bandzlvr
bandzlvr bandzlvr
  • 02-01-2019
  • Mathematics
contestada

Can someone answer this fast?

The determinant of matrix A is shown below.

Can someone answer this fastThe determinant of matrix A is shown below class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 02-01-2019

Replace x and y with the given values, solve the 4 equations in Matrix B:

4(3)+2 = 12+2 = 14

8(1) = 8

7-2(3) = 7-6 = 1

-7(1) +8 = -7+8 = 1


Now using the letter locations from Matrix A solve ad-bc:

14*1 - 8*1 = 14 - 8 = 6


The answer is 6

Answer Link

Otras preguntas

PLEASE HELP!!!!!!!! Use the drop-down menus to identify the experimental group with additional nutrients and the control group without additional nutrients. The
HELP ASAP!!! WILL GIVE BRAINLIEST!!!!!!!!!
PLSSS HELPP I BEGG What is the solution to the system of linear equations graphed below?​
WHO is negatively impacted by urban sprawl ?
If you don't mail your census or do it online, how does the census bureau count you (what does it do to accomplish this)?
Which of the following choices is a figure of speech? A) an idiom B) a euphemism C) an oxymoron D) all of the choices are correct
will mark brainliest and rate 5/5
Seven clowns hold 4 balloons each at the fair. Draw and label a tape diagram to show the total number of balloons the clowns hold.
An empty steel container is filled with 2.0 atm of Hâ‚‚ and 1.0 atm of Fâ‚‚. The system is allowed to reach equilibrium according to the reaction below. If Kp = 0.4
BRAINLIEST if right!! please help me w this!!