Friday
October 28, 2016

# Posts by anu

Total # Posts: 195

Chemistry
Find dissociation constant of e thanoic acid having concentration 0.2M and degree of dissociation 50%
October 12, 2016

chemistry
calculate the number of moles and mass of methane (ch4) required to produce 11 kg of carbondoxide(co2) when combusted ?
September 17, 2016

math
(-3, -1) , m = 1/5 graph this using given point and slope
September 7, 2016

maths
Ticket rate for the science exibition is 10rs for a child and 26 rupees for an adult. 740 rupees was got from 50person. How many children among them?
August 6, 2016

science
Find the angle of friction when rod starts sliding
June 4, 2016

Maths
the length of a certain rectangle is 3 meters more than twice its width.what is the width of rectangle if the perimeter of the rectangle is 150 meters?
May 31, 2016

Chemistry
Fe+o2+h2o->fe(oh)3
May 19, 2016

Maths
A bag contains 4 white beads and one black bead. Three beads are removed from the bag individually being replaced before each selection .find the probability that from the three beads there are at least two black beads
January 17, 2016

math
A hollow cylindrical iron pipe is of length 35 cm . It's outer and inner diameters are 10cm and 8cm respectively . Find the weight of the pipe if 1 cube centimeter of iron weights 7 gram
January 7, 2016

maths
If the value of (⊗ + 1) 2 - 3 is 22, what is the value of (⊗ + 1) 2 - 5?
December 15, 2015

maths
If the value of (⊗ + 5) 2 is 81, what is the value of (⊗ + 5) 2 + 1?
December 15, 2015

maths
Use the numbers 2, 5, 6, and 9 to write an expression that has a value of 1.
December 15, 2015

maths
use 2,4,5,8 to write an expression that has a value of 5
December 15, 2015

Stba
Two equal mass at distance r attract at force F . Now 20% mass from one sphere is transfer to the another sphere. What should the %change in the distance between them so F become same .
November 26, 2015

maths
The sum of first 6terms of an A.P.is 6.The product of second term and fifth term is -80.Find the terms of A.P.
October 7, 2015

maths
the temperature drops by 6 degree Celsius for each of the next three days write down the calculation to work out the total change in temperature over these three days
September 23, 2015

sagar public
. If the sum of m terms of an AP is the same as the sum of its n terms, show that the sum of its (m+n) terms is zero.
March 25, 2015

chemistry
Two moles of an ideal gas initially at 27C and 1 atm pressure are compressed isothermally and reversibly till the final pressure of the gas is 10 atm. Calculate the work done. (R=8.314 JK-1mol-1)
February 21, 2015

science
A girl drops a stone into a mine shaft 122.5m deep. How soon after she drops it does she here the sound of it striking the bottom of the shaft?
February 16, 2015

MATHS
5 p.c.p.a
January 10, 2015

math 221n
A shipment of 40 television sets contains 3 defective units. How many ways can a vending company can buy five of these units and receive no defective units?
August 27, 2014

chemistry
1) 1.12 dm3 of a gas at STP is found to weigh 3.55g.Find molecular weight and vapour density of gas 2)5.6 dm3 of a gas at STP weighs 11g Find out its relative molecular mass & vapour density
August 15, 2014

Physics
WHAT DOES A DISPLACEMENT-TIME BALLON TYPE GRAPH REPRESENTS?
June 11, 2014

statistic
A survey of households in a small town showed that in 500 of 1,200 sampled households, at least one member attended a town meeting during the year. Using the 95% level of confidence, what is the confidence interval for the proportion of households represented at a town meeting?
May 21, 2014

Astronomy
2.089*10^28
April 25, 2014

chemistry
if .5 mole of baCl2 is mixed with .2 mole of Na3Po4.Then maximum number of mole of Ba3(PO4)2 is
March 29, 2014

maths
the difference b/w a 3 digit number and the number formed by reversing its digits is 396,the difference of hundreds and the units digit,is one less than the sum of the units and tens digit .find the number
July 1, 2013

maths
there are 7 children standing in a line ,not all of whom have the same number of cakes with them, if the first child distributes his cakes to the remaining six children such that he doubles their respective no.of cakes ,then he will be left with four cakes. instead ,if the ...
July 1, 2013

