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a^2-2ab+b^2-c^2

Posted by Arpit Pal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

(a - b)² - c²

ANSWER

(9+6)_(86)=72

Posted by Talha Khan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Count is always calculated on the

Posted by Raunak Kosare 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

(2xy+5y)sq

Posted by Kushi Kushi 7 years, 1 month ago

CBSE > Class 08 > Mathematics

3 answers

Yuvika Mourya 7 years, 1 month ago

(2xy +5y)² By 1st algebric identity=a²+2ab+b² (2xy)²+2*2xy*5y+(5y)² 4x²y²+20xy²+25y² Hope you get understand?

Jaat ? 7 years, 1 month ago

2xysq+5ysq

Yogita Ingle 7 years, 1 month ago

(a + b)² = a² + 2ab + b²
(2xy+ 5y⁾² = (2xy)² + 2 (2xy)(5y) + (5y)²
= 4x²y² + 20xy² + 25y²

ANSWER

Find the value of (-2) m+2×(-2)7=(-2)10

Posted by Durga Deshmuk 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Puja Baitha 7 years, 1 month ago

M=-4

ANSWER

2x-1/3-6x-2/5=1/3

Posted by Sachin Upadhyay 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

2x-1÷3-6x-2÷5=1÷3

Posted by Sachin Upadhyay 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Formula of area of rhombus

Posted by Kumud Kandpal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

6 answers

Sangeeta Rani 7 years, 1 month ago

1/2Xd1Xd2

Vanshika Khera 7 years, 1 month ago

1/2×d1×d2

Talha Khan 7 years, 1 month ago

1/2×d1×d2

Kushi Kushi 7 years, 1 month ago

1/2[d1+d2]

Jacob Rijo 7 years, 1 month ago

1/2×d1×d2

Amazing Varshith Pro 7 years, 1 month ago

1/2× d¹×d²

ANSWER

2x+4=9

Posted by Nisha Kumari 7 years, 1 month ago

CBSE > Class 08 > Mathematics

5 answers

Yuvika Mourya 7 years, 1 month ago

2x+4=9; 2x=9-4;2x=5 ;X=5/2

Kushi Kushi 7 years, 1 month ago

5/2

Kumud Kandpal 7 years, 1 month ago

5/2

Krishn Joshi 7 years, 1 month ago

5/2

Sonu Malakar 7 years, 1 month ago

5/2

ANSWER

The circumference of base of cylinder is 264 cm and its height is 24 cm find its radius and the volume of cylinder

Posted by Manvi Walia 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

#Joel Wilson 7 years, 1 month ago

Volume = 133056

#Joel Wilson 7 years, 1 month ago

2πr = 264 2 × 22/7 × r = 264 r = 264 × 7/44 r = 6 × 7 r = 42 Volume = πr²h = (22/7) × 42 × 42 × 24 = 22 × 6 × 42 × 24 Volume

ANSWER

Find the product (4x+3)(x-5)

Posted by Akhila Akhila 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Amazing Varshith Pro 7 years, 1 month ago

(4x+3)(x-5)=4x(x-5)+3(x-5)=4x²-20+3x-15=4x²-35+3x

ANSWER

TSA of a cylinder

Posted by Vaishnavi ? Nayak 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

Kushi Kushi 7 years, 1 month ago

2πr( r+h)

Aryan Sethi 7 years, 1 month ago

2πr(h+r)

ANSWER

2025 plants are to be planted in the garden in such a way that each row contains as many plants as the number of rows and the number of plants in each row

Posted by Sai Deshmukh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Siddhaarth Ganesh 7 years, 1 month ago

45

ANSWER

z-1upon 8 -1=z+1 upon 18

Posted by Sakshi Prajapat 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

If three angles of quadrilateral are each equal to 75 degree then find the fourth angle

Posted by Sai Deshmukh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Neharika Varshney 7 years, 1 month ago

The fourth angle is 135degree because sum of quadilateral is 360nd the sum of three side is 225 it is subtracted by 360 And we get oir ans

ANSWER

Lower limit of interval 50 to 60 is

Posted by Madhuri Devi 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Madhuri Devi 7 years, 1 month ago

