38:5
1 answer:
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The number line is shown in figure attached below.
Step-by-step explanation:
We need to solve the inequality and find value of n.
Solving the inequality:
Multiplying -4 with terms inside the bracket.
Adding 12 on both sides:
Divide both sides by -4 and reverse the inequality:
The number line is shown in figure attached below.
The number line starts with 5 with unfilled hole because n is less than 5 and moves towards left of the number line, because all values less than 5 are included in number line.
Keywords: Solving inequalities
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Answer:
The slope is a zero slope. This means that the line is a straight, horizontal line.
Step-by-step explanation:
Use the slope formula.
5-5/-18-18 = 0/-36
Answer:
50 Db
Step-by-step explanation:
we know that
The loudness in decibels is given by the formula
where
I = sound intensity in watts per square meter (Watts/m^2)
I₀ = reference intensity, = 10^(-12) Watts/m^2
so
For I=10^(-7) Watts/m^2
substitute in the formula above and solve for L