Questions Asked on
December 8, 2009

Chemistry
The titration of 25.0 mL of an unknown concentration H2SO4 solution requires 83.6 mL of 0.12 M LiOH solution. What is the concentration of the H2SO4 solution (in M)? A) 0.40 M B) 0.10 M C) 0.20 M D) 0.25 M E) 0.36 M The answer is supposedly C, but I got A.
asked by Charlie 
12th Physics
A 55 kg ice skater is at rest on a flat skating rink. A 198 N horizontal forceis needed to set the skater in motion.However, after the skater is inmotion, a horizontal force of 175 N keeps the skater moving at a constantvelocity. Find the coefficients of
asked by Melissa 
Physics 221
A 20g particle is moving to the left at 30 m/s. How much net work must be done on the particle to cause it to move to the right at 30 m/s. The answer is 0J of work, and i understand the method of equations, but i don't understand the logic behind it.
asked by K 
physics please help :)
a.the gravitational force between 2 electrons 1.00m apart is 5.42x10^71 N. Find the mass of an electron. b.2 spherical balls are placed so their centres are 2.6m apart. The force between the balls is 2.75x10^12N. What is the mass of each ball if one ball
asked by Anonymous 
phys.
the shortest and longest wavelength series in singly ionized helium is 22.8nm and 30.4nm . Are they right? How many orders we can see between the angles range observations 30 and 90 in the Balmer's series?
asked by bun 
Literature
'What is the tone of the poem El Olvido? Describe the speaker's attitude towards the subject and support your description by commenting on word choice and rhythm.' This is what i got: The tone of the poem 'El Olvido' is very solemn as the speaker describes
asked by mysterychicken 
physics
A sealed tank containing seawater to a height of 11.0 m also contains air above the water at a gauge pressure of 3.00 atm. Water flows out from the bottom though a small hole. Calculate the speed with which the water comes out of the tank. I believe this
asked by Sarah 
AP U.S. HIstory
What bias did the FOunding Fathers demonstrate in their procedure for electing senators?
asked by Ashley 
compose
if 3.85 L of carbon monoxide was collected over water at 25 degrees celsius and 689 mmHg how many grams of formic acid were consumed?
asked by j 
physics
Given: latent heat of fusion of water 3.33x10^5 J/kg. A 147 g cube of ice at 0 degress C is dropped into 1.3 kg of water that was originally at 79 degrees C. What is the final temperature of the water after the ice melts.
asked by Ericka 
Math
Three neighbors are sharing a rectangular strip of land fir a garden. They divide the land into 24 equalsized pieces. What fraction of the land does each person get if they share it equally? Write the answer in more than one way
asked by Nick 
Literature
'What is the tone of the poem El Olvido? Describe the speaker's attitude towards the subject and support your description by commenting on word choice and rhythm.' The tone of the poem ‘El Olvido’ is intense as a mother prays for her child who has
asked by mysterychicken 
chemsitry
hi I need help with this question please. 1. consider the decomposition of N2O5 in carbon tetrachloride(ccl4) at 45c 2N2O5(soln)> 4NO2(g)+ O2(g) The reacion is first order in N2O5, with the specific rate constant 6.08*10^4 per second.calculate the
asked by hrithik 
math
Reduce the fraction to lowest terms. Do not use spaces in answer. 38x^2yz^2 __________= 19xy^2z^3
asked by yelena 
geometry
the bases of a trapezoid have measures of 16 and 8. find the measure of the median.
asked by kt 
Physics
The "hang time" of a punt is measured to be 4.00 s. If the ball was kicked at an angle of 53.0° above the horizontal and was caught at the same level from which it was kicked, what was its initial speed? (Neglect air resistance.)
asked by Robert C 
Phys sci
Which one of the following frequency can set the string into resonant vibration? If a guitar string has a fundamental frequency of 500Hz a)250Hz b)750Hz c)1500Hz d)1750Hz
asked by Joanna 
Math
Felicia traveled 7 kilometers to school 1/10 of that time she walked and 9/10 of the distance she rode a bus. A. How far did Felicia walk? B. How fare did she ride?
