Answer: $85,000
Step-by-step explanation:
Given : In a given population of two-earner male-female couples, male earnings have a mean of $40,000 per year and a standard deviation of $12,000.

Female earnings have a mean of $45,000 per year and a standard deviation of $18,000.

If C denote the combined earnings for a randomly selected couple.
Then, the mean of C will be :-

Hence, the mean of C = $85,000
The answer would be y=-4 and x=4, so pick which ever number/letter has this answer.
Answer:
=900000
Step-by-step explanation:
the current ppl=225000
after 64 years=225000×2=450000
in the next 64 yrs(128 yrs later)=450000×2=900000
The expression would be:
3x
x=number of plays
Insert 4:
3(4)
=12
They would 12 yards after 4 plays if losing 3 yards every play.
Answer:
Improper:
76/5
Take it to the power of 5.
2373046875/25