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
mina [271]
3 years ago
5

4x+2y=20 and 3x-y=10 Which coordinate solves both equations.

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
7 0

4x + 2y = 20

3x - y = 10

Multiplying second equation by 2.

6x - 2y = 20

Adding to the first,

10x = 40

x = 4

y = 3x - 10 = 3(4) - 10 = 2

Answer: (4, 2)

Check:

4(4) + 2(2) = 16+4 = 20, good

3(4) - 2 = 12 - 2 = 10, good

You might be interested in
Quick HELP Please! I will give BRAINLIEST !!!<br><br> I’m So confused
drek231 [11]
For a your meant to draw a graph (I don’t know what graph) and for b use the domain to figure out the minimum and maximum range values
6 0
4 years ago
NEED HELP FAST!!! 3(14+34) Show your work
zlopas [31]
First add what is in the parenthesis. Which would be 14+34=48
Then multiply that by 3. 3 x 48=144
8 0
3 years ago
Read 2 more answers
marisol is finding the slope of the line containing the points (3,7) and (5,10). Find her mistake and correct it.
Alexxx [7]
The y-value must be the numerator.  

The correct way of solving this would be (7-10)/(3-5)=3/2 
6 0
3 years ago
PLEASE TELL ME PLEASE
damaskus [11]

Answer: D!! also 35% are spotted

6 0
3 years ago
Read 2 more answers
2x+y=5 14x+7y=35 how many solutions does this system have?
Tju [1.3M]

Answer:

2x+y=5;14x-7y=35

{x,y} = {5/2,0}

System of Linear Equations entered :

[1] 2x + y = 5

[2] 14x - 7y = 35

Steps:

// Solve equation [1] for the variable y

[1] y = -2x + 5

// Plug this in for variable y in equation [2]

[2] 14x - 7•(-2x+5) = 35

[2] 28x = 70

// Solve equation [2] for the variable x

[2] 28x = 70

[2] x = 5/2

// By now we know this much :

x = 5/2

y = -2x+5

// Use the x value to solve for y

y = -2(5/2)+5 = 0

Solution :

{x,y} = {5/2,0}

6 0
3 years ago
Read 2 more answers
Other questions:
  • Suppose I claim that the average monthly income of all students at college is at least $2000. Express H0 and H1 using mathematic
    13·1 answer
  • There are a different number of bicycles, tandem bicycles, and tricycles in a shop. There a total of 135 seats, 118 front handle
    10·2 answers
  • How to write the quadratic function: y= 3x^2-12x+19 in vertex form
    12·1 answer
  • I need help right now.
    13·1 answer
  • Plea someone help me in this
    10·1 answer
  • Ms. Cassidy plotted the point (2, 3) on Miguel’s graph of y &lt; 2x – 4. She instructed him to change one number or one symbol i
    12·2 answers
  • Please HELP correct answers only pls
    15·2 answers
  • Solve for x in the triangle. round your answer to the nearest tenth
    7·1 answer
  • Natalie and Phil ran for 6th grade class president. The ratio of votes for Natalie to votes for Phil was 4:3.
    6·1 answer
  • It was
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!