Find the area and perimeter of a rectangle if the length is (x+7) and the width is (x+3).

Answers

Answer 1

Answer:

P=4x+20

A=x^2+10x+21

Step-by-step explanation:

Perimeter=2(x+7)+2(x+3)

2x+14+2x+6

4x+20

Area=(x+7)(x+3)

x^2+10x+21

Answer 2

l = (x + 3)

b = (x + 7)

Area:

= I x b

= (x + 3)(x + 7)

= x(x + 7) + 3(x + 7)

= x² + 7x + 3x + 21

= x² + 10x + 21

Perimeter:

= 2(l + b)

= 2((x + 3) + (x + 7)) = 2(2x + 10)

= 2(x + 3 + x + 7)

= 4x + 20


Related Questions

During the month of December a bus company decides to only sell daily passes. They charge 3$ dollars per pass. Describe the domain and range of the scenario above

Answers

Is there more information? I think the domain and range would both be (0,infinity)

Using function concepts, it is found that:

The domain of the scenario is: {0, 1, 2, 3, 4,...}.

The range of the scenario is: {0, 3, 6, 9, 12,...}

The domain of a function is the set that contains all possible input values.

In this problem, it is the number of passes sold per day, thus, the domain of the function is: {0, 1, 2, 3, 4,...}.

The range of a function is the set that contains all possible output values.

In this problem, it is the amount earned when x passes are sold, considering that each pass is sold for $3, the range of the function is: {0, 3, 6, 9, ...}

A similar problem is given at https://brainly.com/question/24742551

Use estimation to chose the correct value for this expression 5.1 X 2

Answers

Answer:

10.2

Step-by-step explanation:

Answer:

10

Step-by-step explanation:

What is the missing reason in the proof?

given
transitive property
alternate interior angles theorem
converse alternate interior angles theorem

Answers

Answer:

c, alternate interior angles theorem

Step-by-step explanation:

if 1 is equal to 3, and 3 is equal to 2 by alternate interior angles theorem, then that should also apply to angle 1.

Solve for x.
X^2 – 2x +1=0
x=

Answers

Im a little confused on your question just because of the way the question if formatted

Which of the following is equivalent to 4x+5y=12?

Answers

Answer: Slope=−

2.000

1.600

=−0.800

x−intercept=

4

12

=3

y−intercept=

5

12

=2.40000

Step-by-step explanation:

value of 5/6 divided by 3/4?

Answers

Answer:

1 1/9

Step-by-step explanation:

1. twice the square of the sum of a number and 3 is 98.find the number​

Answers

Answer:

Step-by-step explanation:

Let the number be x.

twice the square of the sum of a number and 3 is expressed as;

2(x+3)²

If the expression is equal to 98, then;

2(x+3)² = 98

divide both sides by 2;

2(x+3)²/2 = 98/2

(x+3)² = 49

square root both sides

√(x+3)² = √49

x+3 = ±7

x = ±7-3

x = 7-3 or -7-3

x = 4 or -10

Hence the number is 4 or -10

The number is -4 or 10

Let n represent the unknown number

The following equation can be used to summarise the information given in the question

2 × n² = 98

The first step to take in order to determine the value of n is to divide both sides of the equation by 2

n² = 98/2

n² = 49

The second step is to determine the square root of both sides of the equation

n =√49

n =-7 or +7

The number = - 7 + 3 = - 4 or 7 + 3 = 10

A similar question was solved here: https://brainly.com/question/18118670?referrer=searchResults

question attached through picture​

Answers

Answer:

1/2

Step-by-step explanation:

:::::::::::::::::::Answerr::::::::::::::::


1/2

sanjay is taking 2 more classes than Ha is taking how many classes is ha taking?

Answers

Answer:

2 more classes than Ha? Provide more information, please.

Answer:

NEED MORE INFO

Step-by-step explanation:

3y-27=5y+9-y
please help

Answers

Answer:

y=−36

Hope this helps

Answer:

Today: Thursday, 15 October 2020

Hour: 05.11 WIB (in Indonesia)

______________________________

3y - 27 = 5y + 9 - y

3y - 5y + y = 27 + 9

-y = 36

y = -36

The knitting club sold 40 scarves and hats at a winter festival and made $700 from the sales. They charged $18 for each scarf and $14 for each hat.



