Selena2345
  • Selena2345
Heather wanted to measure the effects of erosion on a mound of soil in her backyard. The area she measured was 9 inches in height. During a storm it eroded 1/8 every day for 8 days. Write an expression that can be used to find the height of the mound of soil after the storm and simplify the expression.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
katieb
  • katieb
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anonymous
  • anonymous
originally: 9in every day (1/8)th gets eroded.. how much is left out? -> 7/8th end of day 1-> \(h_1=9\times{7\over8}\) end of day 2->\(h_2=h_1{7\over8}=9\times\left({7\over8}\right)^2\) and so on.. end of nth day-> \(h_n=9\times\left({7\over8}\right)^n\)
anonymous
  • anonymous
so how much would be left?
Selena2345
  • Selena2345
63/8

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Selena2345
  • Selena2345
IS IT RIGHT electro kid
anonymous
  • anonymous
it will be \(9\times\left({7\over8}\right)^8\)
Selena2345
  • Selena2345
3.092480242
anonymous
  • anonymous
yep
anonymous
  • anonymous
how did you get 63/8?
Selena2345
  • Selena2345
i multipled 9*7/8
anonymous
  • anonymous
that is after the first day.. look at my elaboration.. after "n" number of days... \(h_n\)
anonymous
  • anonymous
the question asks you to obtain that expression!
Selena2345
  • Selena2345
CAN YOU HELP ME WITH 9 WORD PROBLEMS PLEASE ?
anonymous
  • anonymous
say whaaaat!! i needed to chill, so i did this one.. there are lots o' nice people over here... post em up, I am sure somebody would answer
anonymous
  • anonymous
:)
Selena2345
  • Selena2345
NOBODY ANSWER PLEASE

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