Thursday

October 27, 2016
Total # Posts: 20

**help plzz asap**

dfs

*September 28, 2016*

**calculo**

Let f(x) = 4x5/4 + 10x3/2 + 9x. Find the following. (a) f '(4)

*September 9, 2016*

**precalculus**

z1=[cos pi/4 +sin pi/4] z2= [cos 2pi+sin 2pi] z1= sqrt 5 solve. how do you do this? substitute z1 and do what?

*March 17, 2015*

**Chemistry**

an unknown salt is either NaCN,NaC2H3O2, NaF, NaCl, or NaOCl. when 0.100 molar of the salt is dissolved in 1.00 L of solution, the ph of the solution is 8.07. what is the identity of the salt? where do I start? How do I solve it, cuz im not gettign right answer.

*March 17, 2015*

**precal**

thanks

*March 17, 2015*

**precal**

identify all solutions in the interval [0,2pi]: cos (2x) csc^2x=2cos(2x) I have no clue how to solve.

*March 17, 2015*

**Accounting 9**

52

*September 9, 2014*

**Philosophy**

i

*September 9, 2012*

**math**

A triangle has sides of lengths 9 cm, 40 cm, and 41 cm. Which statement is true about this triangle? Not a right triangle?

*February 28, 2011*

**PRECALCULAS**

sin ¥è = 1/2 ¥è=90 or pi/2 only positive on pi/2 ¥è=pi/2+2kpi

*February 13, 2011*

**chemistry 1A**

R(CO2H)2+2NaOH-->R(CO2Na)2+2H2O Mu(NaOH)=44,81*10^(-3)*0,0953=4,27*10^… mol Mu(acid)=4,27*10^(-3):2=0,002135 mol If R=aliphatic saturated rest and there are not other substituents in C-chain,then R=CxH2x and: 0,2178=0,002135(90+12x+2)=0,1964+0,025… x=(0,2178-0,...

*November 2, 2010*

**Chemistry**

ddv

*October 18, 2010*

**Chemistry**

deez nuts

*September 21, 2010*

**Physics**

sdgdga

*September 16, 2010*

**Physics**

(a) Assuming that only gravity is acting on it, how far does an electron have to be from a proton so that its acceleration is the same as that of a freely falling object at the earth's surface? (b) Suppose the earth were made only of protons but had the same size and mass ...

*July 29, 2010*

**fd**

if y=36 when x=9 find x when y=52

*June 17, 2008*

**Muscular Energy**

it's a part of your body that helps you move.

*February 18, 2007*

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