Questions Asked in 2005
Most Popular Questions of 2005

Statistics
1) A null Hypothesis assumes that a process is producing no more than a maximum allowable rate of defective items. The Type II error is to conclude that the process? 2) If 95% confidence limits for the mean Mu turn out to be (6.5,8.5)
asked by Frank 
peer review
what are some advantages for both the reviewer and writer of peer reviews The author of a work that is reviewed by his/her peers gains prestige and legitimacy by having knowledgable people comment and review his work. The peers also can correct any errors
asked by shawn 
Chemistry Suspension Examples...
I need 10 examples of household suspensions for science class tomorrow. I got 10 solutions, 10 colloids, and 10 solvents...but can't figure out 10 suspensions! Help! http://www.elmhurst.edu/~chm/vchembook/106Amixture.html Suspensions have much larger
asked by Nat 
math
I am a little lost on my homework can someone help me with these problems please! With a GM MasterCard, 5% of the amount charged is credited toward a rebate on the purchase of a new car. Express the R as a function of the amount charged A Write a formula
asked by Angel 
physical science
An oceanic depthsounding vessel surveys the ocean bottom with ultrasonic waves that travel 1530 m/s in seawater. How deep is the water directly below the vessel if the time delay of the echo to the ocean floor and back is 6 s? (sound speed)* (echo time) =
asked by Jarrad Michael 
Physical Science
What do we call kinds of animals that disappear abruptly from fossil record, yet are still alive today? "Misplaced" fossils younger fossils found below older fossils are called? Question 1: http://www.angelfire.com/mi/dinosaurs/livingfossils.html question
asked by Kendal Beverly 
physical science
The diameter of the sun makes an angle of .53 degrees from earth. How many minutes does it take for the sun to move one solar diameter in an overhead sky? ( Remember that it takes 24 hours or 1440 minutes for the sun to move through 360 degrees). How does
asked by Jarrad Michael 
unscrambling word
Can you help me unscramble these words please! radmordey conshorier trinabac mecal minglem bobing lukarak its in spanish srecmoro, and tsmnoamo help please england antelope is the answer tyler! lafrpty=flytrap lafrpty=flytrap please help me to unscramble
asked by emma 
Math
A retired couple needs $12,000 per year in income to supplement their Social Security. They have $150,000 to invest to obtain this income. They have decided on two investment options: AA bonds yielding 10% per annum and a bank CD yielding 5%. (a) How much
asked by Angel 
Science
What is the length of an aluminum rod at 65 C if its length at 15 C is 1.2 meters? I will be happy to critique your thinking. New length= oldlength(1+alpha*(6515)) where alpha is the coefficent of linear expansion of aluminum 1.201386 meters
asked by Janice 
urgent
How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? A 314 J B 6,573 J C 1,314,718 J D 4,187,000 J You asked this question already. See my other posted answer.
asked by alf 
attributes of rich people
what are some attributes that most selfmade rich people share? by rich i mean a networth of $500 million or more. for example: innovation, desire, etc. One group of the very rich have either inherited or married a rich spouse. On the other hand, those who
asked by bobbyd 
Phys (Are my answers correct?)
1. Vector A=71 grams @138 degrees. What is Ax? (x is a subscript) 2. Vector A=71 grams @ 138 degress. What is Ay? (y is a subscript). Answers: 1. 52.8 (I am not sure if it is the absolute value and I should write it as positive. 2. 47.5 Those answers are
asked by Cheyenne 
p.e.
what are the objectives of physical education?and what are its importance to us?
asked by frenor mider 
Weird question.........H.W due in tomrrow...quick
Sarah Jane has a set of photographs (fewer than a thousand) which she's going to put in a photograph album. If she puts 2 photographs on each page, she'll have 1 photograph left over. If she puts 3 photographs on each page, she'll have 2 photographs left
asked by Mike 
bobpursley, drwls. ms. sue Writeacher
When a second post is made to a question, the most recent is now at the bottom. Do any of you prefer the way it was, or do you like this better? I prefer to have the answers shown in the order they were posted. The second answer may clarify or add
asked by Lance 
math
If a and b are positive integers and their product is 3 times their sum, what is the value of 1/a + 1/b? Given that ab = 3(a + b). From this, ab/3 = a + b. Dividing through by ab yields 1/a + 1/b = 1/3.
