The margin of error of a 98% confidence interval is given by
Answer: 9.57
Step-by-step explanation:
do 9 - -0.87 first.
that will give you 9.87
then you subtract 0.3
final answer: 9.57
solving
we get value of n: 
Step-by-step explanation:
Solving the expression:

Solving:

So, solving
we get value of n: 
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Answer:
Step-by-step explanation:
Like systems of equations, system of inequalities can have zero, one, or infinite solutions.
Answer:

Step-by-step explanation:
We are give the following in the question:
Dimensions of rectangle:
Length , l =

Width of rectangle, w =

Area of rectangle = 125 square cm.
Area of rectangle =

Putting values, we get,

is the required equation.