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

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Posted by Abhijit Garai 4 months, 1 week ago

CBSE > Class 09 > Mathematics

1 answers

Subhashini K 4 months, 1 week ago

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Find square root of 2

Posted by Anshika Anshika 4 months, 1 week ago

CBSE > Class 09 > Mathematics

2 answers

Shefa Shefa 4 months, 1 week ago

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M. Nithya Sree Nithya Sree 4 months, 1 week ago

Root 1.414

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How to find lying rational number between two no ..

Posted by Archita Singh 4 months, 1 week ago

CBSE > Class 09 > Mathematics

5 answers

Divyanshi Songara 4 months, 1 week ago

And then jo ans aya use ke bich ke no. Likh do

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Divyanshi Songara 4 months, 1 week ago

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Mugdha 4 months, 1 week ago

https://youtu.be/lg04THe8wfY?si=PeYGwD9V4VfwQ9EN How to find lying rational number between two no ..

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Mugdha 4 months, 1 week ago

For finding rational numbers between two rational numbers with different denominators, we first find their equivalent fraction with the same denominator and then find the rational number between them. For example, for finding numbers between −13 and 59. , we convert −13 to −1×33×3=−39.

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Shaik Shabnam 4 months, 1 week ago

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The distance of the point (2,3)from the y-axis

Posted by Himesh Dixit 4 months, 1 week ago

CBSE > Class 09 > Mathematics

1 answers

Sridevi Thanigaivel 4 months, 1 week ago

Ans:3 because it has y axis qs 3.

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A+b ka whole squar

Posted by Anshu Mehta 4 months, 1 week ago

CBSE > Class 09 > Mathematics

4 answers

Zarul Sharma 4 months ago

(a+b)²=a²+b²+2ab

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Mugdha 4 months, 1 week ago

(a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 a2 – b2 = (a + b)(a – b) (x + a)(x + b) = x2 + (a + b) x + ab (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca (a + b)3 = a3 + b3 + 3ab (a + b) (a – b)3 = a3 – b3 – 3ab (a – b) a3 + b3 + c3– 3abc = (a + b + c)(a2 + b2 + c2 – ab – bc – ca)

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Aamna Shaikh 4 months, 1 week ago

(a+b)²=a²+2ab+b²

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Arpit Sharma Sharma 4 months, 1 week ago

(a+b)²- a²+2ab+b²

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ANSWER

Ex 7.1 Q8

Posted by Abhinav Sain 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

A Bus stop is Barricaded from the rem - -aining part of the road, by using 50 hollow Cones made of recycled Cardboard. Each Cone • has a base diameter of 40cm and heigh 1m. If the Outer side of each of the Cones is to Be painted and the Cost of Painting is Rs 12per m², what will be the cost of Painting all these 2 Cones (user = 3.14 and take √1.04 = 1.02)

Posted by Krishna Yadav 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Abhinav Sharma 4 months, 1 week ago

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Write the equation 4y=13 in standard form and write the value of a,b and c.

Posted by Anushka Siwach 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Abhinav Sain 4 months, 2 weeks ago

A = 0 Y= 4 C = -13

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Deepak Pathak 4 months, 2 weeks ago

0x+4y+(-13)and x=0, y=4and C=-13

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ANSWER

3^x-3^x-1=54

Posted by Shrushti Shrushti 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Sagar Tripathi 4 months, 2 weeks ago

1=-54

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In fig ad is the median and DE parallel to AB prove that BEis the median

Posted by Himanshu Rajawat 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The ratio of the volumes of the two cones is 4:5 and the ration of their bases is 2:3.find the ratio of their vertical height

Posted by Yukti Jain 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The internal and external radii of a semi- spherical cup are r₁ and r₂ respectively. The curved surface area of the cup is (a) \pi({r_{1}}^{2}+r_{2}^{2}) (c) 2\pi(r_{2}^{2}-r_{1}^{2}) (b 2\pi(r_{1}^{2}+r_{2}^{2}) (d) \pi({r_{2}}^{2}-{r_{1}}^{2})

Posted by Krishna Singh 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

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If 4^x+4^x-1=32 find x

Posted by Kashish Shetty 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Harshit Gupta 4 months, 2 weeks ago

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What is the full form of C P C T

Posted by Laxmi Kumari 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

5 answers

Tannu Sishwal 4 months, 2 weeks ago

CPCT refers to Corresponding parts of Congruent Triangle, i.e. if 2 triangles are congruent, they are exactly the mirror images of each other and the corresponding parts of both the triangles including length of sides as well as angles can be inferred to be equal. Q.

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Vibhanshu Kumar 4 months, 2 weeks ago

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2Thank You

Kashish Shetty 4 months, 2 weeks ago

Corresponding parts of congruent triangle

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Aryan Shukla 4 months, 2 weeks ago

Corresponding part of congruent triangle

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Runakshi Aggarwal 4 months, 2 weeks ago

Corresponding part of triangles

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If the bisector of an angle of triangle bisects the opposite side,prove that the triangle is isosceles

Posted by Saikh Naweed 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Laxmi Kumari 4 months, 2 weeks ago

If the bisector of an angle of a triangle bisect the opposite side then triangle is an isosceles because the bisector of any two adjacent angle of a square from an isosceles right angle triangle

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Express as a linear equation in two variables 4x-1=3

Posted by Samiksha Chalwadi 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Vibhanshu Kumar 4 months, 2 weeks ago

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Riyashini Durairaj 4 months, 2 weeks ago

4x-1-3=0

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In given figure find the value of x

Posted by Harsimran Kaur 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Find the mean 4,5,5,8,9,9,7, 8,9,8,9,8,9,0,8

Posted by Harsh Singh Rajput Harsh 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Gaurav Awari 4 months, 1 week ago

Mean= sum of observation/ total number of observation Mean=4+5+5+8+9+9+7+8+9+8+9+8+9+0+8/15 Mean=106/15 Mean=7.0666666666666 ——————— [Mean=7.07] ———————

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[email protected]

Posted by Harsh Singh Rajput Harsh 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Komal Choudhary 4 months, 2 weeks ago

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Divyanshi Songara 4 months, 2 weeks ago

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134537+158832-(-35872×675÷68)-68900

Posted by Atharv Bisen 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The weight (in kg) of 7 students of a class are 44, 52, 55, 60, 50, 49, 45. Find the median weight.

Posted by Mayank Choudhary 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

2 answers

Rounika Mandal 4 months, 2 weeks ago

597.172

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Atharv Bisen 4 months, 2 weeks ago

57.142 kg

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ANSWER

The Number of books issued to 13 students in a class are: 25, 19, 24, 23, 29, 31, 19, 20, 22, 26, 17, 35, 21. Find the median no. of books for the above data.

Posted by Mayank Choudhary 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The mean weight of a class of 34 students is 46.5 kg. If the weight of the new boy is included, the mean is rises by 500 g. Find the weight of the new boy.

Posted by Mayank Choudhary 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If the mean of six observations y, y + 1, y + 4, y + 6, y + 8, y + 5 is 13, find the value of y.

Posted by Mayank Choudhary 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Harsh Singh Rajput Harsh 4 months, 2 weeks ago

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The daily minimum questions solved by a student during a week were as under: Monday Tuesday Wednesday Thursday Friday Saturday 35 30 27 32 23 28 Find the mean.

Posted by Mayank Choudhary 4 months, 2 weeks ago

CBSE > Class 09 > Mathematics