mady517 mady517

17-01-2019
Mathematics

contestada

Find the determinant of the given matrix.
[5 4][8 -2] =
A.-42
B.-22
C.22
D.42

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

25-01-2019

Answer:

A = -42

Step-by-step explanation:

The determinant is

a11 *a22 - a12 *a21

5*-2 - 4*8

-10 -32

-42

Answer Link

Otras preguntas

if the line goes through (2,8) but the slope is undefined what is the equation?

What is a reasonable constraint for the model -3.2 2.62 -3.2 0

How does carbon become locked inside the earth? A) tree roots expel carbon into the soil as they grow B) humans use machines to pump carbon into large undergrou

Compared with infants who are insecurely attached, securely attached 12-month-olds exhibit more enjoyment, are less fussy or difficult, and are better able to u

Gallo Light began operations in 2021. The company sometimes sells used warehouses on an installment basis. In those cases, Gallo Light reports income in its inc

can someone help me?

Alexi surveys a random sample of 100 students at his school and finds that 50 of them usually walk to school. There are 2,000 students at the school. Is it re

Find the circumference of a circle that has a diameter 56m

A. salt B. gold C. steel D. clothing Please select the best answer from the choices provided A B C D

what is the area of the shaded region in square millimeters?