1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kkurt [141]
3 years ago
10

Use row operations to solve the system.

Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0

Answer:

x = 2, y = 7, z = 12

Step-by-step explanation:

x + y - z = -3 (1)

3x - y + z = 11 (2)

x - 4y + z = -14 (3)

add (1) and (2)

4x = 8 x = 2

add (1) and (3)

2x - 3y = -17

2(2) - 3y = -17

-3y = -17 - 4

-3y = -21

y = 7

Find z using any equation

x + y - z = -3

2 + 7 - z = -3

9 - z = -3

z = 12

You might be interested in
N circle C, r = 32 units. What is the area of circle C?
charle [14.2K]
The answer is:  " 1024π units² " ; or;  " 3215.36 units² " .
______________________________________________________
A = π * r²  ;

A = π * 32² = 1024 π units² ;

 or, using "3.14" for "π" ;

1024 * π = 1024 * (3.14) = 3215.36 units² .
_______________________________________________
8 0
3 years ago
For your job you need to track the amount of time you spend on each project and your tota
Zanzabum

Answer:

1hr25m+45m=2hr10min

125+45=170

D.) 170min

All you had to do was add both of the numbers together.

4 0
3 years ago
What is 19.3 rounded to the nearest whole number
Vesnalui [34]
19.......................................
6 0
3 years ago
Read 2 more answers
The length of the red line segment is 18, and the length of the blue line segment is 8. How long is the transverse axis?
BabaBlast [244]
Your answer is 10 :)
5 0
3 years ago
PLEASE ANSWER ILL GIVE YOU BRAINIEST
Otrada [13]

Answer:

5

Step-by-step explanation:

10/2 = 5

20/4 =5

30/6=5

40/8=5

4 0
2 years ago
Read 2 more answers
Other questions:
  • Segment A’B’ is the result of translating AB by 1 unit to the right and 3 units up
    12·1 answer
  • Question 10
    15·1 answer
  • A number cube is rolled 12 times and lands on 3 four times and on 5 three times. Find the experimental probability of landing on
    5·1 answer
  • Someone help with this<br> Given a1 = 25 and d = -2, what is the 8th term?
    12·1 answer
  • Nancy bought a mobile phone marked at 720$ at a discount of 20 percent and she had to pay 5 percent tax. If Nancy had to put 20
    15·1 answer
  • Find the degree of the term -5x to the power of 4
    15·1 answer
  • 5. Write 2/3 and 3/4 as equivalent fractions using a common denominator
    5·1 answer
  • 5-6 study guide and intervention graphing inequalities in two variables
    11·1 answer
  • The line passing through the points (-2,5) and (1,8)
    9·1 answer
  • Order 130 inches, 4 yards, 10 feet from greatest to least
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!