Questions Asked on
July 6, 2011

Operations Management
Joe Henry's machine shop uses 2,500 brackets during the course of a year. These brackets are purchased from a supplier 90 miles away. the following information is known about the brackets. annual demand 2,500 holding cost per bracket per year $1.50 order
asked by Jeff 
phy
An archer shoots an arrow horizontally at a target 14 m away. The arrow is aimed directly at the center of the target, but it hits 52 cm lower. 1What was the initial speed of the arrow? ** is this the formula for finding t : y=h1/2(gt^2)=
asked by pop 
Chem
a blue solution of copper(II) sulfate is mixed with a colerless solution of sodium phosphate and a blue percipitate is formed. Using solubility rules predict the formula of the percipitate
asked by Jessica 
chemistry
For the reaction Ba(OH)2+2HCLO3 > Ba(CIO3)2+2H2O calculate the no. of mole of H2O formed .when .01 mole of Ba(OH)2 is treated with 0.0250 moles of HCLO3
asked by solution... 
Statistics
According to a study several years ago by the Personal Communications Industry Association, the average wireless phone user earns $62,600 per year. Suppose a researcher believes that the average annual earnings of a wireless phone user are now higher and
asked by Feifer 
physics
two air carts of mass m1=0.84kg and m2=0.42kg are placed on a frictionless track. cart1 is at rest and has a spring bumper of constant force F=690N/m.cart2 has a metal bumper and moves towards cart1 with a speed V=0.68m/s. A) what is the speed of the two
asked by said 
Chemistry
The following standard free energies are given for 25 degrees celcius. 1) N2(g) + 3H2(g)> 2NH3(g) delta g = 33.0 kJ 2) 4NH3(g) + 5O2(g)> 4NO(g) + 6H20() delta g = 1010.5 kJ 3) N2(g) + o2(g)> 2NO(g) delta g = 173.1kJ 4) N2(g) + 2O2(g) > 2NO2(g) delta
asked by K 
chemistry
>I have been trying to run some very simple structures to ensure that NBO is installed properly for my Firefly program (and to get familiar with using it). Trying to use acetaldehyde and DMSO as simple test cases I seem to be getting some errors that state
asked by G SAIKRISHNA 
MATH
A CAR TRAVELS 432 KM ON 48 LITERS OF PETROL . HOW FAR WOULD IT TRAVEL ON 28 LITERS OF PETROL ONLINE SOULATION
asked by ANKIT 
Geography
How do you think the existence of nearly 3,000 ethnic groups and 800 languages affect life in countries south of the Sahara? The countries south of the Sahara show more diversity and variety of culture than anywhere in the world. This region speaks more
asked by Chandler 
sci 207
The idea of tectonic plates shifting across the earth’s surface is central to explanations of geologic processes. Why is this idea still called the “theory” of plate tectonic movement
asked by tamika 
Geography
How has the Suez Canal been a catalyst for nationalism in Egypt? When the Suez Canal Company was nationalized on July 26, 1956 by Egypt's president, Gamal Abdel Nasser, he became a hero. He remains an iconic figure in the eye of many people in the Arab
asked by Chandler 
geometry
In rectangle ABCD, if the coordinates of A are (0, 0) and the coordinates of C are (r, s), find the coordinates of B.With A and D being on the bottom line and B and C on the top with B over A.
asked by leah 
physics 3U
An arrow is accelerated for a displacement of 75cm [fwd] while it is on the bow. If the arrow leaves the bow at a velocity of 75m/s [fwd], what is the average acceleration while on the bow?
asked by sonya 
MATH
A CAR TRAVELS 432 KM ON 48 LITERS OF PETROL . HOW FAR WOULD IT TRAVEL ON 28 LITERS OF PETROL
asked by ANKIT 
chemistry
when 400g of a 20% sol. by weight was cooled ,50g of solute percipited .the percentage concentration of remaining solution
asked by solution... 
geometry
"Triangle DEF is similar to triangle ABC, and the length of side DE is 6 cm. The length of side AB is 2 cm. If the area of triangle ABC is 5 square cm, what is the area of triangle DEF?
