(-9x²-2x) - (-9x²-3x) = (-9x²-2x) +(9x²+3x) = -9x²-2x+9x²+3x = (-9x²+9x²)+(-2x+3x) = x
Multiply both sides by three to get 2x=30
Then divide both sides by 2 to get x=15
A central angle in a circle with a radius of 7in. intercepts an arc with a length of 9in. What is the radian measure of the central angle?
Answer:
First find what to sing about. Next get your rythim. Last get the lyrics together.
Step-by-step explanation: