The solution will be x>1/6

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Rewrite as:

Apply law of indices


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Apply negative power rule of indices

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Expand

Evaluate like terms

Factor out x^2

Factor out -2


Divide by y

Split


Rationalize



Rationalize


Apply different of two squares to the denominator



Simplify


Expand

Split

Evaluate all roots




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Factorize each

Factor out (r+3) in the numerator and (r + 6) in the denominator

Cancel out r - 2


Cancel out x

Expand the numerator of the 2nd fraction

Factorize

Factor out x - 7

Factor out 4 from 4x + 8

Cancel out x + 2



Factorize

Cancel out 3x


Take LCM

Expand



Rewrite as:

Express as multiplication

Express y^2 - 9 as y^2 - 3^2

Express as difference of two squares



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Answer:
B - either remains the same or increases
Step-by-step explanation:
Answer:
Z score associated with sleeping 503 minutes = 0 minutes
Step-by-step explanation:
Given values of sleep per night for adults:
Mean value X = 503
Standard deviation σ = s
FInd:
Z score associated with sleeping 503 minutes
Computation:
⇒ P[X = 503]
⇒ P[(x - X) / σ] = [503 - 503] / s
⇒ Z score value = [0] / s
⇒ Z score value = 0
Z score associated with sleeping 503 minutes = 0 minutes
125.40
What is the x 5 for?