asked by Kris 
Chemistry
Which of the following is a dipole? KrF2, NH2Cl, CH2Br2, and SCN^ I'm pretty sure that KrF2 and NH2Cl are not dipoles, but why? also, what makes something be a dipole?
asked by Meg 
Business Math
A furniture store sells recliners at a 70% markup (based on price). If the recliner costs the store $240, what price will they charge? Formula: %Markup on cost=%markup on selling price/100%  % markup on selling price x = 70%/100%70% x = 70%/30% x =
asked by Amelia 
Math
If exactly three darts hit this target, how many different scores are possible? darts circle 1 3 5
asked by afo 
Physics
Babe Didrikson holds the world record for the longest baseball throw (296 ft) by a woman. For the following questions, assume that a ball is thrown at an angle of 45.0° above the horizontal, that it travels a horizontal distance of 280 ft, and is caught
asked by Robert C 
Science
Where is this earthquake's epicenter? A)Tokyo, Japan B)Manila, Philippines C)Beijing, China D)Hong Kong, China
asked by george 
MATH
Joe bought 2 dozen eggs at the store. On the way he dropped the eggs and broke 3/4 of them. How many eggs broke?
asked by DJ 
STATS
A student's grade on an examination was transformed to a z value of 0.67. Therefore, we know that she scored approximately in the top
asked by Anonymous 
math
Reduce the fraction to lowest terms. Do not use spaces in answer. x^3x^2 ________= x^4
asked by yelena 
social studies
How did Charlemagne gain the title Emperor of the Roman People from Pope Leo III? A. He inherited it from his father. B. The pope saw his concern for his people in the way he governed. C. He built a very large cathedral in Aachen and earned the pope’s
asked by tim 
Math
How do you write Rotation, Translation, and Rotational Symmetry in math. For example, reflection is written : a reflection in line l is indicated by ML.
asked by Jackie 
human services
What have been the most significant changes in human services over the past 50 years? How has society’s responsibility to individual needs changed in the last 10 years? What do you think the role of human service workers will be in the future?
asked by Ty 
math
suppose you copy a figure on a copier using the given size factor. find the scale factor from the original figure to the copy in decimal form. a)200%, b)50%, c)150%, d)125%, e)75%, f)25%
asked by dillan 
Economics
How does a price ceiling undermine the rationing function of marketdetermined prices? How could rationing coupons insure that consumers with the highest values get the limited amount of a good supplied when government price ceilings create shortages?
asked by Lauren 
Chemistry
How would i find the hybridization of the central atom in NO3^ and CH2Br2? Also, in general how would I find the hybridization of something, and what is hybridization (I'm very lost)?
asked by Sarah 
math
Evaluate the following expression. 7^0
asked by yelena 
math
what did the ape think of the grape's house?
asked by Anonymous 
English 11 (Novel Study No country for old men)
Im doing an essay on the lack of redemption shown in the novel No country for old men. I needs 10001200 words and i got about 7 paragraphs these include Thesis Body paragraph 1(the corruption of money) Body paragraph 2(the curruption of youth) Body
asked by Pengu 
Statistics
In a distribution of 400 response times with a mean of 7 minutes and a standard deviation of 2 minutes, the maximum number of response times greater than 13 minutes would be about: A. 40 B. 100 C. 75 D. 90
asked by Adria 
math
Reduce the fraction to lowest terms. Do not use spaces in answer. 5jk ________= 35j^2k^2
asked by yelena 
Accounting
Is it ethical to lengthen asset lives to reduce depreciation expense using the straight line method? Also, is this against accounting regulations?