If s represents the number of scarves sold and h represents the number of hats sold, which system of equations represents the constraints of the situation?

Group of answer choices



A. s + h =40

18s +14h = 700

B. 18s +14h =40

s + h =700

C. 40s + h +700

18s + 14h = 700

D. No answer text provided.

Answers

Answer:

               A.       s + h = 40                        18s + 14h = 700

Step-by-step explanation:

club sold 40 scarves and hats so the sum of scarves and hats is 40

s + h = 40       - one of equations

They charged $18 for each scarf and $14 for each hat so:

18×s   - money made from scarves

14×h   - money made from hats

18s + 14h  - sum of money made from scarves and hats so:

18s + 14h = 700      - second of equatinons

                                       

The system of equations represents the constraints of the situation are   s + h = 40 and 18s + 14h = 700.Option A is correct.

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that, the knitting club sold 40 scarves and hats at a winter festival and made $700 from the sales. They charged $18 for each scarf and $14 for each hat.

If s represents the number of scarves sold and h represents the number of hats sold.

The system of equations is as follows,

s + h =40

18s +14h = 700

Thus,the system of equations represents the constraints of the situation are   s + h = 40 and 18s + 14h = 700.Option A is correct.

Learn more about the linear equation here:

brainly.com/question/11897796

#SPJ5

at what position on the number line is the red dot located?

Answers

Answer:

D. Square root of 18

Step-by-step explanation:

The square root of 10 is 3.16.

The square root of 12 is 3.46.

The square root of 24 is 4.90.

The square root of 18 is 4.24.

The red dot is on 4.25 so your answer is the square root of 18.

Will you please mark me brainliest?

HELP PLEASE I WILL GIVE 100 Poins just please and brainliest

Answers

Answer: ok i dont really know but ask your teacher for help

Step-by-step explanation:

The school store collected $12.00 from selling pencils and a total of $42.00 from selling pencils and pens. If pen cost $0.75 each, how many were sold?

Answers

Answer:

The answer is D

Answer is 40 pens were sold

For any two integers a and b, (a + b)² = a² + b²

Answers

Answer:

wrong

Step-by-step explanation:

(a+b)^2=(a+b)(a+b)

=a(a+b)b(a+b)

=a^2+ab+ab+b^2

=a^2+2ab+b^2

i hope it helps you

Which of these operations is not closed for polynomials?
O A. Addition
O B. Division
O C. Multiplication

Answers

B. Division I hope this worked

Are the ratios 12:20 and 4:5 equivalent?

Answers

No

12:20, devide it by 4 and you'll get

= 3:5

Thus

12:20 [tex]\red{\bold{\neq}}[/tex] 4:5

no it’s not because you have to divide by the same number so if you divided 12/3=4 and 20/3=6.7 so no it is not

equivalent of 100 sqrt 2

Answers

Answer:

141.421356237

2x^2 - 17x + 30
Factor

Answers

Answer:

(2x−5)(x−6)

Step-by-step explanation:

2x^2-12x-5x+30

2x(x-6)-5(x-6)

(2x-5)(x-6)

2x^2-17x+30 should be correct


I don’t understand help please

Answers

I didn’t know which one to answer
I did question 9
Answer:
x=-1
do you need to show work?

please help me i need to get a 100 to play roblox

Answers

Answer:

0.44

Step-by-step explanation:

Also I highly highly respect you doing this for roblox. I wish you the best of luck!

Answer:

00.4 I used to do this!!

Step-by-step explanation:

Hope this helps!!!


