Answer:
all fractions containing integers are rational numbers is true I believe.
Step-by-step explanation:
Answer:
-10
Step-by-step explanation:
when you subract a negative the minus signs negate each other
The third one is the correct graph for the equation
hope it helps !!
Answer:
x = 20
Step-by-step explanation:
x° + 2x° + (x+10)° = 90°
3x° + x° + 10° = 90°
4x° + 10° = 90°
4x° = 90°-10°
4x° = 80°
x = 80/4
x = 20
Step-by-step explanation:
2 (x-3)-4 (x+3)
