The length of a rectangle is eight centimeters less than twice its width. If the perimeter of
the rectangle is 20 centimeters, find its dimensions.

Answers

Answer 1

Answer:

width of given rectangle = 6 cm

length of given rectangle =  4 cm

Step-by-step explanation:

Let the breadth be x cm

given that

The length of a rectangle is eight centimeters less than twice its width

length of rectangle in terms of x =  2(breadth ) - 8 =  2x - 8

we know perimeter of rectangle is given = 2(l + b)

thus, perimeter of given rectangle is = 2 ( x +  2x - 8) = 6x - 16

also given perimeter of the rectangle is 20 centimeters

thus,

6x - 16 = 20

6x = 20 + 16 = 36

x = 36/6 = 6

Thus,

width of given rectangle = 6 cm

length of given rectangle = 2*6 - 8 = 4 cm


Related Questions

The diameter of a circle is 101010 units.

What is the radius of the circle?

(in units)

Answers

Radius is always half of the diameter. So just divide your diameter by 2 for the answer :)

good luck!

Answer:

5

Step-by-step explanation:

Branliest plz

Simplify the following using a Property of Integer Exponents.

2,345⁰

Answers

It’s 1, anything to the zero power is one.

If I work Saturday and Sunday for an entire year making $11.00 an hour for 8 hours in a shift. How much did I earn in that year?

Answers

Answer:

$9,152

Step-by-step explanation:

Anyone know how to do this??

Answers

Answer:180=x-5+2x+5 180=3x (cancel 5 with negative5)x=180/3x=60

Answer:

x = 60

Step-by-step explanation:

In order to make L parallel (||) to M, you want to prove that the angles are same-side interior angles since the Same-Side Interior Angle Theorem only works for parallel lines cut by a transversal.

In order to make the angles (marked with the expressions) same-side interior angles, they have to add up to 180 degrees because they are supplementary angles.

Make an equation where the two angles add up to (equal) 180.

(x - 5) + (2x + 5) = 180

Combine like terms on the left side of the equation.

3x = 180

Divide both sides of the equation by 3.

x = 60

60 is the value of x that will make L || M.

Which graph shows a set of ordered pairs that represent a function?

Answers

Answer:

The middle one is a function because there is only 1  x value distributing 1 y value

Step-by-step explanation:

Answer:

#3, on the top right corner

Step-by-step explanation:

A square piece of plywood has sides that are 10 feet long. What is the piece of plywood's area

Answers

I don’t really understand the question, but if you’re looking for the area, it would be 100 feet since you have to do “Side x Side”. Hope this helps!

Answer:

100ft^2

Step-by-step explanation:

The area of a square is always one of the side's length multiplied by itself.

10 x 10 = 100ft^2

A basketball hoop has a
diameter of approximately
18 inches. What is the
circumference of the
basketball hoop?

Answers

The perimeter of the basketball hoop is 18π inches.

The circumference of a circle can be found using the formula:

C = πd

where C is the circumference and d is the diameter of the circle.

In this case, the diameter of the basketball hoop is approximately 18 inches. So we can plug this value into the formula to get:

C = π(18)

Using a calculator or approximating π to 3.14, we can evaluate this expression to get:

C ≈ 56.52 inches

Therefore, the circumference of the basketball hoop is approximately 56.52 inches.

Learn more about perimeter here:

https://brainly.com/question/6465134

#SPJ1

Hello, Can you please help me with this problem? It's due at 9:00 pm (Please answer the whole thing if you can!) This is not for me it's for my little sister.

Update : I give you The picture

Answers

1) 6 3+3+3+3+3+3=18 3•6=18
2)6 7+7+7+7+7+7 =42 7•6=42
3)13 8+8+8+8+8+8+8+8+8+8+8+8+8=104
13•8=104
4) 12 14+14+14+14+14+14+14+14+14+14+14+14 14•12=168

(x + 1)(x - 3)(x - 4)

Answers

Answer:

Simplified:

x^3 - 6x^2 + 5x + 12

Roots:

-1

3

4

Your answer is x^3-6x^2+5x+12

The variance of a distribution is 195. What is the standard deviation, rounded to the nearest thousandth? fill in the blank 1

Answers

Answer:√29.5= 5.43139

Step-by-step explanation:

Find the volume of the box.
3
6 ft
5 Ft
The volume of the box is
cubic feet.

