30t-0.3t^2=5

Simple and best practice solution for 30t-0.3t^2=5 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 30t-0.3t^2=5 equation:


Simplifying
30t + -0.3t2 = 5

Solving
30t + -0.3t2 = 5

Solving for variable 't'.

Reorder the terms:
-5 + 30t + -0.3t2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + 30t + -0.3t2 = 0

Begin completing the square.  Divide all terms by
-0.3 the coefficient of the squared term: 

Divide each side by '-0.3'.
16.66666667 + -100t + t2 = 0

Move the constant term to the right:

Add '-16.66666667' to each side of the equation.
16.66666667 + -100t + -16.66666667 + t2 = 0 + -16.66666667

Reorder the terms:
16.66666667 + -16.66666667 + -100t + t2 = 0 + -16.66666667

Combine like terms: 16.66666667 + -16.66666667 = 0.00000000
0.00000000 + -100t + t2 = 0 + -16.66666667
-100t + t2 = 0 + -16.66666667

Combine like terms: 0 + -16.66666667 = -16.66666667
-100t + t2 = -16.66666667

The t term is -100t.  Take half its coefficient (-50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
-100t + 2500 + t2 = -16.66666667 + 2500

Reorder the terms:
2500 + -100t + t2 = -16.66666667 + 2500

Combine like terms: -16.66666667 + 2500 = 2483.33333333
2500 + -100t + t2 = 2483.33333333

Factor a perfect square on the left side:
(t + -50)(t + -50) = 2483.33333333

Calculate the square root of the right side: 49.833054626

Break this problem into two subproblems by setting 
(t + -50) equal to 49.833054626 and -49.833054626.

Subproblem 1

t + -50 = 49.833054626 Simplifying t + -50 = 49.833054626 Reorder the terms: -50 + t = 49.833054626 Solving -50 + t = 49.833054626 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + t = 49.833054626 + 50 Combine like terms: -50 + 50 = 0 0 + t = 49.833054626 + 50 t = 49.833054626 + 50 Combine like terms: 49.833054626 + 50 = 99.833054626 t = 99.833054626 Simplifying t = 99.833054626

Subproblem 2

t + -50 = -49.833054626 Simplifying t + -50 = -49.833054626 Reorder the terms: -50 + t = -49.833054626 Solving -50 + t = -49.833054626 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + t = -49.833054626 + 50 Combine like terms: -50 + 50 = 0 0 + t = -49.833054626 + 50 t = -49.833054626 + 50 Combine like terms: -49.833054626 + 50 = 0.166945374 t = 0.166945374 Simplifying t = 0.166945374

Solution

The solution to the problem is based on the solutions from the subproblems. t = {99.833054626, 0.166945374}

See similar equations:

| 4(y-1)+2=3(1-2y)+5 | | 3y=9-12x | | =9(9)+9 | | 7/2=a/8 | | 15/5=a/11 | | =10(9)-3 | | -29(4-3x)-6x=10 | | 2n-2=n+4 | | m.-5+13=20 | | 70=11x-51 | | 11a+8-11a= | | 12=3a+8 | | 4x+8+7x+3= | | r^2+6r=9 | | 17x+13=79+10x-3 | | 18x-(17x-9)=-149 | | 100y= | | 9=2c+3 | | 9=3c+3 | | 9X-21=35minusX | | 10x+10=53+6x-3 | | g^2-24g+80=0 | | 5x=x+28 | | ln(6x+11)=ln(5x+6) | | 4x-0.8+3x-0.05= | | 2x+4x-12=0 | | 16=-(2+n) | | 2l+2w=102 | | 4b-11=17 | | 0.6x+14.2=x-2.72 | | (X+3)(x-3)(x)=440 | | 3+8lnx=2 |

Equations solver categories