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Use technology to solve the system of equations. Express all solutions as decimals, rounded to one decimal place.

-0.2x + 0.3y + 0.4z - t = 4.6
2.2x + 1.1y - 4.7z + 2t = 7.9
9.2y - 1.3t = 1.7
3.4x + 0.5z - 3.4t = -0.

What are the solutions to the system of equations?

1 Answer

5 votes

Final answer:

To find the decimal solutions to the system of equations, enter them into a calculator or software that can handle systems of equations, solve using the built-in function, and round each solution to one decimal place.

Step-by-step explanation:

To solve the system of equations using technology, such as a graphing calculator or computer software (like MATLAB, Python, or specific online solvers), you would typically follow these steps:

  1. Enter each equation into the system. Make sure to respect the syntax required by the calculator or software.
  2. Use the appropriate function to find the solution for the system. This is usually a built-in solver for systems of equations.
  3. Once the solution is found, round each variable to one decimal place as requested.

For the given system of equations:

  • -0.2x + 0.3y + 0.4z - t = 4.6
  • 2.2x + 1.1y - 4.7z + 2t = 7.9
  • 9.2y - 1.3t = 1.7
  • 3.4x + 0.5z - 3.4t = 0

Enter them into the solver and round the solutions for x, y, z, and t to one decimal place. Unfortunately, without actual computational resources at hand in this medium, I cannot provide the exact numerical solutions.

User Cdosborn
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