180° = 70° + (2x-10°) + (x+30°)
180° - 70° = (2x-10°) + (x+30°)
110° = 3x + 20°
110° - 20° = 3x
90° = 3x
x = 30°
A is 2x - 10°
A = 2(30) - 10
A = 60 - 10
A = 50°
Answer:
first one: x=0.23529411
second one: x=-1
3rd one: x=-3
4th one: x=10
Step-by-step explanation:
i hope this helped but i use (math. way.)
Answer:How much does he usually grow ?
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
usually anything with 11 on the numerator is a repeating decimal and the 0.37 is closest to 36.
so by guessing you know is D
