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
marta [7]
3 years ago
6

Solve this system of equations algebraically using substitution y= x + 4 and x + y=2

Mathematics
1 answer:
barxatty [35]3 years ago
6 0

Answer:

x = -1, y = 3

Step-by-step explanation:

To solve this system of equations, you have to plug in the value of y from the first equation into the second equation:

x + (x + 4) = y

2x + 4 = 2

2x = -2

x = -1

Then, plug x = -1 into one of the equations:

y = (-1) + 4

y = 3

You might be interested in
The measure of angle O is 7pi/6. The measure of its reference angle is.... ° and sin O is .....
scoray [572]
\frac{7 \pi }{6} is in the 3rd quadrant... (It is also 210 degrees)
To find the reference angle (which is the distance to the x-axis)
\frac{7 \pi }{6} - \pi = \frac{ \pi }{6}  (or 30 degrees)

sin \frac{ \pi }{6} = \frac{1}{2}
6 0
3 years ago
Find the measure of the angle indicated
VashaNatasha [74]

i think it 54 on the other side

5 0
3 years ago
Read 2 more answers
List all sets that -1/3 belongs to.
Vikki [24]

Answer:

dfffffffff

Step-by-step explanation:

xcdsw23456iu76

5 0
2 years ago
If mZA= 78°, what is the mZB?
Andrei [34K]

Answer:

possible answers below!

Step-by-step explanation:

if they are vertical angles then the measure of ZB is 78

if they are supplementary then ZB is 102 degrees

if they are complementary then ZB is 12 degrees

It depends on where its located, cant really help if i dont have a pic..but i hope this helps!   :)

4 0
3 years ago
Plis help me on how much you can thank you first to reply gets brainless
victus00 [196]

Answer:

yeet

Step-by-step explanation:

yeet yeet yeet yeet yeet yeet yeet yeet yeet eet yett yeet yeet yeet yeet yeet yeet yeet yeet yeety

6 0
2 years ago
Other questions:
  • Write a quadratic function in standard form with zeros 9 and -4
    15·1 answer
  • Find the value of the expression 6x + 3xy, when x = 2 and y = 4.
    12·2 answers
  • The sale price of every item in a store is 85 percent of its usual price a. The usual price of a backpack is $30, what is the sa
    7·2 answers
  • What is the area of this trapezoid?
    7·2 answers
  • On friday , 2 classes went on a feild trip. if the 3 other classes are left at the school, and there are 20 students per class,
    8·1 answer
  • Please answer this math question correctly
    10·1 answer
  • What is the slope of a line parallel to the line with equation 5x + 3y = 7?
    13·1 answer
  • 2. Rotate the following 180 degrees about point D.
    12·1 answer
  • The marked price of an article is Rs 2,800 which is 40 % above the cost price. If it
    8·1 answer
  • The taxi fare in Metropolis is $3.75 for the first mile and additional mileage charged at the rate of $0.30 for each additional
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!