Saturday

February 13, 2016
Total # Posts: 943

**chemistry HELP PLEASE**

write the formulas of the complex ion formed between a) the ligand, Cl-, and the platinum(II) ion with a coordination number of four. b) the ligand, NH3, and the nickel(II( ion with a coordination number of six. c)the ligand, ethylenediamine, and the chromium (III) ion with a ...
*February 17, 2011*

**early childhood literacy**

not arbitrary symbols
*February 16, 2011*

**Algebra**

5/(6 x)-2/3 = 4-2/x
*February 15, 2011*

**math**

The length of a rectangle is 4 times its width. Express the perimeter, P, of the rectangle as a function of the width, w.
*February 15, 2011*

**math**

You flip a coin and toss a 1-6 number cube what is the probabilty of getting a 5 and tails
*February 13, 2011*

**computer science**

In the TCP/IP model, the best path through the network is determined at the ______________ layer. In the OSI model, the same function is carried out at the ______________ layer. A network access network B network access transport C internet network D internet transport E ...
*February 13, 2011*

**computers**

Can please help me, i'm stuck on thios question:- Q) Select the two true statements from the following list. A)In the OSI model, PDUs at layer 2 are called frames and PDUs at layer 3 are called packets. B)In an IPv4 packet header the Time-to-Live field is 8 bits. This ...
*February 10, 2011*

**Math**

50MB file is compressed using a compression ratio of 10. What is the compressed file size?
*February 10, 2011*

**math**

exmple of porportion and ratios in your daily lives.
*February 9, 2011*

**computer science**

can please help me to fill this: In the TCP/IP model, the best path through the network is determined at the ______________ layer. In the OSI model, the same function is carried out at the ______________ layer.
*February 9, 2011*

**algebra**

35+ 6 x < 20 -2
*February 8, 2011*

**Algebra**

35+ 6x <29-2
*February 8, 2011*

**Math**

Can please someone check my answer: a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/...
*February 8, 2011*

**4th grade math**

96
*February 7, 2011*

**Computer science**

can you please explain, i didn't get it. Thanks
*February 7, 2011*

**Computer Science**

Can please someone check my answer: a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/...
*February 7, 2011*

**Algebra 2**

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still water and the ...
*February 6, 2011*

**lab**

i need 200mL of an 8 molar solution of dilute acid, and my stock cconcentrate is 18 molar, how much of the concentrate, and how much water will i need?
*January 31, 2011*

**chemistry help**

the rate constant (k) for a reaction was measured as a function of temperature. A plot of In k versus 1/T (in K ) is linear and has a slope of -1.01 x 10^4 K. Calculate the activation energy for the reaction. i dont know how to solve it???
*January 31, 2011*

**algebra**

If a pizza is 15.00 and the cost is 55.00 labor is 4.00 what is the equation to determine revenue?
*January 26, 2011*

**social studies**

1) how did the fact that fur trading companieswere econimic imperialists affect the development of westerm Canada? 2) how did the arrival of settlers in the West affect the fur trade? 3) describe the role played by Native peoples in the fur trade. 4) describe the role played ...
*January 19, 2011*

**Computer Science**

a)385 data loss incidents took place b)110 million people were affected by personal data loss incidents c)3% of all data loss incidents were caused by hard copy theft/loss d)20% of all data loss incidents were caused by portable media theft/loss e)15% of data loss incidents ...
*January 16, 2011*

**computer science**

What are the differences between VPN and private network?
*January 16, 2011*

**geometry**

this answer is incorrect .
*January 13, 2011*

**Science/language arts**

I need a poem that I need about lithosphere
*January 11, 2011*

**Geometry**

In a triangle labeled ABC with the following coordinates A(-3,2) B (0,4) C (2,-1) What is the image of each vertex? Give answer as an ordered pair.
*January 11, 2011*

**Geometry**

In a triangle labeled ABC with the following coordinates A(-3,2) B (0,4) C (2,-1) What is the image of each vertex? Give answer as an ordered pair.
*January 10, 2011*

