the sum of length and breadth of a room is 20m​,find it's perimeter​

Answers

Answer 1

Answer:

80 m.

Steps: perimeter =4 x side

=4x20=80m

Answer 2

Answer:

40 m

Step-by-step explanation:

Formula of perimeter of a rectangle = 2(l + b)

where l = Length & b = Breadth

According to the question ,

Sum of length & breadth = l + b = 20m

Perimeter = 2(l + b) = 2 × 20 = 40m


Related Questions

Is a = 9 a solution to the inequality below?

8
yes or no

Answers

How would i know? U didn't give me the inequality
What’s the inequality? Put the inequality then i will definitely help you out!

3x-15=3

what is x in this equation?

Answers

Answer: The answer is 6

Step-by-step explanation: 3x-15=3 Add 15 to both side

3x=18 Divide 3 to both side

3=  3

x=6   The answer

the answer is 6 to that question

When
you add 6 to the product of a number and 10, the result is 36. What is the number?

Answers

Answer:3

Step-by-step explanation:

10x+ 6= 36 Subtract six from each side then divide by ten leaves you with three

Answer:

20

Step-by-step explanation:

6+(n+10)=36

n=20

6+(20+10)=36

36=36

Is Noah's work correct? Explain. Yes, Noah's calculations are correct. No, Noah did not simplify correctly. No, Noah used the diameter instead of the radius in the calculations. No, Noah did not use the correct formula for volume of a sphere.

Answers

Answer:

No, Noah used the diameter instead of the radius in the calculations.

V = 91.13π

Step-by-step explanation:

Noah is working on a geometry problem that involves finding the volume of a sphere with a diameter of 9 units. His work is shown below.

V = πr3

V = π(9)3

V = π(729)

V = 972π cubic units

Is Noah’s work correct

Volume of a sphere, V = πr³

radius, r = diameter / 2

Diameter = 9 units

r = 9 / 2

= 4.5 units

Volume of a sphere, V = πr³

= π × 4.5³

= π × 91.125

= 91.125π

Approximately 91.13π

V = 91.13π

No, Noah used the diameter instead of the radius in the calculations.

Answer:

no, he used radius instead of diameter

Step-by-step explanation:

Four more than six times a number is 18.

Answers

Answer:

2.3 repeating

Step-by-step explanation:

thats what i got

Simplify the expression below using the distributive property

Answers

Answer:

40+15i

Step-by-step explanation:

I don't know why you are doing this when you clearly know the answer.  Have a good day.

Below, explain why we are allowed the
"substitute in" x - 3 for y in the top equation.
Why is this useful for finding our first solution?
x + y = 11
y = x - 3

Answers

Answer:

because in the bottom eqution it shows us x-3=y therefor we could re-write the top equation as x+x-3=11

A preschool Field trip required seven buses. 13 children rode in cars with their parents and the rest road on a bus. If there were 258 children on the trip to all together, how many were on each bus

Answers

First, minus the amount of children in cars from 258
258-13=245

Next:
245/7=35.

Answer: 35 kids on each bus.

Hope this helps. May I have brainliest please? :))))

1) What are the solutions of (x/3) > -1?

is this asking if I need multiple solutions?​

Answers

Yes...

x/3 > -1

what values of x make x/3 > -1

hint... your answer will look like like x > (number)

Help please!!!!!! :( ​

Answers

Answer:

2). 2

3). 5

4). 3

5). 6

Step-by-step explanation:

Please help this is due today!
Graph the solution of 1/4x≤2

Answers

Answer:

There isnt even a graph shown to graph on.

Answer:

attached

Step-by-step explanation:

1/4x ≤ 2   same as

x ≤ 8

Number line and 2 dimension graphs

A man paid $8,000 for a boat at an auction. The salesperson received a commission of 12% from the sale of the boat. What was the salesperson’s commission?

Answers

Answer:

$960

Step-by-step explanation:

to find the commission you muake the percent into a decimal

.12

and then multiply by the sale

8000 × .12

answer is $960

What is the value of n?
07
O 11
O 14
15

Answers

07

Step-by-step explanation:

just want the answer right. thats the answer. not the answer btw just need points for my question cmon dude you know how it is. struggling really bad rn

The value of n in the given triangle is 11.

What is incenter of a triangle?

The incenter is one of the triangle's points of concurrency formed by the intersection of the triangle's 3 angle bisectors.

Given that, triangle DEF, where A is the incenter of the triangle, we need to find the value of n,

Since we know that, incenter is a point in triangle where all the angle bisector meets, therefore,

3n-6 = 27

3n = 33

n = 11

Hence, the value of n in the given triangle is 11.

