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
KATRIN_1 [288]
3 years ago
5

X = 10 3x + 5y = 20 What is the solution (x,y) of the system of equations?

Mathematics
2 answers:
Tom [10]3 years ago
8 0
3x+5y= 20

3(10)+5y= 20
30+5y= 20
-30 -30
——————
5y=-10
———-
5 5

y = -2

(10,-2)


Answer: (10,-2)
AnnyKZ [126]3 years ago
4 0

Answer:

X=10

Y=-2

Step-by-step explanation: The value of X is given therefore you use it to find the value of Y in the equation:

3(10)+5y=20

5y=20-30

5y=-10

5y/5=-10/5

5 is cancelled out leaving y=-2

I hope this helps. :)

You might be interested in
If 20 hens can lay 160 eggs in 16 days, how long would it take 10 hens to lay 40 eggs?
nataly862011 [7]

Answer: It would take 4 hours

Step-by-step explanation:

20/2=10 160/2=80 16/2=8

80/2=40 8/2=4 so 4 hours :)

6 0
3 years ago
Read 2 more answers
If t=100, find 2t + 1
blagie [28]

Answer:

201

Step-by-step explanation:

I hope it's helpful for you

7 0
2 years ago
Read 2 more answers
Write and solve an equation.
kompoz [17]
You need to find the length of each side by doing 132÷4 which equals 33. Then to find the area you do 33×33 which equals 1,089. So yes, the area is over 1,000.
5 0
3 years ago
Read 2 more answers
Okay.
murzikaleks [220]
You would need 105 of sodium I found how much increase there was from 30 to 75 by doing 75/30 which is 2.5 that means the new amount of sodium would be 2.5 times 42 which is 105. You could also set up ratios and cross multiply like the picture I sent

8 0
3 years ago
Please someone answer for this question
Maslowich
First one is 5/3
Second one is: 5
Third one is: 15
3 0
3 years ago
Read 2 more answers
Other questions:
  • A collector has 180 movie posters and 100 band posters. She wants to sell 36 movie posters but still have her poster collection
    10·1 answer
  • Ms.Santiago has many pens in her desk drawer. She says that if you divide the total number of pens by 1 2 3 4 5 or 6 you get a r
    7·1 answer
  • Identify the parent function of the equation below.
    15·1 answer
  • Can someone please answer this question please answer it correctly and please show work please help me I need it
    12·2 answers
  • Solve the equation 3(x + 4.5) = 36. If you get stuck, use the diagram.
    14·1 answer
  • HELP ME PLEASE!!!!!!!!!!!!!!!! You have to figure out whether its undefined or zero
    8·2 answers
  • 80/100 as a percentage​
    7·2 answers
  • How do I find circumerfence?
    12·2 answers
  • Solve x - 2. 6 Greater-than-or-equal-to 9. 4 and graph the solution on the number line. Which statements are true? Check all tha
    12·1 answer
  • Find the area of Bedroom #3 and the cost of hardwood floors in Bedroom #3 at $7.24 per sq ft. (round toSECOND FLOOR10.5 ftEHIF14
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!