asked by Lisa 
Physics
A golf ball is struck with a five iron on level ground. It lands 85.0 m away 4.60 s later. What was the magnitude and direction of the initial velocity
asked by Robert C 
physics
A block of ice at 0°C whose mass initially is m = 12.5 kg slides along a horizontal surface, starting at a speed vo = 4.10 m/s and finally coming to rest after traveling a distance d = 10.07 m. Compute the mass of ice melted as a result of the friction
asked by AK 
algebra
Reduce the fraction to lowest terms. 5jk ________= 35j^2k^2
asked by yelena 
physics
A bomb is dropped from a altitude of 1600 meters.How long will it take for the bomb to hit the ground?
asked by ann 
physics
When an openfaced boat has a mass of 5750kg, including its cargo and passengers, it floats with the water just up to the side on a freshwater lake. (a)What is the volume of this boat? (b) The captain decides that it is too dangerous and wants to throw
asked by Sarah 
Physics
if the intensity of a mosquito's buzzing is 9.3 x 10^8 W/m^2 at a distance of 0.21 m, how much sound power does that mosquito generate?
asked by Brielle 
algebra
Reduce the fraction to lowest terms. 38x^2yz^2 _________= 19xy^2z^3
asked by yelena 
geometry
Lines a, b and, c are perpendicular bisectors of angle pqr and meet at a find x, y, nd z
asked by latisha 
Math  6th Grade
The sum of two decimal numbers is 5.3. Their difference is 1.7, and their product is 6.3. What are the two numbers? Does the product have anything to do with getting the answers?
asked by David 
Math
Juan bought 2 tires for his bike. His bike cost $65. How much did he spend on the 2 tires?
asked by Joey 
physics
1. Part (1 of 2) A 5.36 g bullet oving at 681.8 m/s penetrates a tree trunk to a depth of 3.79 cm. a) Use work and energy considerations to find the magnitude of the force that stops the bullet. Answer in units of N. and 2. Part (2 of 2) b) Assuming that
asked by Ronaldo 
Math
cheryl, rita and four of their friends go to a movie and share equally a 48ounce bag of popcorn and three 48inch licorice laces. Find the fraction of popcorn each gets and the fraction of licorice each gets.text
asked by Nick 
MATH
Carmen spent 4 hours at the Y on Saturday. Two thirds of that time she spent in the gym. How many hours did she spend in the gym?
asked by DJ 
Ap Chemistry
I have no idea where to start with this problem: A certain reaction has the following general form: aA > bB At a particular temperature and (A)o = 2.00(10^2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus
asked by Shawn 
Management 2
Which type of lighting is most compatible with computer work? a. fluorescent, b.sunlight from windows, c. task lighting, d. colored lighting?
asked by Xenia 
Chemistry
Balance the following in basic solution using the lowest possible integers and give the coefficient of water. MnO4 + C2O42 > MnO2(s) +CO32
asked by Mary 
math 6 grade
The PackUUp Moving Company uses several different size boxes,but the boxes all have the same meaurements on the top andbottom so they'll stack neatly on top of one another.The only differences between the boxes is their heights: some are three feet high,
asked by fko 
Math
This is the question given: "Peanuts sell for $5/kg and cashews for $20/kg. Mary wants to sell a mixture of peanuts and cashews for $12/kg. How many kilograms of peanuts and cashews would Mary have to mix in order to make 30kg of the $12/kg mixture?" This
asked by Emily 
social studies
what is the geographic features of the eastern woodlands
asked by kimberly 
physics FORCE
if the intensity of a mosquito's buzzing is 9.3 x 10^8 W/m^2 at a distance of 0.21 m, how much sound power does that mosquito generate?
asked by brielle 
Social Studies
Why do most Canadians live near the U.S border? (two reasons) One of my reasons were: to trade. (I remember that the teacher was saying that)
asked by Anonymous 
math
equations....4 pennies=4pennies;multiply both sides by 7
asked by andrew 
2nd grade
does the word ''cartoon'' have long vowel sounds?
asked by Anonymous 
calculus
find the derivative of f(x)=cot(3x)csc^2(3x)
asked by jackie 
Chem.
