Answer:
the corect answer is C
Step-by-step explanation:
<span>Select one equation and solve it for one of its variables.
In the other equation, substitute for the variable just solved.
Solve the new equation.
<span>Substitute the value found into any equation involving both variables and solve for the other variable. </span></span>
Answer:
nothing
Step-by-step explanation:
You get nothing because it would make -43256742984
Answer:
A equation of a line that has the same slope as y=3x-1 would be maybe one like Y= 3x+1
hope this helps.
Answer:
2 gallons of pure alcohol
Step-by-step explanation:
Let x represent the number of gallons of pure alcohol needed, and create an equation:
4(0.25) + x(1) = (x + 4)0.5
1 + x = 0.5x + 2
x = 0.5x + 1
0.5x = 1
x = 2
So, 2 gallons of pure alcohol should be added.
