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nickames202otpo7q
19.12.2019 •
Mathematics
Asmall island in the middle of a river is eroding away. each year, the island has 85% of the area from the previous year. after one year the island has an area of 10.2 thousand square yards. graph the sequence and describe the pattern. how much of the island is left after 6 years?
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Ответ:
see the attachment for a graph
4.53 thousand square yards remain after 6 years
Step-by-step explanation:
The area can be described by an exponential equation that multiplies the area by 0.85 when the time variable increases by 1 year. Such an equation might be ...
a(t) = 10.2·0.85^(t-1)
The graph of this is attached.
After 6 years, the equation predicts
a(6) = 10.2·0.85^(6-1) ≈ 4.53 thousand square yards
of island will remain.
Ответ:
But I don’t know if it’s 100% correct but I gave it my best shot have a great day/night