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Section 1.10
54 & 60
Question 54
The mathematical model is A = kr^2. I must now find k.
A = kr^2
9pi = k(3^2)
9pi = 9k
9pi/9 = k
pi = k
The constant of proportionality is pi.
Question 60
I found the mathematical model to be
z = k[x^2/y].
Let k = constant of proportionality.
6 = k[(6^2)/4]
6 = k[(36)/4]
6 = 9k
6/9 = k
2/3 = k
You say?
54 & 60
Question 54
The mathematical model is A = kr^2. I must now find k.
A = kr^2
9pi = k(3^2)
9pi = 9k
9pi/9 = k
pi = k
The constant of proportionality is pi.
Question 60
I found the mathematical model to be
z = k[x^2/y].
Let k = constant of proportionality.
6 = k[(6^2)/4]
6 = k[(36)/4]
6 = 9k
6/9 = k
2/3 = k
You say?
