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ArbitrLikvidat [17]
3 years ago
7

A sand dune stands 5 feet above sea level. The hill is eroding at a rate of 1 foot per 20 years. Let y represent the height of t

he sand dune after x years. Which equation represents the situation?

Mathematics
2 answers:
In-s [12.5K]3 years ago
8 0

Answer:

y=-1/20x+5

Step-by-step explanation:

Andrews [41]3 years ago
3 0
The situation will be represented by linear equation, this is given by:
y=ax+b
where:
a=slope=rate
b=y-intercept
from our situation:

a=-1/20
b=5 ft
thus the equation modeling the situation will be:
y=-1/20x+5

Answer: y=-1/20x+5
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