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

A car that travels from point A to point B in four hours, and then from point B back to point A in six hours. The road between point A and point B is perfectly
What challenges did the californios face?
1,352 pounds is what fraction short of a ton? A) 169/250             B) 77/100               C)13/20             D140/223
solve for x: 2x^2+4x-16+=0
I need a Amazon tribe name please! Need for Monday
7x+3y=22 4y=20 I need to know how to write this equation out with the answer
Which of the following is equivalent to 3a + 4b – (–6a – 3b) ? A. 16ab B. –3a + b C. –3a + 7b D. 9a + b E. 9a + 7b
after clicking the start button on your computer screen desktop what option would you then select to examine system components you might want to modify?
What organs work with skin?
name the four southwestern states where many Mexicans lived originally or settled