Solve by Elimination:
x - 2y = 4
X - 1y = 2


its urgent

Answers

Answer 1

Answer:

x = 0 and y = -2

Step-by-step explanation:

x - 2y = 4 and X - 1y = 2

you mentioned elemination aka substraction

so you when substract x - x =  0  -2y -( -y) = -y and 4 -2 = 2

so - y = 2

or y = 2

now substitute the numbers

x + 4 = 4

x = 0

and try it with one of the equation  or sometimes trying on both of them can be very helpful


Related Questions

what is 3/4b>15 solution

Answers

The solution set of the given inequality is  {b| b > 20}.

How to solve the inequality?

Here we have the inequality (3/4)b > 15 and we want to solve it. To do so, we just need to isolate the variable b.

And to do it, we can work with this like we would do with any equation, we can just multipy both sides by (4/3) so we get:

(4/3)*(3/4)*b > 15*(4/3)

b > 20

Then the solution set can be written as {b| b > 20}

That is the set of all values larger than 20.

Learn more about inequalities at:

https://brainly.com/question/24372553

#SPJ1

Hi! need help asap xx

Answers

Answer:

C

Step-by-step explanation:

The 3 triangles are all similar.

Using the 2 inside then the ratios of corresponding sides are equal, that is

[tex]\frac{x}{3}[/tex] = [tex]\frac{12}{x}[/tex] ( cross- multiply )

x² = 36 ( take the square root of both sides )

x = [tex]\sqrt{36}[/tex] = 6 → C

Answer:

C) x = 6

because this is a right triangle

=> we have:

(12² + x²)(3² + x²) = (15x)²

<=> 1296 + 153x² + x⁴ = 225x²

<=> x⁴ - 72x² + 1296 = 0

<=> (x² - 36)² = 0

<=> x² = 36

=> x = 6

three to the fifth power
answer please​

Answers

Answer:

243

Step-by-step explanation:

Answer:

243

Step-by-step explanation:

earth takes 6 seconds to travel 114 miles around the sun. How fast does the earth travel around the sun in miles per second

Answers

Answer: 19

Step-by-Step explanation:

So I am assuming that you should divide 114 divided by 6 which will leave you with the answer of 19.

1/4=something 8 plz help me

Answers

Answer:

1/4 = 0.25

Step-by-step explanation:

Answer:

2/8

Step-by-step explanation:

i don't know what to put here but 1/4 is = to 2/8

Scott can you help I am confused... Naviah buys at least 8 but no more than 12 gallons of gas each week. The price of gas ranged from 2.25 to 2.50 per gallon each week. Write a compound inequality to model all of the possibilities amount of money (m) Naviah spends on gas each week.

Answers

Answer:

Amount of money Naviah spends each week  is ranged from 18 to 30

( 18 ≤ m ≤ 30 )

Step-by-step explanation:

Let Naviah buys gas each week = x gallons

As given,

Naviah buys at least 8 but no more than 12 gallons of gas each week.

⇒8 ≤ x ≤ 12

Now,

Let the price of gas each week  = p

As given,

The price of gas ranged from 2.25 to 2.50 per gallon each week.

⇒2.25 ≤ y ≤ 2.50

Now,

Amount of money spend (m) = (Total gas buy)(Price of gas)

                                              = xy

⇒ m = xy

Now,

we have

8 ≤ x ≤ 12 and 2.25 ≤ y ≤ 2.50

Multiply both the inequality , we get

8×2.25 ≤ x.y ≤ 12×2.50

⇒18 ≤ xy ≤ 30

⇒18 ≤ m ≤ 30

∴ we get

Amount of money Naviah spends each week  is ranged from 18 to 30.

Layla was out at a restaurant for dinner when the bill came. Her dinner came to $9. After adding in a tip, Before tax, she paid $10.80. Find the percent tip.

Answers

Answer: 12%

Step-by-step explanation:

Xavier fills a rectangular prism with 12-centimeter cubes. The base of the prism measures 5 centimeters by 3 centimeters, and the height of the prism is 6 centimeters.
Which statement is TRUE?

A: Xavier will use 90 cubes to fill the prism
B: Xavier will use 60 cubes on the bottom layer
C: It will take six layers of cubes to fill the prism
D: The prism will have a perimeter of 15 centimeters around the base

Answers

Answer:

I tried A.

Step-by-step explanation:

It's all like a fraction & multiplication type answer im if wrong correct me!

Answer:

i feel like it would be B

Step-by-step explanation:

Hopefully this helps!!!

An item has an original price of $45, it is discounted 25%. What is the new price?

Answers

25% off $45 is $33.75

Pls help find x in both

Answers

Answer:

Step-by-step explanation:

In similar triangles, corresponding sides are in same ratio

[tex]\frac{28}{24} = \frac{3x-9}{x +8}\\\\\frac{7}{6}=\frac{3x-9}{x+8}\\[/tex]

Cross multiply,

7*(x + 8) = 6*(3x -9 )

7x + 7*8 = 6*3x - 6*9

7x +  56   = 18x - 54

          56 = 18x - 7x -54

          56 = 11x - 54

         11x - 54 = 56

               11x  = 56 +54

                11x = 110

               x = 110 /11

x = 10

PR = 3x -9

     = 30 - 9

PR = 21

Can you divide any number by zero?

