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42951.

If sin 2A=1/2 tan²45.

Answer» A =15
A= 15°
A=15 °
A= 15°
42952.

X2+99x+127

Answer» D = b²-4.a.c = 9801-508 = 9293So , x = {-99(+-)√9293}/2 Ans.
127 ke LCM leke
42953.

Xcos A = 8, 15 cosec A = 8 sec A

Answer» 1/8
1/8
42954.

The distance between the points (a cos + b sin, 0) and (0, a sin - b cos ), is:

Answer» Root of a square + b square
Root of a^2 + b^2
42955.

The radius of a circular field is 35cm how many round should be taken round the

Answer» 1540/35 m44mIt should take about 44 rounds.
42956.

How to find a centroid of triangle?

Answer» (x= X1+X2+x3/3) and (y= y1+y2+y3/3)
X1+X2+X3/3
H²=b²+p²
X1+x2+x3/3
By applying folmula of x1+ x2 +x3 divided by 3
42957.

(Sin Theta + Cos Theta)^2 + (Sin-Cos Theta)^2^1/2

Answer» [(sinA + cosA)**2 + (sinA - cosA)**2] ** 0.5 = [ 2 { (sinA)**2 + (cosA)**2 }] ** 0.5 = (2*1)**0.5 = 2**0.5
Sorry I did a mistake
2
1
Root 2
42958.

If A is acute angle then prove that 1+ cotsq A =cosec o

Answer» =1+cossqA/ sinsqA=SinsqA+ cossqA/ sinsqA=1/sinsqA=cosecsq A
42959.

3x means

Answer» "3x" means => 3 multiplied by x or 3*x
42960.

(2-√6)+(6-√2)

Answer» 4.13629669
42961.

Is 4.57 bar is an irrational no.

Answer» No 4.57 is a rational number
Ha
No, 4.57 is rational number.
42962.

4.57bar is an

Answer» 4.57bar is an rational no
Is 4.57 bar is an irrational no.
457000
42963.

What is the pass mark for class 10 term 1 exam

Answer» 15
16
There is no pass marks such. Term 1 and 2 together 33 marks
30
A
42964.

If hcf 39,91=13,then LCM 39,91=

Answer» 273
Lcm ×hcf=product of no. 39×91=13×lcmLcm= 273
42965.

Sec⁴-sec²

Answer» Sec²
I think your question is not complete so please checkout our question .
42966.

Are the board copies checked by computer

Answer» No
No
No
No
No
42967.

Quadratic equations : ( x - 2 ) ( x + 1) = (x-1) (x+3)

Answer» (x−2)(x+1)=(x−1)(x+3)⟹x 2 +x−2x−2=x 2 +3x−x−3⟹x 2 −x 2 +x−2x−3x+x−2+3=0⟹−3x+1=0
42968.

Is x= -4 a solution of 2x²+5x-3=0 ?

Answer» It is not a sol as it is not satisfying the quad.eqn.
Ans:-9
9
42969.

Draw a line segmemt of length 8.4 cm and dinde it in ratio 4:7 mesure the two part

Answer»
42970.

2 cubes each of volume 64cm^3 are joined end to end . Find the surface area of the resulting cuboid

Answer» 80cm^3
42971.

tan²A+cot²A+2=secA+cosec²A

Answer» bhai term 2 me trigonometry nahi aa rahi ....
42972.

Sin A + Cosa=

Answer» 1
42973.

3±6

Answer» 3+6=9, 3-6=-3
3+6=9 , 6+3=9 , 3-6=-3 , 6-3=3
3+6=9 , 3-6= -3
42974.

Find the roots of the following quadratic equation2x^2-2√2x+1=0

Answer» a=2, b=2√2, c=1b^2-4ac=8-8=02√2-+√0/4=√2/2x=1/√2Ans=1/√2, 1/√2
42975.

find the sum of the first 22 terms of the AP 2,7 ,12 .....using formula

Answer» 1199
Answer will be 1199
42976.

