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
Rom4ik [11]
4 years ago
13

Solve using method of your choice. PLease help 28 points

Mathematics
1 answer:
Burka [1]4 years ago
5 0
7x+y=-20\\
x-3y=-50\\\\
21x+3y=-60\\
\underline{x-3y=-50}\\
22x=-110\\
x=-5\\\\
-5-3y=-50\\
3y=45\\
y=15


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

(5x-8y)^2=-25
No solution in real numbers.
You might be interested in
What is 10 + v - 17v = 4
rusak2 [61]
Solving for v and combining like terms:
10 + v - 17v = 4
     - v     - v
 10 - 16v = 4
-10          -10
-16v = -6
/-16    /-16
<u><em>v = 0.375 or 3/8
</em></u>Hope this helps! 



3 0
3 years ago
Read 2 more answers
A factory makes 394 motorcycles each week. If there are 52 weeks in a year, how many motorcycles will they make in a year
BigorU [14]
The answer is 7.57 of what they make for each year
5 0
3 years ago
Please help me I don’t know how to do this
OleMash [197]

that is how I solved it

4 0
3 years ago
Read 2 more answers
Complete this sentence. If volume remains the same while the mass of a substance ________, the density of the substance will____
Mariulka [41]

Answer:

Increases, increase

Step-by-step explanation:

Density is M×V, meaning if one goes up and one stays the same, it goes up.

7 0
3 years ago
Which is greater 900 cm or 9000mm
Morgarella [4.7K]
9000mm
 because there is ten mm in one cm

5 0
3 years ago
Read 2 more answers
Other questions:
  • 5 Raymond was riding a zip-cable from the top of a viewing post. The cable is 75 yards long. The viewing post is 60 yards high a
    12·2 answers
  • (15 POINTS) A card is drawn from a deck of 52. What is the probability of drawing either a diamond or a seven?
    5·1 answer
  • Please help thanks if you do?!?!
    11·2 answers
  • What is the compliment to a 32° angle?
    9·1 answer
  • *GEOMETRY*
    14·2 answers
  • What's the answer to number 7
    13·2 answers
  • Q2) A meat pie contains chicken and turkey in the ratio 4 : 1.    ( 3 marks)
    7·1 answer
  • Find the sum. Simplify your answer.
    14·2 answers
  • Write the decimals in expanded notation 0.685
    12·1 answer
  • Help 1+1 need help help help
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!