Answers

i think 90ft square

length x width x height
6 x 5 x 3
that equals 90
V=90 because v=lwh (v=5*6*3=90)

What is the distance from (−3, 1) to (−1, 5)? Round your answer to the nearest hundredth.

3.60
4.12
4.47
5.66

Answers

Answer: 4.47 is the correct one :)

Answer:

4.47

Step-by-step explanation:

took the test

Which expression represents a negative value?
2 - |-7 + 31
5- |-12 + 91
15| + |-111
9 - 18 - 141

Answers

Answer:

9-18-141

Step-by-step explanation:

9-18= -9

-9-141= (-150)

Please help I’m confused. Thanks ;)

Answers

Answer: a. AB = 15cm long. b. AB = 11.1cm long. c. AB = 3/5cm long.

d. AB = 3 cm long.

Step-by-step explanation:

can someone answer these two for me?? thank you so much

Answers

Answer:

for first pic it's CD and for second pic that's option 1

Answer:

1=1

2=2

Step-by-step explanation:

hope this helps if they are wrong let me know i will fix it for you

Explain and correct the error made by a student who simplified this expression
–2x + 7x + 8 (–2 + 7 + 8)x 13x

Answers

Answer:

−11(−3−3x) ( i think)

Step-by-step explanation:

Raina, Chang, and Alonzo sent a total of 94 text messages during the weekend. Alonzo sent 3 times as many messages as Chang. Raina sent 9 more messages than Chang. How many messages did they each send​

Answers

Answer:

Chang sent 17 messages, Alonzo sent 51 and Raina sent 26.

Step-by-step explanation:

You turn the word problem into an algebraic expression and solve

Raina sent 51, Chang sent 17, and Alonzo sent 26 hopes this helps:)

Choose the letter of the correct answer Write the chosen letter on a separate sheet of
1. The measure of the volume of a rectangular solid is a'b - 63b27a-9ab? Find the dimensions of the
solid
A.(a + 3b). (a - 3b), and (ab + 7)
C. (a + 3b). (3a - 3b), and (ab + )
B.(3a+ 3b). (a - 3b), and (ab + 7)
D. (a + 3b). (a-35), and (ab + 3)
2. The floor plan for a rectangular building states that the length of the building is to be 8 meters more than
times its width. If the floor area is to be 256 square meters, what must be the length and width of the building?
A.6 meters long and 16 meters wide C. 8 meters long and 32 meters wide
B.30 meters long and 10 meters wide D. 32 meters long and 8 meters wide
3. The area of the dining room is 130 square units. If the width is 3 meter less than its length what is the weidin
of the room?
A. 10 units
B. 11 units
C 12 units
D. 13 units
D. 2b + 10
4. One of the factors of 2b2 + 15b-50 is b +10. What is the other factor?
A.2b - 10
B. 2-5
0. 2b +5
5. The area of the nachos is 15x - 10x square centimeters. If the base is 5x centimeters, which is the length of
the height?
A. 3x - 2 cm.
B. 3x + 2 cm
C. 6x-4 cm
D. 6x + 4 cm
pose​

Answers

This question was not properly written

Complete Question

Choose the letter of the correct answer Write the chosen letter on a separate sheet of

1. The measure of the volume of a rectangular solid is a²b - 63b²-9ab³? Find the dimensions of the

solid

A.(a + 3b). (a - 3b), and (ab + 7)

C. (a + 3b). (3a - 3b), and (ab + 3 )

B.(3a+ 3b). (a - 3b), and (ab + 7)

D. (a + 3b). (a-3b), and (ab + 3)

2. The floor plan for a rectangular building states that the length of the building is to be 8 meters more than

times its width. If the floor area is to be 256 square meters, what must be the length and width of the building?

