The answer is -10 and -13. when added they equal -23 and when you switch the symbol of the 10 and make the equation 10-13 you get -3. hope this helped.
Let the angle = x
Using the figure below, to find x, setup the equation:
x+70+x=180
2x+70=180
2x=110
x=55°
So the ball hits the surface at 55° and bounces back at 55°.
Answer: 55°
Answer:
148
Step-by-step explanation:
Use this app ok to help https://apps.apple.com/us/app/qanda-instant-math-helper/id1270676408 This will help you solve the problem
3x3=9. 9÷3=3. is the fact family