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71301.

The difference between the two acute angles of a right-angled triangle is radiansExpress the angles in degrees.

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thnkuu

71302.

of childrenThirty women were examined in a hospital by a doctor and their ofminute were recorded and summarised as shown. Find the mean heart beats perfor these women, choosing a suitable method.68-71 71-74 74-77 77-80 80-83 83-86aerofheart beats/minute 65-684.78 , ,2 ,3,4 ,Aber of women225me-In a retail market, fruit vendors were selling oranges kept in packing baskets. Thesebaskets contained varying number of oranges. The following was the distribution oforanges.25-2920-2430-3410-14 15-19umber of oranges135110115umber of baskets 15Find the mean number of oranges kept in each basket. Which method of finding themean did you choose?The table below shows the daily expenditure on food of 25 households in a locality.Dailyexpenditure (in Rupees) 100-150 150-200 200-250 250-300 300-350Number of house holds4 1122

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i do not know this questions sorry

...........................

I do not know. I am sorr

4+5+12+2+2=9+12+4=12+13=25, 25/5=5

71303.

I. In an A.P,2. Find the sum of n terms of an A.P whose kthterm is (5k +1

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thank you

71304.

In. 2015 who became the. youngest. Nobel prize. winner?

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71305.

SAS congruent

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The Side Angle Side postulate (often abbreviated asSAS) states that if two sides and the included angle of one triangle arecongruentto two sides and the included angle of another triangle, then these two triangles arecongruent.

71306.

The acute angles of a right triangle are in the ratio 2:1. Find each of these angles.

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71307.

R (- 25) +- ( 10) ÂŤ ( 5K

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=15×-25×-10×-5=-18750

15 × (-25) × (-10) × (-5) = -150 × 125 = -18750

71308.

. The acute angles of a right triangle are in the ratio 4:5. Find each of these angles.

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71309.

4203/(Set: A)32. निम्नलिखित बारंबारता बंटन का माध्य ज्ञात कीजिए ।अन्तराल 100-120 120-140 140-160 160-180] 180-20बारा । 12 14in the mean of the following frequency| 6| 10 ।

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71310.

6. If ZA andB are acute angles suchthat cos A = cos B, then show thatLA-LB.

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71311.

14 If the sum of the zeroes of the polynomial x -(k+3)x + (5k -3) is equal to one-fourth ofe sum of the zeroes of the polynomial x2-(k +3) x + (5k-3) is equal to one-fourth ofthe product of zeroes then find the value of k

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sum of zeroes=-b/a = k+3

product=c/a =5k-3

k+3=(5k-3)/4

4(k+3)=5k-3

4k+12=5k-3

5k-4k=12+3

k=15

71312.

1. Write down the)a i+2/+5k

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thanks

71313.

The daily expenditure of 100 families are given below. Calculate fi andf if the mean daily expenditure is 188.12.Expenditure 140-160 160-180 180-200 200-220 220-240(in )Number offamilies25

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71314.

IX Rewrite as directed.21. Rabindranath Tagore wrote Gitanjali.(Change into passive voice)minto prefixes

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gitanjali was written by Rabindranath Tagore

Gitanjali is written by Rabindranath tagore

gitanjali was written by Rabindranath

Gitanjali was written by Rabindranth Tagore.

Gitanjali was written by Rabindranath tagore

Gitanjali was written by Rabindranath Tagore.

Gitanjali was written by Rabindrnath tagore

Gitanjali was written by Rabindranath Tagore

gitanjali was wrote by rabindarnath tagore

Gitanjali was written by Rabindranath Tagore

Gitanjali was written by Rabindra Nath Tagore.

gitanjali was written by Rabindranath Tagore

Gitanjali was written by Rabindranath Tagore

71315.

.If Z A and 4 B are acute angles wuch that cos A-oos B, then show that zA-4B

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in a right triangle ABC cos A =AC\AB cos B=BC\AB cos a=cos B

71316.

