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

approximately how many people in the world speak spanish? 300 million people 13 million people 500 million people 200 million people
Which table of values corresponds to the graph below?
Which triangle on the coordinate grid is a translation of triangle F?
If you can get this right. I shall mark you the BRAINLIEST! And you must be RIGHT to gain it!
Why is the party in power more cohesive that the opposition party?
Late afternoon or early evening naps can increase your chances of getting a good night’s sleep. a. True b. False
Roberto decided to get rid of all his baseball cards, so he gave his four friends 32 baseball cards each. How many baseball cards did he have before he giving t
Help asap i really need help on this one
"Thanatopsis" strongly suggests that human beings are
1. What is the frequency in hertz of a photon that has a wavelength of 5.78 x 104 m? 2. Calculate the wavelength of a wave that has a frequency of 22.4 MHz. 3.