jakalenn2018
18.10.2020 •
Mathematics
1/2r + 2 (3/4r - 1) = 1/4r + 6
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Ответ:
r=32/7
Step-by-step explanation:
Ответ:
x f(x)
10 60
13 78
16 96
19 114
f(x) = distance, m
x = time, s
Between x = 10 to x = 16,
f(x) varies by 96 - 60 = 36 m,
x vaires by 16 - 10 = 6 s.
The average speed is
v = (36 m)/(6 s) = 6 m/s.
6 m/s