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
Amanda [17]
3 years ago
5

Solve the system of equations for the variables: 5x+2y=13 x+2y=9

Mathematics
2 answers:
kolezko [41]3 years ago
6 0

Answer:

x = 1, y = 4

Step-by-step explanation:

5x+2y = 13

x+2y = 9

Subtracting both equations

=> 5x+2y-x-2y = 13-9

=> 4x = 4

=> x = 1

Now, Putting x = 1 in the first equation

=> 5(1)+2y = 13

=> 2y = 13-5

=> 2y = 8

=> y = 4

r-ruslan [8.4K]3 years ago
4 0

Answer:

x = 1

y = 4

Step-by-step explanation:

5x + 2y = 13

x + 2y = 9

Add both equations.

6x + 4y = 22

Solve for x.

6x = 22 - 4y

x = 22/6 - 4/6y

Put x as 22/6 - 4/6y in the second equation and solve for y.

22/6 - 4/6y + 2y = 9

-4/6y + 2y = 9 - 22/6

4/3y = 16/3

y = 16/3 × 3/4

y = 48/12

y = 4

Put y as 4 in the first equation and solve for x.

5x + 2(4) = 13

5x + 8 = 13

5x = 13 - 8

5x = 5

x = 5/5

x = 1

You might be interested in
Determine the domain for the graphed function:<br> Please help meeee
Rom4ik [11]

Answer:

D

Step-by-step explanation:

First, domain refers to the x axis. So you would find the lowest number on the X axis, -2, and then you look at the kind of dot on that number. It is an open dot, which means that it is all the numbers up to -2, but does not include -2. Then you find the highest number, in this case 2. Looking at the dot that is marking it, it is a closed dot, meaning it includes the number 2. So the domain would be numbers between -2 and 2, but does not include -2. all numbers greater than -2, x, all numbers less than and equal to 2.

7 0
3 years ago
A sandbox has a volume of 648 cubic feet. what is the volume, in cubic yards, of the sandbox?
Eduardwww [97]
We know that

1 cubic yards equals to--------------> 27 <span>cubic feet
then
</span><span>I apply a rule of three
if  </span>1 cubic yards ------------------- 27 ft³
  X----------------------------------> 648 ft³
X=648/27=24 cubic yards

the answer is 24 cubic yards
6 0
3 years ago
What is difference 6 1/4. And 5 1/2
Rama09 [41]
3/4 I believe since 6 1/4- 51/2 is 3/4
6 0
3 years ago
22 ft.<br> 5 ft.<br> 13 ft.\<br><br> i think you have to multiply im not sure
NemiM [27]
110 that's the answer I think
6 0
3 years ago
Read 2 more answers
I need help really badly please help me I’ll give brainiest
Mashutka [201]

Answer:

75%

Step-by-step explanation:

15+15+25+5=60

15/60=25%

100%-25% = 75%

4 0
2 years ago
Other questions:
  • 2 4/5 divided by 1 1/3
    12·2 answers
  • In which quadrant is the number –14 – 5i located on the complex plane?
    7·1 answer
  • The point (3,6) is represented on the graph. Which point also belongs on this graph? (36,72)(35,75)(70,30)(42,85)
    9·1 answer
  • Plz help me get the answer
    8·2 answers
  • Which expression is equivalent to n + n - 0.18n?
    8·2 answers
  • Based on the theoretical probability, how many times would you expect to pick a yellow skittle if you pick 150 times?
    14·2 answers
  • 8 1/2 + 7 2/3 + 4 1/2
    10·1 answer
  • A parallelogram has an area of 240 square inches and a height of 12 inches. What is the measurement of the base?
    5·1 answer
  • i’m so desperate for help i have so many missing assignments and i’m so stressed please just help me get this done
    9·1 answer
  • HELP HELP I HAVE 5 MINUTES HELP
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!