Why is it not possible to achieve a complete separation of the ethanol from the water in the clarified reaction mixture via simple distillation? I'm not sure about this because I thought the difference between fractional (what was done) and simple
asked by Chelsea 
Calculus
Find the area enclosed between f(x)=0.4x^2+5 and g(x)=x From x=5 to x=8
asked by Salman 
physics
A rectangular crate of weight W is floating in water with 2/3 of its volume above water. If you now want to push down on it to hold it lower in the water, so that only 1/3 of its volume is above water, the downward force needed to do this is: A. W B. 2W C.
asked by Sarah 
geometry proofs
given: line QO congruent to QN, line NM CONGRUENT TO OP Prove: triangle QMP IS ISOCELES 5. TRIANGLE QNM CONGRUENT TO TRIANGLE QOP WHAT IS THE REASON 7. TRIANGLE QMP IS ISOCELES WHAT IS THE REASON
asked by haley 
Physics
if the intensity of a mosquito's buzzing is 9.3 x 10^8 W/m^2 at a distance of 0.21 m, how much sound power does that mosquito generate?
asked by Rhyanna 
geometry
the bases of a trapezoid have measures of 16 and 8. fine the measure of the median.
asked by kt 
Math
The PackUUp Moving Company uses several different size boxes,but the boxes all have the same meaurements on the top andbottom so they'll stack neatly on top of one another.The only differences between the boxes is their heights: some are three feet high,
asked by fko 
cjs 220
what are the methods of judicial selection for federal appellate, state appellate and state trial court judges?
asked by pinky 
grammar
The dock is on Fish Lane. CAPITALIZE the proper nouns in the sentence.
asked by Barry 
socials
i am asked to do a project of the english philosophers, what are the major works (with dates) for baron de montesquieu
asked by Brenda 
Misc
I need to know the three most dangerous things that can happen on a socializing website such as facebook, for teenagers. Thanks MC
asked by mysterychicken 
Science
Any help on this I have to go to bed!!!! Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form
asked by Eryns 
AP Chemistry
I have no idea where to start with this problem: A certain reaction has the following general form: aA > bB At a particular temperature and (A)o = 2.00(10^2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus
asked by Shawn 
Phenix
The Harley Davidson motorcycle company, which had a copyright on the word “hog” appiked for exclusive rights to its engine sound. Why would a company want copy rights on two such mundane things?
asked by miller 
statistics
21. Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while
asked by bren 
math
1 centimeter is what fraction of one meter
asked by Victoria 
Physics
A soccer ball is kicked with an initial speed of 12.2 m/s. After 0.497 s it is at its highest point. What was its initial direction of motion?
asked by Robert C 
Calculus
A fully plane has a constant acceleration while moving down a runaway. the plane requires .7 mile of runaway and a speed of 160 miles per hour in order to lift off. what is the planes accelearation? i need the formula cause the one i have doesnt work cause
asked by Nancy 
math
there are 40 people at a picnic there are 4 more children than adults how many of each are there
asked by christian 
science
What are the seven energy levels and tell the maximum number of electrons that can fit in each.
asked by Abby 
Language Arts
Risk is to chance as forthought is to?
asked by Alexandra 
Business Math
A furniture store sells recliners at a 70% markup (based on price). If the recliner costs the store $240, what price will they charge?
asked by Amelia 
Italian
Hello, I am teaching myself Italian from a textbook, Ciao! Sixth edition, but I am getting confused with some of the answers, as the information is lacking in a sound explanation. Does anyone know where I can find the answers to the textbook questions, so
asked by Rory 
history
I know that during the McCarthy Era, people accused as being communists were asked to give names of other communists. I was wondering if it was true that if accused people gave names then they would be let off the hook? Thanks.
asked by Rachel 
Math
Maria is going for a walk. She begins by walking north for 1 km. She then turns and walks east for 22 km, then turns and walk south for 3 km. She walks at a constant 4 km/hr. Express the distance from Maria to her starting point as a multipart function of
asked by Anonymous 
MATH
IF JACK AND JILL ARE COMPARING RESULTS OF A MATH TEST AND jACK HAD 40 CORRECT ANSWERS AND JILL HAD 50 CORRECT ANS AND THERE WERE 32 QUESTIONS THEY BOTH GOT RIGHT AND 6 THEY BOTH GOT WRONG. HOW DO I FIND THE NUMBER OF QUESTIONS ON THE TEST?
