ally7366
25.09.2019 •
Mathematics
Given equations a and b as 2/5x+y=12 and 5/2y-x=6, respectively, which expression will eliminate variable x?
a.)5/2a+2/5b
b.)5/2a-b
c.)a+2/5b
d.)5/2a-2/5b
e.)25/10a+6/10b
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Ответ:
Therefore, the expression that will eliminate variable x is
5/2A - 2/5B
Ответ:
It is C I did the test.
Step-by-step explanation:
I use Edmentum so I do not know if it works for other online websites but its the answer for Edmentum.
Ответ:
There are 10 two point questions and 16 five point questions.
Step-by-step explanation:
x = the number of 2 points questionsy = the number of 5 points questionsx + y = 262x + 5y = 100x = 10 two points questionsy = 16 five points questions