Answer:
x=2
Step-by-step explanation:
- 1/2x+1=7x−14
Answer: -120
Step-by-step explanation:
this would be the answer because if you take a positive and add it to a negative you get zero if their the additive inverse of the number.
What is your last question?
Answer: A) $8.75 per hour worked
Step-by-step explanation: I took A test had the same question and got it right I don't know algebra well ima good at rigging the system for answers for other people lol.
Answer: a) Required minimum sample size= 219
b) Required minimum sample size= 271
Step-by-step explanation:
As per given , we have
Margin of error : E= 5% =0.05
Critical z-value for 90% confidence interval :
a) Prior estimate of true proportion: p=28%=0.28
Formula to find the sample size :-
Required minimum sample size= 219
b) If no estimate of true proportion is given , then we assume p= 0.5
Formula to find the sample size :-
Required minimum sample size= 271