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Shaik Aurangzeb 4 months, 1 week ago

1

Manjeetkumar14 Manjeetkumar14 3 months, 2 weeks ago

Hi

Karthik Das 1 year, 2 months ago

If <BAD = 108°. Find: (1) BOC (ii)<DCF (iii) DBO

Karthik Das 1 year, 2 months ago

In the given figure, ABCD is a cyclic quadrilateral, where DB = DC CF is a tangent to the circle at C. If <BAD = 108°. Find: (1) BOC (ii)<DCF (iii) DBO

Vanshika Sarraf 1 year, 2 months ago

8+x

Mathematics Math 1 year, 5 months ago

9X90

Fuzz Rudraksh 1 year, 5 months ago

Vip

Harjit Singh 1 year, 10 months ago

Excercise solution

Rasmi Khatun 2 years ago

সরল সুদকষা

Karan Gaming 2 years, 1 month ago

3

Karan Gaming 2 years, 1 month ago

90

Yuvraj Singh Yadav 2 years, 1 month ago

Arpit Airen 2 years, 7 months ago

Here you have to matrix addition mean you have to simple add corresponding elements of the matrices.

For eg.

[ a b] + [c d] = [a+c b+d]

Similarly, you can add corresponding elements for any order.

Just make sure to add a11 with b11

a12 with b12

a21 with b21

a22 with b22 and soon.

Sia ? 2 years, 6 months ago

15

Sia ? 2 years, 7 months ago

Pramesh Kadraka 1 year, 8 months ago

A nswar the following questions each in about 50 word

Gauri Patel 2 years, 7 months ago

19.8 cm

Gauri Patel 2 years, 7 months ago

Suhani . V 2 years, 10 months ago

Let cost of apples be rs x Let cost of grapes be Rs y A. T. Q 2x+1y=160 ---------- 1 4x+2y=300 ---------- 2

Archana Bhandari 2 years, 10 months ago

Let cost each kg of apples = Rs x Cost of each kg of grapes = Rs y Given that the cost of 2 kg of apples and 1kg of grapes on a day was found to be Rs 160 So that 2 x + y = 160 … (i) 2x = 160 - y x = (160 – y)/2 Let y = 0 , 80 and 160, we get x = (160 – ( 0 )/2 = 80 x = (160- 80 )/2 = 40 x = (160 – 2 × 80)/2 = 0 x 80 40 0 y 0 80 160 Given that the cost of 4 kg of apples and 2 kg of grapes is Rs 300 So we get 4x + 2y = 300 … (ii) Dividing by 2 we get 2x + y = 150 Subtracting 2x both side, we get y = 150 – 2x Putting x = 0 , 50 , 100 we get y = 150 – 2 × 0 = 150 y = 150 – 2 × 50 = 50 y = 150 – 2 × (100) = -50 x 0 50 100 y 150 50 -50 Algebraic representation, 2x + y = 160 … (i) 4x + 2y = 300 … (ii) Graphical representation, Graph 3 ## myCBSEguide

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