y+x=1 2x+y=5 x+y=5 solve

Answers

Answer 1

Answer:

x=5-y

Step-by-step explanation:


Related Questions

a car travels at a constant speed for 2 hours. what is that speed miles per hour

Answers

Answer:

Distance/2 hours

Step-by-step explanation:

Distance=Speed times Time, and since the time is 2 hours, we can say Distance=Speed times 2 hours.

Now we divide both sides by 2 hours, resulting in Distance/2 Hours= Speed.

DUBS

Please consider a brainliest!

At a local grocery store, 7 lb of squash cost $14.00
and 4 lb of tomatoes cost $10.00.

Answers

Answer:

1 LB of tomatoes is $2.50 and 1 LB of squash is $2.00

Step-by-step explanation:

Without solving the system of equations how can you
determine if the two systems have the same solution?
3x + 6y = 12
x+y = 7
And
6x +12y = 24
x + y = 7

Answers

Answer:

Step-by-step explanation:

First Pair.

If you divide the top equation by 3 you get

x + 2y = 12

x + y = 7          From that I get that y = 5

Second pair

Do the same thing to the top equation only this time divide by 6

x + 2y = 4                

x + y = 7

If you subtract again you get y = - 3


What is the measure of the angle?

Answers

9514 1404 393

Answer:

  d.  32°

Step-by-step explanation:

Vertical angles are congruent, so ...

  5x +2 = x +26

  4x = 24

  x = 6

  (x +26)° = (6+26)° = 32°

The measure of the angle is 32°.

_____

Additional comment

Vertical angles share a vertex. This means B and E are two names for the same point.

Please Explain How To Solve This

Answers

Answer:

Step-by-step explanation:

domain is always the x-values, the first number of an ordered pair. and yes, the x and y values increase at a constant rate.

problem #1:

x   /   y

-2     -1

-1      -3

0      -5

1       -7

problem #4:

(5, 1) (6, 2) (7, -3) (8, 4) (9, 5)

hope this all helped ;)

mark me brainliest :D

Answer:

listed below

Step-by-step explanation:

x values are domain and y values are range

1) Domain = {-2, -1, 0, 1}

Range = {-7, -5, -3, -1}

4) Domain = {5, 6, 7, 8, 9}

Range = {-3, 1, 2, 4, 5}

The population density of Peru one year was approximately 23 people per square kilometer. Brazil has a land area of approximately 8. 5 million square kilometers. If Brazil had the same population density as Peru that year, approximately how many people were living in Brazil? 370,000 people 2,700,000 people 31,500,000 people 195,500,000 people.

Answers

Answer:

195,500,000 people.

Step-by-step explanation:

8.5 mil times 23 equals 195,500,000

When we round 7.80576 to 3s f, it is equal to:​

Answers

3 SF means you want to include 3 digits including zeros.
So answer is 7.81 (round the zero to 1 as the number after is 5 and above.
In scientific notation it is 7.81 e 0

Which of the following equations have exactly one solution? Choose multiple choices.

Answers

Answer:

-5x+12=5x-5

12=5x+5x-5

12+5=10x

17=10x

17/10=×

If x = 100, what is the value of x(x-4)?

Answers

Answer:

9,600

Step-by-step explanation:

100-4 is 96

96 times 100 is 9600

9600 I’m sure stay safe

PLEASE HELPPP!!!

The graph below shows the time it takes Michael to solve 30 multiplication
flash cards over 7 attempts. By how many seconds did his time improve from
Attempt 3 to Attempt 7? Do not include units in your answer.

Answers

Answer:

24

Step-by-step explanation:

Im not sure by 64-40=24?

What is the value of x? Enter your answer in the box. x =

Answers

Answer:

32

Step-by-step explanation:

The shape in image is an equilateral triangle which means all of it's angles has equal measurements:

2x - 4 = 5y and that is equal to 60 degrees

2x - 4 = 60 add 4 to both sides

2x = 64 divide both sides by 2

x = 32

Help again pls I think it’s D and A or am I wrong some one pls tell me thank you

Answers

It’s A and E, it can’t be D because of this reason.
x-2=4
+2=+2
x=6

You always need to do the opposite of the numbers around the variable so that the numbers cancel out for the variable to be alone.

Just need some help with this one

Answers

Answer:

y = -2/3x + 10/3

Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a recursive formula and an explicit formula to represent it.

1. 0.3, 0.9, 1.5, 2.1

2. 1, 8, 27, 64

Answers

Step-by-step explanation:

an arithmetic sequence is when every new term is created by adding a certain constant to the previous term.

1. is an arithmetic sequence. the constant is 0.6.

0.3 + 0.6 = 0.9

0.9 + 0.6 = 1.5

1.5 + 0.6 = 2.1

...

so, we have

a1 = 0.3

an = an-1 + 0.6

and

an = a1 + (n-1)×0.6 = 0.3 + (n-1)×0.6

2. is neither an arithmetic nor a geometric sequence.

it is simply

an = n³

40.8 divide by 12 pleas find it

Answers

Answer:

40.8 ÷ 12 = 3.4

Step-by-step explanation:

---------

The solution of expression 40.8 divide by 12 is, 3.4

The given numbers to divide are,

⇒ 40.8 divide by 12

Let us assume that, a is divided by b,

Then, it can be written as,

⇒ a / b

Hence, We can write as,

⇒ 40.8 / 12

⇒ 408 / 120

⇒ 3.4

Therefore, The solution of expression 40.8 divide by 12 is, 3.4

Learn more about the divide visit:

brainly.com/question/28119824

#SPJ6

PLEASE HELP IM FAILING

Find the output for the relation with the given input. If there is no possible output for the given input explain why not​

Answers

Step-by-step explanation:

[tex]f(x)=\frac{x}{x-1}[/tex]

To evaluate this function at [tex]x=1[/tex], just substitute 1 in for x:

[tex]f(1)=\frac{1}{1-1}=\frac{1}{0}[/tex]

There is no possible solution at [tex]x=1[/tex] because the value is undefined. You cannot divide by 0.

What is the slope of the function, represented by the table of values below?

Answers

Answer:

B

Step-by-step explanation:

Calculate the slope m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (- 2, 10) and (x₂, y₂ ) = (8, - 10) ← 2 ordered pairs from the table

m = [tex]\frac{-10-10}{8-(-2)}[/tex] = [tex]\frac{-20}{8+2}[/tex] = [tex]\frac{-20}{10}[/tex] = - 2 → B

Which graph best represents the solution set of y + 8/3x > 4

Answers

Which graph best represents the solution set of y + 8/3x > 4 ?

Letter D. is the answer :)

Hope It's Help

What is the solution to this equation?

Answers

Answer:

C

Step-by-step explanation:

324 = 4 [tex](3)^{2x}[/tex] ( divide both sides by 4 )

81 = [tex]3^{2x}[/tex] , that is

[tex]3^{4}[/tex] = [tex]3^{2x}[/tex]

Since bases on both sides are equal, both 3, then equate exponents

4 = 2x ( divide both sides by 2 )

2 = x → C

Triangle ABC is similar to triangle EFD. What
scale factor is required to dilate triangle ABC
so that its image, A'B'C', is congruent to
triangle EFD?

Answers

EFD the the nearest number balance it to 12/15

Question.[Mathematics]

6³ + 6³ = ​

Answers

[tex] \: \: \: \: \: \: [/tex]

[tex] = 432[/tex]

Step-by-step explanation:

[tex] {6}^{3} + {6}^{3} [/tex]

collect like terms

[tex]2 \times {6}^{3} [/tex]

evaluate the power

[tex]2 \times 216[/tex]

multiply the number

[tex] = 432[/tex]

hope it helps

[tex] \: \: \: \: \: \: [/tex]

6^3(6•6•6)=6•6=
36•6=216
6^3(6•6•6)=6•6=
36•6=216
216+216= 432

Pre-Algebra simple question​

Answers

Step-by-step explanation:

multiplication

yep that is the answer

Answer:

multiplication should be used

a football team won 80% of the 150 games in a season. Wright the percent proportion that will help you solve the problem in that point

Answers

The answer would be 30

Help with this and explain please

Answers

Answer:

Step-by-step explanation:

-6x + y  = -6                     Add 6x to both sides

y = 6x - 6                         So the slope of the new line is 6

The point the new line has to go through is (-4,0) That will determine b.

y = 6x - 6

x  = - 4

y = 0

0 = 6*(-4) + b                    Combine

0 = - 24 + b                      add 24 to both sides

24 = b  

Answer:  y = 6x + 24

factorize 27a³b³- 45a⁴b²​

Answers

Blue boxed text is ur answer

- BRAINLIEST answerer

Answer:

9

a

3

b

2

(

3

b

5

a

)

Step-by-step explanation:

kimi is running for student body president. her friend, sarah, already helped by posting 12 of her campaign signs around the school. now kimi id posting the rest at a rate og 1.5 signs per minute. write an equation that shows the total number of signs posted, y, depends on the number of minutes

Answers

the answer: y=1.5x+12

I need this answer also. As fast as possible!!! Please please

Answers

Answer:

See below:

Step-by-step explanation:

The term [tex]f(x)[/tex] is used to show the function of x and is essentially the same as y in some cases. One being right now.

So we know the function [tex]T(n)[/tex] and we know that we want to solve for [tex]T(12)[/tex].

So what we can do, is input 12 as n in the original function.

Therefore, we get [tex]T(12)=\frac{2}{3} (12) + 3[/tex]

Using algebra, we can solve it and we get 11!

Cheers!

Which linear equation represents a line with a slope of -7 and a y-intercept of 12

Answers

Answer:

Answer y = -7x + 12

Step-by-step explanation:

General equation of a line:

[tex] \hookrightarrow \: { \tt{y = mx + c}} \\ [/tex]

m is the slopec is the y intercept

From the question;

m is -7

c is 12

[tex]{ \tt{y = - 7x + 12}}[/tex]

One hundred students are assigned lockers 1 through 100. The students assigned to locker 1 opens all 100 lockers. The student assigned to locker 2 closes all lockers that are multiples of 2. The student assigned to locker 3 changes the status of all lockers ( e.g., locker 3 is open gets closed and locker 6 that is closed gets opened) The student assigned to locker 4 changed the status of all lockers whose multiples of 4, and so on for all 100 lockers. What lockers will be left open?

pls help this is due tmrw

Answers

Answer:

Lockers 1, 4, 9, 16, 25, 36, 49, 64, 81, and 100 are left open!

!!!!!!!!!!!!!!!!!!!!!!!!!#

Answers

[tex]\large\red{┈──┈──┈──┈──┈──┈──┈──┈──┈─}[/tex]

The best option is letter C. t = 2h + 32

C. t = 2h + 32
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