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
Natalija [7]
2 years ago
6

7x - y = - 1 (7x + 3y = - 25)

Mathematics
2 answers:
Otrada [13]2 years ago
8 0

Answer:

x = -1

y = -6

Step-by-step explanation:

7x - y = -1 -> y = 1 + 7x

7x + 3y = - 25

Put y = 1 +7x -> 7x + 3(1 +7x) = -25

-> x = -1

-> y = -6

Feliz [49]2 years ago
7 0

Answer:(-1,-6)

Step-by-step explanation:

You might be interested in
Number Line<br> B is between A and C. AB= 12 and BC= 17. what is the length of AC?
igor_vitrenko [27]

Answer:

29

Step-by-step explanation:

AB+BC=AC

12+17=29=AC

5 0
3 years ago
A pool can be filled by one pipe in 8 hours and by a second pipe in 2 hours. How long will it take using both pipes to fill the​
andreev551 [17]

let the time taken to be filled by both pipes be y

1/2 +1/8=1/y

(4+1)/8=1/y

5/8=y

cross multiplying

5y=8

y=8/5

=1.6hrs

7 0
3 years ago
The vertices of two rectangles are A(−5,−1),B(−1,−1),C(−1,−4),D(−5,−4) and W(1,6),X(7,6),Y(7,−2),Z(1,−2). Compare the perimeters
valkas [14]
The two rectangles are not similar. actually WXYZ is not a rectangle at all. it is a polygon but not a rectangle. hope the visual helps.. 

4 0
3 years ago
What conversion factor can be used to convert the number of blocks to the weight of the blocks, in pounds?
Alexxandr [17]
 above, -6 and -<span>1 2x2</span> - 6x - 1x - 3. Step-4 :
8 0
3 years ago
I need help please!
den301095 [7]

9514 1404 393

Answer:

  f(g(x)) = 2/(x^2 +4x)

Step-by-step explanation:

  (f\circ g)(x)=f(g(x))\\\\(f\circ g)(x)=f(x+2)=\dfrac{2}{(x+2)^2-4}\\\\(f\circ g)(x)=\dfrac{2}{x^2+4x+4-4}\\\\\boxed{(f\circ g)(x)=\dfrac{2}{x^2+4x}}

3 0
2 years ago
Other questions:
  • Find the quotient. (6x 2 + 23x + 20) ÷ (5 + 2x)
    13·2 answers
  • Simplify the expression.
    7·1 answer
  • Is 3x + 12 +x and 4 (3 + x) equivalent .Why and Whynot?
    7·2 answers
  • FWML is a parallelogram. Find the values of x and y. Solve for the value of z, if z=x−y
    15·1 answer
  • GREETINGS WORL I AWAIT YOUR ASSISTANCE ON THIS GREAT ENDEVOUR
    9·1 answer
  • What is the mechanical advantage of a ramp that is 5 m long and 1.5 m high
    6·1 answer
  • 13.3 billion standard form
    6·1 answer
  • A line passes through the point 2, -3 and has a slope of 9
    9·1 answer
  • Ms. Molina was driving at a constant speed. She drove 150 miles in 3 hours. At that speed,
    13·1 answer
  • JAVA
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!