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DESIRE44030
13.04.2020 •
Mathematics
Given the set definitions below, find MxN.
M= {a,b,c}
N= {d, el
A. MxN= {(d).(a,e).(3,4).(b.e). (c,d).(c.e)}
B. MXN= {(2,6). (a,0).(d,e)}
C. MXN= {(a,b,c). (d.e)}
D. MXN= {a,b,c,d,e
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Ответ:
8.8 seconds
Step-by-step explanation:
Taking g = 9.81 m/s²
Convention: downwards positive
30 = -40t + 0.5(9.81)t²
4.905t² - 40t - 30 = 0
t = 8.846327763, -0.6913838279
t = 8.8s