# Posts by Abhishek

Total # Posts: 84

Math
2+2=5 how it is possible?

MATH
Add 4 to 5 times a number is fourteen.

MATH
4 ADDED TO 5 TIMES A NUMBER EQALS 2 SUBTRACTED FROM 7 TIMES THE NUMBER.FIND THE NUMBER

math
if one root of the quadratic equation is 3+2root2 then what will be the other root?

Algebra
Given that x-y=5 x=5+y(say-----equation 1) Now clearly 1/x is less than 1/y because denominator of y is greater than x therefore 1/y-1/(y+5)=1/10 on solving we get y=5 or -10 when y=5 then x=10 or when y=-10 then x=-5

maths
area of a square field is 100m2 . Find the cist of ploughing the, fieks at the, rate of rs 30

Biology
What are electronic wastes?

Math
let the capacity of the container be x amount of milk = 4x/5 as per the question 4x/5 + 10 = 9x/10 x/10 = 10 x = 100 so the capacity of the container is 100 L

science
calculate the volume oqupaied by 20gram H2 at NTP

Chemistry
What is the osmotic pressure of blood plasma at 37°c

Steve has Rs. 12000/-, he invested some amount at 10% and rest at 12% simple interest. His income from these investment is Rs.1280/-. How much he invest at 10%?

Math
Robert spent 3/8 of his money on food and 3/10 on his house rent what fraction of income is left with him if the money left is 3570 what is his monthly income

Math
The difference between two acute angles of a right triangle is ðœ‹/9. Show the measures of these angles are 55° and 35°

math
The base of a right angled triangle measure 48 cm and its hypotenuse measure 50 cm . find the area of the triangle

Math
If a girl bought 2.2 kg apples and 3.6 kg mangoes @ Rs. 11.50 and Rs.67.50 respectively.If she gave a thousand rupee not to the fruit seller then how much money she will get back?

Science
What is conductor

PHYSICS
P.E=mgh 150×9.8×10 14700 What will be g?

Math
ratios of opposite angles of a cyclic quadrilateral is 5:4 find the angle

math
A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 19 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal place.) ft/s (b) At what ...

math
270,450,825

math
30

Trigonometry prove need help
4cosacosbsinc

geometry
In a triangle, if 3angleD=4angleS=6angleR, Calculate the measures of angle D, angle S and angle R.

maths
2.38x3.901/4.83

science
A car is travelling at 20m/s along a road. A child runs out into the road 50m ahead and the car driver steps on the brakes pedal. What must the car’s deceleration if the car is to stop just before it reaches the child?

Physics
An automobile spring extends 0.2 m for 5000 N load.The ratio of potential energy stored in this spring when it has been compressed by 0.2 m to the potential energy stored in 10 microF capacitor at a potential difference of 10000 v Will be 1-1/4 2-1 3-1/2 4-2

chemistry
28g of N2 and 6g of H2 were kept at 400 degree centigrade,the equilibrium mixture contained 27.54g of NH3. Find the value of Kc in mole^-2L^2 .

Math
The Gilberts are designing a rectangular patio for their backyard. The patio has an area of 432 square feet. The width of the patio is 3/4 its length . What is the length of the patio ?

maths
1152

ias
IAS Question paper 2013. How will you write 26th August 2014 using only five letters (alphabets) without using number. ??

Physics
hamare samajh me angreji nhi aati

maths
Find the vector eqn of the plane through the points (2,1,-1) and (-1,3,4) and perpendicular to the plane x-2y+4z=10

science
sonar and humanear

Math
A man completed a trip of 136 km in 8 hrs. Some part of the trip was covered at 15 km/hr. What is the part of the trip covered at 18 km/hr?

Math
The length of a rectangle is twice it's width. If it's perimeter is 54cm, find its length. Explain!

Maths
A man is 42 years old and his son is 12 years old. In how many years will the age of the son be half the age of the man at that time? Explain!

Maths
Aa

Maths
Separate 178 into two parts such that the first part is 8 less than twice the second part. Explain!

Maths
A number decreased by 30 is the same as 14 decreased by 3 times the number. Find the number. Explain!

Chemistry
What is the difference between solubility and solubility curve?

Science
Who stated the three laws of motion?

Math
Bob has three sacks of apples and three more apples in his pocket. Each sack contains the same number of apples. All together, Bob has 33 apples. How many apples are in each sack?

