Answer:isis
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Step-by-step explanation:
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The equation for the line containing the vertical right edge of the arch is x = 60.
The line representing the right edge is the line passing through the parabola on the right side at y = 20.
It is given that the left edge of the arch is the y-axis.
The parabola and the vertical base are symmetrical.
We can see that the left edge begins (0, 20). This means that the right edge would also have y = 20.
Observe the given graph. We can see that the parabola passes y = 20 again at the point (60, 20).
This means that the equation of the line representing the right edge is x = 60.
Therefore, we have found the equation for the line containing the vertical right edge of the arch to be x = 60.
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Answer:
The answer is x=60.
Since the arch and its base are symmetrical, so that other side of arch should be at (x, 20). Refer to x-axis when y is equal to 20. Thus, x=60.
I just took the test and the answer is correct.
Step-by-step explanation:
18 inches= 1 1/2 feet= 1.5 feet
18 inches = 1.5 feet
(1) Now we make a proportion to find feet for given inches
1.5 * 36 = 18*x
54 = 18 x (Divide by 18 on both sides)
x = 3
3 feet long is a 36 inch board
(2) 72 inch board
1.5 * 72 = 18*x
108 = 18 x (Divide by 18 on both sides)
x = 6
6 feet long is a 72 inch board
(3) 144 inch board
1.5 * 144 = 18*x
216 = 18 x (Divide by 18 on both sides)
x = 12
12 feet long is a 144 inch board
A 36-inch board would be 3 feet long, a 72-inch board would be 6 feet long, and a 144-inch board would be 12 feet long.
We have,
If 18 inches is equal to 1 1/2 feet, we can use this conversion factor to find the equivalent length in feet for different measurements.
For a 36-inch board:
We know that 18 inches is equal to 1 1/2 feet.
Therefore, 36 inches would be twice that length, which is 3 feet.
For a 72-inch board:
Again, using the conversion factor, we know that 18 inches is equal to 1 1/2 feet.
Therefore, 72 inches would be four times that length, which is 6 feet.
For a 144-inch board:
Using the same conversion factor, we can see that 18 inches is equal to 1 1/2 feet.
Therefore, 144 inches would be eight times that length, which is 12 feet.
Thus,
A 36-inch board would be 3 feet long, a 72-inch board would be 6 feet long, and a 144-inch board would be 12 feet long.
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