Maths
A two digit number is formed by either substracting 17 from nine times the sum of the digits or by adding 21 to 13 times the difference of the digits .find the number
June 29, 2013

math
there are balls of colors red, blue and green. 65 students of a class like exactly one color, 10 students like no color, 40 students like exactly 2 colors and 15 students like all the 3 colors 1. how many students are there in the class. 2.how many students like atleast 2 colors.
June 19, 2013

mec 112
A 10kg trunk lies on a horizontal rough floor,the coefficient of friction between the trunk and the floor is 0.75. Calculate magnitude of force P which is necessary to pull the trunk horizontally if the P is applied horizontally and at 30 degrees above the horizontal.
January 12, 2013

St josephs
Machine set up is correct 60% of time & is incorrect 40% of time, 10 % of parts produced are defective when set up is correct, & 60 % would be defective if set up is incorrect. Find the probability that part is defective even though machine was set up correctly
December 3, 2012

Engineering maintenance
an undamped mass spring system is with mass of 12kg and stiffness of 15N/mm,a)determine the natural frequency and the period of the free motion of the system b)determine the amplitude of displacement A and the phse shift for the initial conditions x0=2mm,v0=-1mm/s
October 29, 2012

ela
why you argee? this statement. about univesity kids: the top 20 percent are great. they re smart and self directed and they'll anywhere. then there are the rest. they don't know much. I need to write some lines why i agree please give some ideas to start and how to end.
September 6, 2012

math
a) 3x(3x-1) b) (2x-3)(2x+3)
September 1, 2012

math
plug in 1 for n for the first term. plug in 2 for second term and so aon until the sixth term ex:(-3)n (-3)1=-3 (-3)2= -6 etc... :P
September 1, 2012

math
plug in the value for x and solve 3(2)-10 6-10 =-4 capish?
September 1, 2012

math
Draw graph of y= x^(1/2) to help you understand solution. Rotation about y-axis means that the radius of the solid (length being swung around the axis is the x-value). it helps to solve for x-value rather than try to substitute everything. x=y^2 where y>0 each disk or x-...
September 1, 2012

math
Graph it if you don't understand my solution: Linear equations follow the format y=mx+b where m is the slope and b is the y-intercept. let y= fees and x=number of credits now calculate slope (change in y/change in x) m=(2600-2000)/(6-3)= 200 y=200x+b Plug in any point to ...
September 1, 2012

math
a) illogical nonidentity because 4 does not equal 5 b) testable statement. i don't know your definition of logical statement and can't be of much more help here 3) false obviously d) logical statement due to commutative prop of addition
September 1, 2012

mat
for the first one I assume they want you to factor out ¡ñ 30 and add 801+4 for the second, I assume they want you to first factor out ¡ñ 20 then do the combination--not 100% sure.
September 1, 2012

math
it is the length of the circle's perimeter the formula for cicumference is 2 pi r. pi is a contstant that goes on forever (3.1425....) and r is the length of the radius
September 1, 2012

math
Bring constant to other side: y-81=9x^2+72x Make constant in front of x^2 term one: (y-81)/9=x^2+8x (y/9)-9=x^2+8x complete the square...(x+a)^2= x^2+2abx+a^2. x^2=x^2 so 8x=2ax= so a=4 4^2=a^2=16 The equation you want to create is (x+4)^2= x^2+8x+16 previously we had (y/9)-9=...
September 1, 2012

Math
lim (x->0) x^4 cos 2/x= =lim (x->0) x^4 * lim (x>0) cos 2/x = 0 * lim (x>0) cos 2/x cos (a) will always be between -1 and 1. but this is irrelevant since x^4 is 0 at x=0, and anything multiplied by 0 is 0 :P
September 1, 2012

math
x intercepts...think of the graph. the line crosses the x-axis when y=0. so set y=0 0=(3x+2)(x+2) 0=(x+2) or 0=(3x+2) Solve to get -2 and -2/3 As for axis of symmetry and vertex...you can use vertex form or remember that (-b/2a) in ax^2 +bx+c will give you the x-coordinate of ...
September 1, 2012

college math
find the derivative: f'= 15x^14 this function is always positive (graph if you don't believe me) because any number to an even power must be 0 or greater. thus since the derivative is always positive, the graph of f (x) is always increasing :P
September 1, 2012