asked by Anonymous 
English
Circle the direct objects and underline the indirect objects in the following sentences: 1.My Aunt Ruth collects cookie jars. 2.Last year, I gave her a cookie jar for her birthday. 3.She served us a tasty meal afterwards. 4.I have just bought her another
asked by Bernadette 
chemistry
Ammonia gas is passed into water ,yielding a solution of density 0.93 g/cm^3 and containing 18.6% NH3 by wieght .The mass of NH3 per cc of the solution is?
asked by solution... 
algebra
The sum of the angles of a triangle is 180 degrees. If one angle measures x degrees, a second angle measures 3x degrees, and a third angle measures 7x degrees, express the measure of the fourth angle in terms of x.
asked by nicole 
Physics
At what angle is an object launched if its initial vertical speed is 3.75 m/s and its initial horizontal speed is 4.50 m/s?
asked by Annie 
trig
1=2pi times the square root of (L/9.8)
asked by Mani 
Math(Pre=Calc)
The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn  tn1 = 3n 2. Determine the value of t50.
asked by Kate 
Physics
1. Water with a mass of 2kg is held at constant volume in a pressure cooker. 10,000 J of energy is added from the heater inside the pressure cooker. The container is not terribly well insulated, so the container leaks 2000 J of energy to the surrounding
asked by Tina 
Resources For Educating Young Children, Part 1
I know that I asked you about question 3 but I changed my mind 3. Which one of the following is true regarding group activities? a) Its not necessary for each child to participate b) a role should be planned for each child in the activity c) activities
asked by beth 
math
a salesperson ears a salary of 17,000 per year. she also makes a commission of 14% on her saes. if her sales for the year total $120,000, how much money was she paid for the year?
asked by bob 
Algebra II
Give the equations of any vertical asymptotes for the graphs of the rational functions. f(x)=(3x³+6x6)/(x²+3x10)
asked by Reanna 
Internet Virtual Communities
I need help on explaining how cyber bullying relates to virtual communities for a paper that I need to write.
asked by Megan 
Physics
Find the magnetic flux through a circular loop 6.0 cm in diameter oriented with the loop normal at 50 degrees to a uniform 60 mT magnetic field.
asked by Debra 
Math
2. Your firm is considering two projects: Project A and Project B with the following cash flows: A YEAR B YEAR $75 0 $60 0 $15 1 $20 1 $33 2 $13 2 $44 3 $15 3 $55 4 $18 4 a. Calculate the NPVs based on WACCs of 5% and 7% b. What are the IRRs based on the
asked by Michelle 
english/phonlogy
I need help in a project. I'm teaching a group of german students and I have noticed they say things like 'dis' and 'lai' instead of 'this' and 'lie'. I should identify the phonology problem and explain it precisely what it is. Please, can someone give me
asked by heidi 
solid mensuration
circle c has radius of 10 cm. each of the points B and D is on yhe midpoint of the radius. find the shaded area.
asked by hanah 
chem
What pressure (atm) is exerted by a column of ethanol 86.0 cm high. The density of ethanol is 0.789 g/cm3 and 9.8 m/s2 as your gravitational constant.
asked by Tim 
statistics
The average score on a standardized test is 500 points with a standard deviation of 50 points. If 2,000 students take the test at a local school, how many students do you expect to score between 450 and 550 points?
asked by Anonymous 
calculus 2
Express the given parametric curve by an equation in x and y, then sketch the curve. (a) x = 2 tan t, y = 3 sec2 t − 4, for − 2 < t < 2 . (b) x = 2et + 1, y = 3et + 2.
asked by dayo 
geometry
line xy bisect and is perpendicular to AB and CD. AB=6 and AP=5 what is the length of XY.?
asked by shukri 
QUESTION ABOUT JISHKA
Do you guys have a tutor that specialized in computer science? I would expect that you guys would but I just wanted to make sure. I was wondering if any of the tutors knows the MATLAB programing language?
