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

By using the formula a² - b² = ( a+b) ( a-b) = (a⁶ + b⁶) ( a⁶ - b⁶) = ( a⁶ + b⁶) ( a³ + b³) ( a³ - b³) By using the formula a³ + b³ = ( a+b) ( a² -ab + b²) and a³ - b³= ( a-b) ( a² + ab + b²) (a² + b²) ( a⁴ -a²b² + b⁴) ( a+ b) (a² -ab+b²) ( a-b) (a²+ab + b²)

1Thank You

ANSWER

Give five examples of data that we can collect from our day to day life.

Posted by Vidhi Shukla 3 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Jai Kumar 3 years, 7 months ago

Data of your friends height. Data of temperature over last 5days. Data of a class result. Data of total student in your class. Data of result of election.

0Thank You

ANSWER

Factorise a-b-a^2-b^2

Posted by Rao Shab 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

If the sides of a triangle are 40 cms,24 cms and 32 cms then its semi-perimeter is 48 state true or false.

Posted by Babariya Pushkar 3 years, 7 months ago

CBSE > Class 09 > Mathematics

5 answers

Dhwani Rana 3 years, 7 months ago

False

0Thank You

Rishi Raj 3 years, 7 months ago

This statement is true because S= a+b+c/2=40+24+32/2=96/2=48 So, this is true

1Thank You

Saksham Mittal 3 years, 7 months ago

False

0Thank You

Radhika Bhardwaj 3 years, 7 months ago

False

2Thank You

Riya Jain 3 years, 7 months ago

True

2Thank You

ANSWER

If the sides of a triangle are 40 cms,24 cms and 32 cms then its semi-perimeter is 48.

Posted by Babariya Pushkar 3 years, 7 months ago

CBSE > Class 09 > Mathematics

4 answers

ᬊ᭄Aŋąŋყą࿐ཽ༵ ✌Pąէҽӏ࿐☆ 3 years, 7 months ago

It's true

1Thank You

Rishi Raj 3 years, 7 months ago

S= a+b+c/2=40+24+32/2=96/2=48 Yes, semi-perimeter is 48

1Thank You

Sohanpal Sohanpal 3 years, 7 months ago

True Hai Answer Ber because 48Multiple by 2 is equal to 96 we add all side of triangle. We get 96 96=96

2Thank You

Saksham Mittal 3 years, 7 months ago

False

1Thank You

ANSWER

Write three numbers whose decimal expansions are non -terminating non recurring

Posted by Reyaz Ahmad Sheikh 3 years, 7 months ago

CBSE > Class 09 > Mathematics

4 answers

ᬊ᭄Aŋąŋყą࿐ཽ༵ ✌Pąէҽӏ࿐☆ 3 years, 7 months ago

One number is- π

1Thank You

Rishi Raj 3 years, 7 months ago

1☆ 0.20200200020000.......... 2☆ 0.800800008000000.......... 3☆ 0.5050005000000500000000..

1Thank You

Reyaz Ahmad Sheikh 3 years, 7 months ago

Answer

2Thank You

Reyaz Ahmad Sheikh 3 years, 7 months ago

What

2Thank You

ANSWER

The semi perimeter of a triangle is 10 cms .If of its sides is 5 cms

Posted by Яєиυкα Ѕσ∂Нα 3 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Rishi Raj 3 years, 7 months ago

Find kya krna hai

0Thank You

ANSWER

Is 0 rational number?justify your answer

Posted by Palanisamy Pakkiyam 3 years, 7 months ago

CBSE > Class 09 > Mathematics

2 answers

Saksham Mittal 3 years, 7 months ago

Yes 0 is a rational number because it can be written as 0/1

0Thank You

Khushi Poddar 3 years, 7 months ago

Yes 0 is rational number because it in nither negative non positive

1Thank You

ANSWER

If two angles and included sides of a triangle is equals to cross ponding angles and including sides of another triangle, then the triangle are congurent by _criterion

