Answer:
Step-by-step explanation:
To solve this problem, we can use the area of a circle formula:
<em>A = area</em>
<em>r = radius</em>
Lets plug the values into the equation:
Calculate 
Multiply 
and 9 together
The area of the truck wheel is
Put the values you know in the formula and solve for the constant of variation.
.. y = kx^2
.. k = y/x^2 . . . . . fill in values for y and x and compute.
12 feet is the answer. 4 times 3 is 12.
= 318
And the calculator can help you on problems like this
Hope That Helped =D
Answer:
15%
Step-by-step explanation:
15% of 40 is 6.
