the breadth of a rectangular handkerchief is 10 cm shorter than its length .if the perimeter of the handkerchief is 100cm. find its length and breadth..
plz help me​

Answers

Answer 1

Step-by-step explanation:

Perimeter = 2(l+b)

2(x+x-10)=100cm

(x+x-10)= 100 divided by 2

(x+x-10)=50

2x-10=50

2x=50+10,60

x=60 divided by 2

X =30

Length = 30cm

Breadth= 30-10= 20cm

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Answer 2

Answer:

solution given:

length[l]=xcm(let)

breadth [b]=(x-10)cm

perimeter of rectangle [P]=100cm

we have

P=2[l+b]

100cm=2[x+x-10]

2x-10=[tex] \frac{100}{2} [/tex]

2x=50+10

x=[tex] \frac{60}{2} [/tex]

:.x=30cm

So

length[l]=x=30cm

breadth [b]=(x-10)=30-10=20cm


Related Questions

What is the radius of the diameter of a circle that is 14 inches?

Answers

Diameter: The length of the circle

Radius: Half of the diameter

If the diameter of the circle is 14 inches, the radius would be 7 inches as the radius is half the diameter

Jane and 3 friends decided to split the cost of a pizza evenly. The total cost was $25.48. How much does each friend have to pay?​

Answers

Answer:

$6.37

Step-by-step explanation:

Jane and 3 friends = Jane + another 3 people

= 4 people in total

Total Cost of pizza = $25.48

If 4 people split $25.48 evenly,

Amount each friend has to pay = Total Cost of pizza/Total number of people

= $25.48/4

= $6.37 per friend

Each friend has to pay $6.37 each if $25.48 is splitted evenly amongst them

A middle school took all of its 6th grade students on a field trip to see a ballet at a theater that had 3840 seats. The students left 2496 seats vacant. What percentage of the seats in the theater were filled by the 6th graders on the trip?

Answers

Answer:

The answer is 35%

Step-by-step explanation:

To work out percentage.

(No. Of students / Total Available Seats) * 100

1,344 ÷ 3840 = 0.35

0.35 * 100 = 35%

So, the answer is 35%

Hope this helps! :)

The percentage of the seats in the theater were filled by the 6th graders on the trip will be 35%.

What is mean by Percentage?

A number or ratio that can be expressed as a fraction of 100 or a relative value indicating hundredth part of any quantity is called percentage.

To Calculate the percent of a number , divide the number by whole number and multiply by 100.

Given that;

Total seats in theater = 3840

And, The students left 2496 seats vacant.

Now,

Find the percentage of the seats in the theater were filled by the 6th graders on the trip as;

Since, Total seats in theater = 3840

And, The students left 2496 seats vacant.

So, Number of students in 6th grade = 3840 - 2496

                                                         = 1344

Hence, The percentage of the seats in the theater were filled by the 6th graders on the trip;

= 1,344 / 3,840  x 100

= 35%

Thus, The percentage of the seats in the theater were filled by the 6th graders on the trip will be 35%.

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Given that = 3.14, calculate the circumference of the circle with radius 10cm.

Answers

62.8 cm is the answer
≈62.83cm

Using the circumference formula, we get that C=2(3.14)10=62.83

y'all please answer this, i asked this two times already :(

A digital thermometer records the daily high and low temperatures. The high for the day was -5 C. The low was -12 C. What was the difference between the day's high and low temperature

Answers

Answer:

-7 C

Step-by-step explanation:

The difference between -5 C and -12 C is -7 C, since -12 - (-5) = -7

Answer:

7 degrees celsius

Step-by-step explanation:

because from -5 to -12 it is 7

HELP ASAP!!!!!! 34 ÷ (14 − 5) × 2

Answers

Answer:

B

Step-by-step explanation:

Answer:

14-5=9, then 34 / 9 x 2, 9x2=18, 34 / 18= 1.888888 orrrr 34 / 9= 3.7777 that x 2 = 7.55555554

Please someone actually help me with this

Answers

Answer:

π radians

Step-by-step explanation:

The angle subtended at the centre by an arc, has the same measure as the arc subtending it, then

angle subtended = measure of arc = π radians

Divide.
Your answer should give the quotient and the remainder.
Quotient:

Remainder:
Tendou-san Look what I found ^^

Answers

Answer:

Why do you talk with the other people so much???

Step-by-step explaWnation:

Solve for the area of this triangle, explanation would be greatly appreciated!

Answers

9514 1404 393

Answer:

  13√731 ≈ 351.48 cm²

Step-by-step explanation:

When given three sides of a triangle, there are a number of ways that the area may be calculated. Perhaps the most straightforward is the use of Heron's formula.

Where s is the semi-perimeter, the area is given by ...

  A = √(s(s -a)(s -b)(s -c)) . . . . . . . . s = (a+b+c)/2

Here, the value of s is ...

  s = (30 +30 +26)/2 = 43

  A = √(43(13)(13)(17)) = 13√(43·17)

  A = 13√731 ≈ 351.48 . . . . . square centimeters

_____

Additional comments

This triangle is isosceles, so the altitude can be found from the Pythagorean theorem:

  h² +13² = 30²

  h = √(900 -169) = √731

Then the area is ...

  A = (1/2)bh = (1/2)(26 cm)(√731 cm) = 13√731 cm²

__

You can also find one of the angles using the Law of Cosines, then find the area from ...

  Area = (1/2)a·b·sin(C) . . . . . . for any two sides a, b, and enclosed angle C

__

Ultimately, all of these methods are equivalent to Heron's formula.

Erinn's basic cell phone plan charges
$54.99 for service plus $0.18 per minute
beyond the included 500 minutes in the
plan.
How much will it cost Erin if she used her cell phones home for 570 minutes in one month?

Answers

Answer:

137.59

Step-by-step explanation:

WILL GUVE BRAINMIEST HURRY PLS

Answers

Answer:

pi= 3.14159

r= half of diameter , it is 4

h= 20

v= pi (4) ^2 (20)

Step-by-step explanation:

V=3.14x4 squared x20
502.4

How do i measure the circumference of a circle?

Answers

Answer:

C=2 x pi x radius

Step-by-step explanation:

this is the formula

Step-by-step explanation:

To calculate the circumference of a circle, multiply the diameter of the circle with π (pi). The circumference can also be calculated by multiplying 2×radius with pi (π=3.14).

C = 2πr

Most of the time, you can leave you answer in terms of pi (Ex: 2π), insteqad of actually multiplying it by pi.

Does this help?

PLEASE HELPPPP!!!!!!!!!!

Answers

Answer:

8x15x12=1440

Step-by-step explanation:




Fahima buys
2 packets of bread rolls costing £1.50 for each packet
1 bottle of ketchup costing £1.60
3 packets of sausages
Fahima pays with a £10 note.
She gets 30p change.
Fahima works out that one packet of sausages costs £2.30
Is Fahima right?
You must show how you get your answer.
?

Answers

Answer:

Fatima is wrong

Step-by-step explanation:

1.50*2=$3

ketchup=$1.60

3*2.30=$6.9

3+1.60+6.9=$11.5

so i dont think that fatima can pay it with just $10.

7x² 10

what is the value of the expression when x=6​

Answers

The value would be 2,520

Answer:

2250

Step-by-step explanation:

X =6

7x2 10

7*(6)2 *10

7*36* 10

225*10

2250

SERE
RE
a.
Which of the following equations correctly describes how to calculate gross profit?
gross profit = (net sales) - (cost of goods sold)
b. gross profit = (cost of goods sold) - (net sales)
gross profit = (net income) - (operating expenses)
d. gross profit = (operating expenses) - (net income)
C.

Answers

Answer:

Step-by-step explanation:

d.

net income = (net sales) - (cost of goods sold) - (operating expenses)

i hope I’m right lol

Answer:

its a. gross profit = (net sales) - (cost of goods sold)

Step-by-step explanation:

1. Expresa cada función cuadrática f en la forma f(x)-yo = p(x – xo) x ϵ R, donde xo , yo , p ϵ R son elegidos apropiadamente. Indica las coordenadas
del vértice de la parábola, el mínimo o máximo de la función f, sobre todo R. Traza la gráfica de f.
a) f(x)= 2x2 + 3x -5, ϵ R,
b) f(x)= -3x2 + 7x +9, ϵ R,
c) f(x)= - x +1, ϵ R,


AYUDA LE DARE CORONA PLIS

Answers

Answer:

Step-by-step explanation:

1. Express each quadratic function f in the form f (x) -yo = p (x - xo) x ϵ R, where xo, i, p ϵ R are appropriately chosen. Indicate the coordinates

of the vertex of the parabola, the minimum or maximum of the function f, especially R. Draw the graph of f.

a) f (x) = 2x2 + 3x -5, ϵ R,

b) f (x) = -3x2 + 7x +9, ϵ R,

c) f (x) = - x +1, ϵ R,

HELP YOU GIVE YOU CORONA PLIS

An industrial factory makes 4 3/5 yards of
chain every minute. The cost of each yard of
chain is $6.59. What is the total cost for all
chain produced in 10 minutes?

Answers

In 10 mins 46 chains
46x 6.59 = $303.14

The total cost for all chains produced in 10 minutes will be $303.14.

What is the rate?

The rate is the ratio of the amount of something to the unit. For example - If the speed of the car is 20 km/h it means the car travels 20 km in one hour.

An industrial factory makes 4 ³/₅ yards of chain every minute. Then the rate is given as,

Rate = 4 ³/₅

Rate = 4 + 3/5

Rate = 4 + 0.60

Rate = 4.60 yards per minute

The cost of each yard is $6.59. Then the cost per minute is given as,

⇒ $6.59 x 4.60

⇒ $30.314 per minute

Then the total cost for all chains produced in 10 minutes will be given as,

⇒ $30.314 x 10

⇒ $303.14

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Evaluate the function f(x)=2x-7 using the values given below. f(-3)=

Answers

Answer:

-13

Step-by-step explanation:

f(x)=2x-7

f(-3)=2(-3)-7=-6-7=-13

The histogram gives information about the waiting in minutes

Answers

Answer:

I dont know if that was a question, but that statement is true.

the question is

the incomplete histogram and table give some information about the waiting time in minutes, experienced by patients at a dental surgery. use the histogram to complete the table.

The length of a rectangle is

8 inches longer than the

width. If the ratio of the

length to perimeter is 5:16,

what is the area of the

rectangle?

Answers

Answer:

Step-by-step explanation:

The area of the rectangle is 240 square inches if the length of a rectangle is  8 inches longer than the width. If the ratio of the length to the perimeter is 5:16.

What is the area of the rectangle?

It is defined as the area occupied by the rectangle in two-dimensional planner geometry.

The area of a rectangle can be calculated using the following formula:

Rectangle area = length x width

It is given that:

The length of a rectangle is  8 inches longer than the width. If the ratio of the length to the perimeter is 5:16

As we know, the two-dimensional geometry in which the angle between the adjacent sides is 90 degrees. It is a type of quadrilateral.

Let l and w be the length and width of the rectangle:

l = 8 + w

w = l - 8

l/P = 5/16  (the length to the perimeter is 5:16)

P is the perimeter of the rectangle.

P = 2(l + w)

l/[2(l + w)] = 5/16

16l = 10(l + w)

8l = 5(l + l - 8)

8l = 10l - 40

2l = 40

l =20 inches

w = 20 - 8 = 12 inches

Area = 20x12 = 240 square inches

Thus, the area of the rectangle is 240 square inches if the length of a rectangle is  8 inches longer than the width. If the ratio of the length to the perimeter is 5:16.

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(6x^2−5x)−(4x^2−3x+4)

Answers

Answer:

2 • (x + 1) • (x - 2)

Step-by-step explanation:

2 times (x + 1) times (x - 2)

Suppose a student picks 3 points at random from Q, R, S, T, W shown below. Find the probability that these randomly chosen points are noncollinear

Answers

Do u have the pic from the sheet of it ??

Tia's dessert cost her $2.50 plus 0.15 per topping..

Proportional or non-proporitonal?​

Answers

Answer: Non-proportional

This is non- proportional

Ned needs to solve the division problem shown. 40 ÷ 8=​

Answers

Answer:

5

Step-by-step explanation:

40/8=5 memorize multiplication table

Answer: 5

Step-by-step explanation: sorry if it looks messed up=3

          0 5

   ----------------

8 /     40

         − 0  

-----------------------

       4     0

− 4 0

------------------------

   0

Which number line model represents the expression -2 + 4.5 ?

Answers

Answer:

the second pic. A

Step-by-step explanation:

What is the radius of the circle?

Answers

The radius of a circle is diameter divided by 2. 10cm divided by 2 is 5cm.

The radius of the circle is 5cm.

Answer:

5 cm

Step-by-step explanation:

To find the radius, divide the diameter by 2.

10/2 = 5

PLEASE HELP ME

In a batch of eggs, 3% were broken. There were 18 broken eggs
How many eggs were there in the batch?

Answers

Answer: 600 eggs

Step-by-step explanation:

Let total number of eggs be x.So, 3% of x were broken and there were 18 broken eggs. We can write this as: 0.03*x =18x=18/0.03x= 600 eggs (answer).

Total number of eggs in the bags are 600.

What is Percentage?

Percentage is a number or ratio that can be "expressed as a fraction of 100".

According to the question,

Percentage of broken eggs =  3%

Number of broken eggs = 3/100 = 0.03

To calculate the total number eggs,

[tex]\frac{3}{100}[/tex] (x) = 18

      x  = 1800/3

      x = 600.

Hence, the total number of eggs in bags are 600.

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из 300 насосов 60 подтекает Найдите вероятность купить хороший насос​

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80% шанс получить хороший насос Конрад

1 b. 2 c. 3 d. 4 5(z + 1) = 3(z + 2) + 11 Solve for Z 

Answers

Answer:

5z+5=3z+6

5z+3z=6+5

8z=11

z=11÷8

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