giraffesaur44
18.03.2021 •
Mathematics
Which term best describes xy?
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Ответ:
A
Step-by-step explanation:
Ответ:
a=-3456
b=-21/36
Step-by-step explanation:
(7/b)-36=(28/b)
(7/b)-(28/b)=36
7-28=36b
-21=36b
-21/36=b
Since you found one variable substitute it in to find the other variable
28/b=a/72
28/(-21/36)=a/72
28 * (36/-21)=a/72
-48=a/72
72* -48 = a
a=-3456
a=-3456
b=-21/36