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Posted by Meghana Dharmavarapu 3 months, 3 weeks ago

CBSE > Class 09 > Mathematics

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In figure, ABCD and AEFG are both parallelogram if

Posted by Ayan Hussain 3 months, 4 weeks ago

CBSE > Class 09 > Mathematics

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If 3-√5/3+2√5=a√5-19b/11 then the value of b is

Posted by Swati Samaniya 3 months, 4 weeks ago

CBSE > Class 09 > Mathematics

1 answers

Ankita Rawat 3 months, 2 weeks ago

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If z^2+ 1/z^2 = 18 then find the value of z^3- 1/z^3 using only the positive value of z - 1/z

Posted by Vinod Singh 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Ankita Rawat 3 months, 2 weeks ago

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Length 7m width 6.5m and height 4m each classroom has one door measuring 3m ×1.4 m and three Windows each measuring 2 m x 1m . The inner wall of classroom are to be painted the contractor charge rupees 15 per metre square for painting the walls of the classroom based on this information answer the following question diarrhoea of walls of a classroom to be painted is: a 100 m square B 98 m square c 97.8 m square d 14 m square

Posted by Preeti Sharma 4 months ago

CBSE > Class 09 > Mathematics

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Posted by Preeti Sharma 4 months ago

CBSE > Class 09 > Mathematics

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Posted by Preeti Sharma 4 months ago

CBSE > Class 09 > Mathematics

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Zero's of polynomial of 5x²-2x²+3x-2 is

Posted by Harshita Dangi 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankita Rawat 3 months, 3 weeks ago

Thts wrong -2 is not factor of x

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Daksh Nagar 4 months ago

(x+2) or x=-2 is the factor of p(x) = 5x²-2x²+3x-2

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Q.19 On the graph paper, plot a point A(-2,-2). Reflect point A in x-axis and y-axis. Let these points be B and C respectively. Guess the measure of BAC.

Posted by Alka Rajput 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Alka Rajput 4 months ago

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DF and IG perpendicular BC angleBAC=120,AFG is equilateral triangle find angleFDA

Posted by Dev Raj 4 months ago

CBSE > Class 09 > Mathematics

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If π is irrational then why is 22/7 rational? Π=22/7

Posted by Amrutha Gade 4 months ago

CBSE > Class 09 > Mathematics

5 answers

Chandra Kala 4 months ago

Because the value of π is approximate that is not exact value so 22/7 is rational but π is irrational

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Nitin Jat 4 months ago

Because 22/7 in the from of p/q and q is not equal to 0 and p and q are Integers

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Sharad Mishra 4 months ago

Because 22/7 in the from of p/q and q is not equal to 0 and p and q are Integers

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Arya Mishra 4 months ago

Because the value of π is not fixed so .

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Ajay Kumar 4 months ago

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What length of tarpaulin 3 m wide be required to made a conical tent of height 8 m and base radius 6 m ? Assume that the extra length of material that will be required for stitching margins and wastage in citting is approximately 20 cm. (Use π=3.14)

Posted by Piyush Raghuvanshi 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankita Rawat 3 months, 3 weeks ago

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Ravneet Kaur 4 months ago

Width of tarpaulin =3m Height of tarpaulin=8m Radius=6m l=(r²)+(h²) L=(6)²+(8)² =36+64 =100=10 length of tarpaulin =l1 L1×b1=3.14 L1=3.14×6×10/3 =6.28 6.28×10 =62.8 Margin =20 Total length =62.8+0.20 =63m This the answer

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In adjoining figure AC = AE , AB =AD and ∆BAD = ∆EAC. show that BC = DE

Posted by Piyush Raghuvanshi 4 months ago

CBSE > Class 09 > Mathematics

0 answers

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in the figure given angle apc=100 and angle bpd=146, find angle cpd

Posted by Jaysinh Barad 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Vansh Sharma 3 months, 3 weeks ago

angle CPD = angle BPD - angle APC = 146 - 100 = 46°

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The surface area and volume of cylinder are equal.find diameter of cylinder

Posted by Vikas Yadav Vikas Yadav 4 months ago

CBSE > Class 09 > Mathematics

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Identity-6 example -(3a+4b)³

Posted by Shuddhika Nighot 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankita Rawat 3 months, 3 weeks ago

-27a^3+64b^3+108a^2b-144ab^2

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Vranda Bishya 3 months, 3 weeks ago

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Plot points A(2,0),B(2,2),C(0,2) and join OA,AB,BC and CO. what figure do you obtain?

Posted by Priyanshi Sirohi 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Ankita Rawat 3 months, 3 weeks ago

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Anshu Shina 4 months ago

Grape draw

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Posted by Aman Singh 4 months ago

CBSE > Class 09 > Mathematics

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Prove that the perpendicular bisectors of the sides of a cyclic quadrilateral are concurrent??

Posted by Manasvi Niranjan 4 months ago

CBSE > Class 09 > Mathematics

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Exercise 1.3 1st roman

Posted by Chaitra Vaddi Vaddi Chaitra 4 months ago

CBSE > Class 09 > Mathematics

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In the adjoining figure,AB is a diameter of a circle with centre O.If anglePAB=55°,anglePBQ=25°and angke ABR=50°,then find anglePBA and angle BAR

Posted by Rahul Dansena 4 months ago

CBSE > Class 09 > Mathematics

2 answers

Sumit Kumar 4 months ago

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Rahul Dansena 4 months ago

In the adjoining figure,AB is a diameter of a circle with centre O.If anglePAB=55°,anglePBQ=25°and angke ABR=50°,then find anglePBA and angle BAR

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Water flow in a tank 16 m ×14 m at the base through a pipe whose cross section is 2dm by 1.5 dm at at the speed of 8 km per hour. In what time will the water be 5m Deep?

Posted by Laxmi Kumari 4 months ago

CBSE > Class 09 > Mathematics

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Posted by Veer Singh Bisht 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Keshav Garg 4 months ago

an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

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Keshav owns a Mobile showroom of a popular brand. The number of mobiles sold by the shop can be modelled by the expression N (t) = 9t + 35 and the selling price per mobile is modelled by an expression S (t) = 3t^2+46t+15 where t is the number of months in a year. (i) Find the number of mobiles sold in one and half years. (ii) Find the expression which show the amount of revenue generated by the showroom ?

Posted by Himanshu Lohar 4 months ago

CBSE > Class 09 > Mathematics

0 answers

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Solve the equation 3x+2=2x-2 and represent the solution on the cartesian plane

Posted by Sumit Raj 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Nitin Maurya 4 months, 1 week ago

Determine the point on the graph of the equation 5x+2y=20 whose x co ordinate is 5/2 times it's ordinate

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Prove that the angle subtended by an arc at the centre is double the angle subtended by an arc on any point of the circle

Posted by Diya Saini 4 months, 1 week ago

CBSE > Class 09 > Mathematics

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A cylinder and a cone have equal height and equal radii of their bases.If their curved surface areas are in the ratio 8:5.Show that the ratio of radius to height each is 3:4.

Posted by Natasha Attri 4 months, 1 week ago

CBSE > Class 09 > Mathematics

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Simplify the following equation: X2+x4+x3

Posted by Uday Gaikwad 4 months, 1 week ago

CBSE > Class 09 > Mathematics

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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