60? idk really srsly lalalalalallala
Based on what I learned in school, your answer should be correct. I double checked the calculations:)
Answer:
<u>1/4</u>
Step-by-step explanation:
if you take the fraction 3/12 and divide it by 3 on both sides, you get the remaining fraction 1/4
2x + 5 = 0.5x - 1
(Multiplying by 2 cause I hate fractions/decimals)
4x + 10 = x - 2
3x + 10 = -2
3x = -12
x = -4
Y = 2x + 5
Y = 2(-4) + 5
Y = -8 + 5
Y = -3
Y = 0.5x - 1
Y = 0.5(-4) - 1
Y = -2 - 1
Y = -3
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Answer:

The above expression shows that ratios of the areas of the circles are equal to the square of the ratio of their radii.
Step-by-step explanation:
Radius of first circle
= 9 inches
Area of first circle = 
Area of first circle = 9 × 9 × π = 81 π
Now, since the radius is multiplied by 2/3 for from a new circle.
∴ Radius of the second circle = 
Area of second circle = 
Area of second circle = 6 × 6 × π = 36 π
Now,


∵
= 9 inches and
= 6 inches
The above expression shows that ratios of the areas of the circles are equal to the square of the ratio of their radii. i.e., 