isabella244 isabella244
  • 01-04-2019
  • Mathematics
contestada

Can someone pls help me out

Can someone pls help me out class=

Respuesta :

scribblesgalaxy
scribblesgalaxy scribblesgalaxy
  • 01-04-2019

Answer:

i think its .b.   sorry if im wrong

Step-by-step explanation:

Answer Link
wolf1728
wolf1728 wolf1728
  • 01-04-2019

Answer:

A) 5x -4y =1

B) 4x -2y = 8

Using Cramer's Rule of detrminants

a = 5 b = -4  e=1

c = 4 d = -2  f = 8

denominator = 5 * -2 -(4 *-4) = 6

x = 1 * -2 [-(8 *-4)] / denom = 30 / 6 = 5

y = 5 * 8 -(4 * 1) / denom = 36 / 6 = 6

Step-by-step explanation:

Answer Link

Otras preguntas

is getting parol a constutuinal right
6r+7=13+7r help me asap
Help with this I need help
At the end of july, the average yields on 10 top-rated corporate bonds and 10 intermediate-grade bonds were 7.65% and 8.42%, respectively. at the end of august,
Who was the first redheaded president of the united states?
What was the Damascus protocol
Arrange the events that led to the September 11 attacks in the correct sequence. Osama bin Laden’s organization of mujahideen fighters rise of the Taliban in Af
Which phrases describe the prime meridian? Check all that apply.
Why does Cap'n Tommy agree to the contest between John Henry and the steam engine? He thinks that the steam engine will work much faster than John Henry. John H
Write an equation of the line that is parallel to 2x + 4y = 6 and passes through the point (6, 4). A) y = 2x + 4 B) y = 2x - 8 C) y = -2x + 16 D) y = -1/2 +