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
alina1380 [7]
3 years ago
11

1.1. Which statement explains why the two systems of equations below have the

Mathematics
1 answer:
marin [14]3 years ago
7 0

Answer:

B. The first equation in B is the sum of the equations in A, while the other is obtained

by multiplying the first equation in A by 2.

Step-by-step explanation:

If we add the first two equations that shown in A so

6x + 8y + 2x - 5y = -10 + 12

8x + 3y = 2

Now the first equation in A would be multiplied by 2

So

2(6x + 8y = -10)

12x + 16u = -20

Therefore the correct option is B.

You might be interested in
Fatore a equação<br><br> 2x²-3xy-2y²-2x-11y-12
Keith_Richards [23]

2x²-3xy-2y²-2x-11y-12

Write -3xy as a difference

2x²+xy-4xy-2y²-2x-11y-12

write -2x as a difference

2x²+xy-4xy-2y²+4x-6x-11y-12

Write -11y as a difference

2x²+xy-4xy-2y²+4x-6x-8y-3y-12

Factor out 2x from the expression

2x×(x-2y-3)+xy-2y²+4x-8y-3y-12

Factor out y from the expression

2x×(x-2y-3)+y×(x-2y-3)+4x-8y-12

Factor out 4 from the expression

2x×(x-2y-3)+y×(x-2y-3)+4(x-2y-3)

Factor out x-2y-3 from the expression

Answer: (x-2y-3)x(2x+y+4)

PLEASE MARK ME AS BRAINLIEST!!

3 0
3 years ago
Help please ASAP thx all of them
Radda [10]
Hi, these equations are pretty easy actually, first thing you should know when working with variables is that you always want to leave the variable alone, let's take the third excersise for example, 12x + 2 = 146. Here you just do the opposite on the other side of the equation depending if the number is positive or negative. Since x is being multiplied by 12 you first get rid of the 2, since its positive you subtract it to 146. Now the answer should be 12x = 144. Now since you're multiplying 12 to x you just divide 12 from 144, 144/12 = 12
x = 12
6 0
3 years ago
Combine Like Terms <br><br> 8 + 19t - 6t<br><br> A) 8 - 13t<br> B) 21<br> C) 21t<br> D) 8 + 13t
Hunter-Best [27]

Answer:

8 + 13t

Step-by-step explanation:

Since 19t and 6t have the same variables

4 0
3 years ago
The computer store is having a sale on lets us each laptop is being sold for 15% off the regular price Avery wants to buy a lapt
Nuetrik [128]

Answer:

The answer is 600.

Step-by-step explanation:

This is because 5 percent of 800 is 40. 800+40 = 840. 15 percent of 800 is 160. 840 - 160 is 680. 10 percent of 800 is 80. 680 - 80 is 600.

If this is right an you mar me brainliest? Thank you and have a good day!

8 0
3 years ago
Read 2 more answers
Find the volume of this figure and show your work
mario62 [17]

Answer:

10

Step-by-step explanation:

The answer is 10 because there are five stacks of 2 cubes. 5 x 2 = 10.

4 0
3 years ago
Other questions:
  • What is the sum of 2/7 and 5/6?
    7·1 answer
  • At a museum 100 posters are displayed in each of four rooms altogether how many posters are displayed
    6·1 answer
  • Use the bar diagram to write an equation. Then solve. Drag numbers to complete the equations.
    9·1 answer
  • Help me asap .... will crown brainiest !
    14·1 answer
  • Bryan started to evaluate a decimal expression. 2.5(42 ÷ 3.2 – 10(0.2) + 3)– 5.2 2.5(16 ÷ 3.2 – 10(0.2) + 3) – 5.2
    15·1 answer
  • 2x + y = 7
    15·1 answer
  • Although, in general, you cannot know the sampling distribution of the sample mean exactly, by what distribution can you often a
    15·1 answer
  • The graph shows the relationship between the volume of coffee in a cup and the length of time Cassie pours
    9·2 answers
  • In a family there was give sons. The oldest son is 11 3/4 years old, and every next younger brother is younger than the next by
    14·2 answers
  • REWARDING BRAINLY TO CORRECT ANSWER
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!