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
elena55 [62]
3 years ago
15

What is the solution of the system of equations? 2x-y=7 Y=2x+3

Mathematics
1 answer:
Arturiano [62]3 years ago
4 0

Answer:

No solution

Step-by-step explanation:

2x -y =7

y= 2x +3

  1. Substitute the y value. <em>2x-(2x+3)=7 or 2x -2x-3=7 </em>
  2. Eliminate opposites <em>2x <u>-2x</u>-3=7 >>>> -3=7</em>
  3. Answer <em>-3= 7</em> ( false)
You might be interested in
The sum of the first n terms of an arithmetic sequence is n/2(4n + 20).
lesantik [10]

Answer:

(a).

S_{n} =  \frac{n}{2} (4n + 20) \\  \\S _{n - 1} =  \frac{(n - 1)}{2} (4n - 4 + 20) \\  \\ S _{n - 1} =  \frac{(n - 1)}{2} (4n + 16) \\  \\S _{n - 1} = \frac{(n - 1)(4n + 16)}{2}  \\   \\  { \boxed{S _{n - 1} =  {2 {n}^{2} + 6n - 8}}} \\

(b).

from general equation:

S _{n - 1} =  \frac{(n - 1)}{2} (4n + 16)

first term is 4n

common difference:

16 =  \{(n - 1) - 1 \}d \\ 16 = (n - 2)d \\ d =  \frac{16}{n - 2}

8 0
3 years ago
Absolute value of 13
natima [27]

Answer:

13.

Step-by-step explanation: the absolute value is the distance away from 0 a number is. 13 is 13 numbers away from 0. the absolute value of negative 5 would simply be 5 since it is still 5 units away from zero, even though it is a negative number.

6 0
3 years ago
Find the area for the circle below<br>A. 61.42<br>B. 36.25<br>C. 78.54<br>D. 108.85​
Lorico [155]
C
Source: trust me bro
8 0
3 years ago
HELP URGENTLY NEEDED STUCK ON THIS FOR 2 DAYS!!!!! LOTS OF POINTS FOR PERSON WHO HELPS!!!
trapecia [35]

Answer:

A

Step-by-step explanation:

2b meaning two times the age then add three like the question says.

6 0
3 years ago
What is the absolute value of -3?<br><br><br> 3<br> - 1/3 <br> -3<br> 1/3
Nezavi [6.7K]
The absolute value of -3 is 3 and -3 so both would be right
5 0
3 years ago
Other questions:
  • How do you make a fortune teller
    10·1 answer
  • What is 24 divided by 83
    15·2 answers
  • What is 5 and 39/50 as a improper fraction
    8·1 answer
  • Use the information given to find a convenient class width. Then list the class boundaries that can be used to create a relative
    15·1 answer
  • Complete the statement: 0.6L =______mL.<br><br> A. 600<br><br> B. 0.06
    10·2 answers
  • Dyna has ran 3 km of her race. If she is 65% of the way done. how long is the race altogether? Round to the nearest tenth.
    15·1 answer
  • Two towns that are 31.5 km apart are 3 cm apart on a map. what is the scale of the map?
    9·2 answers
  • Is (3,-1) a solution of this system: y=2-x 3-2y=2x
    12·1 answer
  • Solve the equation for the specified variable.<br> T= BA-9, for B<br> What does b=
    10·1 answer
  • A total of 620 tickets were sold for the school play. They were either adult tickets or student tickets. There were 70 more stud
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!