**Algebra 2**

One of the the zeros of the functions F(x)= x^4+2x^3-13x^2-38x-24 is x=-3, find the other zeros of the function.
*January 9, 2011*

**geometry**

this answer is incorrect .
*January 6, 2011*

**precal**

are there solutions to x^3+27i=0 is so what are they?
*December 30, 2010*

**precal help**

Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)
*December 30, 2010*

**PRECAL**

answers please btw steps arent necessary
*December 29, 2010*

**PRECAL**

Find a Parabola with Vertex (3,1) Focus (4,1) Find the vertex of 4y^2+4y-16x+13=0 Find the center of an ellipse 9x^2+4y^2-36x-24y-36=0 Find an ellipse with minor axis of 8 and vertices at (-9,3),(7,3)
*December 29, 2010*

**chemistry**

determine the mass of phosphoric acid that can be produced by the reaction of one thousand tons of phosphate rock and sulfuric acid
*December 20, 2010*

**math 116**

Simplify. -2[38-(-56-50)]=
*December 16, 2010*

**physics**

are you sure? because this is a acceleration in two dimensions problems. the answer is supposed to be in the form of ( , )m/s.
*December 15, 2010*

**physics**

help please. thankyou.
*December 15, 2010*

**physics**

An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80×106 m/s2. Find its velocity 2.45 s after it starts to move.
*December 15, 2010*

**physics**

that is indded correct! can you help me on the other question i had too? its right above this post. it is either the electron or cannon question. thanks so much again!
*December 15, 2010*

**physics**

please can someone help?
*December 15, 2010*

**physics**

A long jumper travels 8.95 meters during a jump. He moves at 10.8 m/s when starts his leap. At what angle from the horizontal must he have been moving when he started his jump? You may need the double-angle formula: 2 sin u cos u = sin (2u)
*December 15, 2010*

**physics**

can someone pls help me??
*December 15, 2010*

**physics**

An electron starts at rest. Gravity accelerates the electron in the negative y direction at 9.80 m/s2 while an electric field accelerates it in the positive x direction at 3.80×106 m/s2. Find its velocity 2.45 s after it starts to move.
*December 15, 2010*

**Music**

Did will smith write his own music?
*December 15, 2010*

**College Chemistry-Please**

THANKS!!!
*December 4, 2010*

**College Chemistry-Please**

*Only need input not doing it for me. PLEASE QUESTION: Some hydrocarbon fuels have sulfur present and contribute to air pollution. When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. If there is .50 grams of sulfur and 1....
*December 4, 2010*

**Chemistry 111**

Thanks! I knew the formula but wasn't quite sure if i convert mL to L in the formula. I know that I must covert C to K and Torr to Atm for the equation.
*December 3, 2010*

**english**

did dwight d eisenhower achieved the american dream?
*November 22, 2010*

**math**

200 pages 20 divided by .10
*November 22, 2010*

**research and evaluation**

Give examples of both discrete and continuous data? What makes them different? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using the normal distribution? Why or why not?
*November 18, 2010*

**research and evaluation class**

describe joint probability for independent events and give an example of how you would calculate it. How is this different than conditional probability? The following payoff table gives the return on three alternative business decisions based on three possible scenarios –...
*November 18, 2010*

**geometry**

find AB if BD is a median of triangle ABC
*November 16, 2010*

**algebra**

What is x/3=7/6
*November 15, 2010*

**business**

describe why it is important to consider each domain in the study of adult development
*November 15, 2010*

**Science**

When learning about types of energy what are the types of energy for: A. a lit match, yo-yo, bicycle, trampoline, apple, lightbulb, cooker, moving bullet, nuclear bob, hairdryer, solar panel,campfire, car, human, tv, mobile phone, thanks
*November 4, 2010*

**9th grade**

What is the total supply for US - silk, coffee, or bananas or all of them?
*November 2, 2010*

