Questions Asked on
December 3, 2008

help plzzz
ALGEBRA PIZZAZZ: IN MUSIC, WHAT DOES "ALLEGRO" MEAN?
asked by jessica 
chemistry
how many grams of glucose are required to produce 50mL of 0.1 m solution?
asked by kelsie 
Science, Chemistry
I have been told that to prepare 1L of 70% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml), I should use the following equation to find out the volume of conc. acid needed (Vml). V x 1.84 x 0.96={(1000V)+ 1.84V}0.7 i.e. V= 594ml of conc
asked by Tricia 
physics PLEASE HELP
2. A .12 kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the change in the magnitude of the momentum of the ball? 4. Lonnie pitches a baseball of mass .2 kg. The ball arrives at home
asked by kim 
12th Calculus
water drains fromteh conical tank shown in the figure at the rate of 5 ft^3/min. a. what is the relation between the variables h and r? b. how fast is the water level dropping when h =6ft?
asked by may 
Chemistry pls help
I have a chemistry question Please advise how do I prepare 1L of 75% H2SO4 from concentrated H2SO4 (98% of density 1.84g/ml)? Do you have an equation which i can use? Someone gave me the following equation but I do not understand it. Vx1.84x0.98={(1000V)+
asked by tricia 
Chemistry
When sulfuric acid is added to magnesium nitrate, is the resulting product soluble or insoluble in water? Does a precipitate form? I think that the product is insoluble, and no precipitate forms. Is this right? The part I'm most unsure about is whether or
asked by Anonymous 
3rd Grade
i need help making an acronym for ASTC i need it to be funny... i cant think of anything! help!
asked by Hanahila 
Animal Farm by George Orwell
We're reading Animal Farm by George Orwell, and I have a worksheet for ch. 8 to go along with it. There are two questions I don't understand, however  can someone help me? Thanks! :) 2. Squealer's Sunday morning revelation of the increased production
asked by Emily 
Accounting
Calculate the future value of the following: o $5,000 compounded annually at 6% for 5 years o $5,000 compounded semiannually at 6% for 5 years o $5,000 compounded quarterly at 6% for 5 years o $5,000 compounded annually at 6% for 6 years • Answer the
asked by Kim 
calculus
You are planning to close off a corner of the first quadrant with a line segment 20 units long running from (a,0) to (0,b). Show that the area of the triangle enclosed by the segment is largest when a=b. Can anyone please give me some ideas to do
asked by Toby 
Chemistry
If I added sodium carbonate to magnesium nitrate, would it be insoluble & a precipitate forms? If I added sodium carbonate to calcium nitrate, would it be insoluble & precipitate forms? Adding sodium carbonate to strontium nitrate: insoluble, precipitate
asked by Anonymous 
chemistry. Chl my answers please!
(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into
asked by Tiffany 
physics
A(n) 840kg dragster accelerates on a race track from rest to 85 km/h in 0.90 seconds. (a) What is the change in momentum of the dragster? (b) What is the average force exerted on the dragster? (c) What exerts that force?
asked by Mara 
12th Calculus
the volume of a cube is increasing at the rate of 1200 cm^3/min at the instant it edges are 20cm long. at what rate are the edges changing at the instant?
asked by may 
6th grade science
What is true about fossil fuels? B. Three fourths of Earth's known oil reserves have already been used. C. the rate at which fossil fuels are used are decreasing. both of them can be true.
asked by Jonas302 
11th grade:AP Biology
This is concerning Ecology. Question: You turn on a light and observe cockroaches scurrying to dark hiding places. What have you observed? A. taxis B. learned behavior C. migration D. visual communication E. operant conditioning I have already crossed out
asked by Matt 
spanish
Question: Para cuanto tiempo vas a estudiar para la Prueba de espanol? Answer: Yo estudio para la Prueba de espanol depues escuala IS MY ANSWER OKAY Question: Que vas a comprar para tu mama/tu hermano,a/tus amigos para Navidad, Hanukkah Answer: Yo compro
asked by sam 
math
What is the unit rate for... 343.8 mi. on 9 gallons (round to the nearest tenth if necessary)
asked by Gaby 
chemhelp
Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a
asked by Anne 
geometry
how do u find the missing angle of a right triangle where the the sides are 3,4,5 and its angle inside is a 90 degree angle
asked by annoymos 
History
Why is the Hudson river so important to America history?
asked by Quan Diago 
Calculus
limit as x> 0 (1+sinx)^(cscx) How do I show that this is indeterminate? Can I say that 1^(1/0) = 1^infinity?
