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
enot [183]
3 years ago
11

Explain how to solve this system algebraically

Mathematics
2 answers:
gulaghasi [49]3 years ago
4 0

Answer:

take the -12 to behind the equal and replace with 0 then solve the polynomial

garik1379 [7]3 years ago
4 0
4x-2y=-12.....I
2x-y=-6.......II

2x+6=y......iii

From eqn I
4x-2(2x-y)=-12
or,4x-4x+2y=-12
or,2y=-12
Y=-6

In eqn iii
2x+6=-6(y=-6)
or,2x=-12
X=-6
You might be interested in
Of the last 60 people who went to the cash register at a department store, 13 had blond hair, 18 had black hair, 22 had brown ha
Taya2010 [7]
Yes. 18/60 = 9/30 = 3/10.
5 0
3 years ago
Jacob and his team plays third in this years Ultimate frisbee tournament the o official frisbee be used in the tournament had a
tankabanditka [31]
The circumference is 31.4
7 0
3 years ago
Read 2 more answers
The product of two numbers is −72. One of the factors is −9, what is the other factor?
frez [133]
The other factor is eight because 9 multiplied by eight is 72 and a negative times a positive is a negative
4 0
3 years ago
Read 2 more answers
MR is the angle bisector of
Otrada [13]

Answer:

∠NMP, so m∠1 = m∠2.

Step-by-step explanation:

6 0
3 years ago
Evaluate the integral by changing to polar coordinatesye^x dA, where R is in the first quadrant enclosed by the circle x^2+y^2=2
34kurt
\displaystyle\iint_Rye^x\,\mathrm dA=\int_{\theta=0}^{\theta=\pi/2}\int_{r=0}^{r=5}r^2\sin\theta e^{r\cos\theta}\,\mathrm dr\,\mathrm d\theta

which follows from the usual change of coordinates via

\begin{cases}\mathbf x(r,\theta)=r\cos\theta\\\mathbf y(r,\theta)=r\sin\theta\end{cases}

and Jacobian determinant

|\det J|=\left|\begin{vmatrix}\mathbf x_r&\mathbf x_\theta\\\mathbf y_r&\mathbf y_\theta\end{vmatrix}\right|=|r|

Swap the order, so that the integral is

\displaystyle\int_{r=0}^{r=5}\int_{\theta=0}^{\theta=\pi/2}r^2\sin\theta e^{r\cos\theta}\,\mathrm d\theta\,\mathrm dr

and now let \sigma=r\cos\theta, so that \mathrm d\sigma=-r\sin\theta. Now, you have

\displaystyle\int_{r=0}^{r=5}\int_{\sigma=0}^{\sigma=r}re^\sigma\,\mathrm d\sigma\,\mathrm dr=\int_{r=0}^{r=5}r(e^r-1)\,\mathrm dr=4e^5-\dfrac{23}2
7 0
3 years ago
Other questions:
  • PLEASE HELP GEOMETRY!!!<br><br><br> What is the value of k?
    11·1 answer
  • PLEASE HELP AM SO DESPERATE FOR HELP
    7·1 answer
  • LOOK AT CHART BEFORE THE BULLET PART:
    11·1 answer
  • Store A sells 11 bagels for 9.57 Store B sells bagels for 3.52. How do the unit rates compare?
    13·1 answer
  • A flagpole casts a shadow that is 85 feet long. Paul is 6 feet tall, and while standing next to the flagpole, casts a shadow tha
    7·1 answer
  • Change 37 1/2% to a fraction
    12·1 answer
  • Rachel is a lunchroom supervisor at West School. The children eat lunch at 15 long tables. When all tables are used, 240 childre
    15·2 answers
  • Which expression are equivalent to the given expression square root of 40
    6·1 answer
  • Hour how much does davon charge per hour for a skateboard rental HELPP I BEG
    12·1 answer
  • HELLP!! U WILL GET I,000 POINTS Alistair writes the system of equations below. 2x+3y=−60 2x+3y=120 -----------------------------
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!