A.6 meters long and 16 meters wide C. 8 meters long and 32 meters wide

B.30 meters long and 10 meters wide D. 32 meters long and 8 meters wide

3. The area of the dining room is 130 square units. If the width is 3 meter less than its length what is the weidin

of the room?

A. 10 units

B. 11 units

C 12 units

D. 13 units

4. One of the factors of 2b2 + 15b-50 is b +10. What is the other factor?

A.2b - 10

B. 2-5

C. 2b +5

D. 2b + 10

5. The area of the nachos is 15x² - 10x square centimeters. If the base is 5x centimeters, which is the length of

the height?

A. 3x - 2 cm.

B. 3x + 2 cm

C. 6x-4 cm

D. 6x + 4 cm

Answer:

1 A.(a + 3b). (a - 3b), and (ab + 7)

2 D. 32 meters long and 8 meters wide

3 A. 10 units

4 B. 2b -5

5. C. 6x - 4 cm

Step-by-step explanation:

Choose the letter of the correct answer Write the chosen letter on a separate sheet of

1. The measure of the volume of a rectangular solid is a²b - 63b²-9ab³? Find the dimensions of the

solid

We pick the options one after the other

A.(a + 3b). (a - 3b), and (ab + 7)

(a² -3ab + 3ab -9b²)(ab + 7)

(a² - 9b²) (ab + 7)

a²b - 9ab³ - 63b²

C. (a + 3b). (3a - 3b), and (ab + 7 )

(3a² - 3ab + 3ab -9b³)(ab + 3)

(3a² - 9b³)(ab + 3)

3a³b + 21ab² - 9b⁴a - 27b³

B.(3a+ 3b). (a - 3b), and (ab + 7)

(3a² - 9ab + 3ab - 9b²)(ab + 7)

(3a² - 6ab - 9b²)(ab + 7)

3a³b +21a² - 6a²b² + 42ab - 9ab³ - 63

D. (a + 3b). (a-3b), and (ab + 3)

(a² -3ab + 3ab - 9b²)(ab + 3)

(a² - 9b²) (ab + 3)

a³b + 3a² - 9ab³ - 27b²

Therefore, option A.(a + 3b). (a - 3b), and (ab + 7) is the correct option

2. The floor plan for a rectangular building states that the length of the building is to be 8 meters more than 3 times its width . If the floor area is to be 256 square meters, what must be the length and width of the building?

Area of a rectangle = Length × Width

Length of the building is to be 8 meters more than times its width.

= Length = 3W + 8

Area = 256m²

Hence:

256 =( 3W + 8 )× W

256 = 3W² + 8W

= 3W² + 8W - 256

Factorise

= 3W(W - 8) + 32(W - 8)

= (3W + 32) ( W - 8)

W - 8 = 0

W = Width = 8m

Length = 3W + 8

Length = 3(8) + 8

= 24 + 8

= 32m.

D. 32 meters long and 8 meters wide

3. The area of the dining room is 130 square units. If the width is 3 meter less than its length what is the width

of the room?

A. 10 units

B. 11 units

C 12 units

D. 13 units

Area = Length × Width

The width is 3 meter less than its length

W = L - 3

Area = 130 square units

Hence:

130 = L (L - 3)

130 = L² - 3L

L² - 3L - 130

= L² + 10L - 13L - 130

= L(L + 10) - 13(L + 10)

= (L - 13) (L + 10)

L - 13 = 0

L = Length = 13 units

L + 10 = 0

L = -10 units.

W = L - 3

L = 13 units

W = 13 - 3

W = 10 units

Therefore, the width of the room is 10 units

A. 10 units

4. One of the factors of 2b² + 15b-50 is b + 10. What is the other factor?

A.2b - 10

B. 2b -5

C. 2b +5

D. 2b + 10

2b² + 15b -50

One of the factors is b +10.

We factorise

2b² + 15b - 50

= 2b² + 20b - 5b - 50

= 2b(b + 10) - 5(b + 10)

= (2b - 5) (b + 10)

The other factor is 2b - 5

B. 2b -5

5. The area of the nachos is 15x² - 10x square centimeters. If the base is 5x centimeters, which is the length of

the height?

