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
nadezda [96]
4 years ago
6

Match the systems of equations to their solutions. Tiles 2x + y = 12 x = 9 − 2y x + 2y = 9 2x + 4y = 20 x + 3y = 16 2x − y = 11

y = 11 − 2x 4x − 3y = -13 y = 10 + x -3x + 3y = 30 2x + y = 11 x − 2y = -7 Pairs x = 2, y = 7 arrowBoth x = 5, y = 2 arrowBoth x = 3, y = 5 arrowBoth x = 7, y = 3 arrowBoth

Mathematics
1 answer:
AlexFokin [52]4 years ago
4 1
We have 
1) <span>systems of equations 1
</span><span>2x + y = 12
x = 9 − 2y
</span>using a graph tool
see the attached figure
the solution is the point ------------> (5,2)

2) systems of equations 2
x + 2y = 9 
<span>2x + 4y = 20
</span>using a graph tool
see the attached figure
the solution is the point -------> has no solution the two lines are parallel

3) systems of equations 3
<span>x + 3y = 16
2x − y = 11
</span>using a graph tool
see the attached figure
the solution is the point ------------> (7,3)

4) systems of equations 4
<span>y = 11 − 2x
4x − 3y = -13
</span>using a graph tool
see the attached figure
the solution is the point ------------> (2,7)

5) systems of equations 5
y = 10 + x -----------> multiplying by 3-----> 3y=30+3x------> -3x + 3y = 30
<span>-3x + 3y = 30
</span>equation 1 and equation 2 are equals--------> the system has no solution 

6) systems of equations 6
<span>2x + y = 11
x − 2y = -7
</span>using a graph tool
see the attached figure
the solution is the point ------------> (3,5)

You might be interested in
What is the constant rate of change of the table below? Please help
Len [333]

Answer:

4 m/s

Step-by-step explanation:

Well the constant rate of change can be defined as the slope or rise/run. This can be calculated using any two points. So I'll use (10, 40) and (20, 80). the seconds increased by 10 (run) and the meters increased by 40 (rise) This gives you the equation 40/10 which simplifies to 4. That is the constant rate of change

5 0
2 years ago
What is the length of a rectangle with an area of (4
Luda [366]

I think 54 is the answer of this puestion

5 0
2 years ago
What is the formula to calculate the perimeter of the circle​
Lapatulllka [165]

Answer:

2πr

Step-by-step explanation:

when we use this formula it will come ans

please i think it is right

please follow me ok

4 0
3 years ago
Read 2 more answers
7.8 * 10^5 hours in a day
Burka [1]

7.8 * 10^5=since the exponent is positive 5. Then the 7.8 you move the decimal 5 places to the right to be   780000

8 0
3 years ago
Help!!!!! please!!!!!
Marysya12 [62]

Answer: D) 85

Step-by-step explanation:

The area of a rectangular prism is length * width * height(5*3.4*5)

5 * 3.4 * 5 = 85

3 0
3 years ago
Other questions:
  • Which is a quantitative variable? A) brand of pancake mix B) flavor of pancakes, such as chocolate chip C) servings per box of p
    9·2 answers
  • When can an economy achieve price stability? An economy can achieve price stability when there is a _____ and stable inflation r
    9·2 answers
  • Simplify 10 to the power of 0
    9·2 answers
  • Need help asap please! Will give brainliest!!<br> Graph ​ x≥2 ​.
    9·2 answers
  • Use long division to convert −21/60 to a decimal.
    7·1 answer
  • Pls i need help
    9·2 answers
  • PLS answer i have 9 minutes!
    12·2 answers
  • Find the value of x. Round the length to the nearest tenth
    6·1 answer
  • Verizon wireless charges $85 for a 5 person plan and $65 for a 3 person plan.
    11·1 answer
  • The points (3, 10) and (0, 3) fall on a particular line. What is its equation in slope- intercept form? ) Write your answer usin
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!