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galben [10]
3 years ago
6

when you first move into your current house, you noticed that a tree outside had a height of 63 inches. You noticed that after 3

years, the height was 72 inches. Predict how tall the tree will be after 20 years.
Mathematics
1 answer:
givi [52]3 years ago
4 0
72-62=9 (grow 9 inches in 3years)
In a year it grows 3 inches (9/3)
Find how much it grows in 20 years:
3*20=60 inches
Then just add the 60 inches to the original height er
63+60=123 inches
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Answer:

y = (x - 10)^2 / 100 + 1

Step-by-step explanation:

given:


A suspension footbridge has two 2-meter vertical supports 20 meters apart so the cable connecting 'em will be a convex parabola


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so y = a(x-10)^2 + 1

at y-axis, x=0, y=2

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a = 1/100

so the eqn is y = (x - 10)^2 / 100 + 1

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3 years ago
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