asked by Christine 
Writing Skills
Which of the following groups of words is a sentence fragment? A. when we stopped by the garden. B. Stop by the garden. C. We stopped; she didn't. D. stopping by the garden, we saw that the flowers were in bloom A sentence fragment doesn't express a
asked by Karin 
Chemistry  Stoichiometry
16.2g of magnesium reacts exactly with 25.3g of fluorine to produce magnesium fluoride, the only product. How many grams of magnesium fluoride could be produced from the reaction of 10.5g of magnesium with excess fluorine. This is simple if you use
asked by Kevin 
US history
Hi, I need help with these three questions: 1. What were some of the different issues that contributed to the cause of the U.S. Civil War? 2. Why would the Civil War have contributed to the industrial development of the United States? 3. How was life
asked by Milka 
electricity
the function of a capacitor in an electric circuit is to? A)allow current flow between its plates. B)measure the amount of current in the circuit. C)increase circuit power. D) store electric charges. A and D are both correct, if you include in "current
asked by angela 
questions
1.) Why are there usually two solutions in quadratic equations? 2.) Under what situation would one or more solutions of a rational equation be unacceptable? If putting the found "solution" cannot be put back into the original equation without violating
asked by leleirvin 
radio message
The nearest star beyond the sun is Alpha Centauri, 4.2 x 1016 meters away. If we received a radio message from the star today, how long ago would it have been sent? The distance that light travels in a vacuum in one year, approximately 9.46 trillion (9.46
asked by Jarrad Schomaker 
Augmented Matrix
Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. DO ALL WORK BY HAND. x + 2y + 4z = 6 y + z = 1 x + 3y + 5z =10 If one subtracts the first equation from the last
asked by GetYourLeash 
Algebra Word Problem (1)
Chris and Josh have received walkietalkies for Christmas. If they leave from the same point at the same time, Chris walking north at 2.5 mph and Josh walking east at 3 mph, how long will they be able to tlak to each other if the range of the walkie
asked by GetYourLeash 
electricity
What bias conditions must be present for the normal operation of a transistor amplifier? A)the emitter base junction must be reverse biased, and the collector base junction must be forward biased. B)the emitter base junction must be forward biased, and the
asked by angela 
english
Hoe did John mercer langston show his support of Jogn Brown's Harperss Ferry fiasco? I've been looking for the answer for over a week...please help By organizing the Underground Railroad and challenging the Fugitive Slave Act. He also helped organize the
asked by Danie 
chemistrynet ionic equations
Whats the net ionic equation for the decomposition of hydrogen peroxide (H202)? I know that it decomposes into water and O2 but is H202>H20+O2 the net ionic or does the H2 and O2 split up to be H2 + O2 > H20+O2 and if so is the net ionic then just
asked by Jon 
electricity
if a bar of copper is brought near a magnet, the copper bar will be? A)attracted by the magnet. B)unaffected by the magnet. C)repelled by the magnet. D)made into an induced magnet. B)unaffected by the magnet. Actually there is a very slight repulsn due to
asked by angela 
business studies
The most important way to improve the work group is for everyone, especially the bosses, to listen to each other. This can be done in regular meetings and by written communications. Suggestions for improvements should be implemented when possible. People
asked by Ms. Sue 
DIFFICULT MATH
Okay I've been working on this for 10 hours straight and cannot get it. This is a math problem from my teacher who just loves to add these frustrating math questions at the end of the worksheet. It says: If you add the age of a man to the age of his wife
asked by Vincent 
Electricity
if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the
asked by angela 
Music
How do you find movable do? i need to solfege songs in different keys and i need to know how! Add sharps and flats to make it closest to another key scale with dynamic constrast
asked by David 
Algebra