math
This equation is derived from the following: at maximum height the velocity is zero. y(current height)= y0 (initial height)+v0t+.5at^2 take the derivative 32t-v0=0 so vo=32t Plug this in for the v0 value 16t2 − (32t)t + h = 0 h=49ft -16t^2+49=0 Solve for t: 16t^2=49 4t=7...
September 1, 2012

statistics
no. of 10 resturants surveyed in city of lucknow and found that average food wastage per day is 35 kg with variance as 3 kg . is it reasonable to assume that the daily mean wastage of food in a resturant is 38 kg ? test @5% significance level.
May 14, 2012

statistics
a random sample of 100 students from the current years batch gives the mean IQ level of 110 and variance of 5 can we say that this is same as the IQ of the previous batch which was 116.
May 14, 2012

geometry
quadrialteral abcd is aparallelogram.If the measure of angle A is 62 degrees, measure of ADB is 75 degrees, what is the measure of angle ADC in degrees
January 12, 2012

American Government
Please explain what conditions cause new democracies to survive and thrive or to fail ?
November 28, 2011

Fitness and Safety
Are these right ? 7. Which major muscles are used in your arm when you pick up a bowling ball and throw it down a bowling lane? Name 4. 1. Pectoralis 2. Trapezius 3. Deltoid muscle 4. Triceps 8. Which muscles in the legs are used to do a jumping jack (where you jump quickly ...
November 28, 2011

Fitness and Safety
5. Is it true that when you lift weights your muscles get bigger from more muscle cells?
November 28, 2011

Fitness and Safety
Ok, but thanks for the link.
November 28, 2011

Fitness and Safety
3. How does it benefit your muscles to do different types of strength training activities? 4. What are some of the challenges or disadvantages of using weight machines? 5. What's the difference between dumbbells and barbells?
November 28, 2011

chemistry DONT spik
a sample of carbon dioxide gas has a mass of 52.0g. how many oxygen atoms arr present?explain please don't skip
October 2, 2011

chemistry
a sample of carbon dioxide gas has a mass of 52.0g. how many oxygen atoms arr present?explain
October 2, 2011

chemistry
caculate the mass of agcl precipitated when 0.1g of nacl and 0.1g of agno3 are mixed in solution
July 16, 2011

science
an aluminium container of mass 100g contains 200 g of ice at -20'c heat is added to the system at the rate of 100 cal/sec. what will be the final tmperature of the mixture after 4 min? given:specific heat of ice:0.5 cal/gm'c ,latent heat of fusion:80 cal/gm and ...
March 17, 2011

calculus
A right triangle of hypotenuse L is rotated about one of its legs to generate a right circular cone find the largest volume that such a cone could occupy
January 7, 2011

calculus
A. a particle moves around the circle x^2+y^2 = 1 in such a way that the x coord rate of change is dx/dy= y B) IS THE PARTICLE MOVING COLCIKWISER OR COUNTERCLOCKWISE AROUND THE CIRCLE C) FROM THE RT TRIANGLE ONE CAN SEE THAT SIN(THETA) = Y AND COS(THETA) = X USE THESE ...
January 7, 2011

calculus
right circular cylindrical tin cans are to be manufactured to contain 400 cm ^3 of volume. There is no waste involved in cutting the tin that goes into the vertical sides of the can, but each end piece is to be cut from a square and the corners of the square wasted. Find the ...
January 7, 2011

calculus
A right triangle of hypotenuse L is rotated about one of its legs to generate a right circular cone find the largest volume that such a cone could occupy
January 7, 2011

ela
can you give me an example of classical allusions please but from romeo and juliet
November 30, 2010

math
2 trees are 80 m apart . from a point halfway between the trees, angles of elevvation of the tops of the trees are measured. what is the height of each tree to the nearest metre
November 15, 2010

ela
i have to draw globe thetre but i have no idea how to draw. they give me some describsion:the stage was 4-5 feet high,surrounded by railing,. the celing above the stage, supported by two colums,was painted with the sun,moon,stars and zodiac sign and more like balcony ........
November 4, 2010

day care
industry vs inferiority
November 3, 2010

day care
samuel is beginning to realize that he has a talent for art and he feel good about it which of erikson 's stages may he have reached
November 3, 2010

pre algerbra
33xsquare-11plus10
October 28, 2010

English
satirical quotes from midnight's children and The God of Small Things
October 26, 2010

