Answer:
(-1, -2)
Step-by-step explanation:
Answer:
The rusting of iron is represented by the equation 4Fe +3O2 --> 2Fe2O3.
Step-by-step explanation:
Answer:
Step-by-step explanation:
7/11 as a percent is 63.64% rounded to the nearest hundredth. 7÷11*100=63.64
Answer:
unsolvable because the second equation is just -2.5 times the first equation.
Step-by-step explanation:
2x-6y=12 then 2x=12+6y x=6+3y
-5x+15y=-30
substitute x
-5(6+3y)+15y=-30
-30-15y+15y=-30
y=y