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17.04.2020 •
Mathematics
-15x+3.2y+7x+3y i need help with this question
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Ответ:
The answer is 2,
If the find the area of one side on the end (3.5 in ² )
You take 3.5 and dived 70 by that and get 20
70/3.5 = 10x
10x = 20
x = 2