cashmoney12313p3v35a cashmoney12313p3v35a
  • 02-05-2018
  • Mathematics
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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 the sand dune after x years. Which equation represents the situation?

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 the sand dune after x years Which e class=

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CastleRook
CastleRook CastleRook
  • 11-05-2018
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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shestanl6
shestanl6 shestanl6
  • 17-05-2019

Answer:

y=-1/20x+5

Step-by-step explanation:

Answer Link

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