# Posts by janet

Total # Posts: 422

**Chemistry**

How much copper could be produced if 5.00g of iron was used with 16.00g of copper (II) sulfate pentahydrate?

*March 20, 2010*

**Physics(Please help)**

What characteristic of water would you be investigating when you place a small drop of water on wax paper and when you try to float a paper clip in water? I know that the paper clip does not float and that the drop of water rolls around on the paper.

*March 4, 2010*

**Physics**

What characteristic of water would you be investigating when you place a small drop of water on wax paper and when you try to float a paper clip in water? I know that the paper clip does not float and that the drop of water rolls around on the paper.

*March 4, 2010*

**Math**

1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.

*March 1, 2010*

**Pre-Cal**

1) use the half-angle formulas to determine the exact values of the sine, cosine, and tangent of the angle. 67 degrees and 30' Please explain!! I do not know how to start.

*March 1, 2010*

**US HISTORY**

How did the Reformation in Great Britain affect the colonization of the New World? Explain.

*March 1, 2010*

**Science(Urgent)**

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused on how to get the ...

*February 28, 2010*

**Science**

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused on how to get the ...

*February 28, 2010*

**Earth Science(Please help)**

1) How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake. I know that each unit of Richter magnitude equates to roughly a 32-fold energy increase and that the amplitude has a tenfold increase but I am still confused on how to get the ...

*February 28, 2010*

**Earth Science(Please help)**

How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?

*February 28, 2010*

**Earth Science**

How much more energy is released in a 5.0 magnitude earthquake than a 4.0 magnitude earthquake? I know that a tenfold increase in wave amplitude equals an increase of 1 on the scale so 1 to 2 = 10times so does that mean that 2 to 3 would be 10 more times?

*February 28, 2010*

**Earth Science**

Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?

*February 28, 2010*

**Earth Science(Please check)**

Around what tectonic plate are most of the worlds volcanoes located. The Pacific plate. Is this correct?

*February 28, 2010*

**10th grade chemistry**

I need help on solving: How many grams of water are obtained if 487.8 grams of carbon dioxide are formed?

*February 15, 2010*

**college**

-3(4x-7)=10x please help

*February 7, 2010*

**PHYSICS 131 #2**

v^2=u^2 +2as V=6.1 U=69 A=? S=750 6.1^2=69^2 + 2 (a) (750) 37.21=4761+1500 a 37.21-4761/1500=a a=-3.1m/s^2 ^(raised to the power of or exponential)

*February 4, 2010*

**Foundations of Business**

Describe what you consider the most effective behavior of entrepreneurs, managers, and employees.

*February 1, 2010*

**algebra**

Graph the solution of each linear inequality. y<2x-5? don't get it

*December 22, 2009*

**Mythology**

What is hell called in celtic mythology? It isn't Tir na n-Og. And Sra, don't patronize me with a Google search.

*December 6, 2009*

**Math- Still Don't Understand!**

I do not understand how to work this problem out. I have a series of other questions that are similar, and it would really help me out if someone could help me understand how to work this problem. At the first tri-city meeting, there are 8 people from town A, 7 people from ...

*December 5, 2009*

**Math**

There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible?

*December 5, 2009*

**math help**

At the first tri-city meeting, there are 8 people from town A, 7 people from town B, and 5 people from town C. If a council consisting of 5 people is randomly selected, find the probability that 3 are from town A and 2 are from town B.

*December 5, 2009*

**Mythology**

Thanks bob but I've already looked at that site and Tir na n-Og is their heaven, not their hell. That website seems bias. And Sra, I've told you before not to patronize me with a Google search. That is the first place anyone starts when researching. Of course I've ...

*December 4, 2009*

**Math**

A passenger car will go 429 miles on 16.5 gallons of gas in city driving.What is the rate in miles per gallon?

*December 4, 2009*

**Math**

A passenger car will go 429 miles on 16.5 gallons of gas in city driving.What is the rate in miles per gallon?

