Answer: x=7
ab=21
bc=14
Step-by-step explanation:
ab=3x
bc=2x±7
ac=42
3x±2x±7=42
5x±7=42
5x=42-7
5x=35
to get the value of x you divide 35 by 5x
35÷5x=7
so the value of x is 7
x=7
3x=7×3x
7×3=21
2x=7×2x
2×7=14
Answer:
look at the angles. they all ad up to 180 degrees devide that by 9, and there you go!
a or c
4 1/3 divided by 3 1/2. = 1.23
