What is the use of gauss Jordan in real world situations?

Is a trapezoid perpendicular or parallel? A line segment from 0 0 to 0 4 forms one side of an equilateral triangle drawn in Quadrant I A Find the coordinates of the third vertex of the triangle B Find the slopes of the nonvertical line? What are two instruments that could be used to measure curved lines? What are the factors and prime factors of 515? What counting number is not a prime nor composite number? How do you write 6393203 in word form? What is the answer to 217 -184 in roman numerals? How many times in a day will the minute hand pass the number 2? Does a parallelogram have any sides that are perpendicular? What does 2013 look like in roman numerals? At 35 mph how many feet per second does a car travel? What numbers do you add together to get the nucleon number of an ion? What is 33 rounded to the nearest tenth? How do you write 39 tenth as a decimal? Can you make 25 cents with 18 coins us? Do you feel it would be to your benefit to use travel guard when traveling? What are four consecutive numbers that add up to 4? How many kilometres are there in 1.5 miles? How many sides does a emerald have? What is the largest possible remainder for a math problem with 2 for a divisor?