brookie125
25.03.2020 •
Mathematics
For proper airflow, a rectangular duct must have an area of 147.25 sq cm. The duct must be placed in the wall and must have a width of 9.5 cm. What must the height of the duct opening be?
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Ответ:
2x+y=105 and x+4y=105 are the system of equations that can be used to find the cost of each item
Step-by-step explanation: