nae878
01.12.2019 •
Mathematics
which system of equations has infinitely many solutions?
a)6x + 3y = 12
3x + y = 9
b)2x + 3y = 6
4x + y = 8
c)12x +9y = 6
4x + 3y = 6
d)5x + 10y = 20
2x+4y=8
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Ответ:
Divide the first equation by 5 to get
x + 2y = 4
Divide the second equation by 2 to also get
x + 2y = 4
Since they are the same equation it results in an answer that has infinitely many solutions.
Ответ:
The area is about 10 in.
Step-by-step explanation:
3 x 3 = 9 rounded to 10