asked by Shaniquaa 
business
Letter to the editor: “Once again the Park Commission is considering closing North Park Drive for the sake of a few joggers and bicyclists. These socalled fitness enthusiasts would evidently have us give up to them for their own private use every last
asked by categorizing fallacies 
BUS 210
Describe a business scenario, either real or fictional, that depicts each of the following forms of business organization: Jointstock company, Limited liability company, Partnership, and Sole proprietorship.
asked by Stephanie 
College Algebra
A rectangular dog pen is to be made to enclose an area of 144 sq. ft. The pen is to be divided into 2 equal sections by a section of the fence. Assuming a total of 400 sq. feet of fence, find the dimensions of the pen that will require the least amonut of
asked by Jenny 
math
A 5 pound can of coffee costs $6.75. What is the “final cost”, the “unit”, and the “rate”?
asked by meshelle 
AP BIOLOGY
I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.
asked by Roger 
Chem. Could someone check my answer.
(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into
asked by Tiffany 
Environmental Science
describes environmental benefits and challenges of urbanization. In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation.
asked by coreen 
Math
Ted and Ben took part in the same race. When Ted finnished the race in 25 min., Ben had only run 5/8 of the distance. Ben's average speed was 75m/min SLOWER than Ted's. What is Ted's average running speed? Speed=Ditance/time
asked by Mary 
english
Fill up the blanks with correct conjunctions.1.His footslippedhe fell down with a thud.(and/but/or}.2.we'll haveto wait for a while ,the waiting room is quite comfortable.(and/or/but).
asked by mimo 
Intermediate Algebra
Solve: x2/3  7x1/3 + 12 = 0 a^2  7a + 12 = 0 (a4)(a3) = 0 a = 3 2 = 4 x = 27 x = 64 Is this correct?
asked by Jennifer 
math
Italian Currency: Euro Currency exchange: 1.42 us dollars to 1 Euro If a product costs 4.00 in the US, then how much will it cost in Euro's?
asked by May 
psy 210
What are some of the characteristics of a Type A personality? How could having a Type A personality affect a person’s reaction to stress? What would you view as some advantages or disadvantages of a Type A personality?
asked by CATHERINE MCDOUGALD 
Chemistry
How does a ionic bond form?
asked by Alyssa 
English
How are you? Not so well. Not so good. Not so fine. Not very good. Not very well. Not very fine. Not too good. Not too well. Not too fine. (Can we use all the expressions as the answer to 'How are you?' Would you correct errors?)
asked by John 
Chemistry. Please help!
A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original
asked by Jordan 
College Algebra
I need a little help with this problem. P(x)=2x^417x^3+47x^258x+24 (A) Find all possible candidates for real zeroes. I got +1, +2, +3, +4, +6,+8, +12, +1.5, +.5, and +24. Then I have to find all real zeroes. I tried all of the possible
asked by Jenny 
Evolutionary Psychology
Testosterone has been associated with a willingness to take risks, engage in aggression, and over estimate one's chances of success. Sustaining high level of testosterone has health costs, and is one of the reasons why men live shorter lives than women
asked by Aq 
chem
A piece of lithium metal with a mass of 3.25g reacts with sufficient hydrochloric acid in a closed flask containing 235 mL of air originally at 0.991 atm and 18 C. The heat released in this reaction raises the temperature to 41.0 C inside the flask. a)What
asked by john 
calculua
consider the integral (4x^2+2x+4)dx from 0 to 6 Find the Riemann sum for this integral using right endpoints and n=3 and Find the Riemann sum for this same integral, using left endpoints and n=3
asked by ryan 
Math
A has 50% of the money B has. B has 80% of the money that C has. If C gives $180 to A, C will have the same as B. How much money do each of them have?
asked by Mary 
calculus
Use the Midpoint Rule to approximate the integral (5x9x^2)dx from 6 to 15
asked by mabel 
health and disease
What are some main disease focus for health people 2010
asked by april 
physics
A microphone is located on the line connecting two speakers that are 0.546 m apart and oscillating 180degrees out of phase. The microphone is 2.00 m from the midpoint of the two speakers. What is the lowest frequency that produces an interference maximum
asked by Sandhya 
French
Using the French Alphabet, write out the capital of French speaking countries that are spelled below. bayeuhairenn elleweekseuhemmbayohewairzhjay I can't figure these out. Can you help? Maybe get me started?
