Akash
Most popular questions and responses by Akash
poetry
Poem. DayBreak Q.1 Who does the wind address to? Q2. "The night is gone,"What does the. world 'night' refer to ? Q3. What does the poem describe? Q4. "Not yet! In quietlie".What is the meaning of this line? Q5. What does the title of the poem symbolise?
asked on May 27, 2014 
11th Grade Maths
The difference between the two acute angles of a right angled triangle is 2 π/5 radians. Express the angles in degrees. I’ve multipled 2 π/5 * 180/ π and got the result 72 degree But the answer is 81 degree and 9 degree. Please explain me!!!
asked on May 12, 2010 
Calculus
The marginal cost of a product is modeled by dC/dx =12/Cube root (12x+5) where x is the number of units. When x = 13, C = 160. (a) Find the cost function. (Round your constant term to two decimal places.) C= Ans 3/2(12x+5)^2/3 +115.61 ???? (b) Find the
asked on November 10, 2015 
10th Maths chpolynomials
Obtain all zeros of f(x)= x3 + 13x2 + 32x + 20, if one of it's zero is 2
asked on October 15, 2008 
Trigonometry
a rope dancer was walking on a loose roop tied to the top of two equal post of height 9m. when he was 3m above the ground, it was found that stretched pieces of roop made angle of 30 degree and 60 degree with the horizontal line parallel to the ground.
asked on January 23, 2018 
math calculus
The revenue R for a company selling x units is R = 700x − 0.1^x2. (a) Use differentials to approximate the change in revenue as the sales increase from 2900 units to 3000 units. dR = $ (b) Compare this with the actual change in revenue. ΔR = $
asked on May 4, 2013 
math calculus
The concentration C (in milligrams per milliliter) of a drug in a patient's bloodstream t hours after injection into muscle tissue is modeled by C = 3t/26 + t^3 Use differentials to approximate the change in the concentration when t changes from t = 1 to t
asked on May 4, 2013 
Calculus
A professional athlete signs a fouryear contract in which the earnings can be modeled by c = 300,000 + 750,000t, where t represents the year. (a) Find the actual value of the athlete's contract. =7200000 (b) Assuming an annual inflation rate of 4%, what
asked on November 12, 2015 
math 165 calculas
An open box is to be made from a eighteeninch by eighteeninch square piece of material by cutting equal squares from the corners and turning up the sides (see figure). Find the volume of the largest box that can be made. figure ( a box and one side is
asked on October 6, 2015 
Grade 11th Chemistry
How many molecules of water and oxygen atoms are present in 0.9g of Water. this numerical is based on Mole Concept. Kindly solve it!!!
asked on June 28, 2010 
Physics
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 328 N, is applied at an angle α = 35° to the forward dashed line. The second force, F2 = 464 N, is applied at an angle β = 13° to the forward dashed
asked on November 2, 2014 
math
a right circular cylindrical container ,contains 2160cubic cm water. if the diameter of the base of the cylindrical container is 24 cm, then find the height of the cylindrical container.
asked on September 3, 2017 
math calculus
Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your answers to two decimal places. If an answer does not exist, enter DNE.) g(x) = (x^2 − 4)^2/3, [−5, 3] find absolute maximum (x,
asked on March 31, 2013 
Calculus
Find the area of the unbounded shaded region. Y= 7/ SQRT (7X)
asked on November 12, 2015 
Calculus : Derivative
If xy log(x+y) = 1, prove that dy/dx = y(x^2y +x+ y)/x(xy^2 + x + y)
asked on June 15, 2011 
Physics
A golf ball is shot from a tee, elevated 20m above the green, with an initial speed of 27m/s at an angle of 50° above horizontal. a) What will be the speed of the golf ball before it hits the green, 20m below it started? b) How much time will it take for
asked on October 16, 2017 
arithmetic
In an AP the first term is 2 and the sum of the first five terms is one fourth of the sum of the next five terms. Show that the 20th term is 112.
asked on February 28, 2012 
Math
a rope dancer was walking on a loose rope tied to the top of two equal post of height 9m. when he was 3m above the ground, it was found that stretched pieces of roop made angle of 30 degree and 60 degree with the horizontal line parallel to the ground.
asked on January 25, 2018 
11th Grade Physics
A stone falls from a tower and travels 100m in the last second before it reaches the ground. Find the height of the tower
asked on August 5, 2010 
physics
a ball bounces to 60% of its original height.what fraction of its mechanical energy is lost in each bouces?where does this energy go?
asked on January 21, 2016 
physics
three point charges each of magnitude +q are located at the vertices of an equilateral triangle of side L. what magnitude of charge should be placed at the centroid of triangle to keep all the three charges in equilibrium?
