Answer:




Step-by-step explanation:
Given
--- Length
-- Margin of error
Solving (a): The equation of the length
This is calculated as:

So, we have:

Solving (b): The range of value of x
In (a), we have:

Split:

Solve for x

So, we have:


4/9, is your answer.
Both numerator and denominator can go into 5.
20 divided by 5 is 4, 45 divide by 5 is 9.
Answer:
Factor 1010 out of 30x+4030x+40.
10(3x+4)
Step-by-step explanation:
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0.547, the answer should be 5.47