asked by George 
physics
Q The distance from A to B is l. A plane flies at constant speed v relative to air along straight line from A to B & then from B to A. Calculate total time taken for his round trip, if a wind is flowing in three directions of wind velocity (u) I)along
asked by mamta 
how to make $60 two ways using 3 coins
How do I make $60 oly using 3coins in 2 ways?
asked by fa n 
grammar
Why do you need to use appropriate punctuation including plurals and progressives in writing
asked by CArlene 
English
Could you please check these statements, please? Thank you very much. 1) When the monster comes to life, Victor is horrified by the monster's physical appearance. 2)His pearly white teeth and shiny black hair contrast with his dull, yellow eyes, shrivelled
asked by Henry2 
English
Could you please check these few statements about the deportation/transportation of the Jews to concentration camps, please? 1) When did the persecution of the Jews (the Jewish people') begin? It began on April 1, 1993 when the Nazis organized a boycott of
asked by Henry2 
Class 12th Application of Derivatives
Find a point on the parabola y = (x4)^2, where the tangent is parallel to the chord joining (4,0) and (5,1). Solve this question using Lagrange's theorem. Answer is (9/2,1/4)
asked by Akash 
algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 4x + 4y = 36 4x + 4y = 12
asked by tom 
English
Could you please check these few other sentences? Thank you. 1) Can you refer to the most prominent episodes of the Second World War? 2) In what historical context did we mention the intervention of the Royal Force? Who was the Battle of England won by?
asked by Henry2 
management of Institutional Risk
Describe the three types of organizational risk. Provide examples of each from your own organization. Which risk poses the greatest threat to your organization?
asked by Booboo 
chem
What pressure (atm) is exerted by a column of ethanol 86.0 cm high. The density of ethanol is 0.789 g/cm3 and 9.8 m/s2 as your gravitational constant.
asked by Carol 
math 111c
how long will it take for $2600 to grow to $20,400 at an interest rate of 6.1% if the interest is compounded continuously?
asked by shawn 
CHEMISTRY LAB
determine Fe3+ in a solution that may be in the 0.0001 to 0.0005 M range.outline a spectrophotometric method that would accurately give the required data. be specific about the solutions that you would use.
asked by Equilibrium 
Economics
Discuss the role of advertising in product differentiation and the intent of advertising in altering the firm’s demand curve
asked by Geri 
Algebra 2
Provide an appropraite response. If y varies inversly as the 4th power of x and y=3 when x=2, what is y when x=0.5? If Q varies inversly as the sqaure root of R and Q=2 whe R=4, what is Q when R is 25?
asked by CC 
Algebra II
Give the equations of any horizontal asymptotes for the graphs of the rational functions. h(x)=(7x²8x5)/(8x²3x+9) g(x)=(x²+4x8)/(x8)
asked by CC 
algebra 2
Solve the problem. The profit made when t units are sold, t>, is given by P²36t+320. Determine the number of units to be sold in order for P>0 (a profit is made). The future value of $6000 invested for 5 years at rate r, compounded annually, is given by
asked by aj 
algebra 2
Solve the problem. The profit made when t units are sold, t>, is given by P²36t+320. Determine the number of units to be sold in order for P>0 (a profit is made). The future value of $6000 invested for 5 years at rate r, compounded annually, is given by
asked by aj 
business math
about sequence and series
asked by sony 
Chemistry
If a liter of a buffer is prepared with a final concentration of .3M monosodium phosphate and .5M disodium phosphate, what is the pH of this buffer? (Hint: Which is conjugate acid (HA) and conjugate base (A)? What's the pKa for this particular pair of HA
asked by Shaun 
world history
why was the ice age a time of abundance
asked by aleksandra 
math
A 2005 Honda minivan can travel 240 miles in the city on 4 gallons of gas. Find the amount of gas required for 360 miles of city driving. (hint: use a proportion).
asked by leigh 
psy 240
are neurons there throughout your entire body or just in the brain?
asked by sam 
help me Damon!! :)
Determine whether the pairs of sets are equal, equivalent, both, or neither. A = {7, 9, 10}, B = {a, b, c}
asked by Jen 
english
Could you check these sentences for me and see if this is correct. The pronouns are in bold. Thanks so much
asked by noname 
economics
How does economy relate to social studies?
asked by Anonymous 
Geometry
M and N are the midpoints ofandrespectively. Using graph paper, repeat this process from the last problem using different coordinates for P, Q, and R. How do these lengths MN and PQ compare now? What do you think you can conclude about the lengths of these
asked by Chris 
sci 207
Geologists are responsible for identifying and mapping mineral resources. But mineral resources are buried below the soil and covered with vegetation. How do you suppose geologists in the field find clues about the distribution of rock types?
asked by tamika 
is Ms Sue there please?
