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Substract 3a(a+b+c) - 2b(a-b+c) from 4c(-a+b+c)

Posted by Aniket Sharma 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Rajiv Verma 7 years, 1 month ago

3a square - 2b square + 4c square - ab + 6bc - 7ac

ANSWER

Plz tell me some vedic math tricks for multplication.

Posted by Kritika Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Keerthana Keeru 7 years, 1 month ago

U want 2D into 2D

ANSWER

CIand SI same after solving by formulas?

Posted by Kritika Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

By what number should bracket minus 3 upon 5 bracket close power 3 be divided so that the quotation is bracket 3 upon 5 bracket close - 2

Posted by Bhuwan Durgapal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Bracket open bracket open 1 upon 2 bracket close power 3 bracket close power 2

Posted by Bhuwan Durgapal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Pratyush Raj 7 years, 1 month ago

1/64

ANSWER

Find the number of sides of regular polygon whose exterior angle is measure of 45 degree

Posted by Adi Raghav 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Poorvansh Gupta 7 years, 1 month ago

Number of sides=360°÷measure of each exterior angle =360°÷45 =8sides

ANSWER

Simplufy (t-s2) (s-t2(

Posted by Aayushmaan Singh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Sides of quadrilateral

Posted by Vaishnavi, Bhandakkar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Kritika Singh 7 years, 1 month ago

A '4' sided figure

Tanmay Ram 7 years, 1 month ago

A quadrilateral has four sides.Ex:Squre,Rectangle,Paralilogram,etc.

Krish Sharma 7 years, 1 month ago

A Quadrilateral Has 4 sides

Alishka Kumar 7 years, 1 month ago

4 side

ANSWER

4l(10n-3m+21)-3l(l-4m+5n)

Posted by Alishka Kumar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Mayank Chaudhary 7 years, 1 month ago

40ln-12lm+84l-3l(square)+12lm+15ln 40ln-15ln-12lm-12lm+84l+3l(square) 25ln+84l+3(square) ans Like pls

Nishant Kumar 7 years, 1 month ago

-3l (square)+25ln+84

ANSWER

Find the area of an equilateral triangle pf side 20m

Posted by Geetu Lathwal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Pratyush Raj 7 years, 1 month ago

100root3

Shweta Jha 7 years, 1 month ago

1/2×base×height 1/2×20×20= 200m

Nishant Kumar 7 years, 1 month ago

√3/4*400

Ram Kushwah 7 years, 1 month ago

Area of an equilateral triangle

={tex}\frac{\sqrt3}2(side)^2{/tex}

=1.73/2*20*20=346 m²

ANSWER

Using division show that 3x+1 is factor of 12x³-2x²+x+1

Posted by Tarun Kumar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Shweta Jha 7 years, 1 month ago

We simply have to do long division here. Then whatever will be the quoteint it will be a factor of the dividend

Nishant Kumar 7 years, 1 month ago

No

ANSWER

Explain the table of graph

Posted by Rony Shakay 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Solve-m-m-1/2=1-m-2/3

Posted by Akmal Faisal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Nishant Kumar 7 years, 1 month ago

9m=5

ANSWER

49yy +84yz +36zzz

Posted by Kajal Mishra 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Pratyush Raj 7 years, 1 month ago

Did you want to say 49yy+84yz+36zz

Lalit Sas 7 years, 1 month ago

49yy+84y+84z+36zzz 133yyy+120zzzz

ANSWER

In a parallelogram ABCD , AB=15cm, BC=18cm . The height from A to BC is 9cm, find the height from C to AB

Posted by Sai Saranya 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Krish Sharma 7 years, 1 month ago

Height from C to AB is 9

ANSWER

A wooden box including lid has external dimensions 40cm by 34cm by 30cm. If the wood is 1 cm thick, how many cm cube of wood is used in it

Posted by Harendar Kumar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Evaluate: (8.1)'2

Posted by Kamna Dhingra 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Rudra Sen Singh 7 years, 1 month ago

(8+0.1)^2 64+0.01+1.28 65.29

ANSWER

A rectangular piece of paper 44cm long and 16 cm broad is rolled along its length to form a cylinder. What is the radius of the cylinder? What is its volume?

Posted by Giri Sri 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Himanshi Singh 7 years, 1 month ago

Length =44 Bredth =16 : therefore height=16 Therefore circumference of the cylinder =44 44=2×22/7×radius 44×7/2×22= radius 7=radius Volume of cylinder =22/7×radius×radius×height = 22/7×7×7×16 22×7×16 =2464 cubic cm

ANSWER

The adjacent sides of a paralleogram are 3 cm and 4 cm . Find its perimeter

Posted by Dev Rishi Nain 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Kap Sharma 7 years, 1 month ago

14cm

ANSWER

Area of rectabgle

Posted by Yash Mishra 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Krish Sharma 7 years, 1 month ago

Area of Rectangle is Length × Breath

Pawan Kumar 7 years, 1 month ago

You even don't know the spelling of rectangle.

D.J Alok 7 years, 1 month ago

L*b sq unit

Dev Rishi Nain 7 years, 1 month ago

Area of rectangle= l × b

ANSWER

11111×2847865÷58478

Posted by Aryan Rahar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Akmal Faisal 7 years, 1 month ago

541103.11596

Kap Sharma 7 years, 1 month ago

54105.4416

ANSWER

Real numbers

Posted by Manojobhan Manojobhan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 7 years, 1 month ago

When both the rational and irrational numbers combined, the combination is defined as the real numbers. Real numbers can be both positive or negative, and they are denoted by the symbol “R”. Numbers like a natural number, decimals, and fraction comes under the real number.

ANSWER

9x+2=5x-5

Posted by Rashid Abdul Qayyum 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Shweta Jha 7 years, 1 month ago

9x+2=5x-5 9x-5x=-5-2 4x=-7 x=-7/4

Nishant Kumar 7 years, 1 month ago

X=-7/4

Jasmitha Do Your Best 7 years, 1 month ago

This is x or *

Banti Gupta 5 years, 11 months ago

X=-7/4

ANSWER

Solve it 52pqr(p+q)(q+r)(r+p)÷104pq(q+r)(r+p)

Posted by Harendra Ram 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Banti Gupta 7 years, 1 month ago

r/2(p+q)

ANSWER

2÷22×11

Posted by Parshva Shah 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Pawan Kumar 7 years, 1 month ago

2/22×11=2/2=1

Banti Gupta 7 years, 1 month ago

121

Shakshi Rawat 7 years, 1 month ago

121

Parshva Shah 7 years, 1 month ago

1

ANSWER

How pyramids and cones alike?

Posted by Banti Gupta 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Kap Sharma 7 years, 1 month ago

Both have one face and one vertice

ANSWER

How cylinder and prism alike? Explain?

Posted by Banti Gupta 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Prince Gahlot 7 years, 1 month ago

A prism become a cylinder as the number of sides of its base become larger and larger

ANSWER

2(x-2)=2x-2,find error?

Posted by Banti Gupta 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Hiren Parmar 7 years, 1 month ago

4 is not there

ANSWER

What is the area of Rhombus

Posted by Muskan Muskan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

4 answers

Pratyush Raj 7 years, 1 month ago

Its area is also equals to = side into altitude

Samayra Singh 7 years, 1 month ago

1/2*product of diagonals

Shakshi Rawat 7 years, 1 month ago

1/2*d1*d2

Himanshi Singh 7 years, 1 month ago

1/2×length of diagonal 1 ×length of diagonal 2

ANSWER

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

Posted by Ashiq Hussain 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

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