leilaford2003
24.04.2020 •
Mathematics
Which of the following equations has infinitely many solutions?
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Ответ:
B
Step-by-step explanation:
If you look at A and you subtract 3x by 4x you get x and you subtract 3 from -7 and you get -10. But if you look at B you do the stuff in the parentheses first and you get 4x+12x+28=16x+28 and they're the same so it's B.
Ответ:
V=25.0V
Step-by-step explanation:
Ohm's Law formula states that
V=IR,where
V=potential difference
I= current
R=Resistance.
From the question, I=5.0A and R= 5.0Ω
By substitution,
Hence the potential difference is 25.0V