asked by Tyler 
chem
which of the following could be used to dissolve a carboxylic acid into the aqueous phase? a)MgSO4 b)1.5 M HCl c)1.0 M NaHCO3 d)2.0 M Na2SO4 e)saturated NaCl I'm leaning towards choice e because you can have an aqueous solution of sodium salt and a
asked by Jason 
Sentencing
Do you agree or disagree with the argument that crime seriousness and prior criminal records are not legally relevant variables? Many agree, many disagree, I would like to hear more opinions and why? I agree. Prior crime does not equate to current crime.
asked by Bridgett 
Calculus
series n=1 to n=inf 4/(n^2  36) what happens when n=6 and there is 0 in the denominator? do we just skip it?
asked by Shaniquaa 
History
What is the elevation of the following areas in feet? Buffalo Mt. Marcy, Albany, Rochester, Binghamton, and Long Island
asked by Kayle 
Math help!
I need help with this question:, 0.7% of what is 0.56? Please write down the steps on how you got the answer to this question?
asked by Lisa 
math
how to symplifly fractions
asked by Anonymous 
math
Which is more probable rolling an 11 or rolling a 16?
asked by seena 
Critical Thinking
Week 2: DQ #2 Credibility Due Thursday Read the following discussion question response written by Owen, a fictional Axia student. Identify areas of vagueness and ambiguity and discuss how you could clarify the email’s message using the writing principles
asked by Debbie 
geometry
what does it mean when the scale factor (ratio) of the actual object to its model is less than 1? ; greater than 1?
asked by Allison 
6th grade science
What is true about petroleum? A.Petroleum accounts for most of the energy produced in the world. B. Petroleum fuels most cars,airplanes,trains, and ships. C. The United States consumes a third of the oil produced in the world. D. Three percent of thw
asked by Jonas302 
English
1. What's the matter? 2. What's worry? 3. What's the worry? *Which ones are correct? Between 2 and 3, which one is correct?
asked by John 
Environemtal science
I need help with creating a 710 slide powerpoint presentation that describes environmental benefits and challanges of urbanization. I have no idea what i am suppose to be doing. I have to include descriptions of two 1966 awards winners, dicussing how they
asked by kia 
I NEED HELP PLEASE OH PLEASE! Genetics
The smidget is a tiny mammal whose sex (like humans) is determined by the presence/absence of a Y chromosome and whose dosage compensation mechanism is just like humans as well. But, this mammal differs from humans in having only two of its thousands of
asked by Pj 
Game Theory
Policy makers in Washington, D.C., face a dilemma. On the one hand they can try to pressure the Iraqi government into trying to disarm the militias. If the effort to disarm the militias succeeds, this might put an end to the sectarian violence and bring
asked by Daniel 
One more math help!
I need help trying to answer these question: 83 1/3% of what is 13.5?
asked by Lisa 
English
Does anyone know a link to a site that has a list of adjectives starting with the different letters of the alphabet? I have used one before, but I forget its name. I need an adjective that starts with "s," to go with sisters who don't get a long. My title
asked by Celina 
Spanish
Question: Para ti, cual es la clase mas dificil en Harvard. MY ANSWER: Para me, Nunca clase es mas dificil in Harvard. IS THIS CORRECT
asked by sam 
trig
how do i do this? give the signs of the six trig functions for each angle: 74 degrees?
asked by Tay 
precalculus
convert the numbers to polar form and then divide.leave the answer in polar form. 1010i/3root3+3i
asked by javed 
s.s
What was the main argument of the Antifederalists against the Constitution?
asked by kevin 
s.s
Why did Congress add the Bill of rights?
asked by kevin 
math 10 AP
How do you completely factor 64xx (the x is to the power of 4)
asked by Anonymous 
science
what 4 contributions did Galileo make to our understanding the solor system? i know one was the telescope the other he found 11 moons on jupiter whatare the other 2
asked by polly 
human resource
I am writing a paper on this subject and I need help can someone please help . Introduction – Performance Management Process II. Purpose of Employee Performance Appraisals a. Evaluating employee’s skill levels b. Feedback Opportunities i. Employee
asked by sandra 
us history
were immigrants lived ad worked during the 1920's
asked by lauren 
Math
At the beggining of the day some small eggs and some large eggs were on sale at the ratio 3:2. At the end of that day, 260 small eggs and 1/2 of the large eggs were sold. The ratio of the remaining small ones to the remainig large ones became 2:5. How many
asked by Mary 
math
one more I really do not understand this one Describe an application for the use of ratios or proportions that is or could be useful in your daily life.
