Perimeter = 2L + 2W → 240 = 2L + 2W → 120 = L + W → 120-L = W
Area = L x W → Area = L(120-L) → Area = 120L - L²
Find the derivative: dA/dL = 120 -2L → 0 = 120 - 2L → L = 60
Area = 120L - L² = 120(60) - (60)² = 7200 - 3600 = 3600
The maximum area is 3600 yds²
Answer:
k=2
Step-by-step explanation:
Answer:
Yes
Step-by-step explanation:
7/13*2=14/26
13/26=1/2
Answer:
a
Step-by-step explanation:
replace x with -7
300,000 pennies will equal $3,000 dollars
