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)

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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 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Prajapati 2 years ago

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ANSWER

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

Posted by Shailja Khaitan 2 years ago

CBSE > Class 10 > Mathematics

3 answers

Midhuna A 2 years ago

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Vivek Prajapati 2 years ago

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

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Simran Sinha 2 years ago

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

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All formula of tanA

Posted by Kumar Mishra 2 years ago

CBSE > Class 10 > Mathematics

2 answers

Umesh Chandra 2 years ago

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Vivek Prajapati 2 years ago

sin/cos, 1/cot, sec/cosec, √sec^2-1

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

Posted by Timple Yadav 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Vivek Prajapati 2 years ago

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

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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 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Arun Chaudhary 2 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

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Sin67 value

Posted by Rohit Giri 2 years ago

CBSE > Class 10 > Mathematics

2 answers

Shlok Patel 2 years ago

Cos23°

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Ankit Class 2 years ago

Cos23°

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(1+cos²A)sin²A=1 how?

Posted by Mahendra S 2 years ago

CBSE > Class 10 > Mathematics

1 answers

Rohan Kumar 2 years ago

Sin²A+cos²A=1

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What is the approximate radius of the sphere

Posted by Rashmi Khuntia 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Omya Aryan 2 years ago

It may be as much as big and small

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Cos thita =

Posted by Manas Ranjan Pradhan 2 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Muthu Siva Pradeeban 2 years ago

Adjacent / harpotenuse

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Rohan Kumar 2 years ago

Hypotenuse \ base

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Radhika Miglani 2 years, 1 month ago

Base/hypotenuse

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Sekhar Patnaik 2 years ago

Or square root of 1 minus sine square theta

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Sekhar Patnaik 2 years, 1 month ago

1/sec theta

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

Posted by Tokyo . 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Drishti Ramnani 2 years ago

100,125

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Prove Root2 is a irrational

Posted by Bindu Bharathi 2 years, 1 month 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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Sanjay Kumar 2 years ago

cost of book 20 ,cost of pen 10

1Thank You

Lavanya Kalai 2 years ago

Cost of book =20 , cost of pen =10

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Aadhisesan Venkatesh 2 years, 1 month ago

Cost of book =20 , cost of pen =10

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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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Omya Aryan 2 years ago

Height of the pole= 20√3

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Vbjnn

Posted by Ashita Tiwari 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Rohan Kumar 2 years ago

What are you asking

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

Posted by Shailja Singh 2 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Chinki 🦋👈🏻 2 years, 1 month 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 2 years, 1 month ago

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

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Shailja Singh 2 years, 1 month ago

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

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Nikhil Sharma 2 years, 1 month ago

Yes

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Lucky Gamer 2 years, 1 month ago

First find angle in 5 minutes and then apply sector formulae

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

Posted by Satyam Jaiswal 2 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

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Unacademy liya hai kisine ???

Posted by Vivek Prajapati 2 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 2 years ago

Can u send me notes physics chapter 2

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Chinki 🦋👈🏻 2 years, 1 month ago

Youtube pr subscribe kr rkha h..

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Ruchi Mishra

Posted by Ruchi Mishra 2 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Khushi Tarkar 2 years, 1 month ago

🙋🙋

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Khushi Tarkar 2 years, 1 month ago

Hii lucky

1Thank You

Lucky Gamer 2 years, 1 month ago

Hii

3Thank You

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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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Sachin Singh 2 years, 1 month ago

0Thank You

Vivek Prajapati 2 years, 1 month ago

sec^

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Deepak Keshari 2 years, 1 month ago

1Thank You

Ankit Class 2 years, 1 month ago

-1

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

Posted by Devansh Kr. 2 years, 1 month ago

CBSE > Class 10 > Mathematics

4 answers

Chinki 🦋👈🏻 2 years, 1 month ago

M bhi nhi jati

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Shailja Singh 2 years, 1 month ago

Me also not goes to coaching

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Mohit Raj 2 years, 1 month ago

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

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Deepak Keshari 2 years, 1 month ago

2Thank You

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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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

3 answers

Ankit Class 2 years, 1 month ago

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

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Ankit Class 2 years, 1 month ago

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Aqdus Malik 2 years, 1 month ago

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

Posted by Chinki 🦋👈🏻 2 years, 1 month ago

CBSE > Class 10 > Mathematics

5 answers

Shailja Singh 2 years, 1 month ago

You can give me your number

1Thank You

Chinki 🦋👈🏻 2 years, 1 month ago

But kaise shailja

1Thank You

Chinki 🦋👈🏻 2 years, 1 month ago

Ohk shailja nd apoorva

2Thank You

Shailja Singh 2 years, 1 month ago

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

1Thank You

Apoorva Dodamani 2 years, 1 month ago

I can be your study partner..

3Thank You

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Byju 's liya ha kisine???

Posted by Gurleen Kaur 2 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Anshu Baghel 2 years, 1 month ago

www.xvideo.com

2Thank You

Chinki 🦋👈🏻 2 years, 1 month ago

No....vedantu & unacademy h

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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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

do we have mock tests in current year format?

Posted by Seshu Babu 2 years, 1 month 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 2 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Vivek Prajapati 2 years, 1 month ago

2/3👍

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Amlanjyoti Borah 2 years, 1 month ago

2/3

4Thank You

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x²-2x-8 Find zeros

Posted by Zeeshan Alam 2 years, 1 month ago

CBSE > Class 10 > Mathematics

2 answers

Hardik Jain 2 years, 1 month 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.

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Jayant Saharan 2 years, 1 month ago

4, -2

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The sum of the reciprocals of Rahman is in 3 year ago and 5 years from now is 1/3find his presentation pressent age

Posted by Vishal Mishra 2 years, 1 month ago

CBSE > Class 10 > Mathematics