There will only be one solution to this problem.
220 = 2x - 12x
Combine like terms on the right side of the equation:
220 = - 10x
Divide both sides by - 10 to isolate the variable x.
220 / - 10 = x
-22 = x, one solution.
Answer:
20 seconds
Step-by-step explanation:
roots are (0,0) and (20,0) so 20-0 will provide the time from takeoff to landing
I found a website that could help you with your problem
https://planetcalc.com/981/
just put in the numbers and it will calculate for you.
hope i helped :-)
B is equal to 51 because angles in a right angle add up to 90