What is the largest rectangular area one can enclose with 14 inches of string?
1 answer:
A=w*h
p=2w+2h
if w=x, then h=7-x.
a(x) = x*(7-x)
a(x) = 7x - x^2
to find the largest area we need to derivative a(x):
a'(x) = 7 - 2x = 0 --> x = 3.5
therefore:
maxArea = a(3.5) = 3.5 * 3.5 = 12.25
You might be interested in
Answer:
the correct answer is 50 really hope this helped :)
Step-by-step explanation:
Okay so you would do 90 / 3 which would be feet / three=yards and then minus it. because 3 feet are in 1 yard
I got 36000000 . Hope this helps
Horizontal, by the way don listen to that just trying to get points
Answer:


Step-by-step explanation:
As given



As given the expression.


Solving the above


In the decimal form.
= 8.67 (Approx)

