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
RSB [31]
3 years ago
10

X+y= -9 x+2y= -25 According to the system of equations above, what is the value of y?

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
6 0
Try this option:
if x+y=-9 is I (one)
and x+2y=-25 is II (two), then
if II-I, then (x+2y)-(x+y)=-25+9 ⇔ y=-16.
You might be interested in
Need help please. 15 points?
11Alexandr11 [23.1K]

Answer:

i think its B

Step-by-step explanation:

6 0
3 years ago
Joe is saving for a new online video game. He has some money already in his savings, and he can add $2.50 each week. This relati
DedPeter [7]

Answer: Y=2.50x+b

Step-by-step explanation:

Thats not the whole answer, you didnt attach the graph but what you need to do is find the y-intercept and put that into b and theres your equation. The y-intercept(B) represents the initial  money that joe had in his savings the 2.50x part or the slope is the money that he states he can add each week.

<h2 />
4 0
3 years ago
Read 2 more answers
10.) It costs $5 to enter the arcade and $0.75 for every game you play once inside.
Hoochie [10]

Answer:

y=0.75x+5

Step-by-step explanation:

x=20

y=20

20-5=15

15/0.75=20

20 games

5 0
2 years ago
Read 2 more answers
The donut shop is 3 times as likely to sell a glazed donut as an apple donut . If the shop sells 231 glazed donuts, how many don
Vedmedyk [2.9K]

Answer

the number of  donuts sold is: 693

Step-by-step explanation:

i get this answer by taking:

231 x 3 = and that equal 693. this is the number  of donuts sold.

5 0
3 years ago
What number should be added to 1253 to get 3000​
grandymaker [24]
1847..............................
4 0
3 years ago
Read 2 more answers
Other questions:
  • Whats a open equation?
    9·1 answer
  • PLEASE HELP!! A pyramid with a rectangular base is stacked on top of rectangular prism. The height of the composite figure is 10
    8·2 answers
  • (a) A color printer prints 7 pages in 4 minutes.<br> How many pages does it print per minute?
    15·1 answer
  • I need help my question is 4/7 divided by -13/5
    8·2 answers
  • Perform the indicated operation <br> 7 1/8 × 5 2/3
    15·2 answers
  • If angle a=11* what does angle be equal
    12·2 answers
  • Slope-intercept from two points
    10·1 answer
  • What all is equivalent to 7:5
    13·1 answer
  • 3b+4 = 25 <br> solve for b <br> no work needed
    14·2 answers
  • A square with a perimeter of 14 in. is reduced to a square with a perimeter of 7 in. What is the scale factor of this reduction?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!