Answer:
The length of rectangular is increasing at a rate 0.5714 meters per hour.
Step-by-step explanation:
We are given the following in the question:
Initial dimensions of rectangular box:
Length,l = 10 m
Width,w = 7 m

We have to find the rate of increase of length.
Area of rectangle =

Differentiating we get,

Putting values, we get,

Thus, the length of rectangular is increasing at a rate 0.5714 meters per hour.
Answer:
do you mean "8.469"? of so 8.5
Step-by-step explanation:
assuming the comma should be a decimal
Answer:
what are you talking about
Answer
What are the numbers
Step-by-step explanation: