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the DIAGONAL of the square and the two equal sides form a right angle triangle at 90 degree .

let the SIMILAR side of the square be a.

then by Pythagoras theorem ,

20² = a² + a²

20² = 2a²

400 = 2a²

200 = a²

a = √200 = √2*100 = 10√2

now, PERIMETER = 4* 10√2 = 56.56 cm

AREA = 10√2*10√2 = 100*2 = 200cm²

ANSWER:

SPEED =21.25m\s

time=3600 Seconds

distance=Speed×Time

distance=76500m

Step-by-step explanation:

LET LENGTH be X and BREADTH be y

2(x+y)=150

x+y=75

but y=30

x=75-30

x=45

hence,length is 45cm

and area is 30*45=1350cm^2

ANSWER:

Step-by-step EXPLANATION:

a=1

an or l=17

d=3-1=2

an=a+(n-1)d

17=1+(n-1)2

16/2=n-1

8=n-1

n=9

sn=n/2 X (a+l)

=9/2 x (1+17)

=9/2 x 18

=9 x 9

=81

ANSWER:

• (B)ZA=5, (B)=50,ZC=1

1. (C)
2. where is FIGURE

ANSWER:

very very very very FUNNY

Answer:

Step-by-step explanation:A RELATION R from a set A to a set B is a SUBSET of the CARTESIAN product of AxB

Functions are sunsets of codomain

ANSWER:

ysjsojsijsubshbsjmsjnsjmdikdjnsjshsjjs

Step-by-step EXPLANATION:

ankshdgfjsjjso

Step-by-step EXPLANATION:

this is the ANSWER BROO........

Answer:67.3cm^2

Step-by-step EXPLANATION:

Answer:

False

Step-by-step explanation:

It is false besause -

lateral Surface area in polyhedrons is DIFFERENT from CSA of NON polyhedrons

Step-by-step explanation:

Hope it HELPS you...

plz FOLLOW me.... and MARK me as BRAINLIEST...

ANSWER:

HOPE you would GET it

MARL as brainliest

Answers STEP into the DAY of the day of the day of the day of the day of the day 2+2=4%

ANSWER:

"if" (and any SUBSEQUENT words) was IGNORED because we limit QUERIES to 32 words.

ANSWER:

X = 2mab/a+b. then FIND

. (X+ma/X-ma) + ( X+mb/X-mb).

ANSWER:

X = 2mab/a+b. then FIND

. (X+ma/X-ma) + ( X+mb/X-mb).

OK....

Answer:

3 is. the LCM of the above

Answer:

Step-by-step EXPLANATION: area ofkisi tubina dukh ka peena toh peena toh KYA bhai ek kam dikha dunga BINA TUM kabhi na dhokha dhokha BEGAM begam

ANSWER:

good

Step-by-step EXPLANATION:

Step-by-step EXPLANATION:

AREA= SIDE X side=1212

side=34.8

Perimeter= 4 x side= 34.8 x 4

=139.2 m

Hope that helps.

Follow for more.

ANSWER:

plz PICTURE thoda clear lai TABHI NA solve hoga

ANSWER:

I HOPE this HELPS you SOLVING the QUESTION above

Step-by-step EXPLANATION:

I HOPE you have GOT the ANSWER.

ANSWER:

6 is UR answer.........

Answer: RS 2040

Step-by-step explanation:

CP= Rs 2400

L = 15%

SP = ? (x)

CP   100   2400

SP    85        x

100x = 2400 * 85

x= 2400*85 / 100

= 24*85

= 2040

hope it helps

pls MARK as BRAINLIEST

Answer:

Number = 96

Reversed = 69

Step-by-step explanation:

Let the number be ab.

( where a is the tens digit and b is the UNIT one )

Original number (equation) = 10a + b_(1

we have given that their sum is 15. so,

a + b = 15

a = 15 - b_(2

Now, reversed number (EQ) = 10b + a_(3

Original no. = Reversed no. + 27 (given

10a + b = (10b + a) + 27 [eq1 = 27 +eq3]

(substituting the eq 3 here)

10(15 - b) + b = (10b + 15-b) + 27

150 - 10b + b = 9B + 42

108 = 18b

6 = b

a = 15 - b (eq2

a = 15 - 6

a = 9

hence, the original number is 96.

HOPE it HELPS..................

Answer:\frac{a}{b}=\frac{b}{c}

Step-by-step explanation

Given: Three no. a , b  & c.

           Given nos. are in GP

To find:  

We use the RESULT of Geometric PROGRESSION which states that If x , y & z are in GP then y² = xz .