asked on April 28, 2013 
Maths
There is a square garden whose area is 425.5969sq.m.If from every side the length is decreased by 0.03m,then what will be the possible length of new square garden.
asked on June 25, 2014 
calculus
Q.NO.3: Show that the function z=tan^1(2xy/x^2y^2)satisfies Laplace’s equation; then make the substitution x=r cosθ, y= r sinθ and show that the resulting function of satisfies the polar form of laplace’s equation
asked on May 12, 2017 
discrete math
You have borrowed $8000 from the bank. Suppose you want to repay a fixed amount of money for each of the following n years (except possibly the last year), and the annual interest rate r does not change in these n years. For example, if r = 10% and you
asked on April 30, 2017 
math
Find the absolute extrema of the function on the closed interval. Use a graphing utility to verify your results. (Round your answers to two decimal places. If an answer does not exist, enter DNE.) g(x) = (x^2 − 4)^2/3, [−5, 3]
asked on March 31, 2013 
Maths: Algebra Matrices Class 12th
matrix{{0, 1, 1}, {2, 1, 3}, {1, 1, 1}} matrix{{1, 1, x}} matrix{{0}, {1}, {1}}=0 Find the value of x Don't give me the direct answer. Please tell me how to go about this. Draw in your notebook and then solve
asked on April 11, 2011 
English
Close the windows immediately.change into passive voice.
asked on October 20, 2019 
Physics
A particle executes S.H.M with amplitude of 10cm and period of 10s. Find the velocity and acceleration of the particle at a distance 5cm from the equilibrium position
asked on July 20, 2018 
multivariate calculus
Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^1(y/x) satisfies Laplace’s equation. (∂^2z/∂x^2)+(∂^2z/∂y^2)=0
asked on May 13, 2017 
discrete math
Q:You have borrowed $8000 from the bank. Suppose you want to repay a fixed amount of money for each of the following n years (except possibly the last year), and the annual interest rate r does not change in these n years. For example, if r = 10% and you
asked on May 1, 2017 
math
from the top of a cliff 50 m high the angle of depression of the top and bottom of tower are observed to be 30 and 45 degree resp. find h of tower ?
asked on December 18, 2010 
discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.
asked on May 2, 2017 
calculus
Identify any intercepts, relative extrema, points of inflection, and asymptotes. (If an answer does not exist, enter DNE.) y = x^3 + 3x^2 + 3x + 2 xintercept (x, y) = yintercept (x, y) = relative maximum (x, y) = relative minimum (x, y) = point of
asked on October 10, 2015 
Physics
A particle takes 7seconds to complete one revolution what will be it's angular speed
asked on June 26, 2018 
PHYSICS
Why are cars made with bumpers that can be pushed in during a crash?
asked on September 2, 2015 
calculus
Let x = 1 and Δx = 0.01. Find Δy. (Round your answer to five decimal places.) f(x) = x/x^2 + 5
asked on May 4, 2013 
English
The magician entertained the children with his tricks.changed this to passive.
asked on October 20, 2019 
SCIENCE
I mix 300.0ml of the barium nitrate solution from 1c with 100ml of a 1.50M lithium phosphate solution. The reaction produces solid barium phosphate a. Write a balanced equation for the reaction. b. Which is my limiting reagent? c. How much barium phosphate
asked on April 26, 2016 
science
a ladder is at rest with its upper end against a wall and the lower end on the ground .Is the ladder more likely to slip,when a man stands on it at the bottom or at the top?gove reason.
asked on October 23, 2014 
discrete math
Q: Count the number of passwords with following constraints. Assuming digits = {0, 1, …..9}, letters = {a, b, ….. y, z} (a) 5 characters which are digits or letters. (b) 4 characters which are digits or letters, with at least 1 digit. (c) 4 characters
asked on May 1, 2017 
Physics
Light of wavelength 550 nm in vacuum passes through a piece of crown glass of refractive index of 1.52. Find the velocity and frequency of light in crown glass.
