Solve each given equation and show your work. Tell whether it has one solution, an infinite number of solutions, or no solutions
, and identify each equation as an identity, a contradiction, or neither.
A) 6X plus 4X -6 = 24+ 9X
B) 25 - 4X = 15 - 3X +10 - X
C) 4X +8 = 2X +7+ 2X -20
A) 6X plus 4X -6 = 24+ 9X
B) 25 - 4X = 15 - 3X +10 - X
C) 4X +8 = 2X +7+ 2X -20
1 answer:
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Answer:
a
b
Step-by-step explanation:
Considering question a
From the question we are told that
The mean is
The standard deviation is
The standard error of mean is mathematically represented as
=>
=>
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -0.3425 is
=>
Considering question a
From the question we are told that
The mean is
Generally the probability that the mean volume of a random sample of 144 bottles is less than 12 oz is mathematically represented as
From the z table the area under the normal curve to the left corresponding to -1.0274 is
=>