A. 3x - 2 cm.

B. 3x + 2 cm

C. 6x-4 cm

D. 6x + 4 cm

Nachos are triangular in shape

Area of a triangle = 1/2 × Base × height

A = 1/2 bh

A = bh/2

2A = bh

h = 2A/b

The area of the nachos is 15x - 10x square centimeters. If the base is 5x centimeters,

h = 2(15x² - 10x)/5x

h = 30x² - 20x/5x

h = 30x²/5x - 20x/5x

= 6x - 4 cm

the length of the height is:

C. 6x - 4 cm

this is an isosceles triangle z=?

Answers

Answer:

Z = 75°

Step-by-step explanation:

Z is equal to 75°

hope that will help you

Z = 75 degrees as it is isosceles triangle

Find the greatest common divisor of 63 and 42

Answers

Answer:

21

Step-by-step explanation:

terminating decimals are sometimes,never,always rational numbers ​

Answers

Answer: The answer is Always any number that can be made into a fraction or decimal is a rational number.

Step-by-step explanation:

Any number that can be written in fraction form is a rational number. This includes integers, terminating decimals, and repeating decimals as well as fractions. ... So, any terminating decimal is a rational number.

How can you use powers and exponents to express known quantities

Answers

The most common ways is to indicate orders of magnitude through multiplying by powers of 10. I expect you’re at least seen something like 6.022∗1023

show up in your texts. The important part for this discussion is 1023

, because it gives us an idea of just how large this value is. If we wrote it all out, it would be: 602,200,000,000,000,000,000,000. You can do the same thing in the other direction, too. 10−28
Common value for certain types of physics, but a very, very small one.

Alternately, when dealing with probability, the function for determining the probability of series of independent events with the same odds is

where p is the probability of a certain outcome and n is the number of times the event occurs. For example, if we want to know what the odds of getting five heads in a row while flipping a coin we’re looking at 125
or 132

But the thing with powers of 10 is the most common I’ve seen, it even occasionally gets named Scientific Notation.

Solve the equation a = m – n for the variable m.

Answers

M = a+n
you would need to add variable n to both side in order to get variable m by itself :))

Answer:

[tex]\rightsquigarrow\quad\sf{m=a+n}[/tex]

In-depth explanation:

Hi there, let's solve this equation.

Let's rearrange the equation a = m - n for m.

m - n = a

Add n to each side:

m = a + n

Therefore, m = a + n.

Write a unit rate for 53 pages in 2 hours

Answers

Answer: 26.5 pages/hr

Step-by-step explanation:

53 pgs/2 hours = 26.5 pages/hr

HELP ME ASAP THANK YOU !!

Answers

Answer:

B

Step-by-step explanation:

It is actually A

5-2x=4-2x+4
5=8
but 5 cannot equal 8 therefore there are no solutions

Paul gets money for each chore he completes around the house. He receives $5.00 for taking out the garbage all week, $10.00 for cleaning the bathroom, $3.00 for each time he empties the dishwasher, and $4.00 an hour for babysitting his younger sister. This week, he took out the garbage, emptied the dishwasher three times, and babysat his sister for five hours. How much money should he receive?

Answers

Answer

$30

Step-by-step explanation:


5 pencils and 3 pens costs £11.
4 pencils and 6 pens costs £16.
Find the cost of a pencil.
Find the cost of a pen.

Answers

Answer:

The pencil is £1 and the pen is £2

Step-by-step explanation:

Let the pencil be p and let the pen be f.

5p + 3f = 11

4p + 6f = 16

the top one multiplies by two:

10p + 6f = 22

4p + 6f = 16    subtract

6p = £6

pencil = £1

Then you substitute the value of the pencil into the equation and find the value of the pen.

The perimeter of the rectangle below is 54 units. Find the value of x

Answers

Answer: x=5

Step-by-step explanation:

3x appears two times and so does 2x +2. That created the equation 3x + 3x + 2x + 2 + 2x + 2=54. Combine like terms. You get 10x +4=54. Then you solve. Inverse operation: You subtract 4 from 54. Which is 50, then divide by 10. X=5

The value of the x for the given rectangle is 5 units.