asked on March 9, 2012 
Class 12th Calculus
If y = e^x cosx, prove that dy/dx sqrt(2) e^x . cos(x+ pie/4)
asked on June 10, 2011 
calculus
Identify any intercepts, relative extrema, points of inflection, and asymptotes. y = 4x^2 − 24x + 34 Xintercept ? (x, y) (smaller xvalue) (x, y) (larger xvalue) relative minimum (x, y)
asked on October 10, 2015 
Grade 11th Physics
A bus starts from rest and accelerates uniformly for 20 seconds to a speed of 18 km/h. It then moves with a uniform velocity and it is finally brought to rest in 100 meteres with a constant retardation. If the total distance travelled is 0.5km. Find the
asked on July 9, 2010 
calculus
Q.NO.1: Show that the function z=ln(x^2 + y^2)+2tan^1(y/x) satisfies Laplace’s equation. (∂^2z/∂x^2)+(∂^2z/∂y^2)=0
asked on May 12, 2017 
Calculus
A pharmaceutical corporation has two locations that produce the same overthecounter medicine. If x1 and x2 are the numbers of units produced at location 1 and location 2, respectively, then the total revenue for the product is given by R = 700x1 + 700x2
asked on November 17, 2015 
discrete math
Q 8: Count the number of 01strings with following constraints. (a) The length is 8. Number of 1s is 2 more than number of 0s. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.
asked on May 1, 2017 
calculus
Find the slope of the graph of the function at the given point. (If an answer is undefined, enter UNDEFINED.) x^3 + y^3 = 14xy, (7, 7)
asked on March 22, 2013 
Class 12th Application of Derivatives
Find a point on the parabola y = (x4)^2, where the tangent is parallel to the chord joining (4,0) and (5,1). Solve this question using Lagrange's theorem. Answer is (9/2,1/4)
asked on July 6, 2011 
discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (a) for i from 1 to n for j from 1 to i  1 for k from 1 to j  1 print
asked on May 1, 2017 
discrete math
Q: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m1, for k = 0,….. n.
asked on May 1, 2017 
emt
what is the Integration of x.y.[(x^2 +y^2 +25)^3/2 ] dx.dy from (0
asked on November 28, 2016 
math
If a=26 and sun=27. then ant=?
asked on May 7, 2016 
calculus
Q.N0.2: Show that u(x,y)=ln(x^2 + y^2) and v(x,y)=2tan^1(y/x) satisfy CauchyRiemann equations (∂u/∂x)=(∂v/∂y) and (∂u/∂y)=(∂v/∂x)
asked on May 12, 2017 
discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.
asked on May 2, 2017 
Calculus
Find the first partial derivatives and evaluate each at the given point. Function w = 2x^2y − 6xyz + 10yz^2 Point (2, 5, −3) wx(2, 5, −3) = wy(2, 5, −3) = wz(2, 5, −3) =
asked on November 17, 2015 
Physics
Escape velocity from the surface of earth depends upon mass of the earth and radius of the earth. Find the realtion between these quantities dimensionely.
asked on April 5, 2009 
discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m1, for k = 0,….. n.
asked on May 2, 2017 
discrete math
Q: Count the number of passwords with following constraints. Assuming digits = {0, 1, …..9}, letters = {a, b, ….. y, z} (a) 5 characters which are digits or letters. (b) 4 characters which are digits or letters, with at least 1 digit. (c) 4 characters
asked on April 30, 2017 
calculus
find the parametric equation of the line that is tangent to the parabola y=x^2 at the point(2 , 4)
asked on April 24, 2017 
clculus
find the parametric equation of the line that is tangent to the parabola y=x^2 at the point(2 , 4)
asked on April 24, 2017 
12th Grade Calculus
how will you multiply y = ae^3x + be^2x with dy/dx = 3ae^3x  2be^2x
asked on January 22, 2012 
discrete math
Q 8: Count the number of 01strings with following constraints. (b) The length is 8. Number of 1s is 3 more than number of 0s. (c) The length is 9. Number of 1s is 3 more than number of 0s.
asked on May 2, 2017 
discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m1, for k = 0,….. n.
asked on May 2, 2017 
math 165 calculas
Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 − 3x^2 + 5x + 1/ x^2 − 5x + 3
asked on October 6, 2015 
Maths
I have a three digit number such that the sum of the cubes of each digit number containing the same digits. Find my number
asked on June 25, 2014 
calculus
Find dy/dx. 7xy^3 − x^2y = 6
asked on March 22, 2013 
business communication
Select a company of your choice in a sector that you would like to work in. Imagine that you have to make a brief presentation on this company to business school students. Develop:a) A general and specific statement of purpose.b) The key idea.c) Your
asked on October 1, 2012 
Calculus : Derivative
If tan^1(x^2y^2/x^2+y^2) = a, prove that dy/dx = x(1  tan a)/y(1 + tan a) Please solve!!!
asked on June 15, 2011 
Class 12th : Calculus
If y = sqrt(x1)+sqrt(x+1),prove that sqrt(x^21)dy/dx=1y/2
asked on June 9, 2011 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A⊂B, then prove that B'⊂A'
asked on June 29, 2010 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.
