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
ehidna [41]
3 years ago
9

Use substitution or elimination to solve each system of equations y=3x X+y=4

Mathematics
2 answers:
Flauer [41]3 years ago
5 0

Answer:

(1, 3 )

Step-by-step explanation:

Given the 2 equations

y = 3x → (1)

x + y = 4 → (2)

Substitute y = 3x into (2)

x + 3x = 4, that is

4x = 4 ( divide both sides by 4 )

x = 1

Substitute x = 1 into (1) for corresponding value of y

y = 3 × 1 = 3

Solution is (1, 3 )

Sholpan [36]3 years ago
3 0

Answer:

x = 1 & y = 3

Step-by-step explanation:

y = 3x -----(1)

x + y = 4 -------(2)

sub(1)into(2)

x + 3x = 4

4x = 4

x = 1

sub x=1 into(1)

y = 3(1)

y = 3

You might be interested in
A plumber charges $55.00 for a service call plus $35.00 per hour. If the total bill was $160.00 . Select an equation , with x re
Vladimir [108]

Answer:

its C that's definitely correct

7 0
2 years ago
Read 2 more answers
It’s due in an hour please help
Sladkaya [172]
C.(-1,3) B.(0,2) A.(2,5) :)
7 0
2 years ago
A mutual fund has total assets of 2.4 million dollars and 300,000 shares. What is the net asset value of one share of the fund?
andre [41]
I believe the answer is c. $8. 00
3 0
3 years ago
Read 2 more answers
Edgar has birdbath that holds 2 gallons of water How many 1 pint containers does it take to fill birdbath? EXPLAIN
RSB [31]

Answer:

16

Step-by-step explanation:

1 gallon is equal to 8 pints.

2 gallons is equal to 16 pints.

6 0
2 years ago
HELP ME ASAP NO FILES OR WILL REPORT!!!<br> And help me BEFORE 3PM PLEASEEEE
Illusion [34]

Answer:

1) 18a^11

2) 7b^5

3) 16c^12

4) 3/2d^2

Step-by-step explanation:

i hope this helped

5 0
3 years ago
Other questions:
  • 132 packages of clay, 6 clay sticks in each package, 3 sticks go to each student. How many students are able make projects out c
    10·1 answer
  • Suppose that factory a produces 12 tables and 6 chairs an hour while factory b produces 8 tables and 4 chairs and hour. how many
    5·1 answer
  • What is the value of x?<br><br> Enter your answer in the box.<br><br> x =
    13·2 answers
  • Jana earns $25 per week for mowing the lawn and deposits the money into her savings account. The amount of money in Jana’s accou
    6·1 answer
  • One question please help a friend out thanks you guys :-)
    15·1 answer
  • Hey can anybody help me out with this question please
    10·2 answers
  • When two geometric figures (angles, rectangles, etc.) have the same size and shape, they are called ____.
    12·2 answers
  • a jar containing only nickels an dimes contains a total of 60 coins. The value of all the coins in the jar is $4.45. What is the
    15·1 answer
  • 1. Which inequality could describe the data set shown below ? { 200,300,400,500} x = 200 x &gt; 200
    7·1 answer
  • I need help pls! i’m kinda <br> s t u p i d! lol
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!