Answer:
x=0, - 9
Step-by-step explanation:
x^2+9x=0
x(x+9)=0
x=0 or x=-9
x stands for a variable, in which the variable would be replaced by a number(s) that would make the equation true.
Hope this helps
1 : you would use a graduated cylinder . 2 : , you would use a yard stick or maybe a ruler if you are not able to find one. You can also use a meter stick.
Answer:
To know which is better to pay.
Step-by-step explanation:
Good Luck
Answer:
<em>x</em> = Total meal cost
<em>y</em> = Total cost-plus tip
113% * <em>x</em> = <em>y</em>
