Answer:
25 ft^2
Step-by-step explanation:
In direct variation, if y varies directly with x, then the equation has the form
y = kx,
where k is the constant of proportionality. y is proportional to x.
Let's call the area y and the distance x.
Here, the area varies with the square of the distance, so the equation has the form
y = kx^2
Here, y is proportional to the square of x.
We can find the value of k by using the given information.
y = kx^2
When x = 20 ft, y = 16 ft^2.
16 = k(20^2)
k = 16/400
k = 1/25
The equation of the relation is:
y = (1/25)x^2
Now we use the equation we found to answer the question.
What is y (the area) when x (the distance) is 25 ft?
y = (1/25)x^2
y = (1/25)(25^2)
y = 25
Answer: 25 ft^2
Answer:
-0.04x +17.2
Step-by-step explanation:
Answer:
x represents +50 for every hour. the inequality is y = 4x + 500 or y = x + 500.
they can ride it for 4 hours
Step-by-step explanation:
y(total cost) = x(50 per hour) + 500(y-intercept)
Answer:
The answer shoudl be 6.2 miles
Step-by-step explanation:
The answer is
*6.340338097E53
