Answer:

Step-by-step explanation:
- standard form is Ax + By = C
- In short, get all the variables on the left and the constants on the right
Answer:
122 and 58
Step-by-step explanation:
literally just math.
Answer:
x=10
Step-by-step explanation:
I guess solve for x
5x=50
x=10
Answer:
58%
Step-by-step explanation:
vertical angles are always the same
Hello!
The answer is: 17 ft.
Explanation:
To find this out, just divide the perimeter, and the amount of sides in a triangle, which is 3. This will only work with equilateral triangles because an equilateral triangle has all three sides the same length. Anyway, divide 51 and 3. (51 / 3 = 17) Just to make sure, you can add three 17's together, 17 + 17 + 17 = 51, the perimeter.
I hope this helped! ~Q