:)
A common ratio for that sequence is r = 5/1