asked by Janice 
math
Let f(x)=x+2 Ix3I and g(x)=3x1 Find all solutions to the equation f(g(x))=4x So this is what I did... (3x1)+2 I(3x1)3I=4x (3x1)+2 I3x4I=4x This is where I got stuck. What do I do with the absolute value? and this part?(3x1)+2=3x+1 ??
asked by SC 
college comprehensive grammar checkpoint
Did you know a famous animalrights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animalrights activist have criticized horseracing because of the dangers involved? Subjectverb agreement 2a. Peer editing
asked by Casey 
Math
The temperature in a certain cave is a sinusoidal function of time. When you first enter the cave, you set up a thermometer to record the temperature. After 19.5 hours, the temperature in the cave is at its maximum: 35 degrees celsius. The temperature then
asked by SC 
Organic Chemistry
Carbocation: In which reaction mechanism is it an intermediate?
asked by Cerise 
Math
My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin Robert Emerge from the pool? Ans__________ Hint We do not know if it's filled with water or not. It is a round pool. It is a
asked by Diana 
chemistry
what is a simplified way of representing an organic compound by showing only rh carbon carbon bounds
asked by shelly 
geometry
Which is the correct ratio of sides for a 306090 triangle
asked by elaine 
AED 200
what are 3 social issues kid face outside the classroom and what can the school do to help them overcome these issues?
asked by Alvin 
probability
hi! how would you figure out a problem where you are given a probability of success for 12 people and you are trying to find the probability of success for 1 person?
asked by ali 
science
What is happens to rocks after their elastic limit is passed?
asked by john 
Psychology
What is "Acquiring New Behaviors" deal with? It is part of Behavior Modification but that's all I know. It has to deal with positive/negative behavior Could someone explain and give me examples Thanks
asked by Mike 
algebra
Evaluate the following expression. 3^2
asked by yelena 
Math
intergrate(e^5x)/((e^10x)+4)dx
asked by Salman 
Algebra
5m 2 = 33 while i know the answer is m=7 therefor making the equation read: 5(7)2=33 how do I show my work
asked by JoHanna 
Math
Mario broke a pane of glass in a window.The opening measured 7 and 1/4 inches by 9 and 1/2 in.At the hardware store,they sold him a pane of glass that was 7 and 1/4 inches by 9 and 1/2 inches to the nearest 1/4 inches.Can Mario be sure the glass will fit
asked by Saiyda 
6th grade Math
The sum of two decimal numbers is 3.9. Their difference is 0.9, and their product is 3.6. What are the two numbers?
asked by Anonymous 
arithmetic
On one of the questions of a recent math test, a student divided by 9 instead of multiplying by nine. This computation gave an answer of 18. What's the correct answer?
asked by Tom 
math
Sheryl correctly answered 85% of the questions on her 200question biology final. Fernando scored a 90% on his 180question chemistry final. (a) Who answered more questions correctly? (b) Who answered more questions incorrectly?
asked by student 
math
Wheel’s Bicycle shop advertised a bicycle for 15% off for a savings of $36. The bicycle did not sell so it was offered at a new 20% discount off the sale price. (a) What did the bicycle sell for regularly? (b) What is the amount of the new discount?
asked by poo 
math
Paul read 20 pages of a book in 15 minutes. (a) What is Paul’s reading rate of pages per minute? (b) If he continues to read at the same rate, how many pages will he read in 1 hour?
asked by tasha 
Maths
An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information: Bond types Projected rate of return Benchmark government 9.1 UK gilts 10.3 Global investment grade (US $) 6.7 Global investment grade
asked by Sarah 
Ethnics
Should United States government policy favor certain kinds of immigrants? Should citizenship preference be given to the neediest applicants, the most talented, the most oppressed or the richest? Should applicants from certain countries be given priority?