प्रश्नावली 6.1हलकीजिए-(i)x-5+(vi).r+40372हल कीजिए-(ii)x-211(vii)x-25=-22(iv)a-(vii)x-(ii)50(iv)c-दल कीजिए-24- (x-18x+36)(iv)5(iii)4-7x=9-8xm .

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1).X-5=4X=4+5X=92).X-2=11x=11+2x=13

I)x-5=4x=4+5x=9iii)x-2=11 x=11+2 x=13vi)x+40=72 x=72-40 x=32vii)x-25=-22 x=-22+25 x=3is the best answer

ii)x/4-2=x/6 x-8/4=x/6 x-8=x/6×4 x-8=2x/3 2x-x=8×3 x=24is the best answer x-8=x/6×2

iii)x/2-x/3=5 3x-2x/6=5 x/6=5 x=5×6 x=30 is the best answer b

x=13 is right answer..........

71317.

12If Z A and 4 B are acute angles such that cos A - cos B, then show that ZA LB

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71318.

Short Answer Type Questions (SLAB-I)1. In APQR, R540-3 (ZP + 4Q), find all theangles of APQR.ZA, ZB, ZC of AABC.

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71319.

)149. (C) 150. (A) 151.(Cn/A) 140, (B)160), (B)r

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71320.

=16H12-12T×36 = 5760016 36 576TEXT BOOK EXERCISE 1.Q. 1. Using Appropriate properties- 2 3 5 3 1(ii) 2×(-3)-13+14 x 25Solution.(i) We have:

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71321.

4. Check whether (5, -2), (6, 4) and (7,-2) are the vertices of an isosceles triangle.

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71322.

LEVEL 1EXERCIA1. In a A ABC, if ZA = 55°, ZB = 40", find ZC.. If the anelor of

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Sum of All ∠ of Triangle = 180 Given ∠A= 55 ∠ B = 40

Therefore, ∠A + ∠B + ∠C = 180 55 + 40 + ∠C = 180 95 + ∠C= 180 ∠C = 180 - 95 ∠C = 85

simple add the angle a and b you give the answer of c

sum of interior angles in a triangle =180°

<A+<B+<C=180[Angle sum property]

55+40+<c=180<C=180-95<C=85.

A+B+C=180'55'+40'+C=180'95'+C=180'C=180'-95'C=85'

the sum of all angle is =180 so angle a +b =180 40+55=18095=180taking 95 on right side 180-9585

71323.

1. In AABC, ZA = 44º. If AB = AC, find ZB and ZC.

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B = 68, C = 68 is correct answer

68° , 68° is the correct answer of the given question

angle B = 68° and angle C = 68°

answer is 180-44=136and 136/2 ( because AB=AC, so B=68 AND C= 68

71324.

Uy Juru le result is subIn a ABC, if ZA = ZB = xº, then find ZC

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C=x because a and b is equal so c is also x

71325.

5 ) मा ४६ 211धे से जैhिa 1 -

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maiden 5 meter chora h to 5×3=15 meter lamba hoga

maidan 5 meter chora h to 5×3=15 meter lamba hoga

71326.

1. AABC, IF AB AC and 28 = 65" find ZC and ZA4. Wannels and the view and in

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GivenAB=ACThusAngle C = angle B

because angles opposite to equal sides are equal

so angle C = 65°angle A = angle A + angle B + angle C= 180 °

angle sum property of triangle

angle A+ 65° + 65° = 180°angle A = 180 - 130 angle A = 50°

71327.

4. In a AABC, ZA 2 ZB 3 ZC, find each angle of the triangle.

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71328.

M ही दी है. * el 6. ,. नि1491 'प्रा0 ‘211 ‘6194 ‘€D हाजद न ८

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1. U21

C -> +3 ->> F 3 + 3 = 6=> C3 ->> F6

Similarly, add 3 places to alphabet and 3 to the numerical part to get consecutive pairs.

R -> +3 ->> U 18 + 3 = 21=> R18 ->> U21

71329.

4211. If x =| -, then the value of x

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71330.

