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
ElenaW [278]
1 year ago
10

Sistema de ecuaciones.5x+2y=-152x-2y=-6

Mathematics
1 answer:
Zolol [24]1 year ago
7 0

Tnemos el sisema de ecuaciones:

\begin{gathered} 5x+2y=-15 \\ 2x-2y=-6 \end{gathered}

Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:

\begin{gathered} (5x+2y)+(2x-2y)=(-15)+(-6) \\ 7x+0y=-21 \\ x=-\frac{21}{7} \\ x=-3 \end{gathered}

Ahora podemos resolver para y con cualquiera de las dos ecuaciones:

\begin{gathered} 2x-2y=-6 \\ 2\cdot(-3)-2y=-6 \\ -6-2y=-6 \\ -2y=-6+6 \\ -2y=0 \\ y=0 \end{gathered}

Respuesta: x=-3, y=0

You might be interested in
What is the location of the point on the number line that is 2/7 of the way from A=18 to B=4?
olchik [2.2K]

Answer:

I believe that it would be 14

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write a quadratic function whose graph has a vertex of (3,2) and passes through the point (4,7). f(x)=
agasfer [191]

Answer:

y=5(x-3)^2+2

Step-by-step explanation:

You plug the point into f(x)=a(x-3)^2+2... that already has already been solved for the vertex that you want. Then you swap it out for the solution you have solved for.

7 0
3 years ago
What is the resulting ordered pair if the value of the independent variable is 2?
quester [9]
To find f(2), put 2 where the variable is, then do the arithmetic. It might be easier to factor out x^2:
  f(x) = (-6x-4)·x^2
  f(2) = (-6·2-4)·2^2
  = -16·4
  = -64

Then the ordered pair (x, f(x)) for x=2 is
  B. (2, -64)
5 0
3 years ago
PLZ HELP ill GIVE BRAINIESt!!!!
Debora [2.8K]
I am repeating again the solution, although I don't think there was a mistake:

0.36 (with the bar over 36) means the number under the is repeating itself, we call it a recurring decimal.

So 36 ,with a bar over 36 means: 0.3636363636....

To write any recurring decimal in a fraction, you have to multiply & divide at the same, the number with 100 , if you choose 0.36 or with 10,000 if you choose  0.3636 or with 1,000,000 if you choose 0.363636 (note that the number of Zeros equal the number of chosen decimals.

In our example let's take 0.3636 , then we multiply it by 10,000 & divide it by same: (0.3636 x 10,000) = 3636/10,000 =1,818/5,000 = 909/2500 =0.3636
If you opt to render 0.363636 into a fraction, then you have to multiple the latter number & divide it by 1,000,000
6 0
3 years ago
Help, please; and hurry
alina1380 [7]

Answer:

y=500x+100

Step-by-step explanation:

y=mx+b is slope-intercept form where m is the slope and b is the y-intercept.

Fara has to pay $100 to set the tent up, so b is 100.

Fara has to pay $500 per hour, so m is 500.

So, the equation is y=500x+100

6 0
3 years ago
Other questions:
  • The equation y = x + 1 defines the relationship between x and y, where x is the input and y is the output. Which statements abou
    9·2 answers
  • Please explain how you got answer
    15·1 answer
  • 1 5/3 divided by 16 3/2 <br> This is radicals and rational exponents
    7·1 answer
  • Solve the following system of equations:3x − 2y = 66x − 4y = 12
    14·1 answer
  • HELP PLEASE!!!!!!!!!!!!!!! I GIVE BRAINLIAST &lt;3)))
    10·1 answer
  • Need help with these two questions
    12·1 answer
  • 2x+y=3<br>x-y= 1<br><br>solve the equation ​
    6·2 answers
  • 4/25? orrrrrrrrrrrrrrrrrrrrrrrr?
    12·2 answers
  • 7 es un número natural?​
    5·1 answer
  • Which of the following is the best graph of the point below
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!