4pi/2pi = x/360
use a proportion
2 radians equals 360 degrees
x = 720 degrees
Decimal Form:
1.15470053
…
Step-by-step explanation:
Answer:x= 5/2 x= -1/2
Step-by-step explanation:
4(x-1)2-9
4(x2-2x+1) - 9
4x2 - 8x + 4 - 9
4x2 - 8x - 5
4x2 +2x - 10x - 5
2x(2x+1) - 5(2x+1)
(2x-5)(2x+1)
therefore, x= 5/2 x= -1/2
mark brainliest plzz
if there's 1 boy to every 4 girls, there's going to be 5 boys for every 20 girls
The correct answer is C (-20) let me know if you want to know how I got that answer