3.14r^2*9=1332

Simple and best practice solution for 3.14r^2*9=1332 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3.14r^2*9=1332 equation: 


Simplifying
3.14r2 * 9 = 1332

Reorder the terms for easier multiplication:
3.14 * 9r2 = 1332

Multiply 3.14 * 9
28.26r2 = 1332

Solving
28.26r2 = 1332

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Divide each side by '28.26'.
r2 = 47.13375796

Simplifying
r2 = 47.13375796

Take the square root of each side:
r = {-6.865402971, 6.865402971}

See similar equations:

| 1.8x+3=1-5.7x | | (3x*3x)-4x=10 | | 3/12x3= | | 5=21 | | 2.8x=18-5.2x | | -6v^2=60 | | 2.5x+5=20-5x | | 6+12=-7 | | 7a-14=12a-3 | | 5n^2+2n+8=0 | | 15=3+4 | | 5(2y-6)-(4y-3)= | | 8x+15=-9x-6 | | X^2+8x+m=0 | | -4z+11=6z+3 | | 6(y-5)=18-2 | | X^2-6=-11 | | (x^3)(ln(x))=0 | | 7x+x+5=5x-4x | | x+3xy-4y=10 | | 12+11y=-10-5y | | (X^3)(lnx)=0 | | x+x(0.13)=357.65 | | 3x+5.7=-15 | | -6-9z=-14z+10 | | -8a=-24 | | 4x-64=-3x+48 | | 2y-4=15y-9 | | 4=2(v+6)-4v | | 7/8×40 | | 9/3(6*4/3) | | 5t/(3t)^5 |

Equations solver categories