jtmoney10
25.11.2020 •
Mathematics
How many solutions does this system have?
-x + 2y = 16
4x - 8y = -64
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Ответ:
Multiply first equation by -4
You would get the same equation as the second one
Ответ:
The number of permutations of 4 objects taken 4 at a time is given by
4!/(4-4)! = 4!/0! = 4!/1 = 4! = 24