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Tpy6a [65]
3 years ago
15

On the ceiling of a cavern, a stalactite grows downward

Mathematics
1 answer:
Tcecarenko [31]3 years ago
4 0
The stalactites become 0.004 + 0.006 = 0.01 inches closer each year, and begin 10 feet apart, or 120 inches apart. 

let y be the distance between them, and x be the number of years that go by:
y = -0.01x + 120

We want to find where y = 0, where they meet:
0 = -0.01x + 120        Add 0.01x to both sides
0.01x = 120               Multiply both sides by 100
x = 12,000 

The stalagmite and stalactite will meet in 12,000 years
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