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

What is the simple interest paid to the nearest cent for each principal, interest rate, and time? $300, %, 1 year
If super political action committees (PACs) cannot donate directly to political campaigns, how do they best support the campaigns?
Randall had $75 in his bank account. He made 3 withdrawals of $18 each. Answer True or False for each statement ____ The change in Randall's balance is -$54. _
What is 0.15% converted to a decimal?
the ratio of girls to total students is 5 to 8 if there are 24 total students how many are boys
evaluate |10| + |-12|
How many cups of sorbet are used in 8 cups of punch. Ginger ale= 40%. Orange juice=25%. Pineapple=20%. Sorbet=15%
Should students be able to use their phones during class
The first term of a geometric sequence is 15 and the second term is 6. Find the fourth term.
ANTIGONE: Without lament, without a friend, and with no marriage song, I’m being led in this miserable state, along my final road. Which mood is created in