Answer:
2x + 2y + 7
Step-by-step explanation:
5x - ( 3x - 7 ) + 2y
= 5x - 3x + 7 + 2y
= 2x + 7 + 2y
= 2x + 2y + 7
105 I don't know if its correct
It is because the X is getting divided by 7.
5+3*6
First do multiplication:
5 + 18
Now add:
5 +18 = 23
The answer is A.
Hello,
Loi d'Ohm: U=R*I
a) U=20*0.5=10 (amp)
b) I=U/R=50/0.5=100 (amp)
here you have the answers
