solve by substitution y - 3x = 2, x - 2y = -6

Answers

Answer 1

y=2+3x

putting value on second equation we get..

x-2(2+3x)=-6

x-4+6x=-6

7x=-2

×=-2/7

& y=2+3(2/7)

y=2+0.87

y=2.87..Ans..

Answer 2

Answer:

x= 2/5

y= 3.2

Step-by-step explanation:

y-3x=2

y=3x+2

replace y with 3x+2 in second equation;

x-2(3x+2)= -6

x- (6x+4)= -6

x-6x-4= -6

-5x-4+4=-6+4

-5x= -2

x= 2/5

y=3x+2

y=(3×2/5) +2

y= 3.2


Related Questions

1. Jared has portrait in shape of a square. One side length, in inches, is the sum of 7 and L

Jamilah also has a portrait in shape of a square. The length of one side is 3 inches longer

than one side of Jared's portrait. What is one side length of Jamilah's portrait?

Answers

Answer:

7 + L + 3 = L + 10

Step-by-step explanation:

In ΔLMN, l = 810 cm, m = 620 cm and ∠N=166°. Find the length of n, to the nearest centimeter.

Answers

Answer: 1420

Step-by-step explanation:

Consider the equation x^2-x-20=0
NEED HELP ASAP!!! Will mark brainlyist

Answers

Will help you asap......

Answer:

x=−4 or x=5 This is the awnser to x^2-20=0

which function is the inverse of y=2^x

Answers

Answer:

The inverse of

y

=

2

x

is

y

=

log

2

x

Explanation:

This is how to do it.

From the given

y

=

2

x

interchange the variables so that

x

=

2

y

then solve for y:

x

=

2

y

take the logarithm of both sides with base

=

2

log

2

x

=

log

2

2

y

log

2

x

=

y

and

y

=

log

2

x

The graph of

y

=

2

x

and its inverse

y

=

log

2

x

. They are symmetric with the line

y

=

x

graph{(y-2^x)(y-log x/log 2)(y-x)=0[-20,20,-10,10]}

An is an operation that reverses the effect of another operation.

Answers

Answer:

Inverse operation

Step-by-step explanation:

Basically it is an operation that reverses the effect of another operation.

25^-1.5 ?????????? Help

Answers

0,00304585
That’s the answer

Answer:

25^-1.5=0.008

Step-by-step explanation:

Find the value of y
y
+
59

Answers

this is an isosceles triangle: y is the same value as 59:

59 = y


(and if it asks later, 180 - 59 - 59 = x, x = 62)

mark me as brainliest pls :)

Can someone help please

Answers

Answer:

50

Step-by-step explanation:

20+20=40

5+5=10

40+10=50

Answer: P=50

Step-by-step explanation: 20 m = length and 5 m = width

Solution:

P=2(l+w)=2·(20+5)=50

So the perimeter is 50

100 points ! What is the area of the following composite figure? All angles are right angles.

24 m^ 2
27 m ^2
29 m^ 2
22 m^ 2

Answers

Answer:

24m²

Step-by-step explanation:

..,.................

Area = 5*4+2*1+2*1

Area = 20+2+2

Area = 24m²

Answer:

24 m^2

Step-by-step explanation:

We need to study the structure well

We can find the magnitude of the big rectangle. We will need to find the total length and total breadth of the big rectangle

Then we remove the area of the four squared cut out from the big rectangle.

Total length of the rectangle is 5+1+1=7m

Then the length of the breath of the rectangle is 2+1+1=4m

So area of rectangle is given as length × breadth

Area= l×b

Area=7×4=28m²

Area of the big rectangle is 28m²

Then the squared is made of dimension 1m by 1m

Area of a square is s²

Then, a=1m

Area of the square= 1²=1m²

There are four squared side

Then, the total area of the four squared is 4×1=4m²

Then the required area is

Area=Total area - area of four squared side

Area=28m²-4m²

Area =24m²

Area of the figure is 24m²

The correct option is A.

Paul built a triangular garden in his backyard, which is enclosed by a rectangular fence. How much of the backyard is not covered by the garden

Answers

Answer: 476m²

Step-by-step explanation:

Find the area of the triangle and then subtract it from the area of the rectangle.

Area of triangle = 1/2 * base * height

= 1/2 * 8 * 6

= 24m²

Area of rectangle:

= Length * Width

= 25 * 20

= 500m²

Area not covered by garden:

= 500 - 24

= 476m²

PLEASE PLEASE HELP. I will make you brainlest.

Answers

Answer: 15 √ 2

Step-by-step explanation:

Equilateral triangles have three equal side lengths, three equal angles of 60 degrees, and three equal altitudes.

You would think that the height of an equilateral triangle would also be equal to it's sides, but it's not. The formula for height is: side/2 x √3

10√6 / 2 * √ 3 = 15 √ 2

The decimal form: 21.2

Find the proper answer

Answers

I think the answer is C

what percent of 82 is 9.75. Round your answer to the nearest tenth

Answers

Hi there!

8 would be the nearest ten of 7.995..

1.Multiply 82 with 0.01:

[tex]82[/tex]·[tex]0.01=0.82[/tex]

2.Multiply the terms:

[tex]0.82[/tex]·[tex]9.75=7.995[/tex]

3.Round the term:

[tex]7.995=8[/tex]

Therefore, 82% of 9.75 in nearest tenth is 8.

How can we make a quadratic function one-to-one? Write the process down below.

Answers

Answer: Quadratic Function: A function with the highest power of variable as 2.

Vertex: The lowest or highest point on the graph of a quadratic function.

Two Types of Problems: Finding quadratic function (a) given the vertex and another point; and (b) given three points.

