Answer:
1. x= - 20/13
2. 7x-21
Step-by-step explanation:
Answer:
4.086 or rounded to 4.1
Step-by-step explanation
Since we need to combine the amounts he ran on each day we need to add. We need to add normally and then add the decimal after the number 4. make sure to add km at the end to label your answer.
The answer is b, hope I helped (:
3x + 22 is the equation that represents the perimeter of the triangle. 4x + 10 is the perimeter of the rectangle. Setting the two equal:

and collecting like terms:

We find that the perimeter of both shapes is equal to 11 units.
Step-by-step explanation:
given, b=2
now,
=b.5
=2.5
=10