Answers

Answer:

well basically no so i say no

Step-by-step explanation:

you can but you wouldn't get a answer because you would only get the same answer so..

Answer:

When we try to divide by zero, things stop making sense

Step-by-step explanation:

Would it be better to have a higher interest rate on a loan or on an investment? Explain.

Answers

Answer:

When a company borrows money it is better to have a low interest rate. The lower the interest rate, the less amount of money the company has to pay back as interest on the loan.

Step-by-step explanation:

Is it better to have a higher interest rate when a company borrows money or to have a lower interest rate?

a reflection of the pink triangle is shown. which transformation makes this reflection

Answers

Answer:

A reflection is a transformation representing a flip of a figure. Figures may be reflected in a point, a line, or a plane. When reflecting a figure in a line or in a point, the image is congruent to the preimage. A reflection maps every point of a figure to an image across a fixed line.

Determine whether the graph represents a function. Explain.

Answers

Answer:

it does not represent a function

Step-by-step explanation:

it is not liner

Answer:yes

Step-by-step explanation:

each x value has one y value

Help guys I really need it​

Answers

Answer:

yes it does

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

8.
Look at this figure.
It has one triangle and one rectangle. True or false?
True
False
Checkin
skip

Answers

Answer:

true

Step-by-step explanation:

the triangle is on top of the rectangle

Answer:

ture because it has one of each

Step-by-step explanation:

so like that

Wesley drives 12 miles to work every day. During his drive to work he sees 18 billboards. Which ratio shows miles driven to billboards seen by Wesley?

Answers

Answer:

2:3

Step-by-step explanation:

divide both by 6.

Can someone help me with this please
I’ll mark as brainliest

Answers

The answer is C......

There of the ABCD are given. fine the coordinates of point D. A(3, 6) B(6,3) D(x, y)

Answers

Answer:

A. (3,2) . I recommend using desmos to find the coordinates

9514 1404 393

Answer:

  A.  (3, 2)

Step-by-step explanation:

The midpoints of the diagonals are the same point, so you have ...

  X = (A +C)/2 = (B +D)/2

  A +C = B +D . . . . . . . multiply by 2

  A +C -B = D . . . . . . . subtract B

The coordinates of D are ...

  D = (3, 6) +(6, 3) -(6, 7) = (3+6-6, 6+3-7)

  D = (3, 2)

pls help me i need to write this for an exam
Describe how you determine the sign of the sum,difference,product,and quotient of two integer numbers

Answers

13 nehrdjyyk ivihudkihpyvkjj ty

Answer:

i would ask someone else sorry

Step-by-step explanation:

what is the answer to this question​

Answers

Answer:

it would be c. 5 1/4

Step-by-step explanation:

The correct answer would be C

Help please? :) I need some help !!!!!!!!!

Answers

Answer:

i gotchu step sis u need help with them laundry's

Step-by-step explanation:

Answer:

Answer:

answer is 8

Step-by-step explanation:

put the equations equal to each other

then simplify

it is bcz of a angle type of parallel lines

corresponding angle

Step-by-step explanation:

Help me please! Thank you =D

Answers

Answer:

2A=A+A

Step-by-step explanation:

2A=A*A, not A+A

2A = A + A

hope this helps :)

HELP MEEEEEEEEEEEEE!!!!!!!!!!!!!!!!

Answers

Answer:

linear or Quadratic

i hope it works

answer: quadratic

you know it’s a quadratic when the second difference is the same number
so

the first difference is:
0 to -3 is -3
-3 to -4 is -1
-4 to -3 is +1
-3 to 0 is + 3

the second difference is:
-3 to -1 is +2
-1 to 1 is +2
1 to 3 is +2

since the second difference is always +2
the function is QUADRATIC

7 times m help helpp

Answers

7*m = 7m i think this is right
Yes 7 x m is equal to 7m

HELP!PLS ANSWER THIS BY TODAY AND TMR
Write a story to represent 15 divided by 19 solve the equation in a complete story
Next when your done what multiplication equation shows that your division is correct
Pls answer this I will give a brainly to the best!

Answers

It equals 0.7894737 that’s the answer

What is the solution to the following system of equations:

7x+2y=24
8x+2y=30

Answers

Answer:

(6,-9)

Step-by-step explanation:

Answer:

x=6 y=-9

Step-by-step explanation:

- 11 2/3 x (-4 1/5)=?

Answers

if you use photomath and show your question its easier but i got 49

Sarah has to pay a one-time $300 deposit for her apartment. Each month she pays $700 for rent. How much would Sarah pay for “n” months?

Answers

Answer:

I don't know.

Step-by-step explanation:

1.Find Each of the following angle measures. Round your answer to the nearest degree. Show your work in the space below
Please help meeeeee

Answers

Answer:

a. m<DAB = 36°

b. m<B = 54°

c. m<C = 74°

Step-by-step explanation:

a. m<DAB = m<CAB + m<CAD

m<DAB = 20° + 16° (substitution)

m<DAB = 36°

b. m<B = 180° - (90° + m<DAB)

m<B = 180° - (90° + 36°) (substitution)

m<B = 54°

c. m<C = 180° - (90° + m<CAD)

m<C = 180° - (90° + 16°) (substitution)

m<C = 74°

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