The depth of the ocean crust can be approximated by the equation:
d=2500+350*t^1/2, where d=depth in meters, and t=age in millions of
years

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OpenStudy (anonymous):

can anyone help with this ???

OpenStudy (anonymous):

what is the question lol

OpenStudy (anonymous):

The depth of the ocean crust can be approximated by the equation:
d=2500+350*t^1/2, where d=depth in meters, and t=age in millions of
years. How old would the crust be if it were 5000 m deep? How deep
would the crust be if it were new (zero years?

OpenStudy (anonymous):

lol do u get it??

OpenStudy (anonymous):

yeah sorry i was away, i will answer you in 5 minutes

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OpenStudy (anonymous):

ok thankss

OpenStudy (anonymous):

\[t=((d-2500)/350)^2\]
\[t \approx 51\] MegaYears

OpenStudy (anonymous):

step by step ?

OpenStudy (anonymous):

1. substract 2500 from both sides of the equation
2. devide 350 on both sides of the equation
3. square both sides of the equation

OpenStudy (anonymous):

4. plug in your value of t = 5000
5. get an approximative answer of 51 MY

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