Find the LCD for the given rational expressions, and convert each rational expression into an equivalent rational expression with the LCD as the denominator. 3 5 ,  84a 63b 4b 6 ,  75a 105ab Can someone here help me I do not understand
asked by Angel007 
science
If the absolute pressure of gas is 550.280 kPa, it's gage pressure is what? Subtract atmospheric pressure from that to get gage pressure. Atmospheric pressure varies with altitude and weather, but the average atmospheric pressure, at sea level, is 101.325
asked by Naomi 
Electricity
when an electron is displaced in a semiconductor, the hole that's left behind is? A)attracted to the negative terminal of the voltage source. B)incapable of carrying a charge. C)attracted to the anode of the voltage source. D)considered an impurity in the
asked by angela 
math check
Posted by TchrWill on Thursday, July 14, 2005 at 5:44pm. 2.)The sum of four consecutive odd integers is 336. Set up an equation AND solve for all of the integers. Two ways to approach this. 336/4 = 84 making the 4 consecutive odd numbers 81, 83, 85
asked by angel 
electricity
The grid in a highvacuum triode is usually kept negatively charged with respect to the cathode so that the electrons may be? A)accelerated toward the anode. B)accelerated toward the cathode. C)attracted to the anode instead of the grid. D)attracted to the
asked by angela 
waves
A skipper on a boat notices wave crests passing his anchor chain every 5 s. He estimates the distance between wavecrests to be 15 m. He also correctly estimates the speed of the waves. What is the speed? Speed = (wavelength) x (frequency) = (15 m)[1/(5 s)]
asked by Jarrad Michael 
science
What is carbon cycling? http://www.elmhurst.edu/~chm/vchembook/306carbon.html A thing made out of carbon. It is in a shape like a circle.
asked by Josh 
Math
Can somebody help me out here. I want to know why I am good with math problems but I don't get word problems until it is made out of a equation. The reason is that you have learned math as procedures and facts...math as a form of thinking, or analysis,
asked by Miss Strawberry 
Microeconomics
This is due Monday. I am not sure I am doing it correctly. Can someone help me out? Question: Assume that Jim is a rational customer who consumes only two goods, apples(A) and nuts(N). Assume also, that his marginal rate of substitution (MRS) of nuts for
asked by Trisha 
chemistry
Consider this balanced equation 3H2+CO > CH4+H2O. how many moles of CH4 can be obtained by reached 2.0mol of H2 with 2.0molCO according to this equation? > You need three times as many moles of H2, as CO. Since there are equal moles of H2 and CO
asked by Faix 
electricity
to use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your? A) thumb in the direction of the magnetic flux. B)thumb in the direction of the electromagnetic force.
asked by angela 
math
How many ways can you make one dollar using only nickels, quarters, dimes, and half dollars? I don't know if this helps but first see how many of each can you use to make a dollar say for instance 10 dimes equal a dollar. Also if you can make a chart and
asked by dabf 
formal writing
Academic papers NEED to be formal so that your professors will take your ideas seriously. You need to be very organized and deliberate in presenting your ideas, and you need to follow all the "rules" of standard English grammar and usage. Here are two
asked by Writeacher 
How far of the Taurus form Earth?
How far of the Taurus form Earth? Answer in light year... Help me please.... The brightest star in the constellation of Taurus is Aldebaran (also known as Alpha Tau). An orangered giant which is the thirteenth brightest star in the heavens, it was one of
asked by chuchy 
Help!! With 2 math questions!!
There are 36 inches in one yard. How many yards and inches are there in 3785 inches? I need the yards, and inches! The next question is....Find the number of quarts in 73,458 cubic inches of water. There are 231 cubic inches in 1 gallon. Help~*Nikki
asked by Nichoel 
facial hair
hi i know this isnt a homework question but i don't know where else to turn, and ive gotten help here before anyway the facial hair on the right side of my face grows a little faster than on my left side. is this normal? Yes, it is normal, and common.
