Step-by-step explanation:
A = B
7x + 40° = 3x + 112°
7x - 3x = 112° - 40°
4x = 72°
x = 18°
A = 7x + 40°
= 7(18°) + 40°
= 126° + 40°
= 166°
hope it help
can you help to answer my question? my math is better ,but my english is bad ,can you help me,please
Answer:B
Step-by-step explanation:
The quadratic formula can be used to solve an equation only if the highest degree in the equation is 2
Try this solution:1. to make up the characteristic equation:α²+5α=0;

2. to make up the final answer:y=C₁+C₂e⁻⁵ˣ
Use photo math to help you with this question
Answer:
Presumably the first graph solely based on its shape.