CBSE > Class 10 > Mathematics | CBSE Board | Homework Help

Let present age of Nuri be x yrs and present age of sonu be y yrs. 5 yrs ago, Nuri's age= x-5 Sonu's age= y-5 ATQ, X-5=3(y-5)..............(i) 10 yrs later, Nuri's age =x+10 Sonu's age =y+10 ATQ X+10= 2(y+10).........(ii) Solve (I) and (ii)

1Thank You

ANSWER

The sun of two numbers is 48 and the difference between the two numbers is equal to half of greater number what is the smallest numbers

Posted by Kusum Bhutia 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Prajapati 3 years ago

0Thank You

ANSWER

Fin the value of x and y. 9x+3y+12=0 18x+6y+24=0

Posted by Shailja Khaitan 3 years ago

CBSE > Class 10 > Mathematics

3 answers

Midhuna A 3 years ago

0Thank You

Vivek Prajapati 3 years ago

This is coincident line because. a1/a2= b1/b2=c1/c2

1Thank You

Simran Sinha 3 years ago

This pair of linear equation has no solution as both lines are parallel to each other.{a1/a2=b1/b2≠c1/c2).

1Thank You

ANSWER

All formula of tanA

Posted by Kumar Mishra 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Umesh Chandra 3 years ago

0Thank You

Vivek Prajapati 3 years ago

sin/cos, 1/cot, sec/cosec, √sec^2-1

0Thank You

ANSWER

In ∆DEW,AB||EW. If AD=4cm,DE=12cm DW is = 24 cm then find the value of DB

Posted by Anshu Yadav 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Prajapati 3 years ago

AD/DE=DB/DW. Now, 4/12=DB/24. DB=8

1Thank You

ANSWER

The sum of the radii of two circles is 7cm , and the difference of their circumference is 8cm . Find the circumference of the circles

Posted by Pareekshit Rai 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Arun Chaudhary 3 years ago

r1+r2 =7cm equation 1 Difference of circumstances 2πr1-2πr2= 8 Taking 2 common So,πr1 -πr2 =4 equation 2 Subtract equation 1 and 2 We get r1=13/π and r2=9/π So circumstances of circle with r1 is 2π×13/π= 26cm r2 is 2π×9/π =18 cm

0Thank You

ANSWER

Sin67 value

Posted by Rohit Giri 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Shlok Patel 3 years ago

Cos23°

0Thank You

Ankit Class 3 years ago

Cos23°

0Thank You

ANSWER

(1+cos²A)sin²A=1 how?

Posted by Mahendra S 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Rohan Kumar 3 years ago

Sin²A+cos²A=1

0Thank You

ANSWER

What is the approximate radius of the sphere

Posted by Rashmi Khuntia 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Omya Aryan 3 years ago

It may be as much as big and small

2Thank You

ANSWER

Cos thita =

Posted by Manas Ranjan Pradhan 3 years ago

CBSE > Class 10 > Mathematics

5 answers

Muthu Siva Pradeeban 2 years, 11 months ago

Adjacent / harpotenuse

0Thank You

Rohan Kumar 3 years ago

Hypotenuse \ base

0Thank You

Radhika Miglani 3 years ago

Base/hypotenuse

1Thank You

Sekhar Patnaik 3 years ago

Or square root of 1 minus sine square theta

1Thank You

Sekhar Patnaik 3 years ago

1/sec theta

1Thank You

ANSWER

The next two terms of the sequence ✓2, ✓27, ✓48, ✓75?

Posted by Tokyo . 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Drishti Ramnani 3 years ago

100,125

0Thank You

ANSWER

Prove Root2 is a irrational

Posted by Bindu Bharathi 3 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

A boy by a book and 3 pen for 30 And 2 book 3 pen for 50 find the cost of one pen and one book

Posted by Shivam Sharma 3 years ago

CBSE > Class 10 > Mathematics

3 answers

Sanjay Kumar 3 years ago

cost of book 20 ,cost of pen 10

1Thank You

Lavanya Kalai 3 years ago

Cost of book =20 , cost of pen =10

1Thank You

Aadhisesan Venkatesh 3 years ago

Cost of book =20 , cost of pen =10

1Thank You

ANSWER

Two poles of equal heights are standing opposite each other on either side of the road which is 80m wide from a point between them on the road the angles of elevation of ghe top of the poles are 60°and 30°

Posted by Manjali Gurung 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Omya Aryan 3 years ago

Height of the pole= 20√3

1Thank You

ANSWER

Vbjnn

Posted by Ashita Tiwari 3 years ago

CBSE > Class 10 > Mathematics

1 answers

Rohan Kumar 3 years ago

What are you asking

0Thank You

ANSWER

Can anyone help me in the exercise of 12.2 question no. 3

Posted by Shailja Singh 3 years ago

CBSE > Class 10 > Mathematics

5 answers

Chinki 🦋👈🏻 3 years ago

In 5 minutes, minute hand will rotate =360°/60°×5=30°..........now area of sector of angle 30°=30°/360°×22/7×14×14=22/12×2×14=11×14/3=154/3cm²....................So the area swept by the minute hand in 5 minutes is 154/3cm².....

