Answer:
234.93 minutes. Divide by 60 and you get 3 hours almost 4.
Step-by-step explanation:
In order to answer the question, you need to know the formula area of an ellipse.
Area = pi * a * b
a = minor axis
b = major semi-axis
Area = 3.14 * 20 * 14
Area = 879.20 cm^2
Answer: Yes, y does vary directly with x.
Constant of variation = 1/4
The function rule is y = (1/4)x
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Explanation:
Let's assume that y does vary directly with x.
If that's the case, then we have an equation in the form y = kx, where k is the constant of variation.
Solving for k gets us k = y/x
For each row, divide the y value over the x value
- row one: k = y/x = 14/56 = 0.25
- row two: k = y/x = 20/80 = 0.25
- row three: k = y/x = 22/88 = 0.25
Each row yields the value k = 0.25 and it fully confirms y does vary directly with x.
So y = kx becomes y = 0.25x as the function rule, which is equivalent to y = (1/4)x
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