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
ab=3x
x=7
3x=7×3x
7×3=21
x=7
2x=7×2x
2×7=14
You just multiple the radius
Answer:
$4, and $44
Step-by-step explanation:
10% of 40 = $4
40+4=$44
just mark 4 , 44 on number line
First subtract 10 from both sides:
37 -10 = 6x + 10 -10
27 = 6x
Then divide both sides by 6
27 ÷ 6 = 6x ÷ 6
9/2 or 4.5 = x