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

if someone is a navist who is he or she against, Americans only american indians only eastern Europeans new immigrants
Who served in the French and Indian war and later became general in the revolution
What type of figurative language is observed in the following sentence? “So now Della’s beautiful hair dell about her rippling and shining like a cascade of bro
cells grow in order for to grow and represents
Is St. Louis Cathedral post-modern or classical ?
What caused the color of the trees to changes?
Five examples of genetic factors
What goes in the empty boxes?
René is twice as old as Jim In four years the sum of their ages is 60 how old are they now
A construction crew has just building a road. The road is 8 2/5 kilometers long. If the crew is worked for 6 days, how many kilometers of road did they build ea