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
Over [174]
2 years ago
13

X-2y=15 x-3=4y Simultaneous equation find x and y

Mathematics
1 answer:
ad-work [718]2 years ago
4 0

Answer:

x = 27, y = 6

Step-by-step explanation:

x - 2y = 15

x - 4y = 3 (rearranged the orginal equation)

  x - 2y = 15

-  x - 4y = 3

___________

2y = 12

y = 6

Plug this value in any original equation

x - 2(6) = 15

x = 27

You might be interested in
How much does $213/month over 40 years (which is a total of $102,240) become over $1 million
AysviL [449]

Answer:

Well it actually equals 1,022,400. You did the math right but missed a 0

Step-by-step explanation:

5 0
3 years ago
A patient receives 150 cc of medication in an IV drip over 4 hours. What is the rate per hour of this dose?
cupoosta [38]
The average rate is 150 cc/4 hrs=37.5 cc per hour.
6 0
3 years ago
Read 2 more answers
Quadrilateral ABCD has diagonals that are congruent and perpendicular to each other. What classification can be given to ABCD? (
Anuta_ua [19.1K]
The answer to ur question will be a square since all diagonals are congruent and bisect each other at right angles
Note:'this is not applicable for the other quadrilaterals from the given options'
Hope this helps u..!!!
Good luck!
8 0
3 years ago
A pigeon can fly 84 kilometers per hour. how long does the pigeon take to fly 7 kilometers?
Leviafan [203]
84 kilometers ... 1 hour
7 kilometers ... x hours = ?

If you would like to know how long does the pigeon take to fly 7 kilometers, you can calculate this using the following steps:

84 * x = 1 * 7
84 * x = 7      /84
x = 7/84
x = 1/12 hour

Result: A pigeon can fly 7 kilometers in 1/12 hour.
6 0
3 years ago
Read 2 more answers
What is x, i can’t seem to figure it out
Orlov [11]

Answer:

x=12

Step-by-step explanation:

we know the shape is congruent because the 3angles are the same C is 60 for both. E and B are 100 (F rule). G and D are 120 (F rule)

ABCD is i thinkt the word is congruent to the other shape.

from EC and BC we see that bc is twice ec

therefore the scale is by two

6×2=12

4 0
2 years ago
Other questions:
  • A student invested $4200 in certificate of deposit , one at 2% and the other at 3% . Find the amount invested at each rate of th
    12·1 answer
  • What is 4 divided by 6
    5·2 answers
  • Simplify the expressions
    8·1 answer
  • P.S 26 is not the answer I tried it I need help :(
    13·2 answers
  • How much warnings does it take until my account dies.
    9·2 answers
  • If the parent function is fx) = x^3 which transformed function is shown in the graph?
    11·1 answer
  • Pls help me on this question.
    12·1 answer
  • Mia wants to borrow £6000 and repay it, with interest, after two years. she sees two offers for loans: offer 1 compound interest
    13·1 answer
  • The equation of the line passing through the points (−1, 2) and (4, 0) is given by ax + by = 16. What is the value of b?
    11·1 answer
  • Mr. reeves planted 5 beans and 12 tomato plants in his garden. What is the ratio of bean plants to tomato plants ?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!