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
PilotLPTM [1.2K]
3 years ago
9

Solve using the elimination method: 3x + 2y +z = 14 6x + 2y + 6z = 38 x + 2y + z = 18

Mathematics
1 answer:
sveta [45]3 years ago
8 0

Answer:

x=-2, y=7, and z=6

Step-by-step explanation:

3x + 2y +z = 14

6x + 2y + 6z = 38

x + 2y + z = 18

Take the first and subtract the third.

2x = -4

x = -2

Now the equations become.

2y + z = 20 (both the first and third)

2y + 6z = 50

Subtract the first from the second.

5z=30

z=6

Substitute back.

2y + 6(6) = 50

2y = 14

y=7

You might be interested in
Help me with number three please
Alexxandr [17]
Y2-Y1/X2-X1 = 7-22/1-4 = -15/-3 = 5
y=5x+ 0
3 0
3 years ago
Read 2 more answers
A bag contains 4 white, 3 blue, and 3 red marbles. Find the probability of choosing a red marble, then a white marble if the mar
scZoUnD [109]

Answer: 2 / 15

Step-by-step explanation:

3 red / 10 total

4 white / 9 total

3/10 * 4/9 = 12/90 = 2/15

5 0
3 years ago
Two numbers have been added together, and their sum is 67. When subtracted, the difference is 11. What is the smaller number?
stealth61 [152]
28 is your answer

67-28 = 39

39-28 = 11

if this isn't correct plz leave a comment below before reporting

hope this helps

5 0
3 years ago
Please help!! <br>Find the number if intercepts of the graph of the function f(x)=x^2-2x+5​
hodyreva [135]

Answer: X does not intercept (none)                                                                                      

Y=(0,5)

Step-by-step explanation:

7 0
3 years ago
Find the hypotenuse of a right triangle with legs measuring 4 and 5ft
tangare [24]
The hypotenuse would be square root of 41
6 0
4 years ago
Read 2 more answers
Other questions:
  • Put the four numbers in oder from least to greatest -4, -8,2,0​
    14·2 answers
  • A company with 17 employees gives each employee a bonus of $457 how much does the company spends on bonuses
    14·1 answer
  • Whats the answer two -9=7-x
    9·2 answers
  • Sam bought a pair of shoes for 43.27 the store was having a 15% off sale and Tax is 9% how much did he pay?
    10·1 answer
  • Pleaseeeehelppppppppp
    11·1 answer
  • It costs $1.08 to buy 3 green marbles. If the marbles all have the same price, how much
    10·2 answers
  • In the diagram the sphere touches each face of the cube at one point-the center of each face. if each side of the cube is 7cm, w
    8·1 answer
  • Someone PLEASE help me answer G and if u want, B.
    11·1 answer
  • I Need Help! Please!
    10·1 answer
  • Can someone please show step by step to this problem? Find the area of the following figure.​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!