asked by frank 
physical science
gimme a side of what physical science is. I know there's no shortcuts but it means alot of ev'rything I gotta know. Sho' me. I have little understanding of what you wrote. When one tries to communicate in nonstandard English, the results are
asked by Henry 
math/algerbra
What is the equation for finding the midpoint? The midpoint of a line whose end points are (x1, y1) and (x2, y2) is ( (x1 + x2)/2, (y1 + y2)/2 ) hOw dO yOu find the x and y intercept if the equation is nOt in slOpe intercept fOrm? 4+5=7+8=2 When I doing
asked by Heather 
Calculus
The profit (in millions of dollars) from the sale of x million units of Blue Glue is given by p= .7x25.5. The cost is given by c= .9x +25.5 (a) Find the revenue equation. (b) What is the revenue from selling 10 million units? (c)What is the breakeven
asked by GetYourLeash 
math
there are 12 men on a basketball team, and in a game 5 of them play at any one time. if the game is 1 hr long and if each man plays exactly the same amount of time how many minutes does each man play? a) 10 b) 12 c) 24 d) 25 e) 30 b) 12 NO. Its d) 25. With
asked by Christine 
Computer
How much was the first computer? Cost of the first computer? You have to be more specific. The first digital computer? The first electric analog computer? The first "personal" computer (PET)? The first mechanical analog computer? The earliest computers
asked by fgsaf 
Writing Skills
A clause from Sentence (i) has been turned into a(n)________in sentence(ii). (i) Since she knew what the lecture was about, she didn't attend the meeting. (ii) Knowing what the lecture was about, she didn't attend the meeting. A. compound predicate B.
asked by Karin 
Fluid Mechanics
A 6 kg. piece of metal displaces 1 liter of water when submerged. What is its density? The volume of the water dispaced was given, so... Density metal= massmetal/volumemetal The volume of water displaced is the same as the volume of the metal.
asked by Jarrad Schomaker 
research project thesis
So it's been a long time since I've done a research paper. I wanted to see if someone could help me put my topic into a thesis statement. I have a bad way with wording things. IThe topic is to choose someone I believe to be a great leader in history and
asked by sarah 
math
a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how much of each animal did he buy a farmer bought chickens, goats and sheep. He bought 100 animals and spent $100. how much of each animal did he buy I assume he bought all
asked by Jonathan 
*Chemistry
Hydrogen reacts w/ sodium to produce solid sodium hydride, NaH. A reaction mixture contains 6.75 g Na and 3.03 g H2. A. Which reactant is limiting? B. What is the theoretical yield of NaH from the above reaction mixture? C. What is the percent yield if 4 g
asked by Laura 
Chemistry
Gold is alloyed with other metals to increase its hardness in making jewelry. Consider a piece of gold jewelry that weighs 9.85 g and has a colume of 0.675 cm cubed. The jewelry contains only gold and silver, which have densities of 19.3 g/cm cubed and
asked by william 
Chemistry
Please help with this! Draw Lewis structures of all of the important resonance states for the following molecules or ions. Be sure to indicate all formal charges and all unshared electron pairs. H3CCO+ C2H4Br+ C7H7+ (This is a ring with one H on each C)
asked by Jawad 
Business Law
Monk and Jenkins leased a building they owned to Tuneup Masters for 5 years. The lease contained a provision to extend the lease an additional 5 years by sending a certified or registered letter at least 6 months prior to the expiration of the lease.
asked by Jermaine Busby 
chem
which one of the following statements about sulfuric acid is correct? A. sulfuric acid is a known muriatic acid B. sulfuric acid is a strong oxidizing agent C. sulfuric acid has little effect on metals D. sulfuric acid is dangerous to living organisms B
asked by alf 
THE STRANGER BY ALBERT CAMUS
WHAT SPURS MEURSAULT'S REVELATION ABOUT THE GENTLE INDIFFERENCVE OF THE WORLD? This sounds like the question you are supposed to answer  perhaps write an essay about  after reading the entire book. Have you read it? "What spurs ... "  those are words
asked by MA 
MORE MATH
What is the factoring by grouping? When factoring a trinomial, why is it necessary to write the trinomials in four terms? I will be happy to critique your thinking on this. I do not understand to even answer it? How do we determine the common factors in an
asked by jenn 
Forgot my book, need science help!!
