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Let's solve this equation using simple algebra,
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Definitions </h2>
Algebra<em> - Algebra is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all mathematics</em>
Division <em>- Division, otherwise known as the inverse of multiplication separates a certain number into what it has been divided by.</em>
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Now that we understand the definition we can further solve this equation

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Now we will add to solve this equation


-Use simple division

This is repeating*

The answer is
repeating
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Answer:
2x+2y=x+5
(move the x next to the 2y)
= 2x+2y-x=5
(the x is negative because i moved it)
(collect the like terms)
= x+2y=5
(so the answer is...)
x+2y=5
the answers for this will be x=2
Answer:
x= 4.5
Step-by-step explanation:
hope this helps I tried my best.
Mean (μ) = 11.5 feet
Standard deviation (σ) = 1.7 feet
First we need to find the z-score for less than 13.5 feet.
The formula of z-score is : z = (X - μ)/σ
Here X= 13.5, so z = 
z =
= 1.18
P(X < 13.5) = P(z< 1.18) =P(z< (1.1 + .08)) = 0.8810 (from z-score table)
P(X< 13.5) = 88.1% (for making percentage from decimal, we need to multiply by 100)
So, the probability that a randomly selected tree is less than 13.5 feet tall = 88.1%