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
Yuri [45]
2 years ago
12

7x - Зу = 45 4х + 5y = 19

Mathematics
1 answer:
inysia [295]2 years ago
3 0

Answer:

(6,-1)

Solve for the first varible in one of the equations, then subsititue the other equation.

You might be interested in
The difference of nine times a number and the quotient of 6 and the same number.​
Anvisha [2.4K]
If number is equivalent to x.
Answer is:
9•x-6/x
4 0
2 years ago
SOMEONE PLEASE HELP ME WITH THIS QUESTION 2.5x - 3 = 2x - 2 <br>I don't get what x is equal to
Luda [366]

Answer:

2

Step-by-step explanation:

Use the property of equality :)

5 0
3 years ago
Use Descartes rule to determine the possible number of positive and negative solutions for the polynomial: f(x)=10x^4-21x^2+11​
galina1969 [7]

Answer:

x = 11/2

Step-by-step explanation:

just go by each step

3 0
2 years ago
Select all the expressions that are equivalent to 18 + 4(m − 3) + 4m.
mixas84 [53]

Answer:

A 2(4m + 3)   Distribute 8m +6   match

C 8m + 6    This matches

Step-by-step explanation:

18 + 4(m − 3) + 4m

First distribute

18+ 4m -12 +4m

Then combine like terms

8m +6

Now see which expressions match

A 2(4m + 3)   Distribute 8m +6   match

D 4(2m + 4)  Distribute  8m + 16   no match

B 5m + 19  This does not have 8m   no match

E 8m + 16  This does not have 6 as a constant  no match

C 8m + 6    This matches

4 0
2 years ago
Read 2 more answers
The predicted population of Andover t years after 2010 can be modeled by the following equation.
katrin2010 [14]

Answer: Hornell

Step-by-step explanation:

right on Plato

5 0
2 years ago
Other questions:
  • Which of the following is a radical equation? x + StartRoot 5 EndRoot = 12 x squared = 16 3 + x StartRoot 7 EndRoot = 13 7 Start
    14·1 answer
  • The quotient, of the product of 25 and an unknown number, and 45 is -65. What is the equation for the statement? What is the val
    13·1 answer
  • The height in feet above the water of a diver can be modeled by ℎ() = −16*2 − 16 + 192, where t is the time in seconds after the
    13·1 answer
  • 15 POINTS FOR THE FIRST ONE TO GET THIS RIGHT! HELP!
    6·1 answer
  • How do I solve for gfh
    13·2 answers
  • Can you answer this?
    13·1 answer
  • A cylinder has a volume of approximately 565 cubic inches. Which of the following best describes the dimensions of the cylinder
    10·2 answers
  • The equation x^2+ y^2+ 8x - 12y + 43 = 0 is the equation of a circle. Complete the square to change this
    6·1 answer
  • Find the equation of the tangent line. y=(x^2+x-2)^2 at (-1,4)​
    13·1 answer
  • Read the screenshot thanks
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!