A rectangle has a length 10 m less than twice its width. When 2 m are added to the width, the resulting figure is a square with
1 answer:
Answer:
The length of the original rectangle is 14 meters and the width of the original rectangle is 12 meters
Step-by-step explanation:
Let
l ----> the length of the original rectangle
w ----> the width of the original rectangle
we know that
----> equation A
----> area of a square
Solve for w
square root both sides
-----> this solution not make sense
so
Find the value of L
therefore
The length of the original rectangle is 14 meters and the width is 12 meters
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We will us exponential decay function to solve our given problem.
We know that an exponential function is in form , where,
y = Final amount,
a = Initial amount,
r = Decay rate in decimal form,
x = Time.
Let us convert 3% into decimal.
Upon substituting ,
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, we will get:
Upon rounding to nearest dollar, we will get;
Therefore, the value of the investment after 10 years would be .