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zika5A
@zika5A
July 2023
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СРОЧНО НАДО!!!
ЭТО МОЧ ПО АЛГЕБРЕ!!!!!!!!
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kuralajaupova94
h(t)=-5t^2+18t >или равно 9
h(t)=-5t^2+18t-9=0
D=18^2-4•5•9=324-180=144
t1=-18+12/-10=0,6
t2=-18-12/-10=3
3-0,6=2,4(сек)
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Answers & Comments
h(t)=-5t^2+18t-9=0
D=18^2-4•5•9=324-180=144
t1=-18+12/-10=0,6
t2=-18-12/-10=3
3-0,6=2,4(сек)