Hi I have this other newspaper article and i have to summarise it. I have summarised it but i need to make it longer and there is a separate question where I have to state why it has become an issue using the article...please help: Dark Age May Envelope WA
asked by Crissy XD 
childhood
what is the answer i just can't get it? A child's ________ is supported when a good fit exists between his or her needs and abilities and what the environment expect and provides. A. intelligence quotient B. adaptive C. capacity D. optimal development
asked by red 
Resources For Educating Young Children, Part 1
I was wondering if you could please help me My questions are 3. Which one of the following is true regarding group activities? a) Its not necessary for each child to participate b) a role should be planned for each child in the activity c) activities
asked by beth 
Civics
_____ States supported the _____ Plan, which called for a bicameral legislature in which States would be represented according to their population. A. Slave, ThreeFifths B. Larger, Virginia C. Northern, Connecticut D. Smaller, New Jersey
asked by Bee 
Science
Find the length of an inclined plane that will reach a platform 8ft high and form 16degree with the ground
asked by Radzfar 
Strayer
What are the type of finance accounting sheets for proposals
asked by Lucy 
accounting
What are some key elements of activitybased costing? I already know what activitybased costing is, I just do not understand what the key elements are.
asked by Nick 
geometry
What is the perimeter of the rhombus PQRS with RS=14 and height=10?
asked by edgar 
maths
what is the product of place value of 4 and face value of 2 in 949209
asked by pratul 
algebra
Determine whether 14 is a solution of the equation 6(x  2)= 70
asked by Tina 
English
I forgot to include the following statements. Thank you for your help. 1)A Jewish council was established to regulate the internal life of the ghetto. 2)Jews were regularly sent to either a concentration camp or a death camp. After Kristallnacht the number
asked by Henry2 
algebra
Solve by factoring: 10t^2 – t − 2 = 0
asked by gina 
algebra
It is possible for a quadratic equation to have no realnumber solutions. Solve. t^2+10t+26=0
asked by gina 
m
=Add the complex expressions,and simplify. (4+79i)+(5+73i)
asked by Ms.Ellis 
English
Can you please check grammar and punctuation mistakes? Thank you 1) When did the persecution of the Jews (the Jewish people) begin? It began on April 1, 1993, when the Nazis organized a boycott of all Jewishrun businesses. 2) When were the Nuremberg Laws
asked by Henry2 
MATH
Determine whether the pairs of sets are equal, equivalent, both, or neither. A = {7, 9, 10}, B = {a, b, c}
asked by Jen 
help
hi wanted to know if you guys could help my friend.the only thing is he justs writes in spanish
asked by george 
English
Could you please check these other sentences on the same theme? Thank you. I tried to revise the punctuation myself. 1) A Jewish council was established to regulate the internal life of the ghetto. 2) Jews were regularly sent to either a concentration camp
asked by Henry2 
maths
factorize the following. 1) 4x^22x+5=0 2) 6x^2+5x4=0 3) x^2=3x 4) x(x3)=2 5) 4x^2+11x=6
asked by shakira 
MATH
Please help me with this!! The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn  tn1 = 3n 2. Determine the value of t50.
asked by ANONYMOUS 
Geometry
Use the diagram below for the following question. P(2,1), Q(11,1), and R(8,7) M and N are the midpoints ofandrespectively. Find MN and PQ. How do these lengths compare with each other?.
