jamaicandre7
09.12.2021 •
Mathematics
Write a two- column proof.
Given: 3x = x + 12
Prove: x =5
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Ответ:
2x=12
x=12/2
x=6
Ответ:
12 days
Step-by-step explanation:
Distance = speed / time
2214.50 = 21.14 / t
t = 2214.50 / 21.14 = 104.75 hours
At 9 hours per day, it will take
104.754/9 = 11.64 = 12 days