^_^

i thought it was 4 - chloro heptane

with the - (CH2)2 - that means CH2CH2 right?

Question: calculate the mass of 1.2 mole of AlCl3

Mass = 1.2 x 133.5 = 160.2

Now, the significant answer would be simplified to 2 figures. However, my answer has four significant figures, and I'm wondering what happens next. :/

I have 13ppm of a substance,

How do I calculate it to be in terms of mg/L

so i get that it would be:

13g/1,000,000L

but can you show me the steps to getting it to

13mg/L

For

f: [-2,5) --> R, f(x) = x^2 + 5

State the range...

i keep getting:

[9, 30)

but the multiple choice answers are:

a. R

b [5, infin.)

c. [0,30)

d. [9, 30]

e. [5, 30]

Would anyone be able to help me with any of these questions? Please show your working out, because I have the answers, but I don't know how to get them :S haha

Thanks a bunch

1. For y = 8 + 2x - x², the maximum value of y is:

2. The graph of y = 2x² - kx + 3 touches the x-axis. The possible values of k are:

3. If x² - tx + t = 0, where t>0, has one solution for x, then x is equal to:

4. The height, h m, of a stone t seconds after it is thrown vertically upwards is given by

h=41t - 5.5t²

a) Find the max. height reached by the stone

b) What is the height of the stone when t=3 ?

c) Find the time it takes for the stone to return to the ground

d) Find the times at which he height of the stone is 60m

Do what the star constellations in the zodiac represent help determine what kind of traits an individual may have?

for example; Leo's star constellation represents a lion, so it is said that Leo's have traits of lion (natural leader, dominant), does this work with other constellations too?

something not necessarily to dance to, but something easy to listen to and sing along to..

eg.

as long as you love me - backstreet boys

theres gotta be more to life - stacie orrico

sometimes - britney spears

a girl runs one lap at 2.5km/h and then runs another eight laps at 5.0. she takes 30 minutes in total, what is the distance of the lap?

I have an answer - the right one, but im not sure whether my method was correct.

please answer with your method so i can see the steps haha

2x

---- - 0.75 = x - 0.15

.15

x = ???

i got

x=0.4864864865

or

9

----

185

something thats in the middle of heavy metal and really light music.

something like

green day, good charlotte, boys like girls, panic at the disco

songs like that??

thanks a bunch

Can you guys give me a play list with a maximum of your 5 best songs.

I don't like getting a list of 298574874 songs that are good, but not goooooooooodd, if that makes sense hahhaa :S

I would love songs that make you want to get up and dance. Like ones that have a good beat and stuff. Please feel free to answer this question :)

can somebody tell me the song which has the lyrics

"dance with the enemy woah ooah oah"

it sort of sounds like lady gaga, but i dont think it is :S:S

For instance, at a 400 km altitude into space, there is hardly any gravity, but there still is a bit of it....

Do they measure the altitude's starting point from the sea level from Earth, or ????

Can anybody think of a prefix to add in front of complaining to make it an opposite?

Can anybody think of a word that starts with the letter "T" that means:

On two occasions.

Does anybody know of some catchy R&B or techno Japanese songs?

What are some fancy old-fashioned first names for a woman?

ANY GOOD R&B SONGS?!?!?

ahaha