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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.
 one year ago
 one year ago
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.
 one year ago
 one year ago

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electrokidBest ResponseYou've already chosen the best response.1
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> \(h_n=9\times\left({7\over8}\right)^n\)
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
so how much would be left?
 one year ago

Selena2345Best ResponseYou've already chosen the best response.0
IS IT RIGHT electro kid
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
it will be \(9\times\left({7\over8}\right)^8\)
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
how did you get 63/8?
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
that is after the first day.. look at my elaboration.. after "n" number of days... \(h_n\)
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
the question asks you to obtain that expression!
 one year ago

Selena2345Best ResponseYou've already chosen the best response.0
CAN YOU HELP ME WITH 9 WORD PROBLEMS PLEASE ?
 one year ago

electrokidBest ResponseYou've already chosen the best response.1
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
 one year ago

Selena2345Best ResponseYou've already chosen the best response.0
NOBODY ANSWER PLEASE
 one year ago
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