8.2, because the negative on the outside of the parenthesis cancels out the negative inside of the parenthesis.
1/2, 8/18 = 4/9, which is close to 4/8 wich is equal to 1/2
Answer:
52.500 by 52.500 inches
Step-by-step explanation:
The rectangle with maximum area will be a square. Its side length will be 1/4 the perimeter, so is 210/4 = 52.5 inches.
The figure is a 52.500 inch square. The interval of optimization is <em>closed</em>.
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Side lengths are restricted to the interval 0 to 105 inches.
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Any n-sided polygon with a given perimeter will have its maximum area when the polygon is regular. A regular 4-gon is a square.
y=1/2x-7 is you answer... I really hope this helps!