5x + y = 27
substitute: 5x + 4x = 27
combine: 9x = 27
divide (by 9): x = 3
Answer:
one memory strategy is looking at your notes twice a day and adding or taking away from them, highlighting helps a lot
i hope i helped bebe
Step-by-step explanation:
66 is the anwer I think I'm not for sure I hope this helps and you get it right
Answer:
9
Step-by-step explanation:
Answer:
from left hand side:tan^2/secx=(,sin^2x/cos^2x)/(1/cosx)=sin^2x/cosx=sinx×sinx/cosx=sinx.tanx=right hand side.verified.