Posted by Mehak Prashar 3 years, 7 months ago

CBSE > Class 09 > Mathematics

2 answers

ᬊ᭄Aŋąŋყą࿐ཽ༵ ✌Pąէҽӏ࿐☆ 3 years, 7 months ago

by ASA criteria

1Thank You

Prajakta Karmude 3 years, 7 months ago

By ASA

1Thank You

ANSWER

In a right triangle prove that the line segment joining the midpoint of the hypotenuse to the opposite vertex is the half of the hypotenuse

Posted by Mehak Prashar 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

Root 3* root 5

Posted by Divya S 3 years, 7 months ago

CBSE > Class 09 > Mathematics

5 answers

Rishi Raj 3 years, 7 months ago

√3×√5=15 Because root root is minesed So the answer 15

0Thank You

Khushi Poddar 3 years, 7 months ago

Answer is 15

0Thank You

Radhika Bhardwaj 3 years, 7 months ago

√3×√5=15

0Thank You

Sathana Navaneetha Krishnan 3 years, 7 months ago

3×5 15

0Thank You

Pankaj Chaturvedi 3 years, 7 months ago

√3×√5=3×5=15

0Thank You

ANSWER

Find the area of a triangle two sides of which are 18 cm and 10 cm and the perimeter is 42 cm.

Posted by Lol Boat 3 years, 7 months ago

CBSE > Class 09 > Mathematics

1 answers

Senthil Chandra 3 years, 7 months ago

89.8

1Thank You

ANSWER

Express 1.191919.... in form of p/q

Posted by Aditya Vikram Sher Singh 3 years, 7 months ago

CBSE > Class 09 > Mathematics

3 answers

Parth . 3 years, 7 months ago

119/990

0Thank You

Prajakta Karmude 3 years, 7 months ago

Sorry x=118/99

1Thank You

Prajakta Karmude 3 years, 7 months ago

x=1.19.... ; 100x =119.191919....; 100x-x=119.19...-1.1919....;99x=118; x=99/118

1Thank You

ANSWER

In this question, the class sizes are different. So, calculate the adjusted frequency for each class by using the following formula: Frequency density or adjusted frequency for class = In this question the minimum class size is 0 1 2 3 The class limits of third class interval 3-5 lower limit =5, upper limit = 3 lower limit =5, upper limit = 7 lower limit = 3, upper limit = 5 lower limit =7, upper limit = 5 Adjusted Frequency for class interval 5-7 and 7-10 3, 6 3, 3 6, 6 6, 3 Find the class mark of class 15 - 17 16 12 25 2

Posted by Manish Gupta 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

if L, B and H are the length, breadth and height of a room respectively, then find the total area of four walls

Posted by Lol Boat 3 years, 7 months ago

CBSE > Class 09 > Mathematics

3 answers

Vansh Soudai 3 years, 7 months ago

2(l+b)h

2Thank You

Ajitesh Gupta 3 years, 7 months ago

2 * BH + LH

2Thank You

Amitanshu Swain 3 years, 7 months ago

2(l+b)h

6Thank You

ANSWER

Coefficient of q in -4q^2

Posted by Kashvi Sethi 3 years, 7 months ago

CBSE > Class 09 > Mathematics

5 answers

Ranjeet Kumar Pandit?? 3 years, 7 months ago

The number that contain in variable is known as it's coefficient hence coffecient of Q be -4

0Thank You

Saksham Mittal 3 years, 7 months ago

-4

0Thank You

Kashvi Sethi 3 years, 7 months ago

How??

0Thank You

Gargi Jain 3 years, 7 months ago

2Thank You

Amitanshu Swain 3 years, 7 months ago

1Thank You

ANSWER

The polynomial p(x) = x4 - 2x3 +3x2 -ax +b when divided by (x-1) and (x+1) leaves the remainders 5 and 9 respectively Find the value of a and b

Posted by Shubhangi Jha 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

I have final exams....