asked on June 29, 2010 
11th Grade Physics
I want two examples based upon law of conservation of charge i know the definition just want two examples!!!
asked on June 25, 2010 
Chemistry
I want a software that can make carbon bonds like CC. It can be made by paint also but a software is required to make tougher bonds. Tell me the website to download the carbon bonding software
asked on May 2, 2009 
Physics
What is the dimesnional formula of length, mass, volume, time, radius, force, frequency of evolution, velocity, gravity, tension
asked on April 5, 2009 
calculus
Q.NO.4: Find the arc length of the graph of r(t). r(t)=(t^2)i +(cost + t sint)j +(sint t cost)k , 0≤t≤π
asked on May 12, 2017 
discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'
asked on May 2, 2017 
discrete math
Q6:What if the bookshelf is circular, that means you cannot choose the first and last books simultaneously? Count the number of ways to choose 6 books out of 20 books on a circular bookshelf such that no two adjacent books are selected.
asked on May 1, 2017 
discrete math
Q 3: There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m1, for k = 0,….. n.
asked on May 1, 2017 
discrete math
There are n identical balls and m different bins. Let Bn,m be the total number of way to put n balls in m bins. (a) What are B1,1, B2,1, B1,2, B2,2, B3,2? (b) Express Bn,m in terms of Bk;m1, for k = 0,….. n.
asked on April 30, 2017 
math 165 calculas
Find the horizontal asymptote of the graph of the function. (If an answer does not exist, enter DNE.) f(x) = 5x^2 + 1/ 7x^3 − 2x^2 + 5
asked on October 6, 2015 
mathematics
A rectangular house with 60*50 feet dimension has a rectangular wall surrounding the garden around the house.the area of garden is same as area of house.so how far is wall from the house?
asked on June 30, 2014 
calculus
Find dy/dx. y^3 = 8x^3 + 4x
asked on March 22, 2013 
Calculus 12
Simple query. plz tell me in brief. How will u slove this 3 log 3 + log 2 + 2 log 4 Plz explain
asked on January 21, 2012 
Calculus : Derivative
If y = x sin(a+y), prove that dy/dx = sin^2(a+y)/sin(a+y)ycos(a+y) Please solve it
asked on June 15, 2011 
Class 12th Calculus
If y= (x1)log(x1)(x+1)log(x+1), prove that dy/dx = log(x1/1+x)
asked on June 10, 2011 
Quadratic Equations
Can anybody tell me step wise step how to solve this quadratic equation? x^33x^2+4=0 Please tell me step wise step as i haven't solved such type of equations before. Thank You
asked on April 14, 2011 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø
asked on June 29, 2010 
math
What percent is 250 of 1200
asked on June 16, 2017 
discrete math
Q 8: Count the number of 01strings with following constraints. (c) The length is 9. Number of 1s is 3 more than number of 0s.
asked on May 2, 2017 
discrete math
Q 7: What is the number of `Hello's printed by the pseudo code below? (for i from lo to hi exhaust i between lo and hi inclusive, and is a empty loop when lo is greater than hi) (b) for i from 1 to 10 for j from i to 10 for k from i to j print `Hello'
asked on May 2, 2017 
discrete math
Q: Consider a digital circuit that reads an nbit input string and writes a 1bit output. Two circuits are considered different if they have a different output for some input string, otherwise they are considered the same (i.e. two circuits are considered
asked on May 1, 2017 
calculus
y = x^2 − 9x + 29/x − 5 relative maximum (x, y) = relative minimum (x, y) =
asked on October 10, 2015 
CIVICS
DEFINE THESE TERMS (I)AP AS THEID (II)CLAUSE (III) PREAMBLE
asked on May 15, 2011 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AB=A then show that A∩B=Ø
asked on June 29, 2010 
Chemistry
Tell me a website from where i can get full information regarding IUPAC nomenclature of organic chemistry. It's rules, inforamtion everything.
asked on April 8, 2009 
discrete math
Q: Consider a digital circuit that reads an nbit input string and writes a 1bit output. Two circuits are considered different if they have a different output for some input string, otherwise they are considered the same (i.e. two circuits are considered
asked on April 30, 2017

Chemistry
Define. The semipermiable membrane the freezing point of pure benzene is 278.4k calculate freezing point of the solution when 2 gms of a solute having molecular weight 100 is added to 100gms of benzene.
posted on October 17, 2019 
Math
Total guest =455 Guest on each table =x. 1
posted on April 18, 2019 
MATH
621 kaise hoga
posted on August 20, 2018