kiarabermudez754
20.09.2019 •
Mathematics
Given: ab = 3y - 1, bc = 7y, ac = 29 prove: ab = 8
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Ответ:
3y - 1 + 7y = 29
10y - 1 = 29
10y = 29 + 1 = 30
y = 30/10 = 3
AB = 3(3) - 1 = 9 - 1 = 8
Ответ:
75.4
Step-by-step explanation:
You multiply 18 by 2 then 24 by 2 add them up and subtract 8.6