Answer:
x=15
Step-by-step explanation:
21-6=15
-4x+y=-5x-y=15
x+y=-y=15
x=15
Answer:
x=10
Step-by-step explanation:
Because these are vertical angles, they will be congruent.
Ask yourself, "What times 3 is thirty?" or 30÷3=?
Your answer will be 10.
Step-by-step explanation:
1) 165⁰
2) 180⁰
Note:FOR initial temperature check the temperature at t=0
I hope it helped you