Step-by-step explanation:
22+2x+8= x+20
2x+30=x+20
x+30=20
x=-10
answer is -10
Lateral Area of a cylinder is ; 2πR.H
R=12 mm and H= 15 mm
Then LATERAL area = 2π(12)(15) =48π ≈ 150 mm²
Answer:
7 x 2, 14, the area, then use pie, 3.14 to get the circle
Step-by-step explanation:
The scale factor is the number u multiply by the first image to get to the second image.
so 3 times what = 4
3x = 4
x = 4/3 (or 1 1/3) <== this is ur scale factor
Answer:rational
Step-by-step explanation: