Finish solving the system of equations, y = 7x – 3 and y = –x + 5, using the substitution method.

1. Use substitution to create a one-variable linear equation: 7x – 3 = –x + 5.

2. Solve to determine the unknown variable in the equation: 8x = 8

x = 1

Answers

Answer 1

Answer:

( − 1 /5 ,43 /5 )  

Answer 2

Answer:

I love youuu and thank you for brainiest!

Step-by-step explanation:


Related Questions

please help!!!!!!!

Solve the equation using inverse operations. Check your solutions. In your final answer, include all of your work.

2 + x3 = 18

DO A CHECK TOO!!

Answers

Answer:

Thank you and please rate me as brainliest as it will help me to level up

Imma commit sewer side :p

Answers

Answer:

-1/2

Step-by-step explanation:

Sarah has $400 in a savings account at the beginning of the summer. She wants to have at least $100 in the account by the end of the summer. She withdraws $20 each week for fun. How many weeks can Sarah withdraw money from her account?

Answers

Answer:

15

Step-by-step explanation:

400 - 100 = 300

300 ÷ 20 = 15

Ricardo has 2020 coins, some of which are pennies (1-cent coins) and the rest of which are nickels (5-cent coins). He has at least one penny and at least one nickel. What is the difference in cents between the greatest possible and least possible amounts of money that Ricardo can have?

Answers

Answer:

8072

Step-by-step explanation:

There are 8072 cents between the greatest and least amount Ricardo could have according to the scenario described.

Total number of coins = 2020

The least amount possible :

2019 pennies and 1 nickel

2019(1) + 5 = 2024 cents

The greatest amount possible :

2019 nickels and 1 penny

2019(5) + 1 = 10096 cents

The difference between the greatest and least amount possible :

Greatest amount - Least amount

10096 cents - 2024 cents

Therefore, the difference between the greatest and least amount possible is 8072 cents.

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Is √36 A rational or irrational number

Answers

Answer:

It is a rational number because the [tex]\sqrt{36}\\[/tex] is 6.

Step-by-step explanation:

Answer:

Step-by-step explanation:

Rational

√36 = √(6²) = 6

6 wholes 1/5 - 5 wholes 1/4 + 3

Answers

Answer:

3.95 or 1 1/10

Step-by-step explanation:

i think i forgot how to do this, sorry <3 dont cheat, etc. education is important, u got this <3...i searched it up

Which is the correct definition of a function

Answers

Answer:

A function is a function that passes the vertical line test

Step-by-step explanation:

the vertical line test direction:

draw a line straight down you graph if it hits the x axis two time it not a function

A function is a function which passes the vertical line test.

What is a function?

Function is a type of relation, that maps one input to specific single output.

In mathematics, a function is an expression, rule, or law that describes the relationship between one variable , the independent variable and the dependent variable. In mathematics and the sciences, functions are indispensable for formulating physical relationships.

A Linear function is defined as a function whose graph is a straight line

A a line straight down, graph if it hits the x-axis two times it not a function

A function that passes the vertical line test is known.

Learn more about function here:

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what is the equation in point-slope form of the line that passes through the point (-2,10) and has slope -4

Answers

-3 8 is your answer

Charles has $1600 dollars in his account and makes automatic $400
monthly payments on a utility bill. Write a function using "f(x)=" to
represent the above situation. Do not type any spaces while writing your
equation.

Answers

1600(-400)= f is the y axis and -400 because its taking money from his account

True or false? Jdkdjdjdjjddjds

Answers

Answer:

True

Step-by-step explanation:

To divide fractions, flip one of the fractions then multiply them together.

-1/10 ÷ -3/5 =

-1/10 ÷ -5/3=

-1/10 x -5/3 = 5/30

Because a negative times a negative is a positive the product/quotient is positive.

PLEASE ANSWER THIS ASAP !!!!

Answers

Answer:

use grad formula

Step-by-step explanation:

(4-10)/(46-31)=-2/5

In a trapezium ABCD AB||CD,
<A measures 65°, then <D measures :
75
65°
115
30​

Answers

Answer:

115

Step-by-step explanation:

we need to make the second angle just enough to equal 180, and 65+115=180.

Name a segment parallel to bc

Answers

do you have a picture?
Try AD put a picture next time

oh my god someone just deleted my question when it was a positivity corner with motivational messaged smh!​

Answers

Answer:

Whatttt that person is negative they need that positivity but yet they deleted that positivity corner with a motivational message. Sad

4x - 2 (x-2) = -4 + 5x -13

Answers

Answer:

x = 7

Step-by-step explanation:

Given

4x - 2(x - 2) = - 4 + 5x - 13 ← distribute left side and simplify

4x - 2x + 4 = 5x - 17

2x + 4 = 5x - 17 ( subtract 5x from both sides )

- 3x + 4 = - 17 ( subtract 4 from both sides )

- 3x = - 21 ( divide both sides by - 3 )

x = 7

PLEASE HELP A college student has two different jobs. Her combined work schedules consist of no more than 48 hours in one week.
Which graph best represents the solution set for all possible combinations of the number of hours she worked at her first job, and y, the number of hours she worked at her
second job, in one week?
Answer
А

Answers

Answer:

B

Step-by-step explanation:

everything above 48 is shaded, she has no more than 48 hours

Only the first graph represents the given situation. The correct option is A.

