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
tankabanditka [31]
2 years ago
11

To solve a system of inequalities ayana isolated y in the first equation and then substituted for y in the second equation. what

was the result
2y=4x
x^(2)+y=3
Mathematics
1 answer:
vitfil [10]2 years ago
8 0

Answer:

(- 3, - 6 ) , (1, 2 )

Step-by-step explanation:

2y = 4x ( divide both sides by 2 )

y = 2x → (1)

x² + y = 3 → (2)

Substitute y = 2x into (2)

x² + 2x = 3 ( subtract 3 from both sides )

x² + 2x - 3 = 0 ← in standard form

(x + 3)(x - 1) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 3 = 0 ⇒ x = - 3

x - 1 = 0 ⇒ x = 1

Substitute theses values into (2) for corresponding values of y

x = - 3 : y = 2(- 3) = - 6 ⇒ (- 3, - 6 )

x = 1 : y = 2(1) = 2 ⇒ (1, 2 )

You might be interested in
last month Tara work 16.5 hours the first week 19 hours the second week 23 hours the third week 15.75 hours the fourth week she
STatiana [176]
The number of hours, h, Tara plans to work this month are greater than 16.5 + 19 + 23 + 15.75. Therefore, h > 16.5 + 19 + 23 + 15.75.

h > 74.25
7 0
3 years ago
Determine the value of x in the diagram. <br><br> Am i right? Just making sure...
MArishka [77]

Answer:

yeah. in this case and shape it's rather obvious.

but furthermore the sum of all angles are 360°!

(numberOfAngles * 180 - 360)

7 0
3 years ago
The chagram shows a regular octagon joined to an equilateral triangle
marysya [2.9K]

Answer:

x = 165°

Step-by-step explanation:

x° = 360 - (the measure of one interior angle of the octagon + the measure of one interior angle of the equilateral ∆)

Each interior angle of a regular octagon = 135° ([tex] \frac{(n - 2)180}{n} = 135°)

An equilateral ∆ has equal angles, each measuring 60°.

Therefore:

x° = 360° - (135° + 60°)

x = 360 - 195

x = 165°

3 0
2 years ago
Read 2 more answers
There are 9 players per team. Find the number of players on 7 teams
alexandr1967 [171]
You would do 9(7) = 63
7 0
3 years ago
Read 2 more answers
joyce only gets 5.5%commission on sales greater than $2000 per month. If she sold $2300, what commission did she earn? A. 82.21
koban [17]

Answer:

$16.50

Step-by-step explanation:

$300 x .055 = $16.50

4 0
3 years ago
Other questions:
  • Please helpp asap❤❤ <br>Would appreciate it
    5·1 answer
  • When a set of coordinates on a preimage is multiplied by -n instead of n, the coordinates of the image rotate about the center o
    5·2 answers
  • Evaluate 3m-n when m=5 and n=1
    5·1 answer
  • Which statement about the histogram is true
    6·2 answers
  • Help please thank you !!!
    12·1 answer
  • When multiplying decimals what do you have to analyze​
    7·1 answer
  • a metal pile is 500cm long correct to the nearest centimeter the pole is cut into rods each of length 5.8cm correct to the neare
    8·1 answer
  • PLS HELPP! ITS TIMED
    5·1 answer
  • HELP! DUE SOON! X^2=6
    12·1 answer
  • Anyone knows the answer?! ​
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!