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katlabuga99
@katlabuga99
July 2022
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помогите решить плииз
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sedinalana
Verified answer
1,4+14t-5t²=8
5t²-14t+6,6=0
D=196-132=64
t1=(14-8)/10=0,6
t2=(14+8)/10=2,2
t2-t1=2,2-0,6=1,2x
Ответ 1,2с
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Answers & Comments
Verified answer
1,4+14t-5t²=85t²-14t+6,6=0
D=196-132=64
t1=(14-8)/10=0,6
t2=(14+8)/10=2,2
t2-t1=2,2-0,6=1,2x
Ответ 1,2с