Answer:
v=2-2root7, v=2+2root7
Step-by-step explanation:
-2v+8(1+2v)=-90
-2-4v^2+8+16v=-90
6-4v^2+16v=-90
-4v^2+16v=-96
v=2-2root7, v=2+2root7
Step-by-step explanation:
area of the rectangle = 3×4 cm²
= 12cm²
area of the circle = πr²= π = 3.14
area of the shaded region = 12-3.14 = 8.86 cm²
It might be b sorry if i’m wrong
Do the opposite: times 3 and square it.
(3*0.001)² = 0.000009