The length of a rectangle is three centimeters less than twice its width. If the perimeter of the rectangle is 18 centimeters, find its dimensions. (Perimeter of rectangle P = 2L + 2W)









Answers

Answer 1

Answer:

w = 4cm L = 5 cm

Step-by-step explanation:

w = w

L = 2w - 3

P = 18 = 2L + 2w

18 = 2(2w-3) + 2w

18 = 4w -6 + 2w

18 + 6 = 6w

24 = 6w

w = 4 cm

L = 2w - 3

L = 2(4) -3

L = 8 - 3

L = 5 cm


Related Questions

In the equation 15y - 3 = 25 what vocabulary word can be best used to describe 15y - 3in the context?​

Answers

Answer:

3 less than the product of a number and 15

Step-by-step explanation:

Given the expression

15y - 3 = 25

The unknown variable is y. Rewriting 15y - 3 as a statement

15y means the product of a number and 15

15y - 3 means 3 less than the product of a number and 15

Hence vocabulary word that can be best used to describe 15y - 3 is  3 less than the product of a number and 15

Find the missing values.

Answers

Answer:

Below in bold.

Step-by-step explanation:

The 2 triangles are congruent and they are both isosceles.

So m < 3 = 54 degrees.  (isosceles triangle)

m < 2 = 54 degrees.      (congruent triangles)

m < 1 = 180 - 2(54)

= 180 - 108

= 72 degrees.                 (angles in a triangle sum to 180).

m < 4 = 72 degrees.       (congruent triangles),

PLSS HELLLPPP!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

I'M HONESTLY NOT SURE. SORRY

Step-by-step explanation:

1- rectangular, right, squared, rectangular prism
2- triangular, right, rectangular, triangular prism
3- squared?, oblique, squared, trapezoidal prism
4- octagonal, oblique, rectangular, octagonal prism
5- pentagonal, right, rectangular, pentagonal prism
6- rectangular, oblique, squared, oblique rectangular prism

(2.4x10^4) im very confused

Answers

Answer:

24,000

Step-by-step explanation:

I believe the answer is 24,000 because 10^4 is 10,000 and then you multiply 2.4 times 10,000 which is 24,000!! Your welcome

The answer is 24,000.

PLEASE HELP ASAP EASY WILL GIVE BRAINLIEST

Answers

It should be x = -2.

What is the mABC? help plz

Answers

Answer:

mB=12-x

Step-by-step explanation:

mA+mC+mB=180

9x-12+5x+24+mB=180

9x+5x-12+24+mB=180

14x+12+mB=180

14x+mB=180-12

14x+mB=168

x+mB=168÷14

x+mB=12

mB=12-x

hector surveyed 500 people and asked them how far they drive to work and what is the last digit of their phone number. He used the results to make a scatter plot.
what association is this l?
positive
negative
none​

Answers

Answer:postive

Step-by-step explanation:

which of the numbers is irrational
A.
[tex] \frac{2}{7} [/tex]
B.
-2.7

C.
[tex] \sqrt{7} [/tex]
D.
[tex] 2.7777777....[/tex]

Answers

Answer:

c. √7

Step-by-step explanation:

:)

Tim runs a business and he pays his two employees $12.25 an hour for 40 hours a week. He spends an additional 300 dollars on rent, 150 on utilities and 45 on other business expenses per week.
His business makes 240 dollars a day, what is Tims weekly [7 days] profit? (Worth 2 points)


worth all my points

Answers

Answer:

1,160.50 per week

Step-by-step explanation:

He spends $1475 and rakes in $1680, 1680-1475=$205 total profit

A point is chosen in the circle at random. Determine which of the statements are true. Check all that apply. It is unlikely the point is in region A. It is likely the point is in region C. It is likely the point is in region G. It is impossible for the point to be in region H. It is certain that the point will land in a lettered region.

Answers

Answer:

A,D,E

Step-by-step explanation:

I just took the quiz.

Answer:

A, D, E

Step-by-step explanation:

The graphs of f(x) and g(x) are shown below.
For what interval is the value of (f-9)x) negative?

Answers

Answer:

B, infinity and two

Step-by-step explanation:

Took the test and got it right

a number plus 7.1 is less than 5. write this word sentence as an inequality

Answers

Answer:

-2.1+7.1=5

Step-by-step explanation:

Lexi took 15 shots on goal during the Columbus Day tournament, and she made 20% of them. How many goals did Lexi score?​

Answers

Answer:

3

Step-by-step explanation:

First, you have to turn the percent into a decimal. Which would give you 0.20. Then multiple 15 by 0.20. Which gives you 3.

I hope this explanation was helpful.

i need help right now!!!!

Choose Yes or No to tell whether each statement is correct.
Coordinate plane showing triangle A B C with coordinates A 4, 1; B negative 1, 4; and C negative 1, 1.

BC is 2 units long.
Choose...


CA is 5 units long.
Choose...


BC is shorter than BA.
Choose...


AC is 2 units longer than BC.
Choose...

Answers

Answer:

no, yes, yes, no

Step-by-step explanation:

BC is 3 units long, CA is 5 units long, BC is shorter than BA by a little over 3 units (use pythagorean theorem), and AC is longer than BC by 3 units not 2.

Phillip wants to buy a baseball cap. Sales tax in his city is 8%.
Select the prices of all caps Phillip could buy for less than or equal
to $20 once sales tax is added.

Answers

Answer:

Step-by-step explanation:

$18 would work

And anything below that number.

