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
zaharov [31]
3 years ago
13

Solve each system of equation by substitution y=-x+5 x+2y=2​

Mathematics
1 answer:
Likurg_2 [28]3 years ago
3 0

Answer:

x = 8

y = -3

Step-by-step explanation:

Given :

y = -x + 5 ...................... equation 1

x + 2y = 2 ........................ equation 2

solving the system of linear equation by substitution method , substitute equation 1 into equation 2 , that is

x + 2(-x+5) = 2

x - 2x + 10 = 2

-x + 10 = 2

collect the like terms

10 - 2 = x

therefore :

x = 8

substitute x = 8 into equation 1 to find the value of y , that is

y = -8 + 5

y = -3

Therefore :

x = 8

y = -3

You might be interested in
Zalma’s stock investment in March was $120. In October, it was $400.
Goryan [66]

Answer:

In December, Zalma will have $480.

Step-by-step explanation:

The time from March to October is 7 months. In those 7 months, she gains $280. So every month, her investment gains $40.

The time from March to December is 9 months. She will gain $360 during that time. We add her initial $120 with the $360, and Zalma will have $480.

It's not confirmed, but it's what I got. :D

8 0
2 years ago
Read 2 more answers
2 3/4-3 3/8÷4 1/2 plus show ur work
sladkih [1.3K]

Answer:

149/60

Step-by-step explanation:

11/4-27/8*1/4*1/2

11/4-27/64

149/64

8 0
3 years ago
Select all the correct ratios.
erastova [34]

Answer:

48:42,16:14,56:49 is the write

answer......

6 0
3 years ago
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
pogonyaev

By using the general equation for a circle, we will see that the correct options are:

  • 1) This is a circle centered at (-3, - 5) with a radius of 4 units.
  • 2) The center is (-3, 5) and the radius is 2 units.
  • 3) The center is (3, 5) and the radius is 2 units.
  • 4) This is a circle centered at (3, - 5) with a radius of 4 units.

<h3>How to write a circle equation?</h3>

For a circle of radius R and center (a, b), the equation is given by:

(x - a)^2 + (y - b)^2 = R^2

With that in mind, if we look at the first equation:

(x + 3)^2 + (y + 5)^2 = 16 = 4^2

This is a circle centered at (-3, - 5) with a radius of 4 units.

For the second equation:

(x + 3)^2 + (y - 5)^2 = 4 = 2^2

The center is (-3, 5) and the radius is 2 units.

The third equation is:

(x - 3)^2 + (y - 5)^2 = 4 = 2^2

The center is (3, 5) and the radius is 2 units.

The fourth equation is:

(x - 3)^2 + (y + 5)^2 = 16 = 4^2

This is a circle centered at (3, - 5) with a radius of 4 units.

If you want to learn more about circles, you can read:

brainly.com/question/14283575

7 0
2 years ago
The width of a rectangle is 20 inches. What must the length be if the perimeter is at least 180 inches?
Sidana [21]
20x2 = 40 in width
180-40= 140
140/2=70
70 inches
3 0
3 years ago
Read 2 more answers
Other questions:
  • If y varies directly as x, and y is 6 when x is 72, what is the value of y when x is 8? A) 1/9 B) 2/3 C) 54 D) 96
    12·1 answer
  • Can someone pls help ASAP
    9·1 answer
  • Please help me I don’t understand how to do this
    5·2 answers
  • NEED HELP FAST I WILL MARK BRAINLYEST
    10·2 answers
  • Write the equation of the line in slope-intercept form using y=mx+b​
    15·1 answer
  • here are the score that Jenna has received on her seven quizzes 16 13 20 16 12 17 18 what is the mean
    14·1 answer
  • In which group on the Periodic Table does the atom pictured belong?
    6·1 answer
  • A diver is currently at an elevation of -380 feet. Write an absolute value statement to express the diver's distance, in feet, f
    5·1 answer
  • Please help me with a math question ASAP!!! Will give Brainliest
    10·2 answers
  • PLS ANSWER FAST!! WILL GIVE BRAINLIEST!!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!