Wednesday
April 16, 2014

Posts by Rikki


Total # Posts: 22

physics
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.

maths
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

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 firs...

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

Algebra
what is radical 72 expressed in simpilest radical form

Math
2.3 litres is equal to how much millilitre.

Math
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 o...

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

Math
Find the cost of 100g of rice at 95p per Kilogram.

Math
Find the total of 3.7, 1.7, 0.8

MATH
How many grams are there in 2 1/4 Kilograms?

MATH
What is the average of 6cm, 9cm, 7cm and 10cm?

MATH
Please may I have the cost of 500g, thank you.

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

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

math
a plank of wood is cut into 12 equal pieces what fraction of the plank is 7 pieces

bunissess
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...

Business
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.

mathematics
deduce the completed square form for the following 2x^2+16x-10

History
What exactly is "The Vietnam Syndrome" ? Thakns

Math
lim at x approaches negative infinity (sin^2x+cos^2x)

chemistry
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 equa...

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