CBSE > Class 09 | CBSE Board | Homework Help

Yes 0 is a rational number. We can write it in the form of p by q where p and q are integers and q is not equal to zero as 0 is integer and we can write it in form 0/1 so it's a rational number . Examples 0/5,0/7,0/9

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Apoorva Dodamani 4 years, 5 months ago

Yes, zero is rational number - 0/1, 0/2, 0/3.

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√2x+√3y=4, √3x+√16y=√36 by substitution method

Posted by Karina Karina 4 years, 5 months ago

CBSE > Class 09 > Mathematics

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45763409999889

Posted by Sanket Kumar 4 years, 5 months ago

CBSE > Class 09 > Mathematics

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45763409999889

Posted by Sanket Kumar 4 years, 5 months ago

CBSE > Class 09 > Mathematics

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what is colloidal solution.

Posted by Natania Parihar 4 years, 5 months ago

CBSE > Class 09 > Science

3 answers

Niva Nishka 4 years, 5 months ago

The particles of a colloid are uniformly spread throughout the solution. Due to the relatively smaller size of particles, as compared to that of a suspension, the mixture appears to be homogeneous.But actually, a colliodial solutions heterogeneous. Example – Milk.

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Varun Vaid 4 years, 5 months ago

collidal solution is a solution in which small particles are suspended which cannot be seen with naked eyes and they scatter beam of light

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Pushkar Tanwar 4 years, 5 months ago

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Food additives are chemicals that are added to food in small quantities for example, preservatives are added to food to prevent the growth of microorganisms so that the food can be stored for a longer period. Examples of preservatives are sodium sulphite(Na2SO3) and benzoic acid (C6H5COOH). In ancient times, honey was used as a natural preservative. Antioxidants are also added to food to prevent the oxidation of fats and oils by oxygen in the air. Dyes are added to food to improve its appearance. Classify the substances in the paragraph above into three categories: elements, compounds and mixtures

Posted by Khushi Phogat 4 years, 5 months ago

CBSE > Class 09 > Science

0 answers

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Pad bannne se pehle sabd me roop sadk partye avash lagte hae esliye ohne kya kahte hae

Posted by Jaswinder Kaur 5016 4 years, 5 months ago

CBSE > Class 09 > हिंदी ब

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Write 2/13 in decimal from also mention the type of the decimal expansion

Posted by Prasanta Debbarma 4 years, 5 months ago

CBSE > Class 09 > Mathematics

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1. What is the magnitude and lantude of India? 2. Why was Nelson Mandela, being tried for treason by white South Africa government? 3. What is the literal meaning of apartheid?

Posted by Adarsh Kumar 4 years, 5 months ago

CBSE > Class 09 > Social Science

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1. "The sound was familiar one." What sound did the doctor here?What did he think it was? How many times did he here it? When and why did the sound stops?

Posted by Adarsh Kumar 4 years, 5 months ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Khushi Singh 4 years, 5 months ago

It was the sound of snake hiss but doctor thought that it is the sound of rats trumbling here and there. He listen it 3 times after that it stops as the snake was fallen down from the roof.

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An object is travelling at 40 m in 8 min and then it covers 18m in 10 mins so what is the average speed of the object

Posted by Vanshika Tanwar 4 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Sid Gha 4 years, 5 months ago

it cover 40m then 18m 40+18=58 it take 8min first then 10mins 8+10= 18 Average speed = distance/time =58÷18 =3.22

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Write a short note on Nucleus

Posted by Srihari Parakkal 4 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Astha Verma 4 years, 5 months ago

It is known as the brain of the cell or controller of cell and is spherical in shape darkly stained structure it lies usually in centre in animal cell but in plant cell it is displaced due to development of vacuoles it is normally found in eukaryotic cells.

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Rishika Rawat 4 years, 5 months ago

The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.