1Thank You

Sachin Singh 3 years ago

Here, r=14cm and theta = 90/3=30° = Theta/360×πr^2 = 30/360 × 22/7 × 14×14 = 154/7cm^2

1Thank You

Shailja Singh 3 years ago

I have try but I can't find angle in 5 minutes

0Thank You

Nikhil Sharma 3 years ago

Yes

3Thank You

Lucky Gamer 3 years ago

First find angle in 5 minutes and then apply sector formulae

3Thank You

ANSWER

Given that is irrational, prove that 5 + √2 is irrational

Posted by Satyam Jaiswal 3 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Unacademy liya hai kisine ???

Posted by Vivek Prajapati 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 3 years ago

Can u send me notes physics chapter 2

0Thank You

Chinki 🦋👈🏻 3 years ago

Youtube pr subscribe kr rkha h..

1Thank You

ANSWER

Ruchi Mishra

Posted by Ruchi Mishra 3 years ago

CBSE > Class 10 > Mathematics

3 answers

Khushi Tarkar 3 years ago

🙋🙋

0Thank You

Khushi Tarkar 3 years ago

Hii lucky

1Thank You

Lucky Gamer 3 years ago

Hii

3Thank You

ANSWER

If cot A + 1 upon cot A is equal to 1 then, the value of cot square A + 1 upon cot square A equal to

Posted by Rutuja Tikore 3 years ago

CBSE > Class 10 > Mathematics

4 answers

Sachin Singh 3 years ago

0Thank You

Vivek Prajapati 3 years ago

sec^

1Thank You

Deepak Keshari 3 years ago

1Thank You

Ankit Class 3 years ago

-1

2Thank You

ANSWER

Mark attendance who does not goes to coaching for class X... (Me 🙋)

Posted by Devansh Kr. 3 years ago

CBSE > Class 10 > Mathematics

4 answers

Chinki 🦋👈🏻 3 years ago

M bhi nhi jati

1Thank You

Shailja Singh 3 years ago

Me also not goes to coaching

0Thank You

Mohit Raj 3 years ago

▄︻̷̿┻̿═━一▄︻̷̿┻̿═━一▄︻̷̿┻̿═━一▄︻̷̿┻̿═━一▄︻̷̿┻̿═━一▄︻̷̿┻̿═━一

0Thank You

Deepak Keshari 3 years ago

2Thank You

ANSWER

If perimeter of a right triangle is 12 m . It's area is 6 m^2 . Find the length of it's hypotenuse side

Posted by Ankit Class 3 years ago

CBSE > Class 10 > Mathematics

3 answers

Ankit Class 3 years ago

Jab perimeter 12 hai toh hypotenuse toh 12 se kam hi hoga n 36 kaise?

1Thank You

Ankit Class 3 years ago

1Thank You

Aqdus Malik 3 years ago

2Thank You

ANSWER

Girls mujhe ek apni study partner chahiye...plzzz koi h to btao..& how can we communicate each other....

Posted by Chinki 🦋👈🏻 3 years ago

CBSE > Class 10 > Mathematics

5 answers

Shailja Singh 3 years ago

You can give me your number

1Thank You

Chinki 🦋👈🏻 3 years ago

But kaise shailja

1Thank You

Chinki 🦋👈🏻 3 years ago

Ohk shailja nd apoorva

2Thank You

Shailja Singh 3 years ago

I can be your study partner and we can communicate by this app

1Thank You

Apoorva Dodamani 3 years ago

I can be your study partner..

3Thank You

ANSWER

Byju 's liya ha kisine???

Posted by Prabhroop Kaur 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Anshu Baghel 3 years ago

www.xvideo.com

2Thank You

Chinki 🦋👈🏻 3 years ago

No....vedantu & unacademy h

2Thank You

ANSWER

questions: Preeti visited to her uncles house. From point A, where Artina was standing, a bus and building come in a straight line as shown in the figure. Question No. 41 to 45 are based on the given text. Read the text carefully and answer the 41. Which similarity criteria can be seen in this case, if bus and building are considered in a straight line? a. SAS b. SSS C. ASA d. AA 42. If the distance between Preeti and the bus is twice as much as the height of the bus, then the height of the bus is a. 15 m b. 12.5 m c. 40 m d. 25 m 43. If the distance of Preeti from the building is twelve times the height of the bus, then the ratio of the heights of bus and building is a. 1:6 b. 3:1 c. 1:4 d. 2:3 44. What is the ratio of the distance between Preeti and top of bus to the distance between the tops of bus and building? a. 2:5 b. Can't be determined c. 1:6 d. 1:5 45. What is the height of the building? a. 120 m b. 30 m c. 75 m d. 50 m

Posted by Hardik Jain 3 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

do we have mock tests in current year format?

Posted by Seshu Babu 3 years ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

If 3sin theta+cos theta/ 3 sin theta - cos theta = 3. Find the value of tan theta

Posted by Amlanjyoti Borah 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 3 years ago

2/3👍

0Thank You

Amlanjyoti Borah 3 years ago

2/3

4Thank You

ANSWER

x²-2x-8 Find zeros

Posted by Zeeshan Alam 3 years ago

CBSE > Class 10 > Mathematics

2 answers

Hardik Jain 3 years ago

Splitting the middle term: x2−2x−8= x2−4x+2x−8=0 =(x−4)(x+2) Equating the above expression equal to 0 to find the zeroes: (x−4)(x+2)=0 x−4=0 or x+2=0 x=4 or x=−2 Thus, zeroes of the polynomial is 4,−2.

0Thank You

Jayant Saharan 3 years ago

4, -2

0Thank You

ANSWER