2x+3x=5 plzzzzzzzzzzzzzz
1 answer:
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Answer:
The correct answer is A.
Step-by-step explanation:
Method 1
You just have to plot each point on the graph.
The one that falls within the solution region is the correct choice.
From the graph, falls within the solution region.
See graph
Method 2
If you substitute the points into the inequalities, the only point that will satisfy both inequalities simultaneously is A.
The first inequality is
If we substitute , we get;
This statement is true.
The second inequality is
If we substitute , we get;
This gives,
This statement is also true.
Complete Question
The complete question is shown on the first uploaded image
Answer:
The confidence level interval is
Step-by-step explanation:
The sample size is
The number planning to increase workforce is
The confidence level is %
The value of proportion for a plus 4 method is
substituting values
The z-critical value at confidence level of 98% is
This values is obtained from the standard normal table
The confidence level interval can be mathematically represented as
substituting values
=>
