Two positives make a positive
two negatives make a positive
1 negative and 1 positive make negative
1 positive and 1 negative make a negative
Width=w
length=(40-2w)/2=20-w
A=w(40-w)
A=40w-w²
A'=40-2w=0
2w=40
w=20
20x20 is the size of the pen having the greatest area. this tells us the largest rectangle for a given perimeter is a square
The answer for your question is 0=-3
Answer:
1.76 liters per minute.
Step-by-step explanation:
The answer is 1.76 because 105.6 divided by 60 is 1.76
P.S Can I have brainliest?