August 21, 2014

Posts by Rikki

Total # Posts: 22

A stationary mass of 10 kg disintegrates explosively, with the evolution of 4.2*10^5 J, into three parts, two having equal masses of 3 kg. These two masses move at right angles to each other. Calculate the speed of the third part.
January 16, 2012

Solve the following differential equation: (1 + x)*(dy/dx) = y where y is a funtion of X solve by the following: A)series expansion B) elemantary method please show working
November 29, 2011

differential equations
Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two ...
November 16, 2011

mathematics integration
Perform a change of variable and integrate the following elliptical integral I = Square root [(1-x^2)*(2-x)] limits lower,-1 and upper +1 could you show working
November 2, 2011

what is radical 72 expressed in simpilest radical form
June 1, 2010

2.3 litres is equal to how much millilitre.
October 14, 2008

The homework is not mine...I am helping my 7 year old Niece to do her Math homework and just wanted to double check by getting a second opinion that the answer that we had both worked out is correct. I was not expecting anyone to do her homework...that would defeat the whole ...
October 14, 2008

Share £2.oo exactly amongst 8 children, how much would each of them get.
October 14, 2008

Find the cost of 100g of rice at 95p per Kilogram.
October 14, 2008

Find the total of 3.7, 1.7, 0.8
October 14, 2008

How many grams are there in 2 1/4 Kilograms?
October 4, 2008

What is the average of 6cm, 9cm, 7cm and 10cm?
October 4, 2008

Please may I have the cost of 500g, thank you.
October 4, 2008

The price of fish is £6.40 per kilogram, what is the cost of 1 kilogram (500g)?
October 4, 2008

A train leaves at 17:50 at arrives at midnight, how long does the journey takes in hours and minutes?
October 4, 2008

a plank of wood is cut into 12 equal pieces what fraction of the plank is 7 pieces
October 2, 2008

Wow people can be rude. I am in the same class - this student wants help on understanding each example not the answer. Our reading that is provided with us is not exactly what I would call clear explanations of each. It is just a lot of mumbo jumbo - Layman's terms is what...
September 16, 2008

wow... if this site isn;t a bunch of bs I don't know what is. "let me teach you on how to search the web" Yes... cause that might help with this question about BUSINESS - if you don;t know the answer or how to help just say you don;t know how to help.
August 7, 2008

deduce the completed square form for the following 2x^2+16x-10
June 6, 2008

What exactly is "The Vietnam Syndrome" ? Thakns
October 24, 2007

lim at x approaches negative infinity (sin^2x+cos^2x)
September 23, 2007

write a balanced chemical equation for the reaction of aluminium selenide with water (to include physical states of reactants and products)to include brief decription of the strategy used and the sequence of partially balanced equations needed to reach final fully balaced ...
January 30, 2007

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