**chemical principal**

a chemist weidghed 1.25g of sodum hydroxide ,placed it in a volumetric flask and then added enough deionized water to bring the total volume to 250mL. How many moles of NaOH were added to the volumetric flask
*November 2, 2010*

**chem--please help me!!**

when a 25.0 mL sample of an unknown acid was titrated with a 0.100 M NaOH solution. Determine Ka for the unknown acid. Volume NaOH = 12.5 mL; pH=3.80 please help me explain in details!!!
*October 30, 2010*

**spanish**

presidencial día esté Thank you for the help.
*October 26, 2010*

**spanish**

Hoy en dia pavos SON perdonados en caso de que el pavo no este disponible para el perdón presipdencial. Is SON correct in this sentence and if it is, why?
*October 26, 2010*

**chem**

35.00 grams of propane C3H8 are burned. How many grams of CO2 ARE PRODUCED
*October 26, 2010*

**algebra**

I get confused when solving for some of the fractions in my problem. how would you solve for 1+(-2/(sqroot 5))? I just need a refresher on the order of operations for it. Thanks!
*October 25, 2010*

**5th grade**

Poop plus poop equally poop because poop is poop or its equalls Fart
*October 25, 2010*

**college**

describe why it is important to consider each domain in the study of Adult Development?
*October 23, 2010*

**ECONOMICS HELP PLEASE **

i need to find any sources (articles) dealing with factory orders, employment levels, foreign companies, and factory closures... because I need to write a page of each one of them and what it means also...please help me on it
*October 22, 2010*

**math**

If f(x)=(3x+6)^–1, find f'(x).
*October 21, 2010*

**math**

If f(x)=(3x+6)–1, find f'(x).
*October 21, 2010*

**Chemistry **

27.0 mL of 1.00 M HClO4 are mixed with 27.0 mL of 1.00 M LiOH in a coffee cup calorimeter. The calorimeter constant is 28.1 J/C. Both were initially at 21.31 C. Calculate delta H(rxn) in kJ/mol for the reaction.
*October 20, 2010*

**statistics**

What would be the range of the scores 71, 37, 48 from the same set with 95% cofidence level?
*October 17, 2010*

**chemistry**

.819 mol CO2= 30604 g CO2 X= 3.604 g CO2/100.09 g/molCaCO3= .036 mol CaCO3 Y=3.604 g CO2/84.32 g/mol MgCO3= .043 mol MgCO3 I'm stuck. I don't think I did it right.
*October 17, 2010*

**chemistry**

Thank you. But could you explain how you got that equation for solving for x and y? I need to prove my answer.
*October 17, 2010*

**chemistry**

A mixture of CaCO3 and MgCO3 weighing 7.85 g was reacted with excess HCL. The reactions are CaCO3+2HCL=CaCl2+H2O+CO2 and MgCO3+2HCl=MgCl2+H2O+CO2. The sample reacted completely to produce 1.94 L CO2 at 25 degrees C and 785 torr. Calculate the percentage of CaCO3 and MgCO3 in ...
*October 17, 2010*

**Chemistry**

Given one of the following solution: 50.00mL of 0.10M of K2CrO4 answer the following. 1. How do you prepare the solution? 2. What volume (mL) of your solution contains 5.00X10(-4) moles of the solute? 3. What volume of your solution contains 1.00g of the solute? 4. What is the...
*October 17, 2010*

**Psy 340**

What are some examples of theories concerning sexual orientation, hormones, and the brain? Which one do you feel is most accurate? Why?
*October 14, 2010*

**statistics**

Sample size is 24, Mean rate of 6.50%, Standard Deviation is 1.20. Calculate 90% of confidence interval
*October 14, 2010*

**engish (beowulf)**

how does the battle between Beowulf and the dragon show the inequalities of the Anglo saxon class system?
*October 11, 2010*

**Business**

How did U.S manufacturers become vulnerable to offshore outsourcing?
*October 10, 2010*