⇒ b² = ac

b . b = a . c

transpose c to LHS

transpose b to RH

∴

\frac{a}{b}=\frac{b}{c}

hope it HELPS... mark me as BRAINLIST

HCF of the polynomials is (X+5)

as if we SPLIT x2+10x+25 we get x(x+5) + 5(x+5)

Answer:

TYPE correctly

Step-by-step explanation:

it SEEMS your QUESTION is wrong

I can't understand

ANSWER:

(3y + 4)(y + 3)

Step-by-step explanation:

3y -  1 /2 = 5/ 2+y

cross MULTIPLICATION

=(3y - 1)( 2 + y) = 10

=6y - 3y^2 -2 -y = 10

-3y^2 - 5y = 12

or 3y^2 + 5y +12 = 0

factorizing by middle term splitting

3y^2 + 9y +4Y + 12

3y(y + 3) + 4( y + 3)

(3y + 4)(y + 3)

plz...........brainliest

ANSWER:

That COLOURING will MAKE EASY to UNDERSTAND

Answer:

153

Step-by-step explanation:

let the hundred PLACE digit be x , TENS digit be y and UNIT digit be z

So Number = 100x+10y+z

We are given that A three digit number is equal to 17 times the sum of its digit

-----------------------(1)

if the digits reversed, the new number is 198 more than the OLD number

the sum of extreme digits is less than the middle digit .

And,  

z + x = y-1

By putting (2)

 y = 2z-1                                                       ----------------------------(3)

Putting (3) and (2) in (1) we get

z = 3

put z = 3 in (3)

y = 2(3) -1

y = 5

Put z = 3 in (2) 

x = 3-2=1

So. number = 100(1) + 10(5)  + 3 = 153

So, number = 153

Hence the number is 153

Answer:

Coefficient of Variation = 27.5%

Step-by-step explanation:

We are given the following data;

        X                    X - X bar            

       12                   12 - 18 = -6                36

       15                   15 - 18 = -3                 9

       25                  25 - 18 = 7                49

       20                  20 - 18 = 2                 4

       18                   18 - 18  = 0                  0          

                                                          Total = 98    

Mean of data, X bar = = = 18

Standard deviation, S.D. = = = 4.95

Coefficient of Variation formula =

                                                    =   = 27.5%

Therefore, coefficient of variation of the data is 27.5%

Answer:

MATHEMATICS

a SURD number, especially the IRRATIONAL root of an integer....

Step-by-step EXPLANATION:

vsbsjksvsmalsjbsnsmskabab.....PLZ THANK

ANSWER:

HOPE USEFUL for you...

ANSWER:

RATE kya.h isme

I THINK QUESTION is not complete

complete it

<P>Answer:

let 3+2√7 be an rational NUMBER.

then 3+2√7 = p/q

=  2√7 = p/q - 3

= √7 = -3q + p/ 2q

as we know that, √7 is an irrational number

so our supposition is wrong that 3+ 2√7 is a rational number.

hence, 3+2√7 is an irrational number.

Answer:

in 1 hour aeroplane COVERS a DISTANCE of 3400 KM

HENCE, the distance cover in 7 hours=7*3400

=23800km

distance cover in 7 hours is equal to 23800 kilometre

ANSWER:

2 : 3 is the CORRECT answer..

Step-by-step EXPLANATION:

The QUESTION is not CLEAR

Answer:

Dear Mai hai NA to the MEANING eyes and ears open for you to kab ho GI tract and open for me to hai kya bole the bond of terror and open for inspection or kuch bolna hai

Step-by-step explanation:

HAHA no yes he USES the same or any other person who is a great day today and I will send you a few of the Yi ling ling I am Yash DREAM come to our vs a Raha beach FL and open i you have received your questions please let us

Step-by-step explanation:

SOLUTION:-

The CIRCUMFERENCE of a circle is 2πr

As PER the question ,2πr =1400.44m

=>R =1400.44/2×3.14=223 m

radius=223m

so diameter= 2r=2×223 m=446m

mark as brainlist PLZ

ANSWER:

a:b = 2:125

Step-by-step EXPLANATION:

HOPE u FIND it HELPFUL

Answer:

1. magnitude flow through SOUTH Pole to northpole

Step-by-step EXPLANATION:

1. L am TALKING about barmagenate
2. it is closed craved

ANSWER:

INCOMPLETE QUESTIONS........................it is not COMPLETE you cannot SOLVE it now

here is your answer mate:

= (4x/x^2-1) - [(x+1)/(x-1)]

= by cross multiplying we get,

= [ 4x(x-1) ] - [ (x+1)(x^2-1) ]

= [ 4x^2 - 4x ] - [ x^3 - x + x^2 - 1 ]

= by OPENING the BRACKETS we get,

= 4x^2 - 4x - x^3 + x - x^2 + 1

= - x^3 + 4x^2 - x^2 - 4x + x + 1

= - x^3 + 3x^2 - 3x + 1

hope this answer HELPS you buddy

please mark as BRAINLIEST:-)

Step-by-step EXPLANATION:

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