Answer:
Yearly= 725
registration fee= 125
Monthly cost= 50
Step-by-step explanation:
125+12x=725 (12 for the months)
725-125=600
600/12=50
$50 per month
Answer: Ten thousandths
Step-by-step explanation:
idk how to explain in 7th grade (;
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:

Referring to a standard normal distribution table, and using z = 0.66, we find:

Therefore

The answer is: 0.2546
Answer:
I need to see the whole question but I believe you just add the numbers
If it takes 10 machines 10 minutes to make 10 items, I would assume it would take 50 machines 50 minutes to make 50 items. Hope this helps :)