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

Gut Bombs sandwich shop pays $5,000 a month in rent space and equipment. It pays each of it 10 workers $2,500 a month and spends $5,000 on food. There are no ot
what happened to the battle of marathon ?
The options are los las la el
y varies directly as the square of x and inversely as z. If y = 12 when x = 2 and z = 7, find y when x = 4 and z = 4.
1. B 7x - 2 4x 5x – 10 А
Which number is a reasonable estimate for the sum of the equation 1,956 + 1,183 = ________?
Need translation for latin "tenuimus". Hello all! I've looked just about everywhere and through all of my course material to translate this word "tenuimus". Jus
Please help meee BRAINLY POINTS 5 STARS
write the point-slope form of an equation for a line that passes through the point with the given slope (-2, 2), m= 2
In which phase of the cell cycle is the DNA loose and not chromosomes?​