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
kow [346]
3 years ago
6

Solve the system of equations using the Addition method. 2a + 3b = -1 3a + 5b = -2

Mathematics
1 answer:
nasty-shy [4]3 years ago
8 0
2a + 3b = -1
3a + 5b = -2

3(2a + 3b = -1)    -->    6a + 9b = -3
2(3a + 5b = -2)    -->    6a + 10b = -4
                                 -  ___________
                                               b = -1

2a + 3(-1) = -1
2a - 3 = -1
2a = 2
a = 1

2(1) + 3(-1) = -1    -->    2 - 3 = -1
3(1) + 5(-1) = -2    -->    3 - 5 = 2

Answer:
a = 1
b = -1

Hope this helps.
You might be interested in
A survey of 30 students in line during registration revealed that 5 were Math majors,
Andreyy89

Answer:

23.333 percent

Step-by-step explanation:

7/30 of the students are undecided.

4 0
2 years ago
5.5% sales tax on a 59.99 lamp
VikaD [51]

Answer:

$63.29

Step-by-step explanation:

1. $59.99* 5.5%= 3.29945

2. 3.29945 +$59.99 = 63.28945

3. round to $63.29

there i hope i help :)

7 0
3 years ago
Graph y=x^2+y^2-4x+8y+16
S_A_V [24]
Here is the function graphed. This is what you asked for.

5 0
3 years ago
What is the awsner to (-6)(8) + (-11)
Nat2105 [25]

Answer:

-59

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the answer and how did you get it ?
grin007 [14]
Total of 2.7. ---Anna had 0.5 Sam 0.75 Michelle 0.45 and Paige 0.70
7 0
3 years ago
Read 2 more answers
Other questions:
  • -(x-10)=7????????????????????????????
    7·1 answer
  • The angles of an equilateral triangle are congruent. If x represents the measure of one angle of an equilateral triangle, which
    12·1 answer
  • in 2015, Oklahoma experienced 907 perceptible earthquakes (far surpassing California), for an average of about 2.5 perceptible e
    12·1 answer
  • What is the common ratio for the sequence 1, 4, 16, 64,...? 2 4
    15·2 answers
  • 3x + 8y - 36 = 0
    9·1 answer
  • Which of the following equations describes the line shown below? Check all that apply. (Brainliest Marked) ​
    12·2 answers
  • A sample of 42 observations is selected from one population with a population standard deviation of 3.3. The sample mean is 101.
    6·1 answer
  • Heyyy wanna help mee
    12·2 answers
  • *please don’t answer if you aren’t going to be serious or answer everything *
    6·1 answer
  • A counselor at a large high school wants to estimate the mean amount of sleep μ that students got the previous night. She select
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!