asked by Lori 
literary
"bundle of services "is example of what literary device
asked by ann 
World culture and the Arts
The Mesopotamians had a generally pessimistic view of life. How do the arts of their civilization reveal this? Use at least one example to illustrate your points. What other features of this culture does the art reveal?
asked by stephaine 
physics
Thank you drwls, My problem is a. The lifetime of the levels in a hydrogen atom are of the order 10E8s. What is the evergy uncertainty of these states? Compare this result with the energy value of the first excited state. b. Find the shortest and the
asked by bun 
5th grade
a friend and I entered an art contest. a blue ribbon is awarded for 1/3 of the pieces you entered in the contest.I won 2 blue ribbons and my friend won 3 ribbons. Explain how this could be.
asked by quinton 
us history
In what ways did democracy create a new political culture? How did democracy impact social change?
asked by nicole 
Psychology
What is social facilitation and how has the definition evolved"
asked by Justin 
Literacy development
What role does spelling have in an effective reading program? How can spelling best be taught? Should schools implement a formal spelling program?
asked by Anonymous 
garmma
She and mom got to the Dock late.
asked by Barry 
Statistics
I'm confused about significance tests. I've tried to look up what it means for the p to be less than the alpha but none of the explanations made sense. I understand that the alpha is the probability of wrongly rejecting the null hypothesis but I'm not sure
asked by Sam 
Science 275
I need help finding out about noliving asnd living factors that contribute to or affected by water resource problem.
asked by ReeRee 
Math
Simplify each expression. 1. 2x+8/x^216 2. 1+x/x^2+x 3. x^212x28/x^214x 4. x^2+7x+10/x^24
asked by Sarah 
sciencebiome
What is the typical precipitation and tempurature for summer and winter in a Virginia Temperate Forest? What are the characteristics of a plant and animal that is seen regularly in a Virginia Temperate Forest? How do the charecteristics relate to the
asked by Lori 
chemistry
explain why the type of bond could determine the volatility of a substance
asked by shakiela 
Spelling
brother mother fly
asked by Nicole 
Texas History
What was the mission that served as a halfway mark between Mexico and the eastern settlements? I have no clue and cannot find it in my history book...
asked by Journi 
Math
Solve for n á = (n2) * 180 / n = 180 – 360/n
asked by Rene 
psy265
What are three components of attractiveness? Which of the three is most important to you? Why did you choose this factor? Consider, as you respond to your classmates’ posts, how their responses have had an effect on your views about attractiveness
asked by trudy 
English
how did sir gawain & the green knight convey 2 senses of supernatural?
asked by Lay 
Trig
Find the distance from pi. 7 pi/6. I subtracted 2 pi from this and got 5pi/6. But the correct answer is pi/6. Whwere did this come from?
asked by Victoria 
Jo
That makes sense but were did you get of 7.9 from. Once I know that I under stand subtracting the period... just don't know were that value came from h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 0 2 4 6 6 3 4
asked by Jo 
math
When Professor Sum was asked by Mr. Little how many students were in his classes, he answered, “All of them study either languages, physics, or not at all. Onehalf of them study languages only, onefourth of them study French, oneseventh of them study
asked by james 
math urgent
Find the result if the sumn of the roots of y= x^2+3x5 is added to the product of the roots.
asked by Anonymous 
algebra
simplify 2x + 4 / 10x^2 + 24x + 8
asked by Nelson 
college Statistics
A distribution with a mean of 200 units, a standard deviation of 40 units, a minimum value of 4 units and a maximum value of 245 units is A. Positively skewed B. Negatively skewed C. "Bellshaped" D. Bimodal
asked by Adria 
adult education
making copious reference to fanon's text the wretched earth,give as many arguments for anticolonial violence as you can identify in his essay.evaluate each of the arguments by considering objections against it and see if fanon's argument can be resued
asked by feyi 
Science
what is the body symmetry of Mollusks'? and what is the body symmetry of Arthropods?