**business**

•In a managers’ meeting, discuss the impact of the well-publicized ethical lapses in recent years by several large companies.
*October 4, 2010*

**algebra**

2v+18=16-4(v+7)
*October 3, 2010*

**physics**

The pendulum swings past the pole 14 times in 21 seconds. The weight of the bob is 10g. Calculate the period?
*September 29, 2010*

**Algebra**

Write a polynomial for the area between two concentric circles if the radius of the outer circle is two less than three times the radium of the inner circle.
*September 28, 2010*

**Algebra**

I have 18 bills that equal $100.00 (5-$10 bills, 9-$5 bills, 3-$1 bills, 1-$2 bill). How can this be expressed in an algebric equation?
*September 28, 2010*

**physics**

A tennis player aims to serve the ball horizontally when their racquet is 2.5 m above the ground. The distance from the player to the net is 15.0 m and the net is 0.9 m high (a) What is the minimum speed with which the ball must leave the racquet if it is to just clear the net...
*September 27, 2010*

**adult education**

do i use is / are invited? You and a friend or 2 is invited to my Garage Sale.
*September 26, 2010*

**algebra**

Find the indicated outputs for f(x)=4x^2 -4x f(0) f(-1) f(2)
*September 13, 2010*

**Algebra II**

its supposed to say sketch the graph of the x and y and then the -2¡Ýt¡Ý5 should be -2 < (or equal to) t < (or equal to) 5
*September 12, 2010*

**Algebra II**

I sketched the graph for this but I don't know how to find B and C: x=t-2 Sketch the graph of: for -2¡Üt¡Ü5 Y=t^2-4t-3 B. State the domain of x and the range of y. c. Write y as a function of x.
*September 12, 2010*

**Algebra II**

Find the quadratic equation x^2+px+q=0 if the roots a and b are the dimensions of a rectangle whose diagonal is 8 and area is 26
*September 12, 2010*

**Algebra II**

Given f(x)=x^3-7x^2+6x+14, what is the a. sum of its zeros? b. product of its zeros? c. sum of the squares of its zeros?
*September 12, 2010*

**Algebra II**

The ¡Ý is suposed to be a > or equal to and the upside down ! isn't supposed to be there.
*September 12, 2010*

**Algebra II**

Solve for x. Give your answer using interval notation. a. |2x-3|¡Ý 12 b. 9-2|x+1|<-3
*September 12, 2010*

**macro**

an isolated earthquake at the begining of the year desroyed part of the nation capital stock, and the nations govermnet significantly reduced its purchases of goods and services
*September 8, 2010*

**algebra**

How many different license plates are possible using the letters A and B,but there can never be 2 A's next to each other.
*August 30, 2010*

**Science**

How Does Earth's atmosphere make conditions on Earth suitable for living things?
*August 25, 2010*

**STASTICS**

If the median home price in your area has decreased in your area in the last 2 years, how does this differ from the mean price in your area? Please explain why and include examples.
*August 24, 2010*

**Math**

What would be the correct answer to this question? How do you find out the unknown factor in a multiplication problem?
*August 23, 2010*

**Maths**

Please help!!! The mass of a particular substance is known to grow exponentially at a rate of 1.5% per day. Its initial mass was 230 grams and, after t days, it weighed 325 grams. The equation modelling this growth is 230×1.015 t = 325. ...
*August 14, 2010*

**statistics**

Formulate a hypothesis statement and perform the five-step hypothesis testing procedure
*August 8, 2010*

**MTH233/statistics UOP**

You work for the public relations department of the Social Security Administration. In an effort to design better advertising campaigns, your department decides to conduct a survey to find out the opinions people in the United States have about the Social Security system. One ...
*August 7, 2010*

**MTH233/statistics UOP**

. Hypothesis Testing o Please complete the following 5-step hypothesis testing procedure in your Learning Teams: A simple random sample of forty 20-oz bottles of Coke® from a normal distribution is obtained and each bottle is measured for number of ounces of Coke® in ...
*August 1, 2010*