Please help me I have a whole section to do over the weekend and I forgot my book! Please help!! You'll need to post a question in order for a science teacher to know what kind of help you need. Biology? Chemistry? What? And what is/are the question(s)?
asked by Linz 
please help with this question need to know by 8/4
How much heat energy is required to raise the temp of 5 kilograms of coal from 20 degree celsius to 220 degrees celsius? 314 j 6,573 j 4,187,000 j 1,314,718 j You need the specific heat of coal to answer that question, and that depends somewhat upon the
asked by alf 
chemistry
When 1.24g of an organic compound with the formula CxHyOz is burned in excess oxygen, 1.76g of carbon dioxide and 1.08g of water vapor are obtained. What is the empirical formula of the compound? Determine the moles of CO2 in 1.76grams, that will give you
asked by kevin 
Physics egg
Could you hardboil and egg on the moon? Options: *Yes, because water boils spontaneously on the moon. *No, because water boils at such a high temperature that it would cause the egg to disintegrate before it became hardboiled. *Yes, because the
asked by Julie 
Chemistry
Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for
asked by Paul 
MUSIC ASAP
Hi I'm a music man that sings and plays trumpets and 'bout to write and compose music which I'm getting started. I'm also a practical conductor also. Need help on how to prepare myself and how to write cues, bridges, parts, etc. for orchestra, jazz band,
asked by Henry C. 
electricity
including a full wave rectifier in an AC circuit will yield a  current. A)intermittent direct. B)intermittent alternating. C)continuous direct. D)continuous alternating. Full wave rectifier will reverse the negative waves, making the output voltage
asked by angela 
physics
The consumption of natural gas by a company satisfies the empirical equation V=1.50t+0.008t^2, where V is the volume in millions of cubic feet and t the time in months. Express this equation in units of cubic feet and seconds. Put the proper units on the
asked by kim 
English  Parts of Speech
In the sentence "He is projected to win," what part of speech is "to win"? I'm having trouble deciding between noun, adjective, or adverb... Thank you! he is going to win adverd 6th grade. I don't know how to do this can you help me
asked by Ben 
heat
how much heat energy is required to raise the temperature of 5 kilograms of coal from 20 degrees celsius to 220 degrees celsius? You will need the specific heat capacity for coal...you can look that up in a table in your text..
asked by vanice 
Math
What is tbe next row of the following table? 0 2 2 2 0 0 0 0 0 0 2 4 6 4 2 0 0 0 0 2 6 12 14 12 6 2 0 0 2 8 20 32 38 32 20 8 2 2 2 2 4 6 4 2 2 6 12 14 12 6 2 2 8 20 32 38 32 20 8 (2) Notice in this arrangement any number is the sum of the number above it
asked by Beth 
inverse trig functions
evaluate the following expressions: tan(sec^1(5/3)) tan(sec^1(25/7)) cot(csc^1(5/3)) i know the answers.. i jus don't know how to solve them =( PLEASE help me I assume your sec^1 notation denot4es the arcsecant function, etc. sec^1 (5/3) = cos^1
asked by abby 
brain teaser help
The new science teacher claims he can place a beaker in the middle of the science lab and crawl into it. How? Does anyone get this or hav an idea? haha I think it was a metaphor or some joke or something :P, just to get you insterested. Because you did say
asked by Sherry 
Metric System
I have two queations that have to do with the metric system: 1 What connections can you identify between the metric units for length and volume? 2 Why is it difficult to convert miles to yrads or feet? Thanks in advance for your help! 1 What connections
asked by Olivia 
human anatomy and physiology
3. Critical to life is the function of the cell membrane and its ability to move materials across the cell membrane. Define each of the following in detail using diagrams to aid the understanding of the process. a) diffusion b) osmosis c) facilitated
asked by Kristen 
math
When simplifying a rational fraction, why do you need to factor the numerator and the denominator? Include two examples! to get like terms Can you explain a little more? When you factor then you can cancel like terms Example: 12/3 (3)(4)  = 4/1 =4 3
asked by jenn 
Higher Maths
Show that these three points , P(8,3), Q(3,4),R(6,7), Form a right angled triangle and name the right angle? There are two ways of doing this: 1) determine the slopes for all lines, and the pair that have a right angle will have a negative inverse
asked by R0SS 
Electricity
if an electrically uncharged body is contacted by an electrically charged body,the uncharged body will? A)develop the opposite charge as the charged body. B)remain na neutrally charged body. C)develop the same charge as the charged body. D)neutralize the
asked by angela 
U.S History
In the pledge of allegiance what does and to the republic mean? it refers to the United States of America A republic is: 1 a (1) : a government having a chief of state who is not a monarch and who in modern times is usually a president (2) : a political
asked by Khandase 
science
1.The energy associated with the absorption of a photn of wavelength 4.26 micrometers is ______________? 2.The bond energy associated with the bond between the Nitrogen atom and Bromine atom is______________________? 1. See other post on plancks equation.