asked by Uhave 
Biology
Describe an example of how natural selection influence the evolution of a particular species.
asked by Rayna 
thermochemistry college
does anyone know profesor of green river community college, auburn,wa, sue critchlow ????
asked by eva 
com150
topic outline and working references list I am trying to references templates but i don't know how.
asked by kase 
math
44 less than d translated in an algabra expression Would it be: d44
asked by Matt 2000 
algebra
Part 1: Using the Library, web resources, and/or other materials, find the logarithmic formula that gives the pH of a substance. State what each variable in your equation represents. Find the pH of an acidic substance of your choice. Using this pH, show
asked by steph 
grammar
trying to Capitalize the proper nouns in the sentence
asked by Barry 
algebra
Don't want the answer just the formula on how to figure this out. two trains are traveling on parallel tracks. Train A is going 40mph and crosses the station at 4:10, Train B is going 60mph and crosses the station at 4:25 when will train B catch up to
asked by sam 
Math
I need help in finding the vertex of a parabola using an equation in this form: Ax^2 + Bx+C I have a test on this tomorrow. For example: 3x^2 +1x  2 How would I find the vertex in this?
asked by Clair 
physics
When a metal pipe (open at both ends) is cut into two pieces, the lowest resonance frequency in one piece is 273 Hz and that for the other is 401 Hz. What resonant frequency would have been produced by the original length of pipe?
asked by Anonymous 
Science
With today's advanced technology, scientists are able to predict when an earthquake will occur A)true B)false
asked by george 
Chemistryplease help!
When sucrose is fermented to produce ethanol why is it not possible to obtain a final solution containing more than 1015% ethanol? Does this have to do with azeotropes? However, I thought this was possible? I am confused, please help.
asked by CMM 
Math;PreAlgebra
My cousin Robert was pushed into a pool. The pool was 6 feet Wide and 10 feet deep. The pool had soft walls. How did my Cousin Robert Emerge from the pool? Ans__________ Hint We do not know if it's filled with water or not. It is a round pool. It is a
asked by Molly 
Biology
I have this chart that states the blood sugar levels of 2 individuals. Why is it important that the two people have the same mass?
asked by Lena 
Math
prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of nonzero factors is not zero. Thank you.
asked by Genius 
english
tell me whats wrong with this sentence 'The teacher should have taken more time.' teacher subject should helping verb have helping verb taken action verb
asked by christina 
Texas History
What was the mission that served as a halfway mark between Mexico and the eastern settlements? I have no clue and cannot find it in my history book...
asked by Journi 
Managerial Economics
I have an exam in two days. I need an explanation to this question please. MC = 10+5Q derive an equation for total cost
asked by Special 
Math
Solve the inequality. 3(h+5)
asked by Anonymous 
Math
The Lappans buy 3 large sandwich wraps to serve at a picnic. 9 people in all will be at the picnic. Show 3 different ways to cut the sandwiches so that each person gets an equal share.
asked by Nick 
english
I need help on passive voice. Is the following sentence passive voice? The results of the aptitude test were told to us by the principal.
asked by Justin 
Precalculus
Solve the equation x^3  2x + 4 = 0. ==> I know the answer is 2, but I can't seem to remember how to solve these by hand without using a graphing calculator. Any help is greatly appreciated!! :)
asked by Emily 
english
what is the antonym for terrible
asked by kahlik 
sci275
how can the government be involved in conservation efforts?
asked by dan 
Chemistryplease help!
