Answer:

Step-by-step explanation:
The logistic function of population growth, that is, the solution of the differential equation is as follows:

We use this equation to find the value of r.
In this problem, we have that:

So we find the value of r.






Applying ln to both sides of the equality


So
The differential equation is

The formula for surface area are 2(LW+LH+WH). If the numbers were being placed in the formula, it will become 2[(9*7)+(9*12)+(12*7)]. 9*7 is 63, 9*12 is 108, 12*7 is 84 and the sum will be 255, and multiply by 2 is 510.
The answer is 510
Answer:
The equation showing the relationship between the number of yards of yarn Paula has and the number of hats she can knit is ;
h = 42y
Step-by-step explanation:
Here, we want to write an equation;
From the question, we are told that the number of hats h that can be knitted is directly proportional to the amount of yarn in yards
Since it is a proportional relationship;
h = k * y
where k is the constant of proportionality given as 42
Hence;
h = 42 * y
h = 42y
This problem can be looked at like a right triangle, where the hypotenuse is 750 and one leg is 450. Thus 450^2 + the length of the park^2 = 750 ^2.
202500 + the length of the park^2 = 562500
the length of the park^2 = 360000
the length of the park = 600
Hope it helps <3