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
qaws [65]
3 years ago
6

Solve the systems of equations using elimination

Mathematics
1 answer:
coldgirl [10]3 years ago
6 0

Answer:

x=1, y=1. (1, 1). The answer is D).

Step-by-step explanation:

3x-5y=-2

4x-7y=-3

--------------

4(3x-5y)=4(-2)

-3(4x-7y)=-3(-3)

------------------------

12x-20y=-8

-12x+21y=9

--------------------

y=1

3x-5(1)=-2

3x-5=-2

3x=-2+5

3x=3

x=3/3

x=1

You might be interested in
The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.
Rufina [12.5K]

Answer:

babala

Step-by-step explanation:

The probability of being a universal donor is 6% (O-negative-blood type). Suppose that 6 people come to a blood drive.

a) What are the mean and standard deviation of the number of universal donors among the 6 people?

b) What is the probability that there are exactly three universal donors?

7 0
2 years ago
Which model represents 2 x 0.9?
rjkz [21]

Answer:

<h2>Model B</h2>

Step-by-step explanation:

The model needs to show 1.8 because 2 x 0.9 = 1.8. Model B is the only model that shows this.

<em>Hope this helps</em>

5 0
3 years ago
Read 2 more answers
Select the correct answer.<br> Solve
Molodets [167]

Answer:

B 1 1/7

Step-by-step explanation:

- 9 2/7 - ( -10 3/7)

We know subtracting a negative is like adding

- 9 2/7 +10 3/7

10 3/7 - 9 2/7

Putting this vertical

10  3/7

-9  2/7

-----------------

1   1/7

5 0
3 years ago
1/3x12=4/3=_____ <br> Please help me figure this out
Korolek [52]
1 whole and 1/3 is the answer
8 0
3 years ago
Read 2 more answers
I need help I don’t get this
AlexFokin [52]

Answer:

-3

Step-by-step explanation:

-2(2x+5)-x=5(x+1) +15

distribute

-4x-10-x=5x+5+15

add common terms

-5x-10=5x+20

move common terms to the same sides

-30=10x

divide

x=-3

3 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following expressions could be used to represent "the difference between -17 and -8"?
    12·1 answer
  • Triangle XYZ is a right triangle. if XY=4, what is YZ
    8·2 answers
  • Courtney walks 4 laps around 1/4 mile back. 1 mile is 5280 feet, how far did she walk
    13·1 answer
  • Consider the triangle
    7·1 answer
  • It takes Mia 1/4 hour to pick out all beads and 1/10 hour to string them. If she only has 5 and 1/4 to make bracelets how many w
    12·1 answer
  • HELP PLZZZZ DOING
    7·1 answer
  • Convert the units of length.<br><br> 7.5 cm<br> =<br> __ m
    9·2 answers
  • I need help please (Proportions)
    12·1 answer
  • 30 = x + 22 <br><br> What does x equal to?
    12·1 answer
  • If a rock falls from 125 feet, estimate how long it will take the rock to hit the ground. Estimate the square root to the neares
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!