rileysalazar27 rileysalazar27
  • 13-02-2021
  • Mathematics
contestada

Question 2 of 10
Use the matrix tool to solve the system of equations. Choose the correct
ordered pair.
4x + 5y = 2
5x - 3y = 21

Respuesta :

lynnkc2000 lynnkc2000
  • 13-02-2021

Answer:

(3 , -2)

Step-by-step explanation:

4   5   2                        5  -3   21                      1  -8   19  -> * -4

5  -3    21  -> switch     4   5   2   -> * -1   ->      4   5   2              ->

1    -8    19                  -> 1     0     3                          1     0     3

0  37   -74   -> *8/37      0  37   -74   -> * 1/37   ->   0    1     -2

Ver imagen lynnkc2000
Answer Link

Otras preguntas

Why was the 8th Amendment written?
Approximate: log 1/2 5
If x= -5+6i and y= 3-2x, then which of the following is the value of the expression 4x-y
How can mold go into a plastic bag of bread ?
A. The five types of mountain biking are cross country, dirt jumping, downhill, freeride, and trails. B. Mountain biking can be a dangerous sport. 1. Bikers
A ball is thrown vertically upward from the top of a building 96 feet tall with an initial velocity of 80 feet per second. The distance, s (in feet), of the bal
what is the tripple point on a phase diagram?
Please help me out! :) !!!!!!
A construction worker has a rope that is 6 m long. She needs to cut it into pieces that are each 3/7 m long. How many such pieces can she cut without having any
Someone please explain to me why these aren’t congruent.