English
Satirical quotes from midnight's children and The God of Small Things
October 26, 2010

English
Comparison of the Satirical quality in the novels of Rushdie and Roy
October 26, 2010

geo
can u give me some points on against mosquito fogging because i am in green party i have this points: negative impact on environent human issue but i need two more points to discuss
October 14, 2010

Teachers Aide/Early Childhood Education and After-
Ms sue thanks 4 giving me the wrong answers on 2. (A) 11. (A) 14. (B now i've got low grade because i trusted ur answers thanks alot :(
September 28, 2010

An Overview of Teaching Techniques
thankyou this was relle helpfull i got a 100%
September 15, 2010

chemistry
0.01062M
June 21, 2010

s.s (the middle ages) Grade 7
June 3, 2010

s.s (the middle ages) Grade 7
i have 10 words and 11 definations for them. i have only left 3 words and 4 definations and tommorow i have a test please help me! Words: manor, pilgrim and vassal definations: a) a persone who travels to a holy b) lesser nobles c) faithfulness d)an estate owned by a noble ...
June 3, 2010

NOT anwered again
atleast tell me that you don't kmow
May 26, 2010

science
i know what 4 fates of the star are black dwarf supernova neutron star black holes but i don't know how they end up ( die)
May 26, 2010

WHY SKIPED MY QUESTION??????????????
PLEASE I NEED TO FINISH BY TODAY
May 26, 2010

science
descibe and explain 4 fates of a star ( after they die)? this is my 2nd last question to finish my worksheet and it is for marks please help me thanks
May 26, 2010

s.s project
my is elderly people things to start a presentation goes like this ............. 'cities needs to provide services to all residents but espially to eldery people' because there population increases in future! city need 55 plus buildings to live and pavllion. they ...
May 18, 2010

project
my is elderly people things to start a presentation goes like this ............. 'cities needs to provide services to all residents but espially to eldery people' because there population increases in future! city need 55 plus buildings to live and pavllion. they ...
May 18, 2010

city project
my is elderly people things to start a presentation goes like this ............. 'cities needs to provide services to all residents but espially to eldery people' because there population increases in future! city need 55 plus buildings to live and pavllion. they ...
May 18, 2010

geography
May 13, 2010

geography
elderly on my poster can i put like this... facilities: - Health care[hospitals] - recreation[clubs,parties,bingo] -home care -transportation -55 pluss including services -funeral services -elavators\hrdralic chair lift -basic services -food -handicap parking -discounts -...
May 13, 2010

Geography
elderly - Health care[hospitals] -recreation[clubs,parties,bingo] -home care -transportation -55 pluss including services -funeral services -elavators\hrdralic chair lift -basic services -food -handicap parking -discounts -lisence to drive this is my iformation so i start
May 13, 2010

Geography
i have a project it is on urban planning Committee. so i got Elderly . so i have to present my ideas to my classmates and to teacher. iam starting my presentation like this .... my name is anu and my projct is on Elderly . Elderly people will have helth care..... i think it is...
May 13, 2010

ENGLISH.
CAN U HELP ME TO MAKE 8 LINES ENGLISH POEM WHICH IS SAID BY ENVIRONMENT?
April 27, 2010

Science
The bottled water industry has become an enormous, multi-billion dollar a year industry.there are some negative impacts of bottled water idustry on enviroment.many of these bottles are recycled by conscientious consumers, most are not, and are ending up in increasingly over-...
March 9, 2010

SCIENCE
what time tutors stay
March 9, 2010

science
March 9, 2010

science
for my intro i got a 'Water is the elixir of life'and i got lota of negative impact are trasportation, production is the reliance on fossil fuels,Raw plastic must be heated before it can be injected into bottle-shaped blow molds, and this heat source is often ...
March 9, 2010

science
it is water bottled compony is currentl employing sustainale development first we have to tell breif history about negative impact of industry second we have to explain new sustainable practices of the idustry third we have to tell what is the store in the future of this ...
March 9, 2010

science
just help me how to start my intoduction on bottled water idustry
March 9, 2010

science
can you tell me negative impact of water bottled industry
March 9, 2010