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Let base is 2xaltitude is xArea =base*altitude98=2x*x98=2x²x²=98/2=49x=7

Base=2*7=14cmaltitude=7cm

A room 12.5m long and 10.5m wide is surrounded by a verandah 2m wide all around it.Find the area occupied by a verandah

answer is 108m square

Area of circle is = πr² .... where r = radius and π = 22/7

Biological Sciences

Biology, study of living things and their vital processes. The field deals with all the physicochemical aspects of life. The modern tendency toward cross-disciplinary research and the unification of scientific knowledge and investigation from different fields has resulted in significant overlap of...

there are 7 signs of biological life

M - Movement: Locomotion or changing habitants from one place to another. Locomotory Organ may or may not be present but it is important to move for life.

R - Reproduction: For the existence beyond time, one should have ability to fight the time and diseases and continuously reproduce the off springs.

S - Sensitivity: Yes you can live without sense but its not better than having senses. Human has five senses and their can be more senses that we couldn`t sensing them.Here in earth we have light in day Dark in Night, Heat in summer cold inn winter, |Floral scent in spring Rain in Monsoon, Flesh living or dead, animal or plant we have to sense them all and most importantly we have to have the sense of humanity which is most important in this century.

G - Growth: It should be revolutionized it should be need basis. Like we have vestigial organs, Giraffe having long neck now. Growth should be both physical mental spiritual and intellectual.

R - Respiration: It is process of inhalation of oxygen from atmosphere to lungs and exhalation of carbondioxide from lungs to atmosphere.It is of two types;-Anabolic: Respiration in presence of oxygen-Catabolic: Respiration in absence of oxygen

E - Excretion: It is the process of throwing out of waste from the body. For human excretory organ is Kidney which helps in excretion of urine.

N - Nutrition: Its the energy for any living organism. Without nutrition its impossible to do other functions like excretion, respiration, growth, sensation, movement etc. So nutrition is the way of feeding to living for better living.

cos4x as

cos2(2x) =1-2sin²(2x)

=1-2(2sinx . cosx)² { sin2x = 2sinx. cosx}

=1-2(4sin²x.cos²x)

=1-8sin²x.cos²x

LHS=RHS

Thanks bhaiya your answer is right

please like my answer if you find it useful

Thanks

18th december 2011 to 31st december 2011.total december days = 13 days.

1st january 2012 to 31st january 2012 total january days = 31 days.

1st february 2012 to 29th february 2012 total february days = 29 days.

1st march 2012 to 21st march 2012total march days = 21 days.

total days from 18th december 2011 to 21st march 2012 = total december days + total january days + total february days + total march days.= 13 days + 31 days + 29 days + 21 days.= 94 days.

Naveen Patnaik is the chief minister of Odisha

17 kilometres=

17000000 millimetres

17000000 millimeters is the right answer.

17000000mm is the correct answer of the given question

1km=1000000mlso, 17 km= 17×1000000 = 17000000millimeter

17000000 millimeters in 17 kms

17000000mmis correct answer

17000000mm is the best answer

17000000 millimeters

1 kilometer = 10,00,000 millimeters17 kilometer = 17×10,00,000 = 1,70,00,000 millimetre.

17000000 is the correct answer

17×100000017000000is correct answer

There are 17000000 Milimiters in 17 kilometers.

348685+83792=432477in 2012

348685 + 83792 = 432477

the population in 2012 will be 432477

Population in 2011=348685,

population in 2012= ?

initial population + increased population= 348685 + 83792 = 432477

thx

option C will be wright

Ans :- Consider 3 two ohm resistances in series

R effective=2+2+2=6 ohms

Now consider a 4th 2 ohm resistance in parallel to this effective

therefore

1/Rnet=1/6+1/2

1/Rnet=4/6

Rnet=1.5 ohms

thank you

d) more than 2 integral roots

d) is the correct answer

Cost of 6 soaps is Rs 54

Cost of one soap will be Rs 54/6 = Rs 9

Cost of 10 soaps is Rs 9 × 10 = Rs 90

This is a quadratic equation. It will have integral roots when: b2 - 4ac = 0 a = 1 ; b = - ( 1 - a ) ; c = - ( a + 2) ( - 1 + a )2 - 4 (1) ( -a - 2) = 0 1 - 2a + a2 + 4a + 8 = 0 a2 + 2a + 9 = 0 This is a parabola that lies completely above the x-axis, therefor it willnot have real roots (integral roots)There are no integral values of a which satisfy this equation! Algebraically: completing the square ( a + 1 )2 = - 9 + 1 ( a + 1)2 = -8 a + 1 = √ -8 a = -1 + √ -8 This will not be an integral value If all of your numbers and signs are correct, this is what I get.

-cosx + cis the answer

it's integral is sinx + C

a bar graph is used to represent data usally using bars of different lenghts and heights

3x+30=120then 3x=90;x=30

1) (1/2)^152) (-2)^14= (2)^143) (5)^44) (5)^5

15C(2r-1) = 15C(2r+4) 2r-1+2r+4 = 15 4r+3 = 15 4r = 12 r = 3

it's not matching

Please send the answer.it might be the the further simplification of the answer.