asked by Tahira 
heat
if the absolute pressure of a gas is 550.280 kPa, its gage pressure is ? A.101.325kPa b.277.280kPa c.448.955kPa d.651.605kPa Gauge pressure  atmosphericpressure=absolute pressure where atmospheric pressure varies, but standard atmospheric pressure is
asked by Andre 
Discrete mathematics
I need help solving this problem, I have followed the sequence forward and backwards but can't seem to find the solution. I believe it's the pigeon hole theorem. Here's the problem; Let A be any set of twenty integers chosen from the arithmetic progression
asked by Lolita 
music
can you give me words that correspond to the count of a halfnote and words that correspond to the count of a quarter note? half note (two beats) "one and, two and" quarter note (one beat) "one, two, three, four" Quarter Note: Sit, Pat, Lit Half Note:
asked by nan 
Chemistry  Stoichiometry
Elements X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. Which are possible formulas for the two compunds First Compound Second Compound
asked by Kevin 
Physical Science/light
An object 5 millimeters high is located 15 millimeters in front of a plane mirro. How far from the mirror is the image located? The focal length f of a plane mirror is infinity and 1/f = 0. The optical equation becomes 1/Do + I/Di = 1/f = 0 Do is the
asked by Angie 
SCIENCE ASAP
Hey just wanna to check this out that I'm pretty studying on Physics and Biology. Process Information is mos definitely I'm succeeding aight and it ain't that hard n'mean? I still all the stuff I gotta need to study. Send me a few ?'s on Process
asked by Henry C. 
math
504165+205318+5 Simply, just change the double negatives () to addition signs, and follow the order of operations.
asked by inters 
physio
Which one(s) of the essential chemical elements (H, C, O, N) does blood contain? All of them not just one of them. All amino acids contain carbon, hydrogen, oxygen and nitrogen. Blood contains several dozen proteins alone
asked by Jawad 
Geometry
Eight points A, B, C, D, E, F, G, and H are distributed in a plane. Exactly five of the points are on line L sub1, exactly three are on line L sub2, and exaactly three are on line L sub3. Are the three lines concurrent? Justify answer. There are eight
asked by Lolita Sams 
question on a book assignment
hey everyone...i have to do this assignment for class and these are some really tough questions on the book Peace Like A River by Leif Enger 1)Family loyalty often prevails over "the law" Agree or disagree (and i have to use quotes from the book that will
asked by Ashley 
Science
A sliver bar 0.125 meter long is subjected to a temperature change from 200C to 100C.What will the length of the bar after the temperature change? See the aluminum question. I will be happy to critique your work and thinking. A silver bar 0.125 meter long
asked by Janice 
helllllllllllllllppppppppppppp
need help math I have a big square of 9little squares in it on the first row going down I got 1 4 6 that makes 11 ok I have to make 11 using those number on the other squares and I can not double the same number in every way it has to come out 11 straght
asked by sally 
thanks everyone for your help
greatly appreciated...
asked by alf 
Motion
Can sumone explain wot linear motion is? Wot's the opposite of linear motion? THX Linear motion is motion is a constant direction, i.e., along a straight line. The speed may change but the direction may not. Motion that is not linear is called curvilinear.
asked by Mike 
prealgebra
Which is heavier, The Thrust SCC that is 54 ft long and weighs 7 tons or the Spirit of America that is 47 ft long and weighs 4 tons?? The numbers need to be put into an inequality equation! Unless you have not adequately stated your question, no equation
asked by Jaime