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can somebody answer this in their book with steps please. Q.The angle of depression of the top and bottom of a 10m tall building from the top of a tower are 30° and 45° respectively. Find the height of the tower and distance between building and tower.

Posted by Dhyey Vank 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 7 months ago

Solution is available on this app stepwise....

ANSWER

Prove that the square of an odd positive interger is of the form 2q+1

Posted by Shahida Parveen 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 7 months ago

Ncert...

ANSWER

How to solve Euclid division algorithm to find the hcf

Posted by Mukul Sharma 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 7 months ago

Practice....

ANSWER

Euclid division

Posted by Mukul Sharma 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 7 months ago

??

ANSWER

How to solve real number

Posted by Shatrughan Dly 5 years, 7 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 7 months ago

Kya solve krna h..

ANSWER

Verify that the 3 ,2 are the zeros of polynomial 2x-5

Posted by Gopika Vijayakumar 5 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Yogita Ingle 5 years, 7 months ago

Put x = 3

2x - 5

= 2(3) - 5

= 6 - 5

= 1

Put x = 2

2x - 5

= 2(2) - 5

= 4 - 5

= -1

3 and 2 are not zeros of 2x -5.

Diksha? 5 years, 7 months ago

Wrong question

ANSWER

Convert 144 cm in inches and feets

Posted by Shreya S❤ シュレヤ愛ハーシット 5 years, 7 months ago

CBSE > Class 10 > Mathematics

6 answers

Sahil Singh 5 years, 7 months ago

Hlo

Diksha? 5 years, 7 months ago

?

Dhruv ... 5 years, 7 months ago

??

Shreya S❤ シュレヤ愛ハーシット 5 years, 7 months ago

4"7

Shreya S❤ シュレヤ愛ハーシット 5 years, 7 months ago

Ques. H yrr serious wla...ans to mil gya...pr vishwas nhi ho rha aankhon pr ans dekh kr.?

Sahil Singh 5 years, 7 months ago

?????

ANSWER

If tje remainder on division of x^3-kx^2+13x-20 by 2x-1,find the quotient and values of k.hence find zeroes ofx^3-x^3+15x

Posted by K A 5 years, 7 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

For any positive integer n, prove that n3 -n is divisible by 4

Posted by Nitin Raj 5 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Dhruv ... 5 years, 8 months ago

Sorry not possible here

ANSWER

217x + 131y = 913; 131x + 217y = 827

Posted by Jitesh Khater 5 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Diksha? 5 years, 8 months ago

Solve it using substitution method or elimination method?

Jitesh Khater 5 years, 8 months ago

Ggy

ANSWER

Prove that 2 root 3 by 5 is irrational

Posted by Devipriya B 5 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Arindam Hareet 5 years, 8 months ago

See on you tube very good description

? Royal Thakur ? 5 years, 8 months ago

Ncert me hai......aur ncert exercises ke solutions iss app pe available hai....

ANSWER

If the HCF of 2 numbers is 2 and their product is 120, find their LCM

Posted by Arunabh Bose 5 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Vinita Mourya 5 years, 7 months ago

60

Miss. 1234 5 years, 8 months ago

HCF×LCM=a×b........ therefore, 2×LCM=120..... LCM=120/2.....LCM=60

ANSWER

a+b+c=4 a^2+ b^2+c^2=10 a^3+b^3+c^3=22 a^4+b^4+c^4=?

Posted by Divick Pandey 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

P and q are centres of circles of radii 9cm and 2cm respectively pq is17cm. Ris the centre of the circle of radius xcm which touches given circle externally given that angle PQR is 90.write an eqation and solve it

Posted by Dhoi Ward 11 Aww36 Dbg Gramin 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

X/1 =3 , x=0

Posted by Ishaan Choudhary 5 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Diksha? 5 years, 8 months ago

X=3

Diksha? 5 years, 8 months ago

I think x is not equal to 0

ANSWER

Solve by the method of cross multiplication (a-b)x +(a+b)y=a^2-2ab-b^2 and (a+b) (x+y)=a^2+b^2

Posted by Hayath Ercel 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

(a+b)whole square

Posted by Aryan Sahu Sahu 5 years, 8 months ago

CBSE > Class 10 > Mathematics

4 answers

Diksha? 5 years, 8 months ago

Its a^2+b^2+2ab

Diksha? 5 years, 8 months ago

Sry

Diksha? 5 years, 8 months ago

(a+b)^2= a^2+ b+b^2+ 2ab

Miss. 1234 5 years, 8 months ago

a²+b²+2ab

ANSWER

Evaluate 0+4-2

Posted by Karan Kumar 5 years, 8 months ago

CBSE > Class 10 > Mathematics

6 answers

Aryan Sahu Sahu 5 years, 8 months ago

2

Dhruv ... 5 years, 8 months ago

1+1=

Dhruv ... 5 years, 8 months ago

16-12=?