Posted by Ujjwal Tiwari 3 years, 7 months ago

CBSE > Class 09 > Mathematics

3 answers

Shubham Budhwani 3 years, 7 months ago

I also

0Thank You

Raj Jhalani 3 years, 7 months ago

Mine also

1Thank You

Jennie John 3 years, 7 months ago

Yeah bro me too

1Thank You

ANSWER

What are constants

Posted by Abdul Ibrahim Khan 3 years, 7 months ago

CBSE > Class 09 > Mathematics

3 answers

Reena Baghel 3 years, 7 months ago

Constant fix value . It value doesn't change

0Thank You

Himanshi Chauhan 3 years, 7 months ago

Constants value fix always. Its value doesn't change.

0Thank You

Akshiii ?? 3 years, 7 months ago

Constant is a term in an algebraic expression that has values , that doesn't change , because it contain unmodifiable variables.

4Thank You

ANSWER

Prove that equal chords of circle⭕ are equidistant from the centre.

Posted by ... .... 3 years, 7 months ago

CBSE > Class 09 > Mathematics

2 answers

ᬊ᭄Aŋąŋყą࿐ཽ༵ ✌Pąէҽӏ࿐☆ 3 years, 7 months ago

It is a Theorem and mentioned in maths book??

0Thank You

Raj Jhalani 3 years, 7 months ago

It's answer is in maths NCERT Book

0Thank You

ANSWER

the indian hockey federation organised a match between india and australia on a circular ground. the income of the match will be donated to an orphanage .a rectangular turf of length 40 cm and 30 cm is spread on the ground the allitude is ,30 cm and 40 cm

Posted by Hima Kudapa 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

A small indoor greenhouse is made entirely of glass panes held together with tape it is30cm long 25cm wide and 25cm high

Posted by Kondru Lasya 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

What are natural nos

Posted by Abdul Ibrahim Khan 3 years, 7 months ago

CBSE > Class 09 > Mathematics

3 answers

Himanshi Chauhan 3 years, 7 months ago

No. Which are started with 1

0Thank You

Shubham Budhwani 3 years, 7 months ago

Natural no. Are positive numbers that doesnt contains 0

0Thank You

Shashank Gb 3 years, 7 months ago

The set of all positive numbers and they are denoted by letter 'N' and they are also called as counting numbers

2Thank You

ANSWER

Find the value of k, if x=2,y=1 is a solution of the equation 2x + 3y = k ?

Posted by Arjun Sahani 3 years, 7 months ago

CBSE > Class 09 > Mathematics

5 answers

... .... 3 years, 7 months ago

2(2) + 1(3) _ k 4 + 3 _ K K _ 7

1Thank You

Krish Kumar Singh 3 years, 7 months ago

2(2) + 3(1) = k 4 +3 = k 7=k 7

1Thank You

Pratik Kumar 3 years, 7 months ago

1Thank You

Purva Ghule 3 years, 7 months ago

2x + 3y =k 2×2+3×1=I 4+3=k 7=k

1Thank You

Prajakta Karmude 3 years, 7 months ago

By putting the value of X=2 and y=1 in the equation 2x+ 3y =k ;2*2+3*1=k;4+3=k;7=k

2Thank You

ANSWER

How to find angles by the help of compass ? Thanks.

Posted by Arjun Sahani 3 years, 7 months ago

CBSE > Class 09 > Mathematics

0 answers

ANSWER

The record of a weather station shows that out of the past 250 consecutive days, it's weather forecast were correct 175 times. 1.what is the probability that on a given day it was correct? 2.what is the probability that it was not correct on a given day?

Posted by Mehak Tuli 3 years, 7 months ago

CBSE > Class 09 > Mathematics

2 answers

Shiv Yadav 3 years, 7 months ago

1Thank You

Prajakta Karmude 3 years, 7 months ago

i)175/250 =7/10 ; ii) 250-175=75; 75/250=3/10

1Thank You

ANSWER

#Class 9# Quadrilaterals# Two parallel lines l and m intersected by a transversal p. Show that the quadrilateral formed by the bisectors of interior angles is a rectangle

Posted by Asin Kate 3 years, 7 months ago

CBSE > Class 09 > Mathematics

2 answers

Pardeep Kumar 3 years, 7 months ago

what many ho is this 2 valu

0Thank You

Pardeep Kumar 3 years, 7 months ago

0Thank You

ANSWER

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