*December 4, 2009*

**math**

lisa studies 9 hrs. for a test and gets a score of 72. at this rate, how many hrs. would she have had to study to get a score of 92?

*December 4, 2009*

**Algebra**

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total cost of materials and...

*November 13, 2009*

**Algebra**

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total cost of materials and...

*November 13, 2009*

**Algebra**

Thank you for your help, I really appreciate it.

*November 13, 2009*

**Algebra**

A manufacturing company has determined that the cost of labor for producing x transmissions is: L(x) = 0.3x^2 + 400x + 550 dollars, while the cost of materials is M(x) = 0.1x^2 + 50x + 800 dollars. Need to write a polynomial T(x) that represents the total cost of materials and...

*November 13, 2009*

**science**

which of earth's spheres extends into all others? i think it would be the Biosphere because overlaps virtually the entire hydrosphere and portions of the atmosphere

*November 11, 2009*

**science**

i know that the topographic is made up of contour lines like in 3d

*November 11, 2009*

**science**

because airports and highways are flat and houses can be tilted

*November 11, 2009*

**science**

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features? someone help me with this question?

*November 11, 2009*

**science**

what are the curved lines on a map?

*November 11, 2009*

**science**

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features?

*November 11, 2009*

**science**

i am thinking that the answer would be biosphere because it overlaps the entire hydrosphere and portions of the atmosphere

*November 11, 2009*

**science**

Which of Earth's spheres extends into all others? explain how

*November 11, 2009*

**science**

on a large-scale topographic map, how are airports and major highways treated differently than houses and small features?

*November 11, 2009*

**science**

Which of Earth's spheres extends into all others? explain how

*November 11, 2009*

**science**

how have computers changed mapmaking in recent years? And What is the Global Positioning System?

*November 11, 2009*

**science**

explain what the grid of straight and curved lines is on a map

*November 11, 2009*

**math**

what is the unit digit of 7^49? I solved it and got the answer 07, but I'm not sure if it's correct.

*November 2, 2009*

**algebra**

would 5 trees be a solution to the inequalit inpart b

*October 30, 2009*

**Language Studies 3rd Grade**

Is "I" a common noun or proper noun?

*October 19, 2009*

**Ethics125**

I've been asked to write the same paper for Ethnic 125. I do not know where to begin. This paper has to be a reasearch paper. How do I start my approach to this paper?

*October 3, 2009*

**Grammar**

Parts of speech for movable, hopeful, and wasting in the following sentences. Is this car movable? We are hopeful that the mayor will join us. I am wasting my time listening to a commercial.

*September 21, 2009*

**english**

What is the part of speech for the word sincerity in this sentence. The sincerity of his answer convinced me.

*September 21, 2009*

**psychology**

when a child repeats a behavior or action simply to observe that action you would not infer that. the child finds the behavior self reinforcing. b. the stimulation of the action is satisfying. c.the stimulation provided by the action is associated with a basic drive. d. the ...

*September 3, 2009*

**Introduction to Finance: Harvesting the Money Tree**

You are an upper-level manager in a company. Which financial ratios would you consider most useful? Would these ratios be different than the ones you would consider useful as an investor? Why or why not?

*August 8, 2009*

**Art Integration**

How could you integrate a math and Kinesthetic Art lesson?

*July 2, 2009*

**Communications**

What are 5 specific learning team goals ,COMM/330 University of Phoenix

*June 29, 2009*

**Biology**

do your own research for your AIU assignment it due today !! LOL

*June 12, 2009*

**math**

Hi, What does it mean to find the 5% trimmed mean of a set of data? I understand what it means to find the 10%, butI don't understand how to calculate the mean if its trimmed 5%.

*June 8, 2009*

**math**

It's a geometric sequence. As the difference is x5 for each.

*June 6, 2009*

**CRT 205**

From the thirteenth to the sixteenth century, the Inca empire flourished in the Andes Mountains. It maintained an eleven-thousand-mile network of stone-paved roads.

*May 15, 2009*

**organic chemistry**

Write a mechanism to illustrate what will happen if the addition of bromine to trans-cinnamic acid is syn; what do you expect the melting point of the syn addition product to be?

