Saturday
April 30, 2016

# Posts by Macey

Total # Posts: 17

Math
Jake has proven that a function, f(x), is a geometric sequence. How did he prove that? - He showed that an explicit formula can be created - He showed that a recursive formula could be created - He showed that f(n)/f(n-1) was a constant ratio** - He showed that f(n)-f(n-1) was...
November 17, 2015

history
I wanted to focus more on the freedom of religion
November 13, 2015

history
Hello. I have a history project and I really need help with thinking of a catchy phrase. It has to do with the first amendment and its also a public service announcement. If anyone has any ideas please help me out. Thank you very much.
November 13, 2015

Math
hmmmm dunno
September 11, 2012

Statistics
Suppose you and a friend each take different random samples of data pairs (x,y) from the same population. Assume the samples are the same size. Based on your samples, you compute r = 0.83. Based on her sample your friend computes 0.79. Is your friend’s value for r wrong? ...
July 21, 2012

Physics
Object 1 (mass=5.5 kg) traveling in the +x direction at a speed of 12.40m/s undergoes an inelastic collision with Object 2 (mass=4.80kg) which is at rest. Object two flies off at a speed of 7.80m/s and an angle θ2=32.4 °. It is possible that Object 1 travels back and ...
February 27, 2012

Chemistry (empirical formula)
what is the empirical formula of a compound that is 62.0% C, 10.4% H, and 27.5% O by mass?
April 5, 2010

Chemistry (Aqueous Solutions)
This one stumped me alot... Aqueous solutions of a compound did not form precipitates with Cl-, Br-, I-, SO4 2-, CO3 2-, PO4 3-, OH-, or S 2-. This highly water-soluble compound produced the foul-smelling gas H2S when the solution was acidified. This compund is __?__. a. Pb(...
April 5, 2010

Chem Pre-Lab HELP!
THANK YOU!!!!
February 23, 2010

Chem Pre-Lab HELP!
Write the complete and net ionic equations for the following reactions. Be sure to indicate the states of the reaction products. 1) AgNO3(aq) + NaCl(aq) ----> 2) CaCl2(aq) + Na2SO4(aq) ----> 3) Pb(ClO4)2(aq) + NaOH(ag) ----> 4) (NH4)2SO4(aq) + BaCl2(aq) ---->
February 23, 2010

Chem-Lab-HELP!!
Heating 1.124g of an unknown NaHCO3-NaCl mixture resulted ina mass loss of 0.270g. 1) Calculate the mass of NaHCO3 present in the original mixture. 2) Calculate the mass percent of NaHCO3 in the uknown mixture
February 17, 2010

Chemistry HELP ME!!!!
A sloution of calcium nitrate, C(NO3), reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(ag). When 45.00 mL of 4.8724 x 10 -1M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 10 -1M NH4F solution, 1.524g ...
February 10, 2010

Chemistry 120
Yes it may be simple to you but it is not easy for me. Im not even sure where to begin! Please provide more in depth help!
February 10, 2010

Chemistry 120
A sloution of calcium nitrate, C(NO3), reacts with a solution of ammonium fluoride, NH4F, to form solid calcium fluoride, CaF2, and ammonium nitrate, NH4NO3(ag). When 45.00 mL of 4.8724 x 10 -1M Ca(NO3)2 solution was added to 60.00 mL of 9.9981 x 10 -1M NH4F solution, 1.524g ...
February 10, 2010

Defin.
clorophorm- not sure if I speeled it right
October 4, 2007

grammar
I think it's "ways"- my friends think it's "eggs"
October 4, 2007

grammar
in the sentence- There are many ways to cook eggs- what is the subject?
October 4, 2007

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