salinasalejandr salinasalejandr
  • 27-04-2019
  • Mathematics
contestada

I got 140 as my answer before but it said it was incorrect.

I got 140 as my answer before but it said it was incorrect class=

Respuesta :

jdoe0001 jdoe0001
  • 27-04-2019

[tex]\bf \begin{bmatrix} 11&-8\\-1&12 \end{bmatrix}\implies \stackrel{Determinant}{(11\cdot 12)-(-1\cdot -8)}\implies 132-(8)\implies 124[/tex]

recall, minus * minus = plus.

Answer Link

Otras preguntas

Which is true about active transport? a. It requires energy b. It does not require energy c. It moves substances down the concentration gradient d. It move
A meeting takes place between a diplomat and fifteen government officials. However, ten of the officials are actually spies. If the diplomat gives secret inform
Mias dog weighs 2 1/2 pounds of Alex's Dog Weighs 3 1/2 times much as Mia's Dog How much does Alex's weigh.
In triangle ABC, C is a right angle and angle A is 40 degrees. The length of AC=12. Solve the triangle to find the unknown measurements. Round to the nearest te
The distance between -4 and 9
Creating the Self Module Exam In "Still I Rise," how does Maya Angelou emphasize the speaker's determination to overcome adversity? - a rigid rhyme scheme - r
What are the similarities of the Old Kingdom and Middle Kingdom?
Irina has 3 hours to finish her final math exam. Keeping in mind that there are 60 minutes in 1 hour, about how much time does she have for each question if the
Emma has completed 70% of her summer reading list. She has read 14 books so far. How many books are there on her summer reading list? Explain
is this right or wrong