Answer:
625 ft^2
Step-by-step explanation:
Given
--- perimeter
Required
The largest area
The perimeter is calculated as:

So, we have:

Divide both sides by 2

Make L the subject

The area is calculated as:

Substitute 

Open bracket

Differentiate with respect to W

Set to 0; to get the maximum value of W

Collect like terms

Divide by -2

So, the maximum area is:




Answer:
True.
Step-by-step explanation:
It explains itself right
Answer:
There are 6 sides to a hexagon
Step-by-step explanation:
simple questions like this can just be googled
Answer:
The distance of the whole trip is 50 miles.
Step-by-step explanation:
Let the distance of the whole trip be x.
70% x = 35 miles
(70/100)x = 35 miles
x = 35 * (100/70) miles
x = 50 miles
Therefore, the distance of the whole trip is 50 miles.
Hope this helped!