Answer: x=-1
Step by step:
2|x+6|+9=19
Subtract 9 from both sides.
2|x+6|=10
Divide both sides by 2
|x+6|=5
Use the definition of absolute value.
x+6=5
Subtract 6 on both sides
x=-1
Hope this helped! :)
Answer:
B) AD/DE = BD/AD
Step-by-step explanation:
Answer:
-18
Step-by-step explanation:
you add 12 and six together and you get 18. Then you put a negative sign in front of it
Answer: 0.064
Step-by-step explanation:
The formula to find the margin of error :-

Given : Significance level : 
Critical value : 
Sample size : n=400
The proportion of people support the candidate :p=0.44
Then , 
Hence, Margin of error = 0.064