Answer:
The LCM of 10, 12, and 18 is 180.
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A triangle is added up to 180 degrees.
A parallelogram adds up to 180 degrees.
A pentagon adds up to 540 degrees.
A hexagon adds up to 720 degrees.
When solving a linear equation (in one variable), there are three possible outcomes: one solution, no solution, and infinitely many solutions.
You know you have one solution when you get to a situation like “x= a number”. That means that’s the only x-value that makes the equation true.
If you get to something like “2=6” which is not true, that means the equation cannot ever be made true, so there is no solution to that equation.
If you get to something like “2=2” which is always true, that means the equation is always true, no matter what value you pick for the variable. This type of equation has infinitely many solutions.
In terms of your specific question, the third answer is the one that is a true statement.