In the equation x+y=10 , if x=6 then find the value of y

Answer» Y is 4
y=10-6=4Therefore y=4
42977.

Find Median:02Class 35-45 45-55 55-65 65-75 75-85 85-95F238665

Answer»
42978.

∆BAT-∆ACB

Answer»
42979.

Is this to make more than 4 tangets on circle

Answer» Hlo
42980.

From Quadratic equations ..16x -10/x = 27

Answer» 16x-10/x=2716x^2-10/x=2716x^2-10=27x16x^2-27x-10=016x^2-32x+5x-10=016x[x-2] +5[x-2]=0[16x+5] [x-2]=0 16x+5=0 OR x-2=016x=-5 x=2x=-5/16
Take \'x\' as LCMand proceed your steps. you\'ll get an quadratic equation.
42981.

Slove the equation

Answer»
42982.

How many tengents in a circle

Answer» Infinite.
Infinite
Infinite
Infinite
42983.

ad=3cm ,db=6cm, ae=2cm,ec=?

Answer»
42984.

. If the seventh term of an A.P. is 1/9 and its ninth term is 1/7, find its 63rd term.

Answer»
42985.

Find the mean of 1,2,3,.....n

Answer» 1+2+3=66÷3=2
1+2+3/36/3=2
2
42986.

Bpt theorem easy

Answer»
42987.

If the 7th times the 7th term of an AP is equal to 11th times of 11th term then find its 15th term..

Answer» 7(a+6d)=11(a+10d)7a+42d=11a+110d 0 =11a- 7a+110d-42d 0 = 4a+ 68d 0 = 4(a+17d) 0 = a+ 17 d ( as 4 goes to LSH and 0/4=0) 0 = a18Please check question properly
7(a+6d) =11(a+10d) 7a+42d = 11a+110d0 = 11a-7a+110d-42d0 = 4a+68d-68d=4a-68d/4=a-17d=aa 18= a+17da 18=-17d+17da 18 = 0Therefore the answer is 0 and please see the question properly it\'s not 15th term it\'s 18th term
42988.

25+28+31......100

Answer» a=25 ,d=28-25=3,an=100an=a+(n-1)d100=25+(n-1)3100=25+3n-3100=25-3+3n100=22+3n100-22=3n78=3nn=78/3n=26 answer
42989.

Ex 5.1

Answer» First question
5.1 part 4 full
42990.

How we can solve cubic equations ?

Answer»
42991.

Tips to became a topper from average student

Answer» Self study After school and before Coaching
Kitna bhi padh le vro top to sharma uncle ka beta ji karega....
42992.

The required solution of 4x2 – 25x = 0 are

Answer» Ok thanks
4x^2 - 25x = 0x(4x - 25 = 0)4x - 25 = 0/x4x - 25 = 04x = 25x = 25/4 = 6.24
42993.

Find the product of the roots of 1upon under root 6 x square minus 3x minus 1 upon underoot 2

Answer»
42994.

What is the formula of mode and median

Answer» I+ (n/2-cf/f )/f
Mode=l+(f1-fo/2f1-fo-f2)h
42995.

Whole root 100-1000+12313-34674×1247÷154346=

Answer» Bro what a nice questionTook me 1 hour to do it Finally got.....INVALID INPUT??
42996.

Give detail Project

Answer» Cgjgjkggkj diff official usual XP zip zip zip xp do xp zip xp xp GP xp xp xp ?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️?️
Hi
42997.

find the degree of polynomial 2x+5-(x²+2x-5)

Answer» 3
2
It is 3 because when we multiply x² by 2x it becomes 2x³
3
2
42998.

Polynomial of 2x+3x=0

Answer» 2x+3x=05x=0X=-5
42999.

Class 10 page no 12

Answer»
43000.

Find Factors using Factorisation.(i) 5²-25-399(ii) 5k²-30k-360(iii) 5x²+35xy-600y²

Answer»