ar865970 ar865970

10-06-2019
Mathematics

contestada

The following system has a solution of x=-5, y=9, z=11.
4x+y+z=12
-4x-y-z=-10
5y-z=9
Please select the best answer from the choices provided
T
F

Respuesta :

steph9155 steph9155

10-06-2019

False - plug in the bramble for the first equation and you get 40 = 12 which is not true

Answer Link

Otras preguntas

What is the interquartile range of this data? A.6 B.7 C.8 D.9

Adriana's water bottle contains 2 quarts of water she wants to add a drink to mix into it but the directions for the treatments gives a amount of water fluid ou

April wants to know what the probability is that a card drawn randomly from a deck will be a heart. Her sample space includes all 52 cards in a standard deck. W

Kaley has a big presentation at work. afterward, her boss tells her she did a terrible job and fires her immediately. given what you know about the self-serving

India can paint 3 ½ walls in one day. How many walls can she paint in 5 ½ days?

why is data organization important

A number cube is rolled 350 times and these are the results: 60 ones, 65 twos, 54 threes, 63 fours, 62 fives, and 46 sixes. What is the experimental probability

Which of the following words is probably NOT a member of the pac- word family? Question 7 options: pacify pack pacifier pacifist

Construct a concept map that shows how a population of bacteria can develop resistance to antibiotics.

"states that motivation depends not only on how much a person wants something but also on the person's perception of how likely he or she is to get it"