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OpenStudy (taylormarie213):
Please help me on this. Gracias.
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OpenStudy (taylormarie213):
OpenStudy (mathstudent55):
For the first part, let h = 320 and solve for t.
OpenStudy (mathstudent55):
For the second part, when the rocket is on the ground, the height is zero, so let h = 0 and solve the equation.
OpenStudy (taylormarie213):
ok so it would be: |dw:1365466100808:dw|
OpenStudy (mathstudent55):
correct
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OpenStudy (taylormarie213):
ok then. do you subtract the 144 and 16 and what do you do with the t squared?
OpenStudy (mathstudent55):
You need to solve the quadratic equation.
OpenStudy (taylormarie213):
for part 2 right? but what about part 1?
OpenStudy (mathstudent55):
|dw:1365466462772:dw|
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