55

ANSWER

The radius and height of a cylinder are in ratio 7 : 2 if the volume of the cylinder is 8316 cm3 find the total surface area of cylinder

Posted by Devendra Bhakar 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Rishu Raj 7 years, 1 month ago

Let the height and radius be 7x,2x. Volume of cylinder=πr×rxh. Wrong queation =8316cm3=22\7×7x×7x×2x. =8316=308x2

ANSWER

find the value of (3°+4`1)÷2`2

Posted by Sumit Gupta 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Raghu Jhawar 7 years, 1 month ago

(1+4)/2^2 (a°=1) 5/4

ANSWER

a^2+6a-91

Posted by Akshat Saxena 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 7 years, 1 month ago

a2 + 6a - 91
= a2 + 13a - 7a - 91
= a( a+ 13) - 7(a + 13)
= (a + 13) (a - 7)

ANSWER

Draw frequency distribution table for the given data the number of girls in each class from class 1 to 12 hour as follows(take the class size as 5) 12, 14, 13, 12, 14, 15, 16, 13, 15, 21, 16, 18, 19, 2012, 14, 15, 14, 16, 18, 2018, 17, 15, 19, 27, 18, 21, 20, 21, 19, 18, 24, 18, 17, 24, 10, 11, 9, 11, 10, 8, 10, 9, 9, 10, 11 1989

Posted by Pavan Reddy 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

If hari and Harry's age 5:7. Four years after their ages be 3:4. What are their present ages? Please answer it correctly!!! ( PLEASE)

Posted by Siddhaarth Ganesh 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Pavan Reddy 7 years, 1 month ago

Let the present ages of Hari and Harry be 5x and 7x respectively. 4 years later age of Hari = (5 x + 4) years and age of Harry = (7 x + 4 )years according to the question (5 x + 4):(7x+4)=3:4=X + 4 ÷7 x + 4=3 by 4. 3(7 X + 4) = 4(5 X + 4). 21 X + 12 = 20 X + 16. 12 x - 20 X = 16 -12=4 Therefore present age of Harry Is equals to 5 x is equals to 5 x into 4 is equals to 20 years and present age of Harry Is equals to 7 x is equals to 7 into 4 is equals to 28 years

ANSWER

(7x^2+4x)/(x+2)

Posted by Arpit Pal 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Find the measure of each exterior angle of regular pentagon

Posted by Pranayha Shree G. 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

Neharika Varshney 7 years, 1 month ago

72degree is neasure of each exterior angle

ANSWER

Verify that -(-x)=x for (1) x=11/15

Posted by Harman Singh Chauhan 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

The shape of a garden is rectangular inthe middle and semicircle at the ends. Find the area and the perimeter of this garden.[length of rectangle=20-(3.5+3.5)]

Posted by Vrinda Chhabra 7 years, 1 month ago

CBSE > Class 08 > Mathematics

2 answers

#Joel Wilson 7 years, 1 month ago

Perimeter = (perimeter of rectangle + perimeter of both semicircle) - 14

#Joel Wilson 7 years, 1 month ago

Area =area of rectangle + are of both semicircle

ANSWER

Solve the equation 8X + 4 equal to (3 x - 1 + 7)

Posted by Pavan Reddy 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

8x + 4 = 3x - 1 + 7 = 8x + 4 = 3x + 6 8x - 3x = 6 - 4 5x = 2 x = 2/5

ANSWER

All the chapter fomula

Posted by Ankush Raj 7 years, 1 month ago

CBSE > Class 08 > Mathematics

0 answers

ANSWER

Formula of cylinder

Posted by Mohit Yadav 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

TSA = 2πr(h+r) CSA = 2πrh Volume = πr²h

ANSWER

What is ADDITIVE INVERSE if (-24)

Posted by Raghav Sharma 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

?☺???Hrishi Khapekar???☺? 7 years, 1 month ago

+24

ANSWER

Can anyone send me the whole working of the question of the number 247 X is divisible by 9 what is the value of x?

Posted by Pavan Reddy 7 years, 1 month ago

CBSE > Class 08 > Mathematics

1 answers

#Joel Wilson 7 years, 1 month ago

X= 5

ANSWER

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