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Biography chapter second ka kya name hai

Posted by Rishika Rawat 4 years, 5 months ago

CBSE > Class 09 > Science

2 answers

Shrishti Rathore 4 years, 4 months ago

Tissue

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Rishika Rawat 4 years, 5 months ago

Good

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00000ppp

Posted by Nandini Kumari 4 years, 5 months ago

CBSE > Class 09 > Mathematics

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Masur ki hajir Kyon Le jaati Hogi

Posted by Rajput Gaming 4 years, 5 months ago

CBSE > Class 09 > हिंदी ब

1 answers

Gaurav राजपूत 4 years, 5 months ago

Rajputana

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Define speed name the device installed in automobile which education speed

Posted by Chandan Kumar 4 years, 5 months ago

CBSE > Class 09 > Science

1 answers

Master Jd 4 years, 5 months ago

Answer : Speed of a body gives us an idea of how slow or fast that body is moving. The speed of a running car at any instant of time is shown by an instrument called "Speedometer". The distance travelled by a car is measured by another instrument called "Odometer".

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Which two documents are essential for mail merge

Posted by Bbf Ninja 4 years, 5 months ago

CBSE > Class 09 > Information Technology (402)

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Velocity time graph

Posted by Rajat Bhatt 4 years, 5 months ago

CBSE > Class 09 > Science

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(5x-2)*3

Posted by Aman Chaudhary 4 years, 5 months ago

CBSE > Class 09 > Mathematics

3 answers

Khushi Singh 4 years, 5 months ago

-30

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Shmabhavi Bohra 4 years, 5 months ago

-30

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Sattyam Saini 4 years, 5 months ago

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Every rational number is an integer

Posted by Ritesh Raj Ch 4 years, 5 months ago

CBSE > Class 09 > Mathematics

4 answers

Diya Krishna 4 years, 5 months ago

Yes

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Astha Verma 4 years, 5 months ago

No, every rational number is not an integer but every integer can be a rational number

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Shivjeet Verma 4 years, 5 months ago

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Master Jd 4 years, 5 months ago

Every integer is clearly a Rational Number. Clearly, 5/2,-4/3, 3/7, etc. are all Rational Numbers but not Integers. Therefore, every integer is a Rational Number but a Rational Number need not be an Integer.

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20 difference between present school and future school according to the story of the fun they had

Posted by Neetu Kumari 4 years, 5 months ago

CBSE > Class 09 > English Lang & Lit. (184)

1 answers

Sia ? 4 years, 5 months ago

Ten differences between present school and future School based on Isaac Asimov's short story 'The Fun They Had' are :

1) The present schools have human teachers but the future schools have mechanical teachers.

2) In the present schools the school hours are fixed while in future schools the school hours are flexible and can be changed to suit one's need.

3) In present schools, the children go to a special building called school to study while in the future school they can study in the comfort of their own homes.

4) Present schools have different classes for children according to their age group, but future schools have mechanical teachers set according to the intellectual level of the individual learner.

5) The present schools use paper books and notebooks while future schools use telebooks.

6) In the present schools children can discuss their home work but in future schools the child is supposed to finish their home work and assignments alone.

7) In the present schools the children have to submit their homework to the teacher while in future schools they have to drop it in the homework slot of the mechanical teacher.

8) In the present schools children can play together and have fun but there is no such provision in future school as children learn alone.

9) The present schools use blackboards while the future schools use digital screens.

10) In present schools homework is typed or written in one's handwriting in English or other language while in future school homework is typed in a special code.

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Everest kaise mahan abhiyan mein khatron ko aur kabhi kabhi to Mitra bhi aadami ko sahaj bhav se swikar karna chahie

Posted by Simran Chauhan 4 years, 5 months ago

CBSE > Class 09 > हिंदी ब

1 answers

Shivi Agrawal 4 years, 2 months ago

इस कथन के माध्यम से कर्नल खुल्लर यह कहना चाहते हैं कि एवरेस्ट पर पहुँचना एक महान अभियान है। इस लक्ष्य को प्राप्त करने की लालसा में कितने लोगों की मृत्यु हो चुकी है। इस अभियान में कदम-कदम पर खतरा बना रहता है।

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A motor boat starting from rest on a lake accelerates a straight line at a constant rate of 3.0 m spower -2 for 8.0 s. How far does the boat travel during this time?

Posted by Apoorva Singh 4 years, 5 months ago

CBSE > Class 09 > Science