Learn more about incenter of the triangle, click;

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which rational number could be graphed between -4 and -5 a. -5 .5 b. -4.25 c. 4/5 d.4.5​

Answers

Answer

C

Step-by-step explanation:

Tim is reading a book. On Monday he reads 2 pages. On each day after that, he reads triple the number of pages as the previous day. How many pages did Tim read on Thursday?

Answers

Answer:

Tim read 54 pages on Thursday.

Step-by-step explanation:

Consider the provided information.

Tim read 2 pages on Monday. Each day after that, he reads triple the number of pages as the previous day.

Monday = [tex]2=2[/tex]

Tuesday = [tex]2\times 3=6[/tex]

Wednesday = [tex]2\times 3\times 3=18[/tex]

Thursday = [tex]2\times 3\times 3\times 3=54[/tex]

Hence, Tim read 54 pages on Thursday.

How many pages does Tim read on Monday? 2 pages.

If Tim tripled the amount that he read on Monday, how many pages did he read on Tuesday? 2 × 3 = 6 Pages

Repeat for Wednesday. 6 × 3 = 18 Pages

Repeat for Thursday. 18 × 3 = 54 Pages

A skateboarder is shown below.
we
z
At which point is the skateboarder's potential energy the greatest?
Point X
Point Y
Point W
Point Z

Answers

I think the answer you’re looking for is
Point Y
-I hope this helps! Enjoy the rest of your day

Answer:

answer is w

Step-by-step explanation:

The length of a rectangle is represented by 4a+3b and its width is represented by 3a-2b. Enter the polynomial for the perimeter of the rectangle. What is the minimum perimeter of the rectangle if a=12 and b is a non-zero whole number?

Answers

Answer:

a) The polynomial for the perimeter of the rectangle is = 14a - 2b

b) 150

Step-by-step explanation:

a) The formula for the area of a rectangle is given as:

P = 2L + 2W

From the question:

The length of a rectangle = 4a+3b

The width of a rectangle = 3a-2b.

The Perimeter of the rectangle is

Perimeter = 2(4a + 3b) + 2(3a - 2b)

Perimeter = 8a + 6b + 6a - 4b

Perimeter = 8a + 6a + 6b - 4b

Perimeter = 14a - 2b

Hence:

The polynomial for the perimeter of the rectangle is = 14a - 2b

b) What is the minimum perimeter of the rectangle if a=12 and b is a non-zero whole number?

Non-zero whole number are single digit number such as: 1, 2, 3, 4, 5, 6, 7, 8, 9

The perimeter of the rectangle is = 14a - 2b

We are asked to find the minimum perimeter of the rectangle if a=12 and b is a non-zero whole number.

In order to solve this, we would used the highest non zero whole number which is 9

Hence,

For a = 12 , b = 9

14 × 12 - 2(9)

= 168 - 18

= 150

Hence, the minimum perimeter of the rectangle if a=12 and b is a non-zero whole number is 150

Determine what shape is formed for the given coordinates for ABCD, and then find the perimeter and area as an exact value and rounded to the nearest tenth.

A (−9, 3), B (−6, −1), C (2, 5), D (−5, 6)

Answers

Answer:

Perimeter = 5 + 5 + 7.1 + 10 =27.1

area = (5 + 10)x5  / 2 = 37.5

Step-by-step explanation:

Slope formula: m = (x' - x)/(y' - y)

m-AD: (6-3)/(-5 - -9) = 3/4    (I'm not detail other Other slopes)

m- BC = 3/4

m-AB = - 4/3

m-AD = m-BC         AD // BC      (ABCD is a Trapezoid)

m-AB = - 1 / m-BC

AB ⊥ BC

segment length formula: d = √(x' - x)² + (y' - y)²

AD = √(-5 - -9)² + (6 - 3)² = √4² + 3² = √25 = 5

DC = √50 = 7.1

BC = √100 = 10

AB = √25 = 5

Perimeter = 5 + 5 + 7.1 + 10 =27.1

area = (5 + 10)x5  / 2 = 37.5

area ABCD = (5+10)x5  / 2 =

simplify 27+2(6+x)

1. 35+x^2
2.39+2x
3.27+12x
4.29+8x

Answers

Answer:

39 + 2x

Step-by-step explanation:

Factor the greatest common factor out of the expression.
5m + 15m² + 5m
SHIRE

Answers

Answer:

5m

Step-by-step explanation:

The expression is 5m(1 + 3m + 1) = 5m(3m + 2), which cannot be simpolified further.

Nicholas has 6 ounces of dish soap in an old, nearly empty bottle. He also has 22 ounces of dish soap in a new, unopened bottle. Which expression tells you how much dish soap Nicholas has in all? A. 6+22 B.6x22

Answers

A. 6 + 22 is the correct answer

Domain
Range
-3
6
5
3
-2.
1

Answers

Hello there!

