brookjoaa750 brookjoaa750
  • 12-09-2019
  • Mathematics
contestada

The following system has no solution.
x+y+z= 15
2x+z = 1
27-z=7
true or false

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 16-09-2019

Answer:

False

Step-by-step explanation:

Let us start with the most obvious one:

27 - z = 7

-27 - 27

_________

-z = -20

z = 20 [Plug this back into the other two equations to get the y-coordinate and x-coordinate of 4½ and -9½]; 4½ = y; -9½ = x

So, the solution is [-9½, 4½, 20].

I am joyous to assist you anytime.

Answer Link

Otras preguntas

What percent of Mexico populationlives below the asset-based poverty line?
name the different parts of small intestine in proper sequence
Supposed you list the factors of a perfect square why is one factor a square root and not the other factors ?
Is green light most or least useful in photosynthesis? Why?
why food coming from stomach is to be made alkaline?
Using numbers 1 3 5 7 9 11 13 17 19 in 5 steps sum should be 30.We can repeat numbers.
name the different parts of small intestine in proper sequence
A 76.5 kg cross-country skier skiing on unwaxed skis along dry snow at a constant speed of 4.00 m/s experiences a force of friction of -60.0 N.  What is the coe
Translate the word phrase into a math expression.  nine more than five times a number                                           A. 9 > 5n B.
Who was the first American to to contribute to the industrial revolution?