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

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.

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

Posted by Sanskriti Jais 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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Ex-8.1

Posted by Vansh Gupta 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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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 ?? 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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

Posted by Sneha Soni 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Varun Yadav 5 years, 10 months ago

Double of it

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Mahaksh Jaitly 5 years, 10 months ago

Dil da ni mada tera sidhu musse wala

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Rajneesh Payal 5 years, 10 months ago

Doublr

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

Posted by Anushka Dixit 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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

Posted by Anushka Dixit 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

Anushka Dixit 5 years, 9 months ago

I think its same

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Varun Yadav 5 years, 10 months ago

1Thank You

Rajneesh Payal 5 years, 10 months ago

Positive

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

Posted by Adarsh Singh 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Satyam Singh 5 years, 10 months ago

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

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

Posted by Lahari Raju 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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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 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Paras Deep 5 years, 10 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)

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x^2+32x-420 quadratic polynomial

Posted by Amisha Shamnani 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajneesh Payal 5 years, 10 months ago

Quadratic

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Work done against gravity

Posted by Mahesh Joshi 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Rajneesh Payal 5 years, 10 months ago

When it displace at height

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Work done against gravity explain plz

Posted by Mahesh Joshi 5 years, 10 months ago

CBSE > Class 09 > Mathematics

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

Posted by Harsh Jaiswal 5 years, 10 months ago

CBSE > Class 09 > Mathematics

5 answers

Rajneesh Payal 5 years, 10 months ago

-1

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Shivam Rohilla 5 years, 10 months ago

K=(-1)

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Sakshi Bansal 5 years, 10 months ago

-1

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P.V. Padmaja 5 years, 10 months ago

K=(-1)

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Dhanraj P 5 years, 10 months ago

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

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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 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Sakshi Bansal 5 years, 10 months ago

16000/23

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Sakshi Keshwani 5 years, 10 months ago

I don't know

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

Posted by Ayushman Pradhan 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Amrita Kumari 5 years, 10 months ago

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Sakshi Bansal 5 years, 10 months ago

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

Posted by Sss Ooo 5 years, 10 months ago

CBSE > Class 09 > Mathematics

2 answers

Shivam Rohilla 5 years, 10 months ago

1 is the answer

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Sakshi Bansal 5 years, 10 months ago

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

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

Posted by Nutan Kurbet 5 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Ayushman Pradhan 5 years, 10 months ago

34.85

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How to get good marks in maths??

Posted by Bv F Bbvc 5 years, 10 months ago

CBSE > Class 09 > Mathematics

3 answers

P.V. Padmaja 5 years, 10 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

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Priyanshu Gupta 5 years, 10 months ago

By studying?✏

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Priyanshu Gupta 5 years, 10 months ago

By getting a regular revision..

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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 5 years, 10 months ago

CBSE > Class 09 > Mathematics