ehthaboe7265
19.09.2021 •
Mathematics
What is the value of x?
(x +40)
(3x)
R
O 20
O 35
w
O 60
O 70
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Ответ:
1.8 m
Step-by-step explanation:
h(T)=-9.8T^2+20T+1
just replace the T with 2
h=-9.8(2^2)+20(2)+1
-9.8×4+40+1=1.8m
1.8m