*April 21, 2009*

**organic chemistry**

Write a mechanism to illustrate what will happen if the addition of bromine to trans-cinnamic acid is syn; what do you expect the melting point of the syn addition product to be?

*April 21, 2009*

**Gaussian Elimination/ Matrices**

Amanda, Bryce, and Corey enter a race in whic they have to run, swin, and cycle over a marked course. Their average speeds are given in the table below. Corey finishes first with a total time of 1h 45min. Amanda comes in second with a time of 2h 3min. Bryce finishes last with ...

*April 19, 2009*

**Math**

need to find the equations of the following, n=1 which is used to find the first answer if the series and so forth 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9 + 144/16 + . . . 5) 20/4 + 25/5 + 30/6 + 35/7 +40/8 + ... i still don't grasp how to get the answer

*March 29, 2009*

**Math**

need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9 + 144/16 + . . . 5) 20/4 + 25/5 + 30/6 + 35/7 +40/8 + ... i still ...

*March 29, 2009*

**Geometric series**

please help with finding the equations to these where n= 1; which means 1 is needed to find the first number in the series 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9 + 144/16 + . . . 5) 20/4 + 25/5...

*March 29, 2009*

**Please help--Geometric series**

i still need assistance with the rest i don't understand how yu get hose answers..

*March 29, 2009*

**Please help--Geometric series**

I need to find the equations of the following, using Ó (and the n=1 which is at the bottom of the Ó) (and infinity is at the top of the Ó) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4...

*March 29, 2009*

**Geomtric Series**

I need to find the equations of the following, using Σ (and the n=1 which is at the bottom of the Σ) (and infinity is at the top of the Σ) 1) 5/1 + 8/1 + 1/1 + 14/1 + . . . 2) 6/5 + 9/8 + 14/11 + 21/14 + . . . 3) -6/3 - 4/4 - 2/5 - 0 + . . . 4) 9/1 + 36/4 +27/9...

*March 29, 2009*

**Geometric Series**

but what I need is actually formulas that involve n..i cant describe it

*March 23, 2009*

**Geometric Series**

I need to know the equations of these were n = 1 1) 1/2 - 1/4 + 1/8 - 1/16 + . . . 2) 1 + 2 + (2^2)/2 + (2^3)/6 + (2^4)/24 + (2^5)/120 + . . . 3) 0 + 3 + 8 + 15 + 24 + . . .

*March 23, 2009*

**Series (Pre-Cal)**

a yellow sqaure of 1 is divided into 9 smaller sqaures, and the middle square i colored blue. Each of the smaller yellow sqaures, is in turn divided into 9 sqaures, and each middle sqaure is colored blue. If this process continues indefinitely, what is the total area colored ...

*March 21, 2009*

**Geometric Series**

how do you convert a series into that beta stuff

*March 18, 2009*

**Geomtric Series**

yeah that is what I was asking...thanx.!

*March 18, 2009*

**Geomtric Series**

so the perimeter is four and the series stay the same?

*March 18, 2009*

**Geomtric Series**

The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares

*March 18, 2009*

**math**

thank you its threesqrt2

*March 3, 2009*

**math**

what is the sqaure root of 18 simplified?

*March 3, 2009*

**math116**

If you have 100 pills You have 10 bottles Each bottle weighs 1 gram You have 1 counterfiet it weighs 1.1 gram You can only use a scale to weigh one time Which one is the counterfit? Hint Number the bottles...

*February 21, 2009*

**MATH**

Given a circle with an inscribed equilateral triangle with each side of the triangle having a measurement of 18cm. What is the probability of selecting a point at random inside the triangle, assuming that the point cannot lie outside the circular region? Leave your answer in ...

*January 25, 2009*

**finance**

solve problem in chapter 2 of Brealey, Myers, Marcus

*January 22, 2009*

**government**

My question concerns the 21st president Chester Arthur, I need to know any controversies that occur during his term.

