neariah24
03.11.2020 •
Mathematics
Convert the equation -9x^2+25y^2-100y-125=0 into standard form
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Ответ:
it takes 2/3 gallons to paint each square yard of wall.
You know that Tyler painted 9/2 square yards area with 3 gallons of paint and want to know many gallons of paint does it take to paint each square yard of wall.
Then 9/2 square yards - 3 gallons
1 square yards - x gallons,
mathematically this is proportion: (in the picture)