What is the perimeter of a rectangle?

The whole distance that a rectangle's boundaries, or its sides, the cover is known as its perimeter. Given that a rectangle has four sides, the perimeter of the rectangle will be equal to the sum of its four sides.

Given, The perimeter of the rectangle below is 54 units.

Also given the length of the rectangle = 3x

and the width of rectangle = 2x + 2

Since, Perimeter of rectangle = 2 *( length + width)

Perimeter of rectangle = 2 * (3x + 2x + 2)

Since we have a perimeter

54 = 2 *(5 x + 2)

5x + 2 = 27

5x = 25

x = 5

Therefore, For the given rectangle, the value of x is 5 units.

Learn more about rectangles here:

https://brainly.com/question/1015355

#SPJ2

I HAVE 2 MIN PLEASE HELP ME PLEASE

Answers

Answer:

The answer is -91.  7 times -13 is -91.

MARK ME BRAINLIEST!!

Simplify: (7xy5)2 (I just forget what to do)​

Answers

Answer:

49x^2 y^10

Step-by-step explanation:

Step 1- 7^2 * x^2 (y^5)^2

Step 2- 49x^2 7 ^5*2

Step 3- 49x^2y^10

Other Questions
8/12 the equibalent fraction please answer! thank you! FIll in the MISSING words Can sum 1 pls help me out... Read these statements, and select the best answer for each one.The Neolithic Revolution began abouta. 200,000 yrs ago b. 10,000 yrs agoc. 1,000 yrs ago One advancement that caused the Neolithic Revolution was the appearance of pastoralism, or a. the raising of livestock b. hunting and gathering c. the discovery of mental Identify arrows pointing to nonbonding electrons. In which sentence do the subject and verb agree?A: Vitamins and minerals aren't equally present in all foods.B: Glossy green leaves and brilliant sunlight has created a beautiful scene.C: The night air, soft and cool, was blowing in through the car window.D: Half of the grapefruit is waiting for me on the breakfast table. How have mangrove trees adapted to their environment?A.They obtain water from coastal fogs.B.They can go long periods without rain.C.They give off moisture used by other plants and animals.D.They have woody roots that prop their branches and leaves above the salty water.Please select the best answer from the choices providedABCD what are the 4 different types of slopes Which situation aUggeata that an experlment han rellable renultn? A. The experiment use8 a very uimple procedure B. The experiment generates ldeau for new experimenta C. The experiment can be repeated with the aame outcome. D. The experiment aupports the hypothesls. hello please will give brainliest! 3. How does the author's use of the phrase "mentalsnowstorm contribute to the poem (Line 285 )? The shape on the left is transformed to the shape on the right which of the following sentences uses figurative language?i had a long day at school because of all my activities.i felt like i could take a nap after the long day of tests that i had.my teacher gave us a break because the day had been so long.My day at school was a marathon and triathlon combined. nearest integer of 26 The volume of an unknown liquid is shown in the graduated cylinder. The mass of the liquid is 105 grams.What is the density of the unknown liquid?A 3500 g/mLB .33 g/mLC 3.0 g/mLD 3.3 g/mL Select all the equations that have the same solution as the equation 4x - 12 = 36A 4x = 48B 2x - 6 = 184x = 24DX-4 = 24E 8x - 24 = 72 The Distributive Property was used to multiply 7 x 62. Put the steps in order.1. 420 + 14first2. 7* (60 + 2)fifth3. (7 x 60) + (7 x 2)fourth4. 434second5. 762third Which sentence is true about a story told in first-person point of view?The narrator knows what everyone else in the story is thinking or feeling.The only feelings and thoughts the narrator can share are his or her own.The narrator can describe two events happening in different places at the same time.Other characters besides the narrator share in the storytelling.please help.Thanks Which number line represents the solution set for this inequality?9x 12 42 what is the declartion of independence