asked by Chris 
English
Hello. Please help me again. 1)I know it's possible to say "They entertained us to dinner", but is it possible to say "they entertained us to pizza" or "we were entertained to a cake"? 2)I asked a similar question, but if I change the structure, will I
asked by Ilma 
algebra
Create a unique example of dividing a polynomial by a monomial and provide the simplified form. Explain, in complete sentences, the two ways used to simplify this expression and how you would check your quotient for accuracy. please explain :/ i only
asked by JoJo 
management of Institutional Risk
How can organizations identify risk? Is one method more effective than another? Why or why not?
asked by Booboo 
cal
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪsquare rootx lnx dx
asked by renee 
Geometry
What is Two capital letters printed in sequence
asked by Chris 
Health
Does prevalence of disease increase as chronic disease increases. Prevalence is total no. of cases/total no. of risk factors of disease in the population over a period of time.
asked by Linda 
physical
At what angle is an object launched if its initial vertical speed is 3.75 m/s and its initial horizontal speed is 4.50 m/s?
asked by Annie 
phi103
Truth tables can? display all the possible truth values involved with a set of sentences. determine what scientific claims are true. determine if inductive arguments are strong. determine if inductive arguments are weak
asked by suzette 
science
what is the velocity of a body moves from rest moves the distance of 10 m. and acceleration 2 m/s/s?
asked by paul 
world history
Was there any presidents of the United States who faced trouble during their time as president?
asked by cy 
Algebra II
Use analytical and graphical methods to solve the inequality: x©ø+10x©÷+31x¡30 (2x)/(x+1)¡(4)/(x3)
asked by N/A 
Algebra II
Give the equations of any vertical asymptotes for the graphs of the rational functions. f(x)=(x4)/(x²+7)
asked by Reanna 
statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The
asked by Dorothy 
grammar
When posting dates on a sign is it August 910 or August 9th  10th?
asked by Anonymous 
arithematic sequence
Find the General term tn if t5=10 and t20=5
asked by anonymous 
please help!!! im so confused!!!
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
asked by Jen 
Math
Add the complex expressions,and simplify. (4+79i)+(5+73i)
asked by Ms.Ellis 
CALCULUS
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx
asked by renee 
CALCULUS
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪx^5 Lnx dx
asked by renee 
calculus
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪãx lnx dx
asked by renee 
MATHPlease help me :(
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
asked by Jen 
Math
Short answer: simplify the following expression,and rewrite it in an equivalent form with positive exponents. (9x^3)^3
asked by Ms.Ellis 
physics
How many electrons does a 3.05 kg of water have?
asked by G 
English
Could you please check if everything is OK? Thank you. 1)Where does the world Holocaust originate and what do you associate it with? 2)George Best's parents recognized their son's love for football from an early age. 3) He started playing for the local
asked by Henry2 
Mathcan u help me bob pursley???? :)
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
asked by Jen 
trig
sin^2(3 theta+5pie)+cos^2(3 theta+5pie)= ?
asked by Anonymous 
geometry
B is the midpoint of A and C. If BC=3x2, and AC=54, find the value of x. Show all work
asked by cassie 
MathMs. Sue
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
asked by Jen 
Math
1. Bob’s Country Bunker (BCB), a chain of economically priced motels in the Midwestern United States has reviewed its current target structure of 40% debt and 60% equity. It can issue debt at a rate of 9%. The last dividend paid on its stock was $1.25.
asked by Michelle 
Law
I have to find key political words for this newspaper article so please check whehter the words i listed is right in the bottom and if there is anything i should add: Government contributes $9m for soldier protection Published on Tue, 14/06/2011, 11:45:04
asked by Crissy XD 
statistics
calculate the correlation for data set A. Data Set A: xi = 65, 55, 50, 45, 35 yi= 44, 52, 68, 20, 36 I know how to find the mean, variance, standard deviation, and zscore. The part I am having trouble finding is the ZxiZyi. In the chart that I have to
asked by Hannah 
MathDamon help please :(
Let U = {0, 1, 2, 3, 4, 5,...}, A = {1, 2, 3, 4,...}, B = {4, 8, 12, 16,...}, and C = {2, 4, 6, 8,...}. Determine the following: A′ ∩ C
asked by Jen 
English
I forgot to include the following few sentences. Thank you. 1) Virginia