Dhruv ... 5 years, 8 months ago

√4

Diksha? 5 years, 8 months ago

2

? Royal Thakur ? 5 years, 8 months ago

2 ???

ANSWER

The mean and median of the data x+a,x+b,x+c are equal and a<b<c than find the value of (b) in terms of (a) and (b)?

Posted by Mohammed Maaz Uddin 5 years, 8 months ago

CBSE > Class 10 > Mathematics

4 answers

Mohammed Maaz Uddin 5 years, 5 months ago

No

Diksha? 5 years, 8 months ago

Yh

? Royal Thakur ? 5 years, 8 months ago

I think question is incomplete.....

Ashish Choubey 5 years, 8 months ago

No

ANSWER

Trigonometry question 5

Posted by Sonu Kumar Yadav 5 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

? Royal Thakur ? 5 years, 8 months ago

Which exercise....solution of all exercises is available on this app......

ANSWER

If one zero of the polynomial (asquare+a) xsquare+13x+6a is reciprocal of the other ,find value (s) of a

Posted by Manmeet Kaur 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

When will cbse publish answer key of all subjects???

Posted by Asha Gupta 5 years, 8 months ago

CBSE > Class 10 > Mathematics

2 answers

Royal Rajput 5 years, 8 months ago

Around mid of May

Diksha? 5 years, 8 months ago

No idea...sry

ANSWER

Prove that cot A - cos A/

Posted by Vibhu Singh 5 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Diksha? 5 years, 8 months ago

??

ANSWER

What is lemma plese explain it

Posted by Deeksha Singh 5 years, 8 months ago

CBSE > Class 10 > Mathematics

4 answers

Varun Jakhar 5 years, 8 months ago

Lemma is used for proving any statement

Meghna Thapar 5 years, 8 months ago

In mathematics, informal logic and argument mapping, a lemma (plural lemmas or lemmata) is a generally minor, proven proposition which is used as a stepping stone to a larger result. For that reason, it is also known as a "helping theorem" or an "auxiliary theorem".

Ayaz Mashhood 5 years, 8 months ago

Lemma is used to prove other statements

Diksha? 5 years, 8 months ago

Lemna is a proven statement which is used to prove other statements....

ANSWER

How to take assumed mean in even class mark

Posted by Jaya Dabas 5 years, 8 months ago

CBSE > Class 10 > Mathematics

1 answers

Diksha? 5 years, 8 months ago

U can take any of the 2 middlemost class mark....

ANSWER

Draw a line segment of length 7.5 cm and mark point P on the line segment such that AP/AB =3 /5'

Posted by Sowjaniya .Y 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If alpha beta and gamma are the zeros of the polynomial p x cube+ qx square + R X + S then find the value of Alpha square +beta square + gamma square

Posted by Suresh Suresh Meena 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the least number of five digit which is exactly divisible by 12 15 18 and 27

Posted by Pawan Kumar 5 years, 8 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

I want the pdf of R.D Sharma maths book

Posted by Shivansh Tiwari 5 years, 8 months ago

CBSE > Class 10 > Mathematics

4 answers

Swaggy Dhruv .. 5 years, 8 months ago

?

Swaggy Dhruv .. 5 years, 8 months ago

11

Shivansh Tiwari 5 years, 8 months ago

Bhai dhruv kaunsi class me hai tu??

Swaggy Dhruv .. 5 years, 8 months ago

Sirf ncert aur ncert exempler bana le...maths me 100 aa naaye to mera sar katwa diwo?

ANSWER

Pichle bar result may mein aya tha kayuki paper late hia the ab ki bar paper jaldi ho gaya toh result april mein

Posted by Isha Tyagi 5 years, 8 months ago

CBSE > Class 10 > Mathematics

6 answers

Sujeet Singh 5 years, 7 months ago

Kya tumhe pata hai ki kitne April ko

Shreya S❤ シュレヤ愛ハーシット 5 years, 8 months ago

Okk?

? Royal Thakur ? 5 years, 8 months ago

Hmm pta h....

Shreya S❤ シュレヤ愛ハーシット 5 years, 8 months ago

Royal..meteorological day aaj hi hai?

? Royal Thakur ? 5 years, 8 months ago

Isha...you are making a lot useless question.....

Shreya S❤ シュレヤ愛ハーシット 5 years, 8 months ago

Isha...leave it babes..kya frk pdti?

ANSWER

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