FrostByte
FrostByte FrostByte
  • 02-10-2017
  • Mathematics
contestada

35 POINTS. I need help! Please!

35 POINTS I need help Please class=
35 POINTS I need help Please class=
35 POINTS I need help Please class=

Respuesta :

Аноним Аноним
  • 02-10-2017
there is no solution  for the first one

if you eliminate y   you get 2 equations
-13x - 13z = -25
-13x - 13x = -15    

- there is no solution to theses

a23  means the element in the second  row and the 3rd column

so its -5 
Answer Link

Otras preguntas

What can a drop of liquid mercury be described as? A) a pure substance and a compound B) an impure substance that is reactive C) an impure substance that is unr
In the late 1800s, the first state government reform legislation regarding railroad practices addressed a.) dangerous railroad conditions. b.) rebates given to
Sets off appositives
simplify 6(501) using the distributive property. 3012 3006 2988 3000
QUESTION 9 Which of the following is a reason some fear the spread of Western culture? Increased political unity among nations Greater understanding between na
Which of these is not a function of the present tense? a. to indicate a general truth b. to discuss your thoughts when writing c. to express something that y
Alan and Desmond have set up a law business in a high–priced office. Which type of business do they have?
How are dot plots, bar graphs, and histograms used to analyze data?
How did the silk road affect Europe and Asia
Van der waals forces are stronger than chemical bonds. true or false