The price for the caps can be $18.

What is Tax?

A tax is a mandatory financial charge or other kind of levy placed on a taxpayer by a government agency to pay for government expenses and other public expenditures.

Given:

Sales tax in his city is 8%.

let the price be x.

x( 1+ 8%) ≤ 20

1.08x ≤ 20

x≤ 18.52

So, x can be 18.52 of less than 18.52.

Learn more about Tax here:

https://brainly.com/question/16423331

#SPJ2

Find the slope of the line without graphing using the 2 points below.



(-2, -1) & (-8 , 11)



m = _______

Answers

Answer:

m = -2

Step-by-step explanation:

1. use the slope formula --> (y2-y1)/(x2-x1)

2. (11 -(-1))/(-8 -(-2))

3. 12/-6

4. m = -2

Answer:

The slope is -2

Step-by-step explanation:

We can use the slope formula

m = ( y2-y1)/(x2-x1)

   = ( 11- -1)/( -8 - -2)

   ( 11+1)/( -8+2)

    12/-6

  -2

(-33.28 ÷ -5.2) ÷ -1.6 = ?

Answers

Answer:

-4

Step-by-step explanation:

Use PEMDAS

Answer:

-4

Step-by-step explanation:

Solve the problem 3g+7g+8=-10+g

Answers

First simplify like terms (things with the same letter):

3g + 7g + 8 = -10 + g

10g + 8 = -10 + g

Next we should take g off both sides:

9g + 8 = -10

Next isolate 9g by taking 8 off both sides:

9g = -18

Next divide both sides by 9 to find the value of g:

g = -2

I'll mark you the brainiest if you get this right
thx x

Answers

Answer:

A=99

Step-by-step explanation:

The height is 11cm and the base is 18cm. You multiply 11 times 18, then divide it by 2, which equals 99.

HELP ASAP
What is the solution to the equation?

7(1+5m)+2m=7+2m

explain step by step plz

Answers

Answer:

m = 0

Step-by-step explanation:

distribute

7 + 35m + 2m = 7 +2m

add 35m + 2m

7 + 37m = 7 + 2m

subtract 2 from 37m

7 + 35m = 7

subtract 7 from 7

35m = 0

0 ÷ 35 = 0

so technically the answer is 0

I'm not 100% sure but I do believe this is right

Julio solved the equation as show below. He made a mistake and incorrectly concluded that the equation has no solution. What was Julio's mistake? What is the correct answer to the equation?​

Answers

9514 1404 393

Answer:

  incorrect use of the distributive property in line 2

  infinite solutions

Step-by-step explanation:

The second line of Julio's work should read ...

  -x +5x +30 = 4x +30

Julio incorrectly distributed the 5 over the contents of parentheses.

__

Then the equation simplifies to ...

  4x +30 = 4x +30

  0 = 0 . . . . true for all x, infinite solutions

answer asap please will mark brainiest

Answers

There’s no question showing up brother

A large bucket contains 1 4/5(mixed number 1 and 4/5) pounds of dough.
How many loaves of bread can be made if you need 2/3 a pound of
dough for each loaf?
(The picture are the answers) please help me I’m failing school

Answers

Answer:

2  7/10 loaves

Step-by-step explanation:

2/3 pounds= 1 loaf

1 4/5(9/5)pounds = 9  x  1  

                                 5        

                                    2/3

= 9   /   2   =   9   x   3  =  27

  5        3          5        2        10

= 2 and 7/10 loaves

The sum of the ages of Alice, Barbie & Cindy is 44. Alice is three times older than Cindy. Barbie is 5 years younger than Alice. How old is Cindy?

Answers

Answer: Cindy is 7

Step-by-step explanation:

Alice is 21

Barbie is 16

Which of the fractions are equivalent to 6/8 ? Select all that apply.
A) 9/16
B) 15/20
C) 39/48
D) 45/60
E) 48/64
F) 78/104

SELECT ALL THAT APPLY

Answers

Answer:

abcdef

Step-by-step explanation:

i need help with this one Eight cookies cost $12. At this rate, how much will 10 cookies cost? soory i didnt see the answer

Answers

Answer: $15

Step-by-step explanation:

8 cookies cost $12 you divide 12 by 8 and then you get 1.5 which equals 1.50 so each cookie is 1.50. So for 10 cookies you multiply 10 times 1.50 and you get your answer $15. 10 cookies cost $15

A hot air balloon ascends at a rate of 5 meters per minute. If it ascends for 10 minutes, what is the total amount of meters the hot air ballon ascended?

Answers

Answer:

The hot balloon ascended by 50 meters.

Step-by-step explanation:

If the balloon ascends at 5 meters per minute, for 10 minutes, then we just need to multiply 5 by 10.

5 x 10 = 50.

Therefore, the hot air balloon ascended by 50 meters.

Hope this helps! :)

^^^^^
Couldn’t of explained it better lol

3x + 9= 5x +21 solve for x plz do fast

Answers

Answer:

8x+30

Step-by-step explanation:

What value of x makes this equation true?

-6x + 3 = 45

Answers

Subtract 3
-6x = 42
Divide by -6
x = -7

Answer:

Subtract 3

-6x = 42

Divide by -6

x = -7

3 tacos cost $18. complete the table to show the cost of 4,5 and 6 tacos at the same rate. HELP MEH pweez

Answers

Answer: 12 ,15, 18

Step-by-step explanation:

Answer:

Step-by-step explanation:

d

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