asked by meshelle 
Intermediate Algebra
Solve x^2 + 3x + 3 = 0 1 + sq.rt 14 (1)(3) 1 + sq.rt 112 = 1 + i sq.rt 11/2 Is this correct?
asked by Jennifer 
com 220
Students should follow the steps in Finding, Evaluating, and Utilizing Information to complete a general search for reliable sources: (1) What is the purpose and affiliation of the organization or author related to the article? (2) What are the author’s
asked by Leigh 
Genetics
The smidget is a tiny mammal whose sex (like humans) is determined by the presence/absence of a Y chromosome and whose dosage compensation mechanism is just like humans as well. But, this mammal differs from humans in having only two of its thousands of
asked by Pj 
art
how can the social, political or economic conditions alter the nature and meaning of art
asked by john 
Math help again...
I'm trying to set up the problem to this question, but for some reason I am confuse and can't answer this question: 1) During a quality control test, Micronics found that 24 computer boards were defective. This amount was 0.8% of the computer boards
asked by Lisa 
chemistry. Which is a base?
ZnCO3, CL2, NaCL, Zn(NO3)2, Zn. THANK YOU!
asked by Sam 
mzth
how to symplify fractions fast
asked by Anonymous 
spanish
what does this mean in english? and would it be true or false? sorry this is the only one i do not understand. unos temas comunes para el noticiero son como preparar platos exquisitos, como viven las estrellas de cine y como aprender a pintar.
asked by Christina 
spanish due in 2 hrs
The assignment says Por Vs. Para 1. Para que usan los ipods? PLEASE HELP WITH Answer: Yo usar los ipods por dos horas el dia. 2. Por cuantas horas estudias para una examen de mathematicas? PLEASE HELP WITH Answer: Yo estudio cinco horas por una exam de
asked by sam 
6th grade Science
Scientists can use what to test an area for oil without drilling?
asked by Jonas302 
GEOMETRY
Big problem with proofs. How do you go about doing triangle proofs?
asked by Emiliana 
math
for what values of x does the series converge absolutely and for what values does it converge conditionally? from n=0 to infinity an=(1)^n(4x+1)^n
asked by sarah 
accounting
how do i record adjusting and closing entries for a service business? how do i do a postclosing trial balance?
asked by D 
literature
who is Maya Angelou
asked by winni 
science
what are the role of the electrons in ionic bonds,covalent bonds and metallic bonds
asked by kayla 
Algebra
Please solve the Linear Equation of P = 200(10)+6000 Please show work in all steps
asked by Anna 
human resources
In what situations are the following compensation methods most effective: a) Merit pay? b) Incentives? c) Lump sum?
asked by sandra 
English
Look at the doctor, who is wearing a sthethoscope. She wants to see the doctor, for she has a sore throat. (Are the expressions correct?)
asked by John 
math
what is the geometric name for a figure with four sides
asked by Aj 
statistic
Given TWO SETS of congruent angles, what is the probability of selecting two consecutive angles that are congruent?
asked by mitch 
math
one more Brand “A”: 6 ounce can for $1.20 Brand “B”: 7 ounce can for $1.47 Brand “C”: 8 ounce can for $1.52 Which is the better buy, and what is the unit, rate, and final price for each brand?
asked by meshelle 
american literature
write a critical analysis on the poetry of henry longfellow
asked by winni 
math
What is the largest sum you can get when you add two 2digit numbers? Explain.
asked by Deja 
science
explain why earth has a moon
asked by polly 
English
What is a good site for some hard Anologies?
asked by Mary 
Math
A dress costs $60. A skirt costs 25% less. M bought some skirts and dresses for $2220. 70% of the items were dresses. Rest were skirts. How much do skirts cost? (All the skirts together.)
asked by Mary 
8th grade
what are all the acts
asked by alisa 
socials
what was the war measures act? who was sam hughes? thanks
asked by s 
cjs200
I do not believe we are all taught wrong from right. There are children out there being raised in foster homes by fosters that just look at them as a check. They are not teaching this children anything. that is why a lot of them end criminals. As far as
asked by anonymoys 
cjs200
values and morals: I think that while most people are taught values and morals it's nearly impossible to say that everyone is taught values and morals. Many are taught, but never apply the principles; others unfortunately I think grow up without truly
asked by anonymoys 
Science
What human activities contribute to reducing solid waste?
asked by Anonymous 
Algebra
6000 = 200(t) Please help me solve this equation, and show the work... Thank you!!!
asked by Anna 
Enlightenment Mary Wollstonecraft
Can anyone give me a website detailing the education of Mary Wollstonecraft? It's urgent.
