Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The null hypothesis is 
The level of significance is 
From the z table the critical value of 
considering the two tails of the normal curve( This is because this a two tailed test ) is
Hence the critical value is
Answer:
Step-by-step explanation:
2(2x +4) - 2x = x + 18
4x +8 -2x = x +18
2x -x = 18-8
X = 10
Put the value of x in both side
Left side *+*+*+*+*+
2 ( 2*10+4)-2*10
48-20 = 28
Right side +*+*+*+*+*
X + 18
10+ 18 = 28
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Don't know try something else it will probably help
Answer:
10635
Step-by-step explanation:
Honestly, I dunno. I just added it.
