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By Euclid's Division Algorithm,

237=81(2)+(75)

81=75(1) + (6)

75=6(12)+(3)

6=3(2)+(0)

HCF =3

Expressing it in the form of 237x+81y=HCF

3=75-6(12) { From 2nd last step}

3=75-(81-75)(12) {Substituting}

3=75-(81×12-75×12)

3=75-81×12+75×12

3=75(13)-81(12)

3=(237-81×2)(13)-81(12)

3=237(13)-81(38)

3 = 237 (13) + 81 (-38) {we need an expression in the form 237x + 81y }Therefore, x =13 , y =- 38

0.2x + 0.3y = 1.3 0.4x + 0.5y = 2.3 Multiply 1st equation by 2 and subtract 2nd equation from 1st 0.4x + 0.6y - 0.4x - 0.5y = 2.6 - 2.3 0.1y = 0.3 y = 3 Put value of y in 1st equation 0.2x + 0.3×3 = 1.3 0.2x + 0.9 = 1.3 0.2x = 1.3-0.9 0.2x = 0.4 x = 2

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5/9 + (-7/9)

5/9 - 7/9

(5 - 7)/9

-2/9

After simplifying17/7*35/6÷34/385/6÷34/385*3/34*6

45thanks

After simplifying17/7*35/6÷34/385/6÷34/385*3/34*645 is the answer

17/7*35/6÷34/3

85/6÷34/3

85*3/34*6

=45

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0.2x + 0.3y = 1.3 , on multiplying it with 2 => 0.4x + 0.6y = 2.6

and other equation is 0.4x + 0.5y = 2.3 subtracting 2 from 1 => 0.6y - 0.5y = 2.6 -2.3 => y = 0.3/0.1 = 3 and then x = (2.6-1.8)/0.4 = 0.8/0.4 = 2

InΔAED andΔBFC,AD = BC (Given)DE = CF (Distance between parallel sides is same)∠AED = ∠BFC= 90°ΔAED ≅ ΔBFC (RHS Congruence criterion) Hence ∠DAE = ∠CBF (CPCT) … (1)Since AB||CD, AD is transversal∠DAE + ∠ADC = 180° (Sum of adjacent interior angles is supplementary)⇒∠CBF + ∠ADC = 180° [from (1)]

Since sum of opposite angles is supplementary in trapezium ABCD.Thus ABCD is a cyclic trapezium

1) class intervals2) 200-2253) 300-3254) 2755)150-175,225-250

answer is n+5÷total friends+1

Karan has n chocolateshe gave 5 to younger brother=n-5distributed to his friendshencen-5/2

HCF(3³ × 5, 3² × 5²) = 3² × 5 = 45

1.The silk route connected China to Europe. Chinese silk and Chinese pottery travelled through theses routes.

2. Historians have identified many silk routes in Asia, linking Asia to North Africa. This created a pre- trade system. Indian textiles and spices and Chinese pottery from Southeast Asia travelled to Europe and North Africa.

3. Early Christian Missionaries and later Muslim Preachers travelled through these routes. Buddhist Missionaries used to travel India to China through these routes and Chinese Buddhist used to travel India through these routes.

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given:bxy=0.2byx=1.8

Option (C) is correct

The HCF of 45,60 and 75 is 15 I Hope this will help you......

45 =( 3)×3×(5)60=2×2×(3)×(5) 75=(3)×(5)×5Now , the HCF is 3×5=15

45=(3)×3×(5)60=2×2×(3)×(5)75=(3)×(5)×5It's HCF is 3×5=15

All fo theae are lineras they followy = mx+c

55 degrees is the right answer

55° is the correct answer to this question .

55° is the correct answer of the given question

55°...because angle BOC=angle AOD..then circle =360°..so angle DOC=angle AOB=55°..then sum of all angles in ∆ AOB =180°,then angle OAB = 55°

<BOC=<AOD(VERTICALLY OPPOSITE ANGLE )=125LET <DOC=X= <AOB(IT IS ALSO VERTICALLY OPPOSITE ANGLE)X+X+125+125=360(Angle on a point)2x= 360-250x= 110/2=55°<DOC+<ODC+<OCD=180 (sum of internal angle of ∆ is 180)70+55+<OCD=180<OCD= 180-125= 55°<D= <B= 70℃<A=<C=55°<OAB=55°

55° is the right answer

angle a aob =55 by using suitable properties

(a) x+125+125=360x+250=360x=360-250 =110(b) x+90+60+90+70=360x+310=360x =360-310 =50

mean = sum of no.s/ total no.sgiven mean=5one no. is 6let other be xthen5=(6+x)/210=6+xx=4

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I am understanding by 10th class ex-12.3But I am confused in subjects?Please tell me a suitable subject.

4p2− 9q2= (2p)2− (3q)2

= (2p+ 3q) (2p− 3q)

[a2−b2= (a−b) (a+b)]

place value of 5 is 1/100

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b= 180-125= 55c= 180-70 = 110a= 180- 108 = 72so a+b+c+x= 360so x= 123

108+125+70+x 360 x 303-360 x 57 is your answer

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1) Pappachi slouched around the compound in his immaculately tailored suit, weaving sullen circles around the mounds of red chillies and meekly powdered yellow turmeric.

2) He became a familiar sight in Ayemenem, coasting importantly down the narrow road in his wide car, looking outwardly elegant but sweating freely inside his woollen suits.

3) Pappachi’ss Moth was held responsible for his black moods and sudden bouts of temper.

pappchi'ss moth was held responsible for his black moods and sudden bouts of temper

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