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Given E = 210GPA And poisson ratio is μ = 0.3

so , G = E/2(1+μ) = 210/2(1+0.3) = 210/2.6 = 80.76GPa.

now, K = E/3(1-2μ) = 210/3(1-2*0.3) = 70/(1-0.6) = 70/0.4 = 175GPa

Cot ( 90 - x ) = tan x

According to the problem given,

Tan 2A = cot ( A - 18 )

Cot ( 90 - 2A ) = cot ( A - 18 )

Remove the cot both sides

we get ,

90 - 2A = A - 18

-2A - A = - 18 - 90

- 3A = - 108

A = ( - 108 ) / ( - 3 )

A = 36°

x + y - 28= 3+(-2) -28=3 - 2 - 28= 1- 28= (- 27)

x=1, -1 is correct answer

x=1, -1 is the correct answer

x^2+2x+1=x^2+1x+1x+1=x(x+1)+1(x+1)= ( x+1)(x+1)=(x+1)^2; x=-1, -1

x^2+2x+1=0x^2+x+x+1=0x(x+1)+1(x+1)=0(x+1)(x+1)=0either x+1=0x= -1x+1=0x= -1-1, -1 are the zerossum of zeros= -2product of zeros= 1

water left = 1000L - 387L 50mLas 1mL = 1/1000 Lso 1000L - 387.05L = 612.95 L

in mixture water & milk and answer c 28

total water consumed

for this find total litres=35+54=89litresnow adding millilitres hence250+750=1000ml=1liteehence 89+1=90litres.

The parallelogram with equal adjacent angles is called RECTANGLE.

Another name for trianglar pyramid is tetrahedron

Let a large circle with the radius of "a" and the radius of the smaller circle be "b",

As given in the question,

⇒ Difference of areas = 100 cm^2

⇒ Area of large circle - Area of small circle = 100 cm^2

From the properties of circle, we know : -

Area of circle = πr^2, where r is the radius of the circle

= > πa^2 - πb^2 = 100 cm^2

= > π( a^2 - b^2 ) = 100 cm^2

Also, ⇒ Difference of their perimeter = 10 cm

⇒ Perimeter of large circle - perimeter of small circle = 10 cm

From the properties of circle, we know : -

Perimeter of circle = 2πr= > 2πa - 2πb = 10 cm = > 2π( a - b ) = 10 cm

Now,= > π( a^2 - b^2 ) = 100 cm^2 --- ( 1 )

= > 2π( a - b ) = 10 cm --- ( 2 )

Divide ( 1 ) by ( 2 ), we get a + b = 20 cm

Now,= > 2π( a - b ) = 10 cm = > a - b = 10 cm x 1 / 2 x 7 / 22 = > a - b = 35 / 22 cm

Then, adding a + b and a - b,a + b = 20 cma - b = 35 / 22 cm

2a = 20 + 35 / 22 cm

= > 2a = ( 440 + 35 ) / 22 cm= > 2a = 475 / 22 cm= > a = 475 / 44 cm

And, a + b = 20 cm b = 20 cm - 475 / 44 cm b = 405 / 44 cm

Hence, radius of larger circle is 475 / 44 cm and radius of smaller circle is 405 / 44 cm.

Dimension of Reactangular box is length = x^2y, breadth = xy^2 and height = 3xy

Volume of Reactangular box= length * breadth * height= x^2y * xy^2 * 3xy= 3x^[2+1+1]y^[1+2+1]= 3x^4y^4

107 and 73eq 1.x+y=180eq2x-y=34

Suppose there are 100x books on 2nd row.

Then, 1st row=125x

2nd row=100x

3rd Row=75 x

Total 125x+100x+75x=300x=900

x=3

So, on 1st row =125X3=375 books.

Total books=576Books in one box=24Total boxes=576/24=24Therefore,24 boxes are needed.

let w be the no. of books in other language

then x+y+z+w=100w=100-(x+y+z)

Total=75 apples1/5 of total is rotten1/5(75)=15 applesNumber of good apples=Total-Rotten=75-15=60 apples

volume of box = l×b×h = 10×6×4 =240 cu.mno of cube = 240/15 =16 cubes accommodate in box

Volume of box = l× b× h= 10× 6× 4 = 240 cu. mno. of cubes = 240/15 = 16 cubes

5a+4b+3c+3a-3b-2c-2a+5b-8c=6a+6b-7c answer

5a+4b+3c+3a-3b-2c-2a+5b-8c=6a+6b-7c answer

Maths=3.5 poundHistory=2.75 poundScience=3.5 poundTotal= 9 .75 poundAnswer A

that appears correct. but they want it solve using tape diagram which has me confused

Sorry, the question had no other explanation.You can use squares in place of the variable to create tape diagram.

first box=275, second box=125, third box=350

Let the 1,2,3 box be a, b, c respectivelyNow, ATQa+b=400.....(i)b+c= 475 .....(ii)a+c = 675 ...(iii)b+c=475c= 475-b....(iv)putting iv in iii we geta + 475-b = 625therefore, a-b = 150 .....(v)adding v from i we geta+b= 400a-b= 150a= 275 then we will get b= 125c= 350

option 2 is the correct answer

option 2 is correct answer

option 2 is correct answer

option 3 is a right answer

2) is right good answer

option 2 is correct answer

option 2 is correct answer

each shop will get 12 boxes

48÷4=12.each shop get 12 boxes of soap.

48÷4=12 each shop will get 12 boxes

48÷4=12. each shop get 12 boxes of soapand this is the right answer of the following

so a box has : 25 toffeesand there are 28 boxesthus in total of 28 boxes, there will be 28 x 25 toffees

= 700 toffees

probability that a box will NOT contain from 95 to 105 clips=P(X>105 or X<95)=1- P(95<X<105)=1- P((95-100)/5 < (X -100)/5 < (105-100)/5)=1- P((-1 < (X -100)/5 < 1)=1- (P((X -100)/5 < 1) - P((X -100)/5 < -1))=1- (P((X -100)/5 < 1) - (1- P((X -100)/5 < 1)))=1- (2 * P((X -100)/5 < 1) - 1)=2 - 2 * P((X -100)/5 < 1)=2- 2 * 0.8413=0.3174

hence, 31.7%

hand stitch bag sugar weight 98.5 kg

Weight of 37 bags = 3644.5 kgWeight of 1 bag = 3644.5/37 98.5 kg

Answer = 98.5 kg

No it's not a quadratic equation

no it's not a quAdratic equation

x^2+3x-7= x^2-1+3x/xx^3+3x^2-7x-x^2-1+3x=0x^3+2x^2-4x+1=0general quadratic equation ax^2+bc+c=0but power is 3 so it is not quadratic equation

so it is not quadratic equation

no it's not a quadratic equation

no it is not a quadratic equation

X(x+3)-7=(x-1/x)+3 is not a quadratic equation

it is not a quadratic equation

weight of one bag = 3554.25/35 = 101.55kg

My photo

thank you

ansar ta ki hoba bolo to

2—(2up/and/3down) dakhona ki hoba dia bolo

Mohan has 10 mangoes and Ram takes 3 mangoes so Shyam left with mangoes = 10 - 3 = 7