Answer:
a) see below
b) 40x20 meters
Step-by-step explanation:
Write down what you know:
- The area of the enclosure is length*width, so

- The length of the fencing is 80 meters, so

Now we have to combine these two equations above, and get rid of y in the process.
First rewrite the second as:

Then substitute for y in the first:

b) To maximize A, find the zero of the first derivative:

So y = (80-40)/2 = 20 meters.
Answer:
x = 3
Step-by-step explanation:
8x -6 = 18
Add 6 to both sides.
8x = 24
Divide both sides by 8 to isolate x.
x = 3
The answer to this is D!!!!
Answer:
D!
Step-by-step explanation:
Answer: B) this is a perfect cube. D )the side length is 4. E)taking the cube root of the volume will determine the side length.
Step-by-step explanaion: just guessed and it told me it was right on edunuity 2020.
HOPE I HELPED PLZ GIVE BRAINLIEST:)