Answer:
422.16
Step-by-step explanation:
Area of circle
A=π²
(3.14)×(12²)
(12²)=144
(3.14)×(144)=452.16
Area of rectangle
10×3=30
452.16-30=422.16
3x - 7 = 5x + 9
3x - 5x = 9 + 7
-2x = 16
x = 16/-2
x = -8 <== ur number
Answer:
60%
Step-by-step explanation:
40-16=24
24/40=0.6
0.6*100=60
First, work out the difference (decrease) between the two numbers you are comparing.
Decrease = Original Number - New Number
Next, divide the decrease by the original number and multiply the answer by 100.
% Decrease = Decrease ÷ Original Number × 100
Answer:4
Step-by-step explanation:
2x-6=14
2x=8
x=4
