CBSE > Class 09 > Mathematics | CBSE Board | Homework Help

No products in the cart.

Ask questions which are clear, concise and easy to understand.

Ask Question

X+1 and x-1 are factors 9f ax3 + x2-2x+b.find a and b.

Posted by Debashis Patra 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If x²+y²=49 and x-y=3 then find the value of x³-y³?

Posted by Vinayak Khandelwal 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The following number of goals were scored by a team in a series of 10 matches : 2,3,4,5,0,1,3,3,4,3, find the mean median and mode of these scores

Posted by शिवम चौहान 4 years, 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Saksham Chugh 4 years, 9 months ago

mean = 2.8 median = 3 mode = 3

2Thank You

Shubhangi Yadav 4 years, 9 months ago

Mean = x = 2+3+4+5+0+1+3+3+4+3÷10 =28÷10 =2.8 Median = 0,1,2,3,3,3,3,4,4,5 = 1÷2 (10÷ 2 +10 + 1 ÷ 2 ) = 1÷2 (5 observation + 3 observation) = 1÷2 ( 3+3 ) =1÷2 (6) = 6÷2 = 3 Mode = 3 (because here observation 3 comes maximum times)

0Thank You

ANSWER

If x-1*x=7 then find the value of xcube-1*xcube

Posted by Rakesh Sharma 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Two parallelogram are on the same base and between the same parallel. The ratio of their areas is (A)1:2 (B)1:1 (C)2:1 (D)3:1

Posted by Isha Bedia 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Anjali Singh 4 years, 9 months ago

1Thank You

ANSWER

Exercise 13.3 solution

Posted by Neha Sagar 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

A student has rectangular sheet of dimensions 14cm ×22cm. He want to make a cylinder in such a way that volume is minimum.find the height of cylinder

Posted by Abhishek Singh 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Neha Sagar 4 years, 9 months ago

How

1Thank You

ANSWER

Can a child be stopped from writing an exam due to not being able to complete the portfolio due to losing the note

Posted by Psych Ultra 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Varun Yadav 4 years, 9 months ago

0Thank You

ANSWER

What is power of any number

Posted by Vikram Kumar 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Jaya Prakash Gutha 4 years, 9 months ago

The number of times that the no multiplies itself is called the power of that particular number. Eg: 3^4 means that 3 multiplies itself 4 times, i.e., 3x3x3x3.

0Thank You

ANSWER

If tanA = √2 then the value of cosA - sinA/ cosA + sinA is

Posted by Sanskriti Jais 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Ex-8.1

Posted by Vansh Gupta 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The mean of p, q, r, s and t is 28. If the mean of p, r and t is 24, what is the mean of q and s.

Posted by ? Ishika ?? 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If the volume of a sphere is numerically equal to surface area. Then radius of sphere is

Posted by Sneha Soni 4 years, 9 months ago

CBSE > Class 09 > Mathematics

3 answers

Varun Yadav 4 years, 9 months ago

Double of it

0Thank You

Mahaksh Jaitly 4 years, 9 months ago

Dil da ni mada tera sidhu musse wala

0Thank You

Rajneesh Payal 4 years, 9 months ago

Doublr

0Thank You

ANSWER

If a^x=c^q=b and c^y=a^z=d the prove that xy=qz.

Posted by Anushka Dixit 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

When a non negative no. is added to both sides of a linear equation then solution is............... .