HAVE AN AMAZING DAY

Write 0.00000000000801 in scientific notation

Answers

Answer:

10^12 times 8.01

Step-by-step explanation:

Answer: 8.01*10^12

Step-by-step explanation:

A men's shoe size is related to his foot length and can be modeled by the equations s=1.7f -7.2, where s is shoe size and fis foot length, in inches. What is the shoe size of a man whose foot measures 9 inches?​

Answers

Answer:

B. 8

Step-by-step explanation:

Given the equation, [tex] s = 1.7f - 7.2 [/tex],

where,

s = shoe size,

f = foot length,

To determine the shoe size of a man that has a foot length (f) of 9 in, substitute f = 9 into the equation.

[tex] s = 1.7f - 7.2 [/tex]

[tex] s = 1.7(9) - 7.2 [/tex] (substitution)

[tex] s = 15.3 - 7.2 [/tex]

[tex] s = 15.3 - 7.2 [/tex]

[tex] s = 8.1 [/tex]

His shoe size is approximately 8 inches

how to do this question plz ​

Answers

Answer:

7.2 pints

Step-by-step explanation:

a) 1 bowl --- 0.3 pints of soup

Since he has 24 bowls,

total amount of soup in the bowls

= 24(0.3)

= 7.2 pints

Thus, Martin put 7.2 pints of soup into the bowls.

ASAP!!!!!!!!!!!!!!
how to I solve
[tex]y=x^{2} -5x+7\\y=2x+1[/tex]

Answers

Answer:

x = 6, and x = 1

Step-by-step explanation:

If each expression equals y, the simplest approach would be to equate them;

x^2 - 5x + 7 = 2x + 1 => Isolate all the terms on one side

x^2 - 5x - 2x + 7 - 1 = 0 => Combine like terms

x^2 - 7x + 6 = 0 => solve using quadratic equation

x = ( - (- 7) + √( - 7)^2 - 4 * 1 * 6 )/ 2 * 1

= 7 + √25 / 2 = 7 + 5 / 2

= 6

x =  ( - (- 7) - √( - 7)^2 - 4 * 1 * 6 )/ 2 * 1

= 7 - √25 / 2 = 7 - 5 / 2

= 2 / 2 = 1

What is the following equation in standard form? y= - 1/6x + 5

Answers

Answer:

x+6y=30

Step-by-step explanation:

Help ASAP PLEASE AND THANK YOU

Answers

Answer:

The first column would be (x,y)---> (x,-y)

The second column would be (x,y)---> (x+3, y-8)

The third column would be (x,y)----> (-x,-y)

Then the last column would be (x,y)---> (x-8, y-3)

what are the 3 most important things you learned about evaluating functions​

Answers

Replace, substitute, plug in given values

Functions explain circumstances in which particular quantity and quality would be different. The important things about evaluating functions are below.

The evaluation collected data or information help to design curricula, assess the efficiency of innovative approaches, and highlight the regions of the requirement for change.Evaluation data is becoming increasingly valuable for guiding and advice.This same evaluation would be important just to measure the effectiveness of an existing program.

Learn more about evaluating functions​ here:

https://brainly.com/question/1291990

-3(x - 2) > 24
pls help

Answers

Answer:

x<-6

Step-by-step explanation:

1) -3x+6>24 (distribute)

2) -3x>18 (Cancel out 6 and subtract on both sides)

3) ×<-6 (Divide -3 by itself and 18, make sure to switch the sign to the opposite because you are dividing by a negative.)

hope this helps!

Answer:

-3x+6>24

-3x>24-6

-3x>18

-3x/-3 <18/3

x<-6

Cleo and jandi are having a Halloween party. They have 3 1/2 pounds of candy to divide into 14 goodie bags. How much candy will be in each bag?

Answers

Answer:

1/4 pound(s) of candy in each bag

Step-by-step explanation:

3 1/2 (pounds of candy) ÷ 14 (goodie bags) = ?

To make this easier let's turn 3 1/2 into a improper fraction and flip 14/1 (14/1 to 1/14):

3 1/2 = 7/2       14/1 = 1/14

Now we multiply:

7/2 x 1/14 = 7/28 = 1/4

(When you divide fractions, you can flip the second fraction and multiply and get your answer. Remember to simplify once you get your answer!)

Hope I helped! Sorry if wrong!

Answer:

1/4 pounds

Step-by-step explanation:

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