Given:

A college student has two different jobs. Her combined work schedules consist of no more than 48 hours in one week.

To find:

The graph that represents the solution set for all possible combinations of the number of hours she worked at her first job and the number of hours she worked at her second job, in one week.

Explanation:

Let [tex]x[/tex] be the number of hours she worked at her first job and [tex]y[/tex] be the number of hours she worked at her second job, in one week.

Her combined work schedules consist of less than or equal to 48 hours in one week. So,

[tex]x+y\leq 48[/tex]

The number of hours cannot be negative.

[tex]y\geq 0[/tex]

[tex]x\geq 0[/tex]

The related equation is [tex]x+y=48[/tex].

At [tex]x=0[/tex],

[tex]0+y=48[/tex]

[tex]y=48[/tex]

The y-intercept is [tex](0,48)[/tex].

At [tex]y=0[/tex],

[tex]x+0=48[/tex]

[tex]x=48[/tex]

The x-intercept is [tex](48,0)[/tex].

Check the inequality for [tex](0,0)[/tex].

[tex]0+0\leq 48[/tex]

[tex]0\leq 48[/tex]

The above statement is true. It means [tex](0,0)[/tex] is included in the shaded region.

Therefore, the correct option is A.

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What is no-fault insurance?
a.
No-fault insurance provides full coverage for the entire car.
b.
No-fault insurance covers only damages that you did not cause.
c.
No-fault insurance is the default insurance that all drivers receive if they do not wish to purchase a special policy.
d.
No-fault insurance covers medical expenses incurred after an accident, regardless of which driver caused the crash.

Answers

Answer:

D      No-fault insurance covers medical expenses incurred after an accident, regardless of which driver caused the crash.

Step-by-step explanation:

Edge

No-fault insurance pays for medical expenditures regardless of who was at fault.

Option d. is correct.

Define insurance.

Insurance is a way of safeguarding against financial loss. It's a type of risk management that's generally utilized to protect against the danger of a speculative or unpredictable loss.

No-fault insurance pays for medical expenditures incurred as a result of an accident, regardless of who was at fault.

Option d. is correct.

Find out more information about insurance here:

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Tema de jos Va rog frumos Dau coroana instant

Answers

Answer:

wow so much work you got it is 2 3 I can't understand ur writeing

(16x+10) solve for x

Answers

Answer:

x = -5/8

Step-by-step explanation:

16x+10=0

move constant to the right side

16x=-10

then divide both sides by 16

16x/16=-10/16

there's your answer

x = -5/8 or x = -0.625

Math question I need help with it please help me !

Answers

Answer:

96 degrees

Step-by-step explanation:

Answer:

x = 5°

Step-by-step explanation:

Because of the given congruency,

Angle A = Angle D = 50° = 10x

10x = 50

x = 5°

HOPE IT HELPS!!!

Which letter represents the sum of (4+3i) and (-1+i)?
1.) A
2.) B
3.) C
4.) D

Answers

Answer:

B

Step-by-step explanation:

The coordinate that represents the sum of the complex numbers is B , Option 2 is the write answer.

What are Complex Numbers ?

Numbers which can be written in the form a+ib are called complex numbers , i denotes the iota , imaginary number and has the value of √-1 .

The complex numbers given are

(4+3i) and (-1+i)

The sum of complex numbers is

4 +3i -1 +i

3 + 4i

(3,4)

The coordinate that represents the sum of the complex numbers is B , Option 2 is the write answer.

To know more about Complex Numbers

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Write two inequalities for the statement:
A number x is greater than 4, and the same number is less than 9.

Answers

Answer: Here are two inequalities. Hope this is good.

4<x<9

9>x<4

what is this reference:wenlocktoad-sama

Answers

Answer:

oh wenlocktoad is a game developer on reblax

Write the following situation in slope intercept form - y=mx+b

I bought some shirts at the store for $9 each and received a $25 discount. a
y = 25x + 9
b
y = -25x + 9
c
y = 9x + 25
d
y = 9x -25

Answers

I think the answer is C

Which of the following are exterior angles? Check all that apply. 3 2 A. 26 [ B. 24 C. 75​

Answers

Answer:

E and A

Step-by-step explanation:

what is the
[tex] \sqrt{95} [/tex]

Answers

Answer:

9.746794345

Step-by-step explanation:

Hope This Helps!

who sings, THE KID FRANKIE.

Answers

Answer:

frankie

Step-by-step explanation:

Answer:

wiz khalifa

Step-by-step explanation:

yeah

what’s the percent increase from 6.2 to 9.1?

Answers

Answer:

46.774194%

Step-by-step explanation:

6.2 → 100%

1 → (100/6.2)%

9.1 → ((100/6.2)x9.1)% = 146.774194%...

percentage increase = 146.774194% - 100% = 46.774194

Jasmine took four 20 point quizzes in her math class. If her scores were 18, 15, 20, and 15, what was her mean quiz score?

(mean = average)

Answers

ANSWER:
17

EXPLANATION:
1st: to find the mean you add all the numbers
2nd: divide by how many numbers there are
So basically 18+15+20+15 then divide by 4 because there are 4 numbers and once you do that it is 17

Hope this helps!!!

PLEASE HELP ASAP

Simplify the expression 1/2x^2 - 4x - 2/x

Answers

Answer: A

Step-by-step explanation:

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