Geography
Where is plateau of Arabia located?

math
A store has 2 times as many hooded sweatshirts as crewneck sweatshirts. The total number of sweatshirts is 36. How many hooded sweatshirts does the store have?

science
it gives pbi2 hdj

science
what happens when lead nitrate react with potassium hydroxide

maths
The sum of odd squares can be expressed as 1^2+3^2+5^2+…+(2n-1)^2=An^3+Bn^2+Cn+D. The value of A can be expressed as a/b, where a and b are positive co-prime integers. What is the value of a+b?

science
The most convenient way to express vectors in the two dimensional plane is in the familiar (x,y) Cartesian coordinates. However, one can express vectors in other coordinate systems as well. For example, another useful coordinate system for the plane is polar coordinates (r,&#...

math
Bella keeps a supply of red, blue, and black pens in a drawer. The drawer has 13 red pens, 18 blue pens, and 8 black pens. If Bella wants a red pen, what is the minimum number of pens she has to pull out from the drawer to make sure she gets a red pen?

Physics
Calculate the work required to be done to stop a car of 1500kg moving with a velocity of 60km/hr?

plzzzzzzz help me out.
a beam of light consisting of two wavelengths 800nm and 600 nm is used to obtain the interference pattern in youngs double slit expt on a screen placed 1.4m away.if two slits are separated by 0.28mm,calculate the least distance from the central bright maximum where the bright ...

HELP>>PLZ
the vertical component of earth magnetic field at a place is root3 times the horizontal component.What is the value of angle of dip at this place?

Physics
At what temp would an intrensic semiconductor behave like a perfect insulator?Why?

Physics
oye thanku sooo much..nyc:)

Physics
X and Y are two capacitors(parallel plate) connected in series to a 12V supply.X has air between the plates and its capacitance is 10microfarads.Y contains a dielectric medium of K=5.calculate capacitance of Y and the potential difference between the plates of Y.

Physics
in a wire AB of uniform cross section in which a potential gradient of 0.1 V/m exist.If the balancing point is foung to be 180 cm from A then what is the Emf of the cell?

Physics
what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me

Physics
Two metallic wires of the same material have the same length but cross-sectinal area is in the ratio of 1:2.they are connected in 1)-series 2)-parallel. Compare the drift velocities of the electrons in the two wires in both the cases. Plzz help

MMSS
the volume of 500g sealed packet is 350 cubic centimeters. Will the packet float or sink in the water if the density of water is 1 gm per cubic meter ? What will be the mass of water displaced by this packet

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

Math
Plz cud sombdy show me long division method of x^4/(x-1)(x^2+1)???? Plz note (x-1)(x^2+1) is in the denominator.

physics
The resultant will be maximun when cosine of the angle b/w them is is 0..ie 1 then R=(5^2+5^2+2*5*5cos(0))^1/2

chemistry
A hello hello hello hello hhello hello hello hello hello

physics
A boy is riding a bicycle in a rainy day. The force exerted by the boy and the force due to which rain falls downward.

physics
A boy is riding a bicycle in a rainy day. The force exerted by the boy and the force due to which rain falls downward.

physics
A boy is riding a bicycle in a rainy day. The force exerted by the boy and the force due to which rain falls downward.

Calculus
If y=Root of(logx+root of (logx+root of logx.........infinty)...prove that dy/dx=1/x(2y-1)

MATHS
The only thing i have as a doubt is how com e^(lnx^3)=x^3 ?!?!?!?:O

MATHS
If e^(x+3logx) then prove that dy/dx=x^2(x+3)e^x....can anyone help me out...plz note 3+logx is in adition with x and is the power of 'e' its not e^x+3logx

Math
If y=e^x+3logx then prove that dy/dx=x^2(x+3)e^x.

physics
100000/75 cm

science (physics)
five examples of potential energy with diagram

math
If the perimeter of a parallelogram is 140 m, the distance between a pair of opposite sides is 7 meters and its area is 210 sq m, find the length of two adjacent sides of the parallelogram.

trig
=Sin(90-71)/cos71 =cos71/cos71 =1

algebra
a two digit number is four times the sum of its digits and twice the product of the digit. find the number using elimination method

History
What were the various changes that had taken place in Europe at the beginning of the middle ages ? What were the main characteristics of the middle ages in Europe?

maths
a steamer goes downstream in a river and covers the distance between upstream in 6 hours if the speed of the stream is 3 km/hr. firnd the speed of the steamer in still water.

Maths
denominator of a fraction is 1 more than its numerator. the fraction reduces to one fourth when numerator is reduced by 2 and denominator is increased by 3. find the number

physics
Two forces acting on a body in opposite directions,have the resultant velocities of 10newton. if they act at right angles to each other, the resultant is 50 newton.find the two forces.

mechnical engineering
what is rankine cycle?

maths
how many times does minute hand rotate in one day? There are 60 minutes in an hour and 24 hours per day. With this information, can you answer your question? I hope this helps. Thanks for asking.

Chemistry Electron Configuration Questions
Valance Electrons?