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
Virty [35]
3 years ago
14

Can someone explain how to do this please?

Mathematics
1 answer:
Jobisdone [24]3 years ago
4 0

\bf \begin{cases} \boxed{y}=-2x\\\\ -x-y=4 \end{cases} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{since we know what \boxed{y} is, let's substitute it in the 2nd equation}}{-x-\left( \boxed{-2x} \right)=4\implies -x+2x=4\implies x=4} \\\\[-0.35em] ~\dotfill\\\\ y=-2x\implies y=-2(4)\implies y=-8 \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill (4,-8)~\hfill

You might be interested in
James joins Club One which charges a monthly membershi[ of $ 19.99. How much will James spend in all, if he continues his member
maria [59]

Answer:

James will spend $119.94

Step-by-step explanation:

Multiply $19.99 by 6.

<em>$19.99 x 6 = $119.94</em>

8 0
2 years ago
Select the statement that describes this expression: fraction 1 over 2 x (734 − 246).
vodomira [7]

Answer:

244

Step-by-step explanation:

fraction fraction 1/2 the quotient of 734 and 246

3 0
3 years ago
Read 2 more answers
Type the correct answer in each box.
Harman [31]

Answer:

X=-1/2

Y=3/4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
The amount of money invested in a retirement fund is an example of which of the following?
babymother [125]

Answer:

the answer is A

okay that it have a nice day

4 0
2 years ago
14-y=0.6x in standard form with steps please
Contact [7]

Answer:

The answer is on the attachment.

7 0
3 years ago
Other questions:
  • Find the equation of the sphere for which the line segment pq connecting p(4,2,1) and q(5,-1,3) is the diameter
    6·1 answer
  • Find the output, k, when the input, t, is 3.<br><br> K=13t-2<br> K=
    12·1 answer
  • What is the coefficient of 15ab 1/3
    14·2 answers
  • Solve for x:<br><img src="https://tex.z-dn.net/?f=%28x%20%20-%205%29%5E%7B2%7D%20%20%3D%209" id="TexFormula1" title="(x - 5)^{2
    9·2 answers
  • What fraction has a value of more than 1?
    5·1 answer
  • Select all that apply. In a linear function: Δy = 0 Δx = 0 Δy = n Δx = n Δy = -n Δx = -n
    9·1 answer
  • Amelia went to the candy store and bought 5/6 of a pound of candy. If 1/2 of Amelia's candy
    6·2 answers
  • To find the quotient of two fractions, you first need to rewrite the division problem as an equivalent multiplication problem. F
    6·1 answer
  • if a rectangle is 8 in long and 6 in wide how many one square inch tikes are needed to cover its area
    9·1 answer
  • Use for questions 21-24: Out of 50 students, 24 are taking art and 30 are taking music. Sixteen of the
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!