Perimeter is the sum of all of the sides. Triangles have three, so the expression to use is 12x + 18/3, or 4x + 6.
Answer:
Zero
Step-by-step explanation:
To find the additive inverse, you merely change the sign of the number
For Example 5 {5 is the number} + (-5) {-5 is the additive inverse} = 0.
i.e. 6 + (-6) = 0
i.e (-7) + 7 = 0
Answer:
19)tu=12
20) true
Step-by-step explanation:
19) (22+5x)+(19-2x)=35
3x+41=35
3x=-6
x=-2
TU=22+5*-2
=12
Answer:


Step-by-step explanation:


Well maybe you could draw a little cup of raisins label it it 1 1/4 and multiply that be 5