Step-by-step explanation:

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flip














honey i'm home

Answers

Answer:

W t f

Step-by-step explanation:

                  .d88888888bo.

                .d8888888888888b.

                8888888888888888b

                888888888888888888

                888888888888888888

                 Y8888888888888888

           ,od888888888888888888P

        .'`Y8P'```'Y8888888888P'

      .'_   `  _     'Y88888888b

     /  _`    _ `      Y88888888888888888b

  _  | /  \  /  \      8888888888.d8888888888b

 d8b | | /|  | /|      8888888888d88888888888b

8888_\ \_|/            d888888888888888888888b

.Y8P  `'-.            d88888888888888888888888

/          `          `      `Y88888888888888888888

|                        __    888888888888888P

\                       / `   dPY8888888888P'

 '._                  .'     .'  `Y888888P`

    `"'-.,__    ___.-'    .-'

          `-._````  __..--'`

3.5(2.25 + x) = 14
x=

Answers

Answer:

x = 1.75

Step-by-step explanation:

Given

3.5(2.25 + x) = 14 ( divide both sides by 3.5 )

2.25 + x = 4 ( subtract 2.25 from both sides )

x = 1.75

Answer:

iho7v078f0

Step-by-step explanation:

round 34 1/8 to the nearst whole number​

Answers

Answer:

34

Step-by-step explanation:

Because it is a mixed fraction, it tells us the whole number already. After that, we need to look at the actual fraction part and decide if it's large enough to round the whole number up. 1/8 is not, so we keep the whole number at 34

Answer:

That would be 34

Hope that helps!

Step-by-step explanation:

A marshmallow bag cost $1.50 how much would 4 bags cost

Answers

Answer:

$6

Step-by-step explanation:

1.50 * 4

6

Hope it is useful

Answer:

6 dollars

Step-by-step explanation:

$1.50 * 4

PLEASE HURRY IM ALREADY HAVING AN AWFUL DAY :)
WILL. GIVE BRAINLIEST

Answers

Answer:

3   4   1

Step-by-step explanation:

Meghan made $458 in her last paycheck if she would like to save at least $175 of it, how much can she spend

Answers

Answer:

283

Step-by-step explanation:

458-175=283

and you have your answer.

Please help, it would really make my day! I’ll give branliest if it’s correct! :-)

Evaluate 4a when a=7
The value is:

Answers

Answer:

28

Step-by-step explanation:

Joanna, Mary, Betty, and Leah ran a race. Joanna's time was 13.03 seconds, Mary's was 13.284 seconds,
Betty's was 13.62 seconds, and Leah's was 13.9 seconds. In what order did they finish? Who won

Answers

Answer:

1st-joanna

2nd-Mary

3rd-Betty

4th-leah

Step-by-step explanation:

joanna won the race

Answer:

Joanna won followed by Leah ,then Betty and lastly Marry

or miki5 $ 5.15
There were 41 tickets sold for an event. Tickets for children cost $1.50 and tickets for adults cost $2.00.
Total receipts for the event were $73.50. How many of each type of ticket were sold?
-
How many type of tickets were sold?

Answers

Yes I have to go back home with type and I’m not

Can anyone please give me an example of a polynomial with nine roots?

Answers

Answer:

Step-by-step explanation:

x^9 + 3x^8 +2x^7 +4=0

Hey,I'm not sure enough...i guess if the highest power is 9 then we get 9 roots..sorryvif I'm wrong:')

2x - 3 > -4x + 6 whats the answer to this

Answers

Answer:

x > 3/2

Step-by-step explanation:

2x - 3 > -4x + 6

Add 4x to each side

2x+4x - 3 > -4x+4x + 6

6x-3 > 6

Add 3 to each side

6x-3+3>6+3

6x>9

Divide each side by 6

6x/6 >9/6

x > 3/2

What is m
Enter your answer in the box

Answers

Answer:

m = 2

Step-by-step explanation:

∠ GLI = 90°

∠ GLH + ∠ HLI = ∠ GLI , that is

9m + 25m + 22 = 90

34m + 22 = 90 ( subtract 22 from both sides )

34m = 68 ( divide both sides by 34 )

m = 2

Then

∠ HLG = 9m = 9 × 2 = 18°


Write in standard form
823000000

Answers

Answer:

8.23 × 10^8

Step-by-step explanation:

count how many spaces there are between the first number and the last number. standard form is between 1-10

The answer is 8.23000000 x 10^8

The sum of Mrs. son's age and her age was 70 two years ago Q's age was 5 less than twice her son's age . Write a system and solve to find their ages

Answers

Step 1: Set up a table.

Algebra Age Problems

Step 2: Fill in the table with information given in the question.

John is twice as old as his friend Peter. Peter is 5 years older than Alice. In 5 years, John will be three times as old as Alice. How old is Peter now?

Let x be Peter’s age now. Add 5 to get the ages in 5 yrs.

Algebra Age Problems

Write the new relationship in an equation using the ages in 5 yrs.

In 5 years, John will be three times as old as Alice.

2x + 5 = 3(x – 5 + 5)

2x + 5 = 3x

Isolate variable x

x = 5

Answer: Peter is now 5 years old.

A cheeseburger and fries are $14.95 with a discount of 15%. What is the amount of discount and the sales price?

Answers

Answer:

12.7075

Step-by-step explanation:

Answer:

I would go on quizlet and find the answer

Step-by-step explanation:

Expand: y(0.5 +8)
Expand: 4(3+4x-2)

Answers

Answer:

.5y+8y=

8.5y

12+16x-8=

16x+4

Step-by-step explanation:

use the distributive property to solve the equation then simplify and combine like terms

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