Answer:
15
Step-by-step explanation:
The constant is the term without the variable
5x+3y=15
15 is the constant
1.25x2=2.50
2.50x2=5.00
Total-7.50
20.00-7.50=12.50
To be honest the numbers up there are like dividing like it say 2 or -2 so i would be 2/-2 i hope these helps i really do
Answer:
∠ 3 = 50°
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.
∠ 1 is an exterior angle of the triangle, so
90° + ∠ 3 = ∠ 1
90° + ∠ 3 = 140° ( subtract 90° from both sides )
∠ 3 = 50°
