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
Readme [11.4K]
3 years ago
13

Solve the systems of equation by substitution method.2x+y=13x-y=4​

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
5 0

Answer:

x=1, y=-1. (1, -1).

Step-by-step explanation:

2x+y=1

3x-y=4

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

y=3x-4

2x+3x-4=1

5x-4=1

5x=1+4

5x=5

x=5/5

x=1

y=3(1)-4=3-4=-1

You might be interested in
Simplify (a^-2*b^2/a^2*b^-1)<br><br><br> The answer is B
Ad libitum [116K]

Answer:

=b/a^4

Step-by-step explanation:

6 0
2 years ago
Triangles QVS and RTS are similar. Find side VS
maxonik [38]

ΔQVS is similar to ΔRTS

.

<u>Solve x:</u>

\dfrac{10}{6}  = \dfrac{x}{8}

6x = 80

x = 40/3

x = 13 1/3

.

Answer: x = 13 1/3

5 0
3 years ago
Read 2 more answers
Christine wants to buy a bicycle for her little brother. She receives a coupon in the mail for 5% off the bicycle. The bicycle h
puteri [66]
The answer is A because you would do 79 x 0.05 which equals 3.95 . So you subtract 3.95 from 79 which is 75.05 minus 50 equal to 25.05
5 0
3 years ago
Read 2 more answers
Help with all of these please explain if u can !
sveticcg [70]

Answer:

1. 78cm^2

2. 200 ft^2

Step-by-step explanation:

1. i always cut these complex shapes into simpler ones (in this case a rectangle and a triangle)

the rectangles area is 6*8 or 48 and the triangles area is (10*6)/2 or 30 you then add the two areas to get the area for the whole shape 48+30=78

2. once again you're going to break this shape up into the individual rooms and then add them together the garage is a 4*6 room (24) the bedroom is a 8*4 room (32) the living room is a 10*10 room (100) the kitchens a  6*6 room (36) and the bathroom is a 4*2 room (8) you then add all these together

24+32+100+36+8=200

4 0
3 years ago
Read 2 more answers
Please i need help it’s a timed test
Fofino [41]
The function can use all values of x which means x is in between -inf and +inf. The first option expresses this.
3 0
2 years ago
Other questions:
  • (8y-5)-(2y-9) plz help
    6·1 answer
  • Plese help with geometry question 24 was a guess ! Thank you
    14·2 answers
  • You can exchange 25 U.S. Dollars for 20 Euros. What is the exchange rate in U.S. Dollars per Euro?
    9·1 answer
  • What is the missing statement in step 4
    6·2 answers
  • Consider the equation v + 4 + v = 8. What is the resulting equation after the first step in the solution?
    13·1 answer
  • The sentence on the bottom not on the top.<br><br> GIVE U 100 POINTS PROMISE
    6·2 answers
  • Consider the line -x+3y=1
    12·1 answer
  • Help me plzzzzzz.,,,,,,,,,,
    14·2 answers
  • ???????????????????????
    10·1 answer
  • Someone help me Asap please!!
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!