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

Rational numbers are those numbers whose decimal expansion is terminating or non terminating , reoccurring And irrational number are those numbers whose decimal expansion is non terminating and non reoccurring

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Construct an isosceles whose perimeter is 10 cm and altitude is 3 cm

Posted by Rudraksh Agrawal 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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Exercise 10 .5

Posted by Pushp Jain 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Priyal Gupta 3 years, 8 months ago

If you want the solutions of this exercise than follow the steps given below 1. Click on the maths subject which will be displayed after scrolling upwards. 2. When you clicked the subject you have to Than after scroll down and click on the chapter 10 which is circle. 3. After clicking on it, u will get an option of ncert solutions through which you can write the solutions

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Can all the angle of quadrilateral be right angle ? Give reasons for you answer

Posted by Abhinit Jha 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Bhavyashree Kulal 3 years, 8 months ago

YES. BECUASE WE KNOW SUM OF ANGLES OF A QUADRILATERAL IS 360⁰

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Classify the following as linear,quadratic and cubic polynomials : (i) -7+z (ii) 5t (iii) p³

Posted by Moksh Yadav 3 years, 8 months ago

CBSE > Class 09 > Mathematics

3 answers

Kumud Chouhan 3 years, 8 months ago

(i) linear (ii) linear (iii) cubic

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Indrani Sahu 3 years, 8 months ago

(i) and (ii) is a linear polynomial and (iii) is a cubic polynomial

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Abhishek Singh Chauhan 3 years, 8 months ago

1 is quadratic 2 and 3 is linear

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Simplify (3¹/3) 4

Posted by Yasir Sulthan 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Affan Alam 3 years, 8 months ago

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Exercise 8.1

Posted by Naveen Kumar 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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If the sum of first 7 terms of an ap is 49 and that of 17 terms is 289 find the sum of first n terms

Posted by Pratik Kumar 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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

Posted by Victor, Om 3 years, 8 months ago

CBSE > Class 09 > Mathematics

5 answers

Kumud Chouhan 3 years, 8 months ago

5×0-3k=3 -3k=3 K=3/-3 ==-1

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Affan Alam 3 years, 8 months ago

- 1

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Gurleen Kaur 3 years, 8 months ago

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Shriyansh Goyal 3 years, 8 months ago

K=-1

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Ujjwal Tiwari 3 years, 8 months ago

5×0-3×k=3 0-3k=3 K=3/3 K=1

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Factorize x^4+5x+9

Posted by Nikita Singh 3 years, 8 months ago

CBSE > Class 09 > Mathematics

2 answers

Adarsh Pradeep 3 years, 8 months ago

Question is wrong

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Rishav Kumar 3 years, 8 months ago

Question gaalat lag raha hai

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In the given figure p,q,r,s is a rhombus qr and PR are the diagonal of the rhombus

Posted by Rasna Gupta 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Neha Kandpal 3 years, 8 months ago

So what is to find

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Prove that cyclic parallelogram is a rectangle?

Posted by Kumar Savan 3 years, 8 months ago

CBSE > Class 09 > Mathematics

2 answers

Adarsh Pradeep 3 years, 8 months ago

Given: ABCD is a cyclic quadrilateral To Prove: ABCD is a rectangle Proof: angle A = angle c (parallelogram) angle A + angle C = 180° (opposite sides of a cyclic parallelogram is supplementary) 2 angle A =180° angle A = 90° One side of the parallelogram is 90° Therefore ABCD is a rectangle

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Akshith Konchada 3 years, 8 months ago

In a cyclic IIgm opp angles are supplementary. But opp angles are equal in a IIgm. So x+x=180. x=90 In a IIgm if an angle is 90 then it is a rectangle.

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If O is the centre of the circle , find the value of x in the given figure .

Posted by Manya Behl 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Manya Behl 3 years, 8 months ago

The ques. Is of class 9 sample paper 1 of mathematics ques. 13 plz check and answer me ....

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Bcc

Posted by Harshal Kumbhar 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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Two parallel chords of lengths 48cm and 14cm are drawn in a circle of radius 25cm. Find the distance between the chords if they lie on a)opposite sides of the centre b)the same side of the centre

Posted by Nishita Shah 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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X×y

Posted by Subin Xavier 3 years, 8 months ago

CBSE > Class 09 > Mathematics

3 answers

ᵐⁱˢˢ Lucid Dream 3 years, 8 months ago

Bruhh it's really interesting question!! Sorry I don't answer of this!

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Neha Kandpal 3 years, 8 months ago

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Pratik Kumar 3 years, 8 months ago

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Find the fraction which when multiplied 3/4 gives 66/7

Posted by Teddy Covers 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Ankit Raj 3 years, 8 months ago

99/14

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Class IX today. CBAC test papaer

Posted by Alrod Gaming 3 years, 8 months ago

CBSE > Class 09 > Mathematics

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There is a slide in a park .one of its side walls has been painted in some colour with a message "keep the park green and clean " if the sides of the wall are 15m ,11m and 6m ,find the area painted in colour

Posted by Purva Ramani 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Neha Kandpal 3 years, 8 months ago

By using heron's formula Side of walls a=15m,b=11m and c=6m Semiperimeter(s) = a+b+c/2 = 15+11+6/2 =16 Area of triangle = whole root s(s-a)(s-b)(s-c) W.r. 16(16-15)(16-11)(16-6) W.r. 16*1*5*10 W.r.(4*4)*1*(5*5)*2 W.r. will cancel by squares of 4,5 Now, 4*5 w.r. 1*2 = 20 w.r. 2. (w.r.=whole root) 20 whole root 2

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If X square + 1 upon x square is equal to 66 find the value of x minus one upon x

Posted by K D 3 years, 8 months ago

CBSE > Class 09 > Mathematics

2 answers

N T 3 years, 8 months ago

-66

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Satyam Pratap Singh 3 years, 8 months ago

-66

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A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup to a height of 4 cm, how much soup the hospital has to prepare daily to serve 250 patients?

Posted by Gouri Raikar 3 years, 8 months ago

CBSE > Class 09 > Mathematics

1 answers

Prajakta Karmude 3 years, 8 months ago

Radius = 7/2 =3.5cm, height of bowl =4cm (soup land) Volume of soup =πr ^2h =22/7 ×3.5×3.5×4 =154cm ^3 Volume of soup given to 250 patients =250×154 =38500cm ^3 =38500/1000 liter =38.5l

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If the polynomial x²+4x²+3x-4 &x³-4x+a leave the same remainder when divided by (x-3), then find the value of ‘-a’.

Posted by Moksh Yadav 3 years, 8 months ago

CBSE > Class 09 > Mathematics