Posted by Anushka Dixit 4 years, 9 months ago

CBSE > Class 09 > Mathematics

3 answers

Anushka Dixit 4 years, 8 months ago

I think its same

0Thank You

Varun Yadav 4 years, 9 months ago

1Thank You

Rajneesh Payal 4 years, 9 months ago

Positive

1Thank You

ANSWER

Derive the formula of an equilateral and Isosceles triangle by Heron,s formula

Posted by Adarsh Singh 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Satyam Singh 4 years, 9 months ago

Heron,s formula is=a+b+c/2 Then, aera=√s(s-a)(s-b)(s-c)

1Thank You

ANSWER

The line drawn through the centre of a circle to bisect a chord is perpendicular to the chord

Posted by Lahari Raju 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Express the following in the form of p by q where p and q are integers and q is not equal to zero 0.6

Posted by Nitish Kumar 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Paras Deep 4 years, 9 months ago

Let x=0.666------------(i) Since repeating digit is only one so multiply both sides by 10 10x=6.6666-----------(ii) Subtract (i) from (ii) 10x-x=6.666-0.666 9x=6 x=6/9 x=2/3( converting 6/9 to simplest/ lowest form)

0Thank You

ANSWER

x^2+32x-420 quadratic polynomial

Posted by Amisha Shamnani 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajneesh Payal 4 years, 9 months ago

Quadratic

0Thank You

ANSWER

Work done against gravity

Posted by Mahesh Joshi 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajneesh Payal 4 years, 9 months ago

When it displace at height

0Thank You

ANSWER

Work done against gravity explain plz

Posted by Mahesh Joshi 4 years, 9 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If x=0 and y=k is the solution for the equation 5x-3y=3, find the value of k?

Posted by Harsh Jaiswal 4 years, 9 months ago

CBSE > Class 09 > Mathematics

5 answers

Rajneesh Payal 4 years, 9 months ago

-1

0Thank You

Shivam Rohilla 4 years, 9 months ago

K=(-1)

0Thank You

Sakshi Bansal 4 years, 9 months ago

-1

0Thank You

P.V. Padmaja 4 years, 9 months ago

K=(-1)

2Thank You

Dhanraj P 4 years, 9 months ago

5*0-3K=3 0-3K=3 -3K=3 K=-3/3 K=-1

1Thank You

ANSWER

Find the minimum no. of brick each dimension 22.5cm,11.5cm and 7.5cm required to construct a wall 1.5m long, 6m high and 1.5m thick

Posted by Harsh Singh 4 years, 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Sakshi Bansal 4 years, 9 months ago

16000/23

0Thank You

Sakshi Keshwani 4 years, 9 months ago

I don't know

0Thank You

ANSWER

If E is an event then what is P(E)+P(not E)?

Posted by Ayushman Pradhan 4 years, 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Amrita Kumari 4 years, 9 months ago

0Thank You

Sakshi Bansal 4 years, 9 months ago

0Thank You

ANSWER

What is sum of P(E) + P(E)

Posted by Sss Ooo 4 years, 9 months ago

CBSE > Class 09 > Mathematics

2 answers

Shivam Rohilla 4 years, 9 months ago

1 is the answer

0Thank You

Sakshi Bansal 4 years, 9 months ago

Ques is wrong its P(E)+P(NOT E ) and answer is 1

0Thank You

ANSWER

An isosceles triangle has perimeter 30cm and each of the equal sides is 12cm find the area of the triangle.

Posted by Nutan Kurbet 4 years, 9 months ago

CBSE > Class 09 > Mathematics

1 answers

Ayushman Pradhan 4 years, 9 months ago

34.85

1Thank You

ANSWER

How to get good marks in maths??

Posted by Bv F Bbvc 4 years, 9 months ago

CBSE > Class 09 > Mathematics

3 answers

P.V. Padmaja 4 years, 9 months ago

By doing regular practice especially of geometry part. It requires regular practice. Doing once or twice geometry is not correct. Do continuous practice of it

0Thank You

Priyanshu Gupta 4 years, 9 months ago

By studying?✏

0Thank You

Priyanshu Gupta 4 years, 9 months ago

By getting a regular revision..

1Thank You

ANSWER

write linear equations represented a line which is parallel to x-axis and is at a distance of 2 unit of the left side of y -axis

Posted by Muskan Singh 4 years, 9 months ago

CBSE > Class 09 > Mathematics