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
SVEN [57.7K]
3 years ago
13

3x + y = 8 X - 3y = 11

Mathematics
2 answers:
Natali [406]3 years ago
7 0

Answer:

3x+y=8.....*3=  3x+3y=24

                         x-3y=11

                       4x      =35

                         x= 35/4

Step-by-step explanation:

drek231 [11]3 years ago
5 0

Answer:

i solved it using simultaneous equation. I hope it helps

You might be interested in
A rectangular block has a length of 8 inches, a width of 3.5 inches, and a
scZoUnD [109]

Answer:

280

Step-by-step explanation:

Not entirely sure what 3 in means, but if we were to multiply the lenght*witdth*height we would get 56 since 8 x 3.5 x 2 =56, if we then multiplied one block by 5 we would get 280. this tower would have a height of 10 inches, a length of 8 inches, and a width of 3.5

6 0
3 years ago
Help me with this please
Mashcka [7]

Step-by-step explanation:

I'm sorry my dear what is this I wish I could help you from the bottom of my heart I love helping people but as you can see...

3 0
3 years ago
Pls help with 10a and 10b with work shown pls thank you guys
Tom [10]
10 a. the answer would be 7.2 c   13.6 - 6.4 = 7.2
                                                   

8 0
4 years ago
Sheirley spelled 12 of her 15 spelling words correctly on the test what percent grade did Shirley get?
dsp73

Answer:

80%

Step-by-step explanation:

6 0
3 years ago
How I do this?<br> 3x+4y=11<br> X-2y=-3
Amanda [17]

Answer:

\huge\boxed{x=1,\ y=2\to(1,\ 2)}

Step-by-step explanation:

\left\{\begin{array}{ccc}3x+4y=11\\x-2y=-3&\text{multiply both sides by (-3)}\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}3x+4y=11\\-3x+6y=9\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\ \ \ \ 10y=20\qquad\text{divide both sides by 10}\\.\qquad\qquad\boxed{y=2}\\\\\text{subtitute it to the second equation:}\\x-2(2)=-3\\x-4=-3\qquad\text{add 4 to both sides}\\\boxed{x=1}

5 0
3 years ago
Other questions:
  • 2. What is the formula for finding the horizontal distance between two points on a coordinate plane?
    12·1 answer
  • That is not the answer
    14·1 answer
  • You have to answer 2 questions for the exam. There are 7 essays to choose from. How many different groups of 2 essays could you
    6·1 answer
  • Marcia can make 5 candles in an hour. Kevin can make only 4 candles in an hour, but he already has 7 completed candles. Explain
    13·1 answer
  • 2x + 3y greater than or equal to 10
    6·1 answer
  • Look at the figure shown below:
    6·2 answers
  • What is the pattern for this numbers 0.2, 0.6, 1.14
    12·1 answer
  • Sin²t/tan^2t =Cos^2t
    15·1 answer
  • Which step is the first incorrect step in the solution shown below?
    11·1 answer
  • Answer is D for you who can’t read.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!