(C) 56(D) 58151, 7, 181, 10, 211, 4, 241,?

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71331.

Check whether the relation R in R defined by R-โ(a, b) 4 SV } is reflexive.symmetric or transitive.

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71332.

Exercise 141. Check whether(i) 21 and 22

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please provide complete question

71333.

Check whether 4&amp;25 are co- paine or not?

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factors of 4=1,2,4 factors of 25 =1,5,251 is the common factor hence we can say that 4 and 25 is coprime

71334.

Undersparallelogram in which ZA-70°. Compute ZB. ZC andD.

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71335.

- ABCD is a quadrilateral. AO and BO are the angle bisectors of angle Aand B which meet at O. If ZC = 70°, ZD-50°, find ZAOB.

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7 Is the correct answer

71336.

The angles of a quadllIlln the adjoining figure, ABCD is a trapeziumin which AB | DC. If LA -55° and4find ZC and ZD.. IB =70,55°A.70

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71337.

1. In the given figure, ABCD is a trapezium in which AB IDC. If ZA = 55° and LB-70hZC and ZD.55°70°

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AB||DC

angle D = 180° - 55 ° = 125°( Co - interior angle)

angle C = 180° - 70° = 110°( Co - interior angle)

71338.

find ZCA = 100°; findnknown marked angles in ea115xx.

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please like my answer if you find it useful

71339.

Find the value of Îą, if y"is anintegrating factor ofthe differential equation2xy dx-(3x2-y2) dy = 0.

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71340.

4. The taxable value of a wrist watch belt is Rs 586. Rate of GST is 18%.Then what is price of the belt for the customer ?

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taxable value=₹586GST=18%of ₹586=₹105.48

Hence, the final price for the customer=₹586+₹105.48=₹691.48

71341.

Evaluate (3x2 +2x +1) dx as the limit of a sum.

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71342.

. Two types of water tankers are available in a shop. One is in cubic form of dimensions 1 m*1 m*1 m and another is in cylindrical form of diameter 1 m and height 1 m(i) Calculate the volume of both the tankers.

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Side of cubic tanker = 1m Volume of cubic tanker = 1 x 1 x 1 =1m3

Radius of cylindrical tanker = 1/2 = 0.5Height = 1mVolume =πr2h =πx 0.5 x 0.5 x 1 = 0.25π m3

71343.

e the following:120-15(b)2ab + 2bc(c) 14a -42211

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1)12a - 15 = 3(4a - 5)

2)2ab +2bc = 2b(a+c)

3)14a - 42 = 14(a-3)

71344.

reD5.Check whether the relation R in R defined by R{(a, by: assymmetric or transitive

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71345.

vrupees dll9 गोपाल ने 12% साधारण ब्याज पर कुछ रुपया उधार लिया । 5 वर्ष पश्चात् उसने 1280 रु. देकर1'पुरा करजा उतार दिया । बताइए कि गोपाल ने कितना रुपया उधार लिया था ।।080Contd

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150 is right answer.

71346.

Check whether the relation R in R defined by R = {(a, b) : asymmetric or transitive.b) is reflexiv

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71347.

The total number of eggs produced by a healthy human female during life time:(A) 4000(B) 400(C) 40(D) 365

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Females are born with a million eggs. By the time puberty takes place, that number dips to about 300,000. At most only 300 to 400 of these ovulate, and the total number of eggs continues to decrease until menopause, when there are no more eggs left.

71348.

i¥300 gt 302 +¢ यू 300) il By 1n2RUDe

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71349.

ABCD is a parallelogram in which LA=110°. Find the measure of each of the anglesZB, ZC and ZD.

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71350.

6) Folloingfortnight in a particular place, ien in degCelsius. Make a frequency table and find thesrithmetic mean.zo people edata was collectedR238,238,238,23.0) Find the the average Viewinghouhis the maximum number of houner houmaous were peop'dem2enhe resusirer ideaimpleumberNs of636)8)8980s,S-upitirvalsou hace brieuwiruencarksnath

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thank you

thank you