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
aev [14]
3 years ago
5

Use the method of ELIMINATION to solve the system. You must SHOW ALL WORK. Make sure you have an answer for both x and y.

Mathematics
2 answers:
jekas [21]3 years ago
6 0

Answer:

<h3>Required <u>Answer</u><u>:</u><u>-</u></h3>

\sf 4x+8y=10\dots\dots (1)

\sf -4x+2y=-30\dots\dots (2)

  • by adding eq (1) and eq (2) we get

{:}\longrightarrow\sf 4x+8y=20

{:}\longrightarrow\sf -4x+2y=-30

<h2>__________________________</h2>

{:}\longrightarrow\sf 10y=-10

{:}\longrightarrow\sf y={\dfrac {-10}{10}}

{:}\longrightarrow{\underline{\boxed{\bf y=-1}}}

  • Substitute the value in eq (2)

{:}\longrightarrow\sf -4x+2 (-1)=-30

{:}\longrightarrow\sf -4x-2=-30

{:}\longrightarrow\sf -4x=-30+2

{:}\longrightarrow\sf -4x=-28

{:}\longrightarrow\sf x={\dfrac {-28}{-4}}

{:}\longrightarrow{\underline{\boxed{\bf x=7}}}

\therefore{\underline{\boxed{\bf (x,y)=(7,-1)}}}

Reptile [31]3 years ago
6 0
(7,-1) will be you’re answer
You might be interested in
Place the two large triangles around the square to form a triangle, a parallelogram ,and a trapezoid .Please answer it step by s
lutik1710 [3]

Answer:

Step-by-step explanation:

Download docx
4 0
3 years ago
Can someone help me
kakasveta [241]

Answer:

a. 2*-2*3=-12

b. -2*3*5 = -30

c. (-2)^2+2*5= 14

d. 2*-2+3*3-5*5= -20

e. -2(3-5) = 4

f. 3*5-(-2)*5+(-2)*3 = 19

if it helped then plz mark me as brainliest

8 0
2 years ago
Who lives in FL i do
Ann [662]
I live in Florida as well. FL babyeeee. Melly’s hometown yk yk
3 0
2 years ago
Read 2 more answers
Which graph represents viable values for y = 5.5x, where x is the number of cans of tomato paste and y is the total weight of th
Brilliant_brown [7]

Answer:

On a coordinate plane, x-axis is numbered negative 5 to positive 5 in increments of 1, and the y-axis is numbered negative 27.5 to 27.5 in increments of 5.5. Solid circles appear at points (0, 0), (1, 5.5), (2, 11), (3, 16.5), (4, 22), (5, 27.5)

Step-by-step explanation:

The first graph is not correct because you cannot sell or buy, for example 1.1, cans of tomato.

The second graph is correct because x is discrete variable, that is, it only take values like 1, 2, 3, etc.

The third and fourth graphs are not correct because you cannot sell or buy negative cans of tomatoes.

6 0
3 years ago
Read 2 more answers
Convert: 4 gal 3 qt = [ qt​
Firlakuza [10]

Answer:

19 quarts can i get brainliest

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the average of 99 and 52 ?
    15·2 answers
  • What is the value of the following function when x = 0?
    6·2 answers
  • What does a and b equals in the quadrilateral
    13·2 answers
  • Which inequality is true?
    11·1 answer
  • Suppose you want to buy 100 pens. You can buy 100 pens at a 10% discount at one store where the price is $3.99 per pen. And you
    8·1 answer
  • Amelia has a job baby-sitting for a neighbor. She is paid $20 plus $2.50 for each hour on the job. If Amelia wants to earn $40 t
    10·2 answers
  • Please help! 60 points and brainiest
    12·1 answer
  • Reread or review the short short story below "Dirty Bird".
    8·1 answer
  • Is the ratios 30:18 equivalent to 5:3 or 10:6 and if so why?ILL GIVE brainless if u answer good plz?!
    12·1 answer
  • HELP ITS MY LAST QUESTION WITH STEP BY STEP
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!