I can't see a square or a D given with your question.
But to find the perimeter you just have to add the surface of every side of the square.
Answer: the answer is never
Step-by-step explanation:
One decimeter is one tenth, or 0.1, of a meter. So multiply 50 meters by 0.1 (one decimeter). The answer is 5 decimeters in a race that is 50 meters.
Answer:
x = 100
Step-by-step explanation:
1. To get rid of the denominator of 5, multiply both sides of the equation to get 5
-40 + x = 60
2. Add 40 on both sides to get the variable x by itself
x = 60 + 40
3. Solve
x = 100