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
makvit [3.9K]
2 years ago
14

Any chance someone can explain this ?

Mathematics
1 answer:
Harrizon [31]2 years ago
6 0

Answer:

(-9, 5)

Step-by-step explanation:

there are 2 variable: x and y

eliminate one of the variables for example y

 -x - y = 4

-2x - y = 13  multiply  this equation by (-1)

-x - y = 4

2x + y = -13

add both equations

2x-x-y+y = 4-13

x = -9

substitute x = -9 in the first equation

-(-9)-y = 4

9 - y = 4  subtract 9 from both sides

-y = 4 - 9

-y = -5 multiply by (-1)

y = 5

You might be interested in
write and solve an equation to show thw average number of calendars her 3rd period class sold peer week during the four week cha
kari74 [83]
If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):
x =  \frac{89}{4}

If you solve it, you get:
22 \frac{1}{4}

Which is equal to 22.25. Hope this helps!
5 0
3 years ago
The quotient of two numbers is -12. One of the numbers is −3. What is the other number?
umka21 [38]
The answer is -4 because -4 times -3 equals -12
6 0
3 years ago
Read 2 more answers
Multiple choice question please answer it for me
timofeeve [1]
The answer is the second choice, or B; 240 ft^2.

You have to find the area of all four triangles and just add those all together. 

Two of the triangles have an area of 
5*16=80
Multiply that by two
80*2=160

The other two smaller triangles have an area of 
8*5=40
Multiply that by 2 also
40*2=80

Add 160+80 and the answer is 240.
6 0
3 years ago
Write the number 31 in tens and ones. 2 tens ? Ones
7nadin3 [17]
Tens = 3
ones = 1

maybe
3 0
3 years ago
Read 2 more answers
Annie draws a card from a deck of card, replaced it. She drives a second card.
cluponka [151]
What bout the rest of the cards
8 0
3 years ago
Other questions:
  • The slope of the equation in the picture
    13·1 answer
  • A manufacturing company produces valves in various sizes and shapes. One particular valve plate is supposed to have a tensile st
    15·1 answer
  • 21/24 reduced fraction
    15·2 answers
  • PLEASE HELP WILL MARK BRAINEIST
    8·2 answers
  • Each student in a pottery class is responsible for cleaning the area around his or her workspace at the end of the lesson. Each
    10·1 answer
  • What is the distance between the points A(-3,5) and B(8,-4)
    10·1 answer
  • Write the equation for the line that passes through the point (-3, 5) and is perpendicular to the x axis
    7·1 answer
  • Plzzzzzzzzz help meeeeeeeeee
    12·2 answers
  • An adult rhino weighed 4,000 pounds. How
    6·2 answers
  • Solve for x. 10 + 5x +4 = -2x + x + 2
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!