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
Solnce55 [7]
3 years ago
5

Which ordered pair (x, y) is a solution to given system of linear equations?

Mathematics
2 answers:
Jet001 [13]3 years ago
7 0

Answer: (1,-2)

Step-by-step explanation:

Given : the system of linear equations :-

3x+y=1---------------(1)\\5x+y = 3---------------(2)

In order to find x and y , first we subtract equation (1) from equation (2) , we get

2x=2

Divide both sides by 2 , we get

x=1

Substitute the value of x=1 in equation (1) , we get

3(1)+y=1\\\\3+y=1

Subtract 3 from both sides , we get

y=-2

Hence, the ordered pair (x, y) is a solution to given system of linear equations = (1,-2)

Thus , the correct answer is  (1,-2) .

riadik2000 [5.3K]3 years ago
3 0

Answer:

(1, - 2 )

Step-by-step explanation:

Given the 2 equations

3x + y = 1 → (1)

5x + y = 3 → (2)

Subtracting (1) from (2) term by term eliminates the term in y, that is

(5x - 3x) + (y - y) = (3 - 1) and simplifying

2x = 2 ( divide both sides by 2 )

x = 1

Substitute x = 1 in either of the 2 equations for corresponding value of y

Using (1), then

3 + y = 1 ( subtract 3 from both sides )

y = - 2

Solution is (1, - 2 )

You might be interested in
Solve the equation: 15=2y-5
Arisa [49]

Answer:

2 times 10 - 5 equals 15

Step-by-step explanation:

hope that helps

8 0
3 years ago
Read 2 more answers
......,................​
dem82 [27]

Answer:

A

Step-by-step explanation:

Given

4n² + 4(4m³ + 4n² ) ← distribute terms in parenthesis by 4

= 4n² + 16m³ + 16n² ← collect like terms

= (4n² + 16n²) + 16m³

= 20n² + 16m³

= 16m³ + 20n² ← in standard form → A

3 0
3 years ago
Pls help extra points and mark brainlist
igor_vitrenko [27]

Answer:

2over/a -b-c

Step-by-step explanation:

remove the parentheses

5 0
3 years ago
What is the answer??????
dexar [7]

Answer:

38 5/28

Step-by-step explanation:

Well start with the whole numbers 24 and 13 This is adding so that means everything has to be added together. 13+24=37 Now, lets go the fractions.

Find the LCD (Least Common Denominator)  of 3/4 and 3/7 and rewrite to solve with the equivalent fractions. (remember the Denominator is the BOTTOM PART of the Fraction. Such as the 4 in 3/4.)  

LCD = 28

21/28 + 12/28 = 33/28 which can be simplified to 1 5/28. Combining the whole and fraction parts 37 + 1 + 5/28 = 38 5/28 And that will be your answer. Another way you can do this is

converting mixed numbers to fractions Meaning put them in improper form where the numerator (the top number of a fraction is bigger than the denominator such as 4/3) , our initial equation becomes, 99/4 + 94/7

Applying the fractions formula for addition,

(99×7) + (94×4) / 4×7

= 693+376 / 28 =  

= 1069/ 28

Simplifying 1069/28, the answer is

= 38 5/28

And one more thing. An easier way to make a mixed number a improper fraction is the multiply the denominator by the whole number then add the numerator and whatever the denominator is it stays for example

38 5/28.

28 times 38 = 1064 then add the 5 and you get 1069! But we aren't done yet, the denominator was 28 so that means the full answer is 1069/28 and that is the Improper fraction form!

Hope this helps! (sorry I took so long)

~R.C aka dj

 

6 0
3 years ago
It is recommended that an adult drink 64 fluid ounces of water every day.Josey has already consumed 700 millitiers of water. How
Rudiy27
In the given question it is already mentioned that an adult drinks 54 fluid ounces of water daily. Also it is mentioned that Josey has already drank 700 milliliters of water.
Now fopr solving this problem we have to fist convert 64 ounces to liter and then convert 700 milliliter to liter and then only can we get the answer to the question.
We already know
1 ounce = 0.29 liter
64 ounce = 64 * 0.29 liter
               = 18.56 liter
So 18.56 liter is the daily recommendation for an adult to drink water
Again
1 milliliter = 0.001 liter
700 ml = 0.001 * 700 liter
           = 0.7 liter
So Josey has already drank 0.7 liters of water
Amount of water Josey still needs to drink = (18.56 - 0.7) liter
                                                                   = 17.86 liter
7 0
3 years ago
Read 2 more answers
Other questions:
  • Which statement describes the Chandra X-ray observatory?
    6·2 answers
  • Plesseeeeeeee hellllllllllppp
    14·1 answer
  • PLZ HELP IM STRUGGLING IM TIMED!!<br><br> Find the area
    6·2 answers
  • What is the area of a triangle whose vertices are (3,3), (3,-1) and (-2,-5)
    5·1 answer
  • On his first day of school, Kareem found the high temperature in degrees Fahrenheit to be 76.1°. He plans to use the function to
    12·1 answer
  • Help me find the function pls
    10·1 answer
  • Find the area of each figure. Use 3.14 for phone
    5·2 answers
  • PLZ HELP ME D HOW J IT EHJ
    13·1 answer
  • Helpp :(
    11·2 answers
  • Find the resultant matrix ~
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!