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Given : Diameter of hemispherical bowl = 36 cm , So radius of hemispherical bowl, r = diameter/2 = 18 cm

And we know Volume of hemisphere =2πr^3/3, So

Volume of hemispherical bowl =2/3πr^3=2/3π18^3cm^3And ,now, the liquid is transferred into 72 bottles and 10% liquid is wasted in this transfer.So,volumeofliquidthatistransferred=2/3π18^3-10/100×2/3π18^3=9/10×2/3π18^3cm^4

Given diameter of each cylindrical bottle = 6 cm , So radius , R = 3 cmAnd let the height of each bottle = h cmWe know volume of cylinder =πR^2h, So we get72πR^2h=9/10×2/3π18^3⇒72×π×32×h=9/10×2/3π18^3⇒h=5.40cmSo,Height of each cylindrical bottle =5.40 cm ( Ans )

In an regular hexagon inscribed in a circle, its side is equal the radius.P= 6 * side6*0.53cm

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the answer in the answer sheet is 754.29 cubic cm

the right answer is 146.36

the right answer is 146.36

the right answer is 14.96

the answer of the question is 146.36

a.100+45/5-24=67 sixty-seven

85 is the answer of DMAS

=100+45÷5-24=100+9-24=109-24=85

a) (a^2 - b^2) - (a^2 + b^2 + 2ab)= -2b(b +a)b)a^3 -ab -a^2b^2 + b^3 + a^2 + b^2 -2ab=a^3 + b^3 + a^2 + b^2 -a^2b^2 -3ab

d)4abe)x^2 + y^2 + z^2 +2xy +2yz +2zxc)(2.3x - 1.7y)(2.3x + 1.7y +5) -(2.3x -1.7y)(2.3x+1.7y)=(2.3x - 1.7y){2.3x +1.7y +5 -2.3x -1.7y)=5(2.3x - 1.7y)

-100-(-500)+600-100+500+600+400+600+1000

1000 is the right answer

1000 is the correct answer of the given question

1000 is the correct answer

1000 is the right answer

1000

1000 is the correct answer

15/17-14=15/3=5 is the right answer

Total sum of 5 observation=17×5=85

total sum of 1st 3 observation=15×3=45

total sum of last 3 observation=18×3=54

3rd observation =(45+54)-85=99-85=14

average

Mean = sum of observations / No. of observations

11 = (x + (x+2) + (x+4) + (x+6) + (x+ 8))/5

55 = 5x + 20

5x = 55 - 20 = 35

x = 35/5 = 7

Therefore mean of last 3 observations= (x + 4) + (x + 6) + (x + 8)/3= 3x + 18/3= x + 6= 7 + 6 = 13

Given that Mean of 5 observations is 15.

Therefore the sum of observations = 15 * 5 = 75.

Given that mean of the first 3 observations is 14.

Therefore the sum of first three observations = 14 * 3 = 42.

Given that mean of last 3 observations is 17.

Therefore the sum of the last three observations = 17 * 3 = 51.

Hence,

The third observation = (42 + 51) - 75

= 93 - 75

= 18.

Make a square root spiral and write the result. of the observation?

_21+(_59)== -38 because of addition the number to get 2nd term

(-59)-x=(-21)x=59-(-21)x=80.

3/2+(-23)/2=-20/2=-10

answer will be -229°5’25’' will be the correct answer

3 A+ 2 5 -------- B 2

3 7+ 2 5 -------- 6 2

to cut rot into 2 pieces it has only to cut at one point which will automatically divide it into 2 partssimilarlyto cut it into 5 pieces it has to be cut at 4 points now time taken taken to cut at 1 point is 4 minutes so time to cut it at 4 points is 4 * 4 equal to 16 minutes.

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if 4 trainees needs 1 supervisor then 20 trainees would need 20÷4=5supervisor

Given,Length l = 15 cm, Breadth b = 7 cm, Height h = 8 cm

Total surface area= 2(l*b + l*h + b*h)= 2(15*7 + 15*8 + 7*8)= 2(105 + 120 + 56)= 2(281)= 562 cm^2

you have done the wrong multiplication

First find area of triangle =( 25+17+12)/2s=27cmroot(27×2×10×15)area = 90cm^2now area =1/2 ×b×hbase take as longest side =251/2×25×h=90h=90×2/25h=36/5cm

sqrt(1 21/100) - sqrt(1 7/9)

= sqrt(121/100) - sqrt(16/9)

= 11/10 - 4/3

= (11*3 - 4*10)/30

= (33 - 40)/30

= - 7/30

Answer:

Step-by-step explanation:

Given Virendra bought 18 bags of rice, each bag weighing 5.250 kg. How much rice did he buy altogether? If the rice costs 42 rupees per kg, how much did he pay for it?

So we know that

one rice bag weighs 5.250 kg

Therefore 18 bags of rice will weigh 5.250 x 18

It will be 94.5 kg

Altogether he bought 94.5 kg of rice

Now 1 kg of rice will cost Rs 42

So 94.5 kg of rice will cost 94.5 x 42 = Rs 3969

So he paid Rs 3969 for rice bags.

94.5 kg rice , he buy altogetherand 3969rs ,he pay for it