The sum of the interior angles of a triangle is 180 degrees
2x-9+3x+x+3=180
6x-6=180
6x=186
x=31
A=2(31)-9
A=62-9
A=53
The scale drawing of the computer lab will have a length of 4 centimeter and a widtgh of 6 centimeter.
X-10>15.........................................
Could you type the answer into this answers comments? because I think I see 8452 + something but i cant see what that is
Here, you have to foil the equation.
Distribute 4x to all sides, then distribute the -3 to all sides. Next, combine like terms. If you do this, your answer will be