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
marta [7]
2 years ago
11

Use addition to solve the linear system of equations. Include all of your work in your final answer.

Mathematics
1 answer:
love history [14]2 years ago
4 0
We have that
<span>x - y = 4-------> multiply by -1-----> -x+y=-4-----> equation 1
x+ 2y = 4------> equation 2

add equation 1 and equation 2
-x+y=-4
x+2y=4
-----------------
0+3y=0-----> y=0
x+2y=4------> x+0=4------>x=4

the solution is the point (4,0)</span>
You might be interested in
WILL MARK BRAINLYIST IF RIGHT!!I don’t know how to do this
Agata [3.3K]

Answer:

i would just round 0.50 to the nearest tenth

Step-by-step explanation:

5 0
2 years ago
The expression 9n + 3 represents the perimeter (in meters) of the triangle. Write an expression in the simplest form that repres
AlexFokin [52]

Answer:

4n+2

Step-by-step explanation:

  1. add all sides =9n+3
  2. 3n+2+2n-1=9n+3
  3. add liketerms 5n+1=9n+3
  4. put liketerms together 9n-5n+3-1
  5. ans hence is 4n+2
5 0
3 years ago
The best answer gets brainliest
faltersainse [42]

Answer:

ok?

Step-by-step explanation:

Sure friend what do you need help with? I will help you

7 0
2 years ago
Read 2 more answers
An electrician charged a fee of $45 plus $60 per hour to come to Ed's house and make a repair. How many hours did the repair tak
viva [34]

Answer:

1 hour and 15 minutes

Step-by-step explanation:

$120 - $45 = $75

$75 ÷ $60 = 1.25 hours or and 1 hour and 15 minutes

5 0
3 years ago
Samuel ran 8 miles on Monday, 4.25 miles on Tuesday, and 3.3 miles on
Vaselesa [24]

Answer: 15.55 miles

Step-by-step explanation:

in 3 days, Samuel ran 8+4.25+3.3=15.55 miles

8 0
3 years ago
Read 2 more answers
Other questions:
  • Fishing hook E is at -7.1 feet it descends another 3.25 feet what it’s depth now
    8·1 answer
  • Solve the equation. Check your solution.
    12·1 answer
  • Whats the sum of 7/2/5 yards and 3/5 yards
    11·1 answer
  • I’ve Tried solving this and i just can’t get it , 64 = 4 + 12g
    11·1 answer
  • What is the volume of a cone (in cubic inches) of radius 5 inches and height 3
    9·1 answer
  • The data given to the right includes data from 30 ​candies, and 5 of them are red. The company that makes the candy claims that
    12·1 answer
  • Graph the integers and their opposites.<br><br> -2
    5·2 answers
  • Pls help meeee and if y’all want give me yalls snap or sum cus I need more help
    7·2 answers
  • a house and lot cost $120,000. if the house cost 3 times more than the lot, how much did the house cost?
    6·1 answer
  • Find the equation of a line that goes through the point ( 1,- 6 ) and is perpendicular to the line: y = (1 / 8)x - 9
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!