4.9t^2+9=19t

Simple and best practice solution for 4.9t^2+9=19t 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 4.9t^2+9=19t equation:


Simplifying
4.9t2 + 9 = 19t

Reorder the terms:
9 + 4.9t2 = 19t

Solving
9 + 4.9t2 = 19t

Solving for variable 't'.

Reorder the terms:
9 + -19t + 4.9t2 = 19t + -19t

Combine like terms: 19t + -19t = 0
9 + -19t + 4.9t2 = 0

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

Divide each side by '4.9'.
1.836734694 + -3.87755102t + t2 = 0

Move the constant term to the right:

Add '-1.836734694' to each side of the equation.
1.836734694 + -3.87755102t + -1.836734694 + t2 = 0 + -1.836734694

Reorder the terms:
1.836734694 + -1.836734694 + -3.87755102t + t2 = 0 + -1.836734694

Combine like terms: 1.836734694 + -1.836734694 = 0.000000000
0.000000000 + -3.87755102t + t2 = 0 + -1.836734694
-3.87755102t + t2 = 0 + -1.836734694

Combine like terms: 0 + -1.836734694 = -1.836734694
-3.87755102t + t2 = -1.836734694

The t term is -3.87755102t.  Take half its coefficient (-1.93877551).
Square it (3.758850478) and add it to both sides.

Add '3.758850478' to each side of the equation.
-3.87755102t + 3.758850478 + t2 = -1.836734694 + 3.758850478

Reorder the terms:
3.758850478 + -3.87755102t + t2 = -1.836734694 + 3.758850478

Combine like terms: -1.836734694 + 3.758850478 = 1.922115784
3.758850478 + -3.87755102t + t2 = 1.922115784

Factor a perfect square on the left side:
(t + -1.93877551)(t + -1.93877551) = 1.922115784

Calculate the square root of the right side: 1.386403904

Break this problem into two subproblems by setting 
(t + -1.93877551) equal to 1.386403904 and -1.386403904.

Subproblem 1

t + -1.93877551 = 1.386403904 Simplifying t + -1.93877551 = 1.386403904 Reorder the terms: -1.93877551 + t = 1.386403904 Solving -1.93877551 + t = 1.386403904 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.93877551' to each side of the equation. -1.93877551 + 1.93877551 + t = 1.386403904 + 1.93877551 Combine like terms: -1.93877551 + 1.93877551 = 0.00000000 0.00000000 + t = 1.386403904 + 1.93877551 t = 1.386403904 + 1.93877551 Combine like terms: 1.386403904 + 1.93877551 = 3.325179414 t = 3.325179414 Simplifying t = 3.325179414

Subproblem 2

t + -1.93877551 = -1.386403904 Simplifying t + -1.93877551 = -1.386403904 Reorder the terms: -1.93877551 + t = -1.386403904 Solving -1.93877551 + t = -1.386403904 Solving for variable 't'. Move all terms containing t to the left, all other terms to the right. Add '1.93877551' to each side of the equation. -1.93877551 + 1.93877551 + t = -1.386403904 + 1.93877551 Combine like terms: -1.93877551 + 1.93877551 = 0.00000000 0.00000000 + t = -1.386403904 + 1.93877551 t = -1.386403904 + 1.93877551 Combine like terms: -1.386403904 + 1.93877551 = 0.552371606 t = 0.552371606 Simplifying t = 0.552371606

Solution

The solution to the problem is based on the solutions from the subproblems. t = {3.325179414, 0.552371606}

See similar equations:

| (x+2)=x+4 | | 3x-2=1.3(x+4) | | 5x-7x+6=12 | | x^2+y^2+6x-14y-42=0 | | 6sinx-4=0 | | 815+X=902 | | 4(2n+2)=9(9n+6)+9 | | 40t^2-83t+42=0 | | 2x+(x-15000)+x=109000 | | y^2+5y-7y-35=0 | | 40=4x+10-x | | x+120+2x-33= | | y=15.7x+459 | | x^7=301 | | 4y-14y=30 | | R=54x^2+-263x+833 | | -3=30 | | 0=x^3-5x | | -11+9n=n+29 | | 2ln(x+1)=40 | | 5x+12=-7x-51 | | 9x-8x+10=11-2 | | y=26-13 | | F(x)=0.4x | | 2n+30=7n | | 4z=6z+34 | | 3x(2u+8)=60 | | n+26=21 | | 4-3(x+7)=9-x-3x | | V(x)=x(30-2x)(30-2x) | | 6.3-.4y+y=9 | | 54=6x^2 |

Equations solver categories