cicilee49
12.02.2021 •
Mathematics
—3х - 7y = 5
—3х + 7y = -9. Someone help me please with this
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Ответ:
Step-by-step explanation:
Add them together
-6x = -4
X = 4/6 y = -1
Ответ:
(x,y)=(23/6,-5/14)
Step-by-step explanation:
I used an app so dont get mad if its wrong
Ответ:
Sophia now has 39 cents.
Step-by-step explanation:
One quarter = 25 cents
Since Sophia had 64 cents until she spent 25 cents (1 quarter).
So we subtract 25 cents from 64 cents.
Therefore, Sophia now has 39 cents.