asked by Amanda 
Intermediate Algebra
Solve: 2x^2  5x^1  3 = 0 2a^2 5a  3 = 0 (2a^2  ) + ( a  ) = 0 I am stuck here please help.
asked by Jennifer 
Electronics
If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKIN would be?
asked by Charles 
electronics
If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKOUT would be?
asked by Charles 
Electronics
If the frequency of an RC oscillator connected to CLKIN is 96 KHz on A PIC 16F877a, the frequency on CLKOUT would be?
asked by Charles 
math
2  x what is 15 3
asked by mo 
spanish
assignment is POR vs PARA Tienas que hacer un proyecto para una clase este quarter? Para cuando tienes que completarlo I do not understand what the question is asking? What is my grade for this quarter.
asked by sam 
english
fill up the blanks using if or unless.1.it rains,we shall not cancel our plans to go out.2. l will not forgive him he apologises.
asked by mimo 
math
2/3 * ________ =15 please answer
asked by mo 
Math
What is (1.017)^5
asked by Amy 
History US
What was Hamilton's economic plan..? why didn't people like it?
asked by Min 
human resources
I need to know what is Performance Management Process and the Purpose of Employee Performance Appraisals how do I start to write this paper I need help in writing the introduction
asked by sandra 
calculus
how do i reduced 76/100
asked by eman 
college
accounting
asked by ann 
chemistry II
I search the web and my texbook doesn't have the answer so please help What are the four steps of a process involving a heterogeneous catalyst?
asked by josh 
art
how can social, polictical or economic conditions alter the nature and meaning of art?
asked by john 
physical science
how many electrons does lithium have
asked by chris 
12th grade
A Lesson Before Dying " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about their
asked by Lenny 
Math
Ed's distance to the mirror is 12ft The distance from the lighthouse to the mirror is 100ft. The distance of Ed's eyes to the ground is 5ft. What is the scale factor and how tall is the lighthouse?
asked by Michelle 
language
the cay takes place during???
asked by kim 
English
* I have a headache ( ) and a stomachache. ( ) Listen carefully, and if the expression has a rising intonation, mark an upward arrow. If it has a falling intonation, mark a downward arrow in the parentheses. In the sentence, before 'and' it has a rising
asked by John 
Education
Standardsbased education can sometimes put pressure on teachers to be sure they 'measureup' to the expectations of state standards. How can teacher accountability have a positive and a negative influence on the classroom environment?
asked by Manny 
Finite Math
Please help...i'm totally lost with this one. Construct a linear program for the following situation. Do not solve. A hotel is refurbishing its rooms, each type of which will accommodate either one or two persons. A oneperson room requires 2.5 hours of
asked by Jen 
biology
i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!
asked by Morgan 
algebra
how would you explain how to do Inequalities? With negative numbers, and how to add and subtract ex: a+7
asked by Angel 
math
find the series radius and interval of convergence. from n=0 to infinity an=[(1)^(n+1)(x+2)^n]/(n2^n)
asked by sarah 
chemistry
I am trying to find pressure. R=.0821 T=1273 K V=2 n=.0997 When I put .0997 in the PV=nRT equation I get 5.2 atm, and when I put in .09 I get 4.7 atm. Which answer should I put? Which is more accurate?
asked by Jordan 
spanish HELP
thanks is this correct. IS THIS CORRECT Yo uso los ipods por la musica? Next Cuanto dinero se necesita para comprar un XBOX? MT ANSWER? Dos Cien dolares es neccessario para comprar un XBOX
asked by sam 
History
I am doing a report on Plato. Does anyone know some interesting sites?
asked by Jennifer 
spanish help
Question: Para que se usan los telefones celulares los jovenes? My Answer: Los jovenes usan el telefono celulares para hablar con amigos. IS THIS ANSWER CORRECT
asked by sam 
Biology
A dominant gene does not "subdue" or "cover" a recessive gene. Explain using round and wrinkled peas as your example.
asked by Amanda 
French
To negate the command "Dépêchetoi!" and other commands containing reflexive verbs, would it be "Ne te dépêche pas!"?
asked by Anonymous 
solving inequality
I have two problems that Im.. having a problem with. I would like an answer but with an step by step explanation, so i can do the other 20 that are due tomorrow... lol. 1. 3x  8 > 10 2. 2x +7 ≤ 37
asked by Kali 
algebra
The mean speed of jeremy fastball is 76.2 miles per hour. in championship game, he threw a strike at 84.6 miles per hour. What was that pitch speed deviation from the mean?
asked by Leslie