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OpenStudy (anonymous):
If a rock falls from a height of 33 meters on Earth, the height H (in meters) after x seconds is approximately H(x)=33-4.9x^2. When is the height of the rock 10 meters?
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OpenStudy (anonymous):
H(x)= Height in metres. \[10=33-4.9x^2\]
OpenStudy (anonymous):
Wasn't sure how to set that one up. Thanks.
OpenStudy (anonymous):
No worries.
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