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Mathematics 13 Online
OpenStudy (anonymous):

Please help me

OpenStudy (anonymous):

OpenStudy (e.cociuba):

wats up??

OpenStudy (anonymous):

i don't know how to put the intervals into the equation

OpenStudy (anonymous):

i mean formula

OpenStudy (anonymous):

Well T = -2t^2 + 24t + 5 You want to know when T is at least 69 \[ T \ge 69\] Now try to solve 69 = -2t^2 + 24t + 5

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