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
klio [65]
3 years ago
13

Solve the system of equations by the addition method. 5x + 2y = 1 2x - 2y = -8

Mathematics
1 answer:
dolphi86 [110]3 years ago
3 0

Answer:

(-1, 3)

Step-by-step explanation:

5x + 2y = 1

+

2x - 2y = -8

7x = -7

x= -1

2(-1) - 2y = -8

-2 - 2y = -8

-2y = -6

y = 3

You might be interested in
What is the explict formula for this sequence 5, 10, 20, 40, 80, 160, ...
Tcecarenko [31]

Step-by-step explanation:

as we see in the sequence, each term is twice of the previous term.

we mark the Nth as a(N), then:

a(N)=2a(N-1)

3 0
2 years ago
Read 2 more answers
What is the sum or difference of 517 37/50 + 312 3/100
Romashka [77]
The sum is 829.77, and the difference is 205.44
8 0
3 years ago
Can someone explain how to even do this, I literally just don't get it ​
kolezko [41]

Answer:

It is an isosceles triangle (side FE = FG)

Therefore the base angles are equal.

75 degrees = 2x degrees

x = 75 / 2 = 37.5 degrees

Step-by-step explanation:

3 0
2 years ago
There are eight members of a jazz club who are listed below. A concert director can choose some or all of them to be part of a l
bagirrra123 [75]

Answer:

40320 ways

Step-by-step explanation:

Given

Members = 8

Required

Number of ways they can be selected

Since, the order does not matter;

They can be selected in 8! ways

8! = 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1

8! = 40320\ ways

<em>Hence, there are 40320 ways which the director can select them for the concert</em>

8 0
3 years ago
How would I find the length or width using area
RUDIKE [14]
I hope that this helps you.

4 0
3 years ago
Other questions:
  • 4.2 m = _____ ft? Help meeeeee
    5·2 answers
  • HEllllppppppppoop!!!!!!!!!!!!!!!!!!!!!!!
    7·1 answer
  • At the local dairy farm, Kareem buys a 32-oz container of yogurt for $2.56. Jonah buys a 6-oz container of yogurt for $0.48. Are
    11·1 answer
  • What’s the missing angle
    7·2 answers
  • What is 15.09 ÷ 0.01 = _______<br><br> This is a 5th grade question
    6·2 answers
  • Solve the system of equations.<br> ​ <br> −5x−3y−9=0<br> 4x−18y−54=0<br> y=? x=?<br> ​
    8·1 answer
  • A submarine sits at –300 meters in relation to sea level. Then it descends 115 meters. What is its new position in relation to s
    13·2 answers
  • Solve for thr length of a leg​
    12·1 answer
  • I need help ASPA 100 PTS.
    12·1 answer
  • What is the surface area of the rectangular prism?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!