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
algol13
3 years ago
12

−5x+2y=9 y=7x ​ solve the system of equation

Mathematics
1 answer:
egoroff_w [7]3 years ago
6 0
Here to solve the equation we need to plug in the value y as given. -5x+2(7x)=9. -5x+14x=9. 9x=9. X=1.
You might be interested in
Under her cell phone plan, Lillian pays a flat cost of $47 per month and $3
anastassius [24]

Answer:

3.4 gigabytes

Step-by-step explanation:

Because 57.20$ divided by 47 is 10.20 and 3 goes in to 10.2 3.4 times.

3 0
3 years ago
Let f(x)=81+3e−0.7x .
olchik [2.2K]
9.25
this is your answer
5 0
3 years ago
Read 2 more answers
Multipy the expreshions (2h+2.7) (2h-27)​
Musya8 [376]

Answer:

4h^2-48.6h-72.9

Step-by-step explanation:

(2h+2.7) (2h-27)\\4h^2-54h+5.4h-72.9\\4h^2-48.6h-72.9

5 0
3 years ago
Which properties did Marty use?<br><br> Thank you very much!!
nadezda [96]

Answer:123

Step-by-step explanation:

5 0
4 years ago
PLEASE HELP DUE IN 30 MINUTES FIND ? AND SHOW YOUR WORK
Ksivusya [100]

Answer:

?= 180-(75+39)=66

Step-by-step explanation:

......

8 0
3 years ago
Read 2 more answers
Other questions:
  • The graph of F(x) can be compressed vertically and shifted to the left to
    5·1 answer
  • The graphs of y = f(x) and y = g(x) are shown on the coordinate plane below. If g(x) = k* f(x), what is the value of k?
    6·2 answers
  • Which quadrilaterals always have opposite angles that are congruent
    10·1 answer
  • Jason can mow his parents' yard in 3 hr. His brother can mow it
    11·1 answer
  • I don't really understand this​
    6·1 answer
  • HELP ME ASAP! Will give BRAINLIEST! Please read the question THEN answer correctly! No guessing.
    10·1 answer
  • Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
    8·1 answer
  • Which expression represents the shaded length of the number line below? Choose 1 answer: Choose 1 answer: (Choice A) A 34×32\dfr
    13·1 answer
  • Please help!!! the question is in the picture above— this is geometry
    15·1 answer
  • ILL GIVE U BRANLIEST
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!