*December 11, 2008*

**English**

My sister enjoys taking me to museum. Her and I go often

*November 19, 2008*

**Critical Thinking**

The great French historian Jules Michelet (1798-1874) sympathized with the French Middle Ages and with the Revolutionary epoch in France, yet he wrote his best work on the despotic French monarchy, which he despised...

*October 4, 2008*

**Chemistry, Buffers, pH**

Hi could someone please help me in the next 5 minutes with this question: Given this data: mass of unknown acid 1.4671g Volume of NaOH used in titration 18.47mL Concentration of the NaOH used 0.2403M pH of the original acid solution 2.16 pH of the final acid solution 3.49 Show...

*September 26, 2008*

**Calculus 2 - springs**

Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the spring. Thank you

*September 15, 2008*

**Calculus - Hooke's Law , Spring Constant**

Hi could someone please help me answer this question: It requires 0.05 joule of work to stretch a spring from a length of 8 cm to 9 cm and another 0.10 joule to stretch it from 9 cm to 10 cm. Determine the spring constant and find the natural length of the spring. Thank you

*September 15, 2008*

**algebra**

5x+2>3x+10

*August 25, 2008*

**preparing t- accounts and trail balance**

how do I do a t account entry for purchased a one year professional liability policy

*August 10, 2008*

**HCA210**

Based on the simulation, provide one challenge you think the case worker faced. Include at least one example of what they think case workers face when placing the elderly in long-term care facilities. Also support your opinion as to whether or not you see any alternatives to ...

*August 9, 2008*

**enviromental science**

This question and answer are being copied for other classes and used to answer question, plagiarism! So why do this?

*June 24, 2008*

**geography**

Where can I find a mpa of the rivres and lakes (with names and locations) of the Minnesota Territory, 1849-1858?

*June 15, 2008*

**Science and acrostic poems**

solar system cells intensity energy newton componds electricty

*May 27, 2008*

**accounting**

What the answer

*April 24, 2008*

**English**

I just got these two wrong on the test The repeated use of the "o" sound in "A host, of golden daffodils" is called A. consonance. B. assonance. C. alliteration. D. rhyme. my answer d A definition of formal poetry is verse that A. sticks to certain ...

*April 18, 2008*

**English**

I am need help with these questions I keep getting the answer wrong can you help me by explaining why The way Cowley uses the phrase "my own country" is an example of A. simile. B. consonance. C. repetition. D. personification. my answer is c The phrase "mid-May...

*April 18, 2008*

**English**

I failed my english test there was a couple of questions I had wrong and I need an explanation why If this be error and upon me proved, I never writ, nor no man ever loved. These lines are an example of a/an A. quatrain. B. octet. C. couplet. D. sestet. I choice b and I got it...

*April 18, 2008*

**english: critical thinking**

yes, this are the correct answers.. thank you!!!

*March 19, 2008*

**microeconomics**

Jason wants to hire Maria to tutor him in economics. Jason is willing to pay $30 for the first hour of tutoring, $25 for the second, $20 for the third, $15 for the fourth, and $10 for the fifth. Maria has an opportunity cost per hour of $6 for the first, $9 for the second, $12...

*February 29, 2008*

**Human services**

e Internet to find at least 3 examples of mission statements for human service organizations. Evaluate each mission statement based on the following:

*February 14, 2008*

**chemistry**

Choose the groups of molecules below in which all the molecules have a net dipole moment. a. SiHCl3, O2, H2O b. HF, H2ClCH2, H2O c. HF, CH3Cl, H2O d. CCl4, HCl, NH3 e. HF, H2O, N2

*January 24, 2008*

**math**

solve 2x lnx + x = 0

*January 22, 2008*

**chemistry**

How do atoms bond to form molecules?

*January 21, 2008*

**microeconomics**

Suppose a firm produces output using the technology Q=K1/3 L2/3 Find a. The long run cost function b. The short run cost function if capital is stuck at 10 units. c. The profit maximizing level of output as a function of the price of the good, wages, rental rate on capital, ...

*October 18, 2007*