If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying
238.64 = 3.14r2
Solving
238.64 = 3.14r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14r2' to each side of the equation.
238.64 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
238.64 + -3.14r2 = 0.00
Add '-238.64' to each side of the equation.
238.64 + -238.64 + -3.14r2 = 0.00 + -238.64
Combine like terms: 238.64 + -238.64 = 0.00
0.00 + -3.14r2 = 0.00 + -238.64
-3.14r2 = 0.00 + -238.64
Combine like terms: 0.00 + -238.64 = -238.64
-3.14r2 = -238.64
Divide each side by '-3.14'.
r2 = 76
Simplifying
r2 = 76
Take the square root of each side:
r = {-8.717797887, 8.717797887}
| f(x)=5x^2+7x-5 | | x/20=12/5 | | 50.24=2r*4.14 | | 5x-5-2x+6=13 | | 15-4=21 | | 7(x+2)-3=15 | | 28-12=2(x-6) | | 4(3x+4)+5(x-3)= | | 3n^3=192n | | 72=l*w | | -4-3x=2 | | 100t^2+100t-2550=0 | | 4t=8(t-1/4) | | 5x+3z=66 | | 210(t-5)=41790 | | an=.5n+1 | | an=n-.5 | | 2xy=-6 | | .66(n-3)=8 | | 4x+2y=680 | | 0.04(2c-46)=-0.8(c-1) | | an=n+3 | | 1000+40+1000+30+1000+20+1000+10= | | x-7=6+20 | | 6x+4=3-2x | | x^2+y^2+2x-6y+14=0 | | 3powerx=7 | | 3g-2g+g=8 | | an=(-1)n | | y-y+2=y | | 4-305= | | 10=4y+1 |