# Solve the following system by substitution. m+n=5 and 5m+5n=25. solve.

3 answers

## Answers

Infinitely many solutions (x ∈ R)

Step-by-step explanation:

[tex]\left\{\begin{array}{ccc}m+n=5&\text{subtract}\ n\ \text{from both sides}\\5m+5n=25\end{array}\right\\\\\left\{\begin{array}{ccc}m=5-n&(1)\\5m+5n=25&(2)\end{array}\right\qquad\text{put (1) to (2):}\\\\5(5-n)+5n=25\qquad\text{use the distributive property}\\\\(5)(5)+(5)(-n)+5n=25\\\\25-5n+5n=25\qquad\text{cancel}\ 5n\\\\25=25\qquad\bold{TRUE}[/tex]

which expression represents the approximate length of bc?

step-by-step explanation:

Cis your correct answer

#### Similar Solved Works

3 answers

### Why would you expect sodium (na) to react strongly with chlorine (cl)? 1. they both need to lose one electron. 2. they both

Why would you expect sodium (na) to react strongly with chlorine (cl)? 1. they both need to lose one electron. 2. they both need to gain one electron. 3. sodium needs to lose one electron, and chlorine needs to gain one electron. 4. sodium needs to gain one electron, and chlorine needs to lose one ...

10 answers

### Gd Morning everyone! HAPPY FRIDAY. How is everyone today

Gd Morning everyone! HAPPY FRIDAY. How is everyone today...

4 answers

### Plz help I don’t understand

Plz help I don’t understand [tex]Plz help I don’t understand[/tex]...

3 answers

### Janet deposited $9,600 into an account that pays 4.4 interest, compounded daily. at the

Janet deposited $9,600 into an account that pays 4.4 interest, compounded daily. at the end of nine months, how much interest has she earned...

4 answers

### A set of computers that are connected together so that they can share information

A set of computers that are connected together so that they can share information...

4 answers

### PLEASE HELP WITH THIS ONE QUESTION

PLEASE HELP WITH THIS ONE QUESTION [tex]PLEASE HELP WITH THIS ONE QUESTION[/tex]...

3 answers

### How does Paul Rusesabagina feel about the differences between Hutus and Tutsis? Use the CER Model -

How does Paul Rusesabagina feel about the differences between Hutus and Tutsis? Use the CER Model - Claim / Evidence / Reason to support your answer....

4 answers

### Find the slope of the line $5x + 2y + 9 = 0$.

Find the slope of the line $5x + 2y + 9 = 0$....

7 answers

### Based on the passage and what u have learned in the lesson, write three to four sentences explaining

based on the passage and what u have learned in the lesson, write three to four sentences explaining whether dipping letters in vinegar to prevent the spread of yellow fever was a good conclusion...

3 answers

### Please help will give Brain

Please help will give Brain [tex]Please help will give Brain[/tex]...

3 answers

### Fred walks toward jon's house at 4 mi/h. jon leaves his house at the same time and walks towards fred's house on the same

Fred walks toward jon's house at 4 mi/h. jon leaves his house at the same time and walks towards fred's house on the same path at a rate of 2 mi/h. how long will it take before they meet if the distance is 6 miles?...

10 answers

### Step by step , ill give brainliest to the right person find the distance between points m ( 6 , 16 ) and z ( − 1 , 14

Step by step , ill give brainliest to the right person find the distance between points m ( 6 , 16 ) and z ( − 1 , 14 ) to the nearest tenth...

3 answers

### Which of the statements below was not true of the United States by the year 1900?AThe rise of industry had led to rapid urbanization

Which of the statements below was not true of the United States by the year 1900? A The rise of industry had led to rapid urbanization (city growth) B Mature industries, such as steelmaking, were in decline C Industrial production had risen rapidly due to machines D Over half the nation's industria...

4 answers

### ¿cuáles palabras son femeninas? there is more than one correct answer. be sure to select

¿cuáles palabras son femeninas? there is more than one correct answer. be sure to select all that apply. semana horario viernes día mapa mano...

3 answers

### Difference between deferment and forbearance

Difference between deferment and forbearance...

4 answers

### The Farmer Company's comparative balance sheets for 2010 and 2011, and additional information, are presented below.FARMER COMPANYComparative

The Farmer Company's comparative balance sheets for 2010 and 2011, and additional information, are presented below. FARMER COMPANY Comparative Balance Sheets December 31, December 31, ASSETS 2011 2010 Cash$ 14,000 $ 9,000 Accounts receivable 52,000 24,000 Inventory 87,000 40,000 Equipment1 25,0...

4 answers

### Percy Jackson 'the lightning thief' chapter 7 -What is your interpretation of the significance of the

Percy Jackson "the lightning thief" chapter 7 -What is your interpretation of the significance of the event in the bathroom? - What is your interpretation of why Percy is shock with the information Annabeth is telling him?...

3 answers

### What is the equation for the horizontal line that contains point (-3,1 and x=-1?

What is the equation for the horizontal line that contains point (-3,1 and x=-1?...

4 answers

### Since communism arose in direct opposition to capitalism, explain how communism replaces capitalism.

Since communism arose in direct opposition to capitalism, explain how communism replaces capitalism....