Determine the correct scientific notation form of the number. 3,708,000,000\
2 answers:
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Answer:
The maximum area is equal to
Step-by-step explanation:
Let
x ----> the length of the rectangular yard
y ----> the width of the rectangular yard
we know that
The perimeter is equal to
--> remember that the fourth side will be against her deck
isolate the variable y
-----> equation A
The area of the rectangular yard is equal to
----> equation B
substitute equation A in equation B
The quadratic function is a vertical parabola open downward
The vertex is a maximum
The x-coordinate of the vertex represent the length of the rectangular yard for an maximum area
The y-coordinate of the vertex represent the maximum area of the rectangular yard
Using a graphing tool
The vertex is the point (200,20,000)
see the attached figure
therefore
The length of the rectangular yard is 200 ft
The width of the rectangular yard is
The maximum area is equal to