Domain={-3,5,2}
Range={6,3,1}

Hope this helps

Have a great day/night

A model village is built to scale.
It has a scale of 1 : 19.
A road has a real-life length of 1.14 km.
What is the length of the road in the model village in m?

Answers

Answer:

The length of the road in the model is 60 m.

Step-by-step explanation:

Given: scale = 1:19

         real-life length of the road = 1.14 km

                                                      = 1140 m

Let the length of the road in the model be represented by d. A scale is a representative fraction that can be used to either increase or decrease the length of an object.

Scale = [tex]\frac{length on drawing}{actual length}[/tex]

The actual length is the real-life length given as 1140 m.

So that,

[tex]\frac{1}{19}[/tex] = [tex]\frac{d}{1140}[/tex]

19d = 1140

⇒ d = [tex]\frac{1140}{19}[/tex]

       = 60

Therefore, the length of the road in the model is 60 m.

What is/ are the constant(s) in this expression?

3a + 6y + 18ay + 9 - 10

3a and 6y

9 and -10

- 9 and 10

9 and 10

Answers

Answer:

9 and -10 are constant

Step-by-step explanation:

constant means it shouldnt have any variable attached to it

Answer:

3,6,18,9,10

Step-by-step explanation:

numbers

(I’ll give brainilest) help asap

Answers

Answer:

option c: y=9x+0.5

that's the answer!

State if each triangle is acute, obtuse, or right. 50, 48, 14​

Answers

Answer:

Each triangle are acute.  

Step-by-step explanation:

Obtuse-an angle that is bigger than 90 degrees

Acute-an angle that is smaller than 90 degrees

Right triangle-an angle that is 90 degrees

help for this question pls :)

Answers

Step-by-step explanation:

tan(A/2)

tan(A/2)=sinA/1+cos A

tan(A/2)= 5/13÷1+12/13

tanA/2=1/5

Answer:

tan([tex]\frac{A}{2}[/tex] ) = ± [tex]\frac{1}{5}[/tex]

Step-by-step explanation:

Using the trigonometric identity

tan ([tex]\frac{A}{2}[/tex] ) = ± [tex]\sqrt{\frac{1-cosA}{1+cosA} }[/tex]

Given

tanA = [tex]\frac{5}{12}[/tex] = [tex]\frac{opposite}{adjacent}[/tex]

This is a right triangle 5- 12- 13 ( with hypotenuse 13 ), then

cosA = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{12}{13}[/tex] , then

tan ([tex]\frac{A}{2}[/tex] )

= ± [tex]\sqrt{\frac{1-\frac{12}{13} }{1+\frac{12}{13} } }[/tex]

= ± [tex]\sqrt{\frac{\frac{1}{13} }{\frac{25}{13} } }[/tex]

= ± [tex]\sqrt{\frac{1}{25} }[/tex]

= ± [tex]\frac{1}{5}[/tex]

PLEASE ANSWER ASAP WILL GIVE BRAINLIEST.
A football player kicks a ball with a mass of 0.5 kg. The average acceleration of the football was 15 m/s^2. How much force did the kicker apply to the football?

Question 2 options:

15.5 N


7.5 N


30 N


14.5 N

Answers

Answer:

7.5N

Step-by-step explanation:

The equation for force:

F = m * a

where F is force, m is mass, and a is acceleration

F = .5 kg * 15 m/s² = 7.5 N

If you earn about $1,623 per week, what would be your yearly salary?

Answers

Answer:

$592,395

Step-by-step explanation:

Because $1,623 x 365= $592,395 in a year

Which graph shows a line with the slope of 3/2?

Answers

Answer:

B.

Step-by-step explanation:

slope = Rise  (y difference) / Run (x difference)

B, Rise = 3   run = 2 slope = 3/2

The graph with a line of slope 3/2 is graph B.

What is Slope?

Slope of a line is the ratio of the change in y coordinates to the change in the x coordinates of two points given.

Slope can also be defined as the tangent of the angle that the line is making with the positive X axis.

Slope of a line with two points (x, y) and (x', y') on the lines is,

Slope = (y' - y) / (x' - x)

Take any two points from all the three graphs given to find the slope.

A. Two points are (0, 4) and (6, 8)

Slope = (8 - 4) / (6 - 0) = 4 / 6 = 2/3

B. Two points are (0, 0) and (4, 6)

Slope = (6 - 0) / (4 - 0) = 6/4 = 3/2

C. Two points are (0, 2) and (2, 8)

Slope = (8 - 2) / (2 - 0) = 6/2 = 3

Hence the graph B has slope equals 3/2.

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