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
Mariana [72]
4 years ago
11

Use the elimination method to solve the system of equations. Choose the

Mathematics
1 answer:
Ray Of Light [21]4 years ago
8 0

Answer:

<h2>x = 5, y = -4 → (5, -4)</h2>

Step-by-step explanation:

\underline{+\left\{\begin{array}{ccc}5x+3y=13\\-5x-12y=23\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-9y=36\qquad\text{divide both sides by (-9)}\\.\qquad y=-4\\\\\text{put the value of y to the first equation:}\\\\5x+3(-4)=13\\5x-12=13\qquad\text{add 12 to both sides}\\5x=25\qquad\text{divide both sides by 5}\\x=5

You might be interested in
Find the same mother
s2008m [1.1K]
Well all you have to do is find the common denominator then use it to subtract
7 0
3 years ago
What is halfway between 400,000 and 500,000?
goldenfox [79]

Answer:

450,000

This is because 400,000 and 500,000 have no other numbers that could be the middle, so it has to be directly in-between both numbers.

__________________________________________________________

Questions related to this topic? Please ask me in the <em>comments</em> box.

4 0
2 years ago
Read 2 more answers
Find the total surface area of the rectangular prism plz​
Ivanshal [37]
When you find area it is bxh for a rectangle so we have (4x3)x2 + 4x(7x3)=108
8 0
3 years ago
Read 2 more answers
What is a membrane? because I don't know.
Finger [1]

Answer:

Wrong division to post a question of this kind, BUT a membrane is a a thin sheet of tissue or layer of cells acting as a boundary, lining, or partition in an organism,... yes I looked it up,...

Chow,...!

5 0
3 years ago
Please help me on this. you will get 100 points!!!!!!!!!!!!!!!!!!!!!!
Fed [463]

Circle One:

No

Explain:

The chart shows that teenagers get roughly between 7 - 8 and 1/2 hours of sleep every night. It shows that no teenagers get 9 and 9 and 1/2 hours of sleep. This is why their data does not support the delay to starting time.

7 0
3 years ago
Other questions:
  • Please solve no. 8 if you can all but at lesat no. 8​
    9·1 answer
  • How will you write 7^5 as a multiplication expression?
    6·1 answer
  • Which fraction do you multiply by to simplify 5/ 4 - 3i ?
    5·1 answer
  • A basket ball that has a diameter of 20cm is placed in a box so that it touches all inner sides of a box. What is the volume NOT
    5·1 answer
  • Courtney had 15 hits in 60 at bats. Katie's average was .300 and she had 12 hits. Sara got a hit 32.5% of the time and she knows
    5·1 answer
  • Solve this equation for f.<br> 11.75 + f = 6.38
    10·2 answers
  • Solve this multiplication problem. Show your work 72 x 139
    15·1 answer
  • Find common 1/2 + 4/10 =
    12·2 answers
  • What is the common rule for simplifying a negative exponent with a coefficient?<br> Ex: 3^-1
    5·2 answers
  • What is the answer? I need help
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!