Friday
May 6, 2016

# Posts by Newton

Total # Posts: 17

calculus.can you help me on these as well@sir collins
integrate sin^7xdx
April 19, 2016

calculus thank you very much@sircollins
thank you very much sir collins
April 19, 2016

calculus very hard help
integrate:cos^10xdx even with the previous hint a tutor here gave me i still don,t know it
April 19, 2016

calculus help
integrate cos^10xdx.. .plz show working i really wanna learn these thanks anyway
April 17, 2016

maths plz help!!
A hose ejects water at 80cl/s through a hole 2mm in diameter.the water implinge a wall and drop off without rebounding.what is the force on the wall? working plz thanks
April 14, 2016

maths help!
find the mass of the earth assuming the radius is 6400km
April 3, 2016

Chemistry
A mixture of powdered carbon and an oxide of lead was heated producing lead metal and carbon dioxide.when 13.70g of the lead oxide was reduced to lead by carbon,960cm^3 of carbon dioxide measured at r.t.p was formed. Calculate the empirical formular of the lead oxide???
May 10, 2015

Chemistry
A student was asked to prepare a sample of copper(ii)sulphate crystals(CUSO4.5H2O) given 5g of of copper (ii)oxide (CUO) as the starting material.if 10g of dry crystals of CUSO4.5H2O were obtained,calculate the percentage yield???
May 10, 2015

Trigonometry
First start by converting the angle in radians to degrees, hence will have Sin(90-x)=cos x =sin90cosx-cos90sinx, sin 90=1 and cos 90=0 =1(cos x)- 0(sin x) =cos x (proved)
May 10, 2015

physics
the volume v of a sphere of radius r is given by v=4/3pie r^3 what is the fractional change in v for a fractional change in r
September 25, 2014

math place value
how many tens if there were no hundred dollars for eg:200=what?
March 12, 2013

math
how many tens if there were no hundred dollars?
March 12, 2013

programming
Declare a string variable name myName
February 13, 2013

Java progamming 1
I want the program to ask for and get the price of a book from a user. The program will then multiply the price by 7% sales tax and display both the sales tax and final price of the book (price + sales tax) on the screen. using Netbeans
February 11, 2013

physics
what is an e.m.f
October 23, 2011

Physics
2. On the inside of an airplane the air pressure is about 85% of the atmospheric pressure at sea-level while outside, when it is cruising, the pressure is about 25% of the sealevel atmospheric pressure. If a window is 0.46 m in diameter, what is the net outward force on the ...
February 11, 2011

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