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
balandron [24]
2 years ago
7

How can systems of linear equations with two variables be solved using algebraic methods?

Mathematics
1 answer:
erik [133]2 years ago
8 0

Answer: The systems are solved by solving for one variable in one of the equations, then substituting that equation into the second equation. Solve for a in the second equation, then substitute the second equation into the first. The Elimination Method: Both equations are in standard form:            Ax + By = C.

You might be interested in
What is { y= 4x+10 and y= 3x+9
Musya8 [376]

Answer:

x=-1

Step-by-step explanation:

y=4x+10

y=3x+9

-----------

4x+10=3x+9

4x-3x=9-10

x=-1

5 0
3 years ago
Read 2 more answers
Fill in the integers -10, -8, -7, -6, -5, -4, -3, -2 and 0 into a magic square so that every row, column, and diagonal has a sum
ioda

-2 -10 -3

-7 0 -8

-6 -5 -4


That's the square, it was a fun puzzle :)

6 0
2 years ago
How many times greater is the value of 3 in 300
Tatiana [17]
The value of 3 in 300 is ten times I hope this helps you tell me if you want ,e to explain
7 0
3 years ago
Ben sells homemade cards at a craft fair. He wants to earn more than $50 at the fair. He sells his cards for $2 and he has alrea
Kryger [21]

Answer:

He must sell 8 cards to reach the minimum goal.

Step-by-step explanation:

Giving the following information:

He wants to earn more than $50 at the fair.

He sells his cards for $2 and he has already earned $36.

<u>First, we need to calculate the money required to reach the minimum goal:</u>

51 - 36= $15

<u>Now, we write the inequality:</u>

2*x >15

x= number of cards sold.

x>15/2

x> 7.5

He must sell 8 cards to reach the minimum goal.

7 0
3 years ago
This test will not impact your grade.
ycow [4]

Answer:

im pretty sure the distance is across the y and x axis

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • I'm doing a survey and need thoughts. In a classroom do you prefer to use computers or Textbooks. No explanation necessary. But
    5·2 answers
  • Order the numbers from least to greatest. 0.462; 0.436; 0.435; 0.478
    8·1 answer
  • Can u help me with (29,30,31)
    15·1 answer
  • If $1,100 is deposited into a savings account offering 11% interest paid annually, approximately how much money will be in the a
    7·2 answers
  • Which answer describes the type of numbers that are dense? whole numbers and integers whole numbers but not integers rational nu
    11·1 answer
  • Find the center, vertices, and foci of the ellipse with equation x squared divided by 36 plus y squared divided by 100 = 1
    10·1 answer
  • celebrity a has 400 followers on social media and is gaining 75 followers each day. celebrity b has 1000 followers on social med
    13·2 answers
  • Please help me ASAP!!!!!!!!!!!!!!
    13·1 answer
  • Use The Divergence Theorem To Calculate The Surface Integral and Sis a sphere centered at the origin with a radius of 2. Confirm
    6·1 answer
  • What is 5xy-x^2t+2xy+3x^2t
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!