When sucrose is fermented to produce ethanol why is it not possible to obtain a final solution containing more than 1015% ethanol? Does this have to do with azeotropes? However, I thought this was possible? I am confused, please help.
asked by CMM 
Literacy development
What are the connections between good readers and good writers?
asked by Anonymous 
Creative Writing
What are some plus and minuses of growing up males, and what are some plus and minuses of growng up females? the topic is: who has an easier time growing up; males or females My opinion: I don't think the difference is tremendous, but in most ways boys
asked by y912f 
11th grade
Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?
asked by regerrica 
Math
Solve the inequality. 3(h+5)
asked by Anonymous 
social studies
Does use of veto power show weakness in executive branch or undermine relations with congress
asked by crystal 
english
In the sentence "these pebbles are like hundreds of small wheels." is like an verb if so action or linking?
asked by christina 
Math
Find the x and y intercepts of a line that is perpendicular to the line y = 9/8x + 1 and passes through the point (18, 8).
asked by Chris 
Math
Find the definite integral of the following using a suitable substitution: 1) (x^2)/sqroot(x^31)dx 2)xe^(x^2)dx 3)(ln(x))^(7/2)/(x)dx
asked by Andrew 
HCA230
List at least two pros and two cons for each of the given patient and caregiver roles.
asked by Debbie 
english
In the fall, the warm ground melts the first layer of snow. in the fall prep. phrase of snow " " ground subject melts action verb anything else? because i answered this and she said it was wrong
asked by christina 
Math
Laurie expects to make $100,000 in 2007. Her social security tax rate is 6.20% up to the wage base, Medicare is 1.45%. How much FICA is Laurie expected to pay for the year?
asked by Alice 
science
how can the periodic table help you determine the number of valence electrons?
asked by Katherine 
science
why is it uncommon for noble gases to form chemical bonds?
asked by Katherine 
algebra
2x2y=8 what is x/y 0/4 1
asked by jamilette 
4th grade
Why do you think Hopi indians may not have wanted to be converted to Christianity?
asked by Mahima 
5th grade math
how do change a percentage toa degees
asked by lola 
Algebra 2
I have to write a paper on Pascal's Theorum? What are some practical applications in the real world????
asked by Lisa 
Bio
What do insulin injections do for people with diabetes?
asked by Lena 
english
Who is Willie Lynch 1700
asked by Rimy 
Earth Science
Considering the amount of energy required to produce animalbased foods and goods, should humans change their habits so they consume products closer to the bottom of the food chain because it is more efficient? PLEASE HELP.
asked by Lori 
Spelling
Nail Hammer screw
asked by Nicole 
6th gradeScience
Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form vesicles that tranport materials.
asked by Eryn 
english
'Snow can sometimes threaten the lives of moutain people.' snow subject can helping verb sometimes adv. threaten action verb of moutain people prep.
asked by christina 
math
220  16 x 32
asked by kim 
7th grade
if 50 grams equal to 150 calories,how many grams equal to 1,000 calories
asked by anthony 
Science
one more thing how are centipedes different from insects, crustaceans, and arachnids?
asked by Uhave 
english
can't find the verb 'we could have done a better job.' we subject ???
asked by christina 
science
which electrons in an atom make chemical bonds? why
asked by Katherine 
Managerial accounting
For its fiscal year ending October 31, 2008, Molini Corporation reports the following partial data
asked by Keshia 
5th grade
how do crystals grow?
asked by wasu 
Geography
Natural resources not found in Arizona.
asked by Mahima 
math gr 7
1.9s+6=3.1s
asked by Leslie 
chemistry
which type of compound, ionic or covalent would you expect to have a higher boiling point? why?
asked by shakiela 
Math
Find the definite integral of the following using a suitable substitution: 1) (x^2)/sqroot(x^31)dx 2)xe^(x^2)dx 3)(ln(x))^(7/2)/(x)dx
asked by Andrew 
Calculus
Find the concavity and min and max for f(x) = x*sqrt(x^2+36) defined on the interval [4, 7]?
asked by Z32 
chemistry
how might you separate ionic from covalent
asked by shakiela 
language arts
I need help writing a thesis and outline dor divorced single mothers
asked by jerae 
Math
i need help
asked by Diamond 
english
the dinner tastes good. dinner subject tastes action verb
asked by christina 
music
5 ways to change a melody to an arrangement
asked by tom