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
AnnyKZ [126]
3 years ago
12

A pair of equations is shown below.

Mathematics
2 answers:
Vika [28.1K]3 years ago
8 0
3x − y = 9
y = −2x + 11

3x − (−2x + 11) = 9
3x + 2x - 11 = 9
5x = 9 + 11
5x = 20
x = 4

y = −2x + 11 = -2*4+11 = 3

(4, 3)



viktelen [127]3 years ago
7 0

Answer:

Hence, the two equations intersect at:

(4,3)

Step-by-step explanation:

We are given:

A pair of equations:

3x − y = 9

y = −2x + 11

now, on graphing these equations.

as we can clearly see from the graph the two lines intersect at (4,3)

Hence, the two equations intersect at:

(4,3)

You might be interested in
Select the correct answer. If the function 5x + y = 1 has the domain (-2, 1, 6), then what is the corresponding range? OA. {-9,
Leokris [45]

Answer:

D) {11,-4,-29}

Step-by-step explanation:

rewrite the equation as y= -5x+1 and plug in -2,1 and 6 to get y

-5*-2+1=11

-5*1+1=-4

-5*6+1=-29

3 0
3 years ago
On a set of house plans, the scale is 2 cm : 5 m. If the actual length of a room is 18 m, what is the length of the room on the
Jobisdone [24]
If 
2cm...................................5 m
?cm....................................18 m
the lenght of the room= (18*2)/5=7.20 cm
choice c
3 0
3 years ago
I give up on life no one would help me
Aneli [31]

Answer:

2) D. y = 1,400 + 400m

Step-by-step explanation:

she starts the first month with the initial amount of 1400. this 1400 doesn't repeat monthly, so it isn't multiplied to anything. the 400m represents the 400 being added every month.

5 0
3 years ago
Find an equivalent ratio in simplest terms: 25:75
Sati [7]

Answer:

1:3

Step-by-step explanation:

Both numbers are divisible by 25:

  • 25 ÷ 25 = 1
  • 75 ÷ 25 = 3

∴ The simplified ratio is 1:3

Hope this helps!

5 0
3 years ago
The LCM of 4 and 7 is ______.
Luden [163]
We should multiply 4 and 7 to find the LCM.
So the LCM will be 4*7 = 28
If it helped please mark as the brainliest answer.
8 0
3 years ago
Read 2 more answers
Other questions:
  • What is a rational number betweeb 9.5 and 9.7 explain why its rational
    12·1 answer
  • A zoo has 15 toucans and 60 parrtos
    15·1 answer
  • Jo Ann white is paid a salary of 410$ a week of a commission of 5.6% of all sales how much does she earn a week
    12·1 answer
  • Tom buys some shirts for $15 each he has a coupon for $9 off the total price if he pays $36 how many shirts s did he buy
    9·1 answer
  • An airplane is flying at an altitude of 4,000 ft and descends at a rate of 200 ft per minute. Is it proportional, if not why????
    13·1 answer
  • A margin of error tells us how often the confidence interval estimates the parameter incorrectly. how often a confidence interva
    6·1 answer
  • What is the amount of liquid in this beaker?
    13·2 answers
  • Part b. is the second part of this question.
    11·1 answer
  • What are the square roots of 36100?
    5·2 answers
  • Two different cubes of the same size are to be painted, with the color of each face being chosen independently and at random to
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!