Wednesday

April 23, 2014

April 23, 2014

Total # Posts: 16

**calculus help**

find y' and y'' for the equation below. Show work please!!! y= (x^3)/((x+1)^2)

**chem**

so, is it equal 6.9*10^22 ?

**chem**

A lead atom has a mass of 3.4⋅10^-22 g. How many lead atoms are in a cube of lead that has a volume of 2.07 cm^3 if the density of lead is 11.3 g/cm^3?

**Physics**

The bond between protons and neutrons inside the atomic nucleus is formed by the strong interaction. In classical terms, we can think of it as protons and neutrons exchanging a "meson," a kind of fundamental particle between them. Let's estimate the range of the ...

**Khudu secondary **

Car A of mass 1 000 kg,stationary at a traffic light,is hit from behind by car B of mass 1 200 kg,traveling at 18 m.s-1. Immediately after the collision car A moves forward at 12 m.s-1. 1. Assume that linear momentum is conserved during this collision. Calculate the speed of ...

**Math**

How can you use multiplication facts for 1 and 2 to find 3x7 ?

**Math**

the total decrease in population during fir5st year= 2950,000*2.5/100=73750 therefore, total decrease in population for 1 st year=2950,000-73750=2876250 total population in second year= 2876250 total decrease in population during the second year= 2876250*2.5/100=71906.25 there...

**math**

23/25*100=92%

**4th grade math**

5/6*288=240

**math**

9 1/5 makes 9*5+1/5=46/5 46/5*30=276

**Math PLEASE HELP ME!!**

14% of 120 14/100*120=16.8

**Math PLEASE HELP ME!!**

monthly income of mike=1789.46 percent rise=9.8 9.8*1789.46/100=175

**math**

log162

**Algebra**

This might sound a bit dumb but am really stuck :L i need help to answer a question and i need someone to explain to me how to do it Multiply out the brackets and collect the terms. (2y-3)(ysqaured + 4y -1)

**science**

a clear colourless liquid used to test for a gas which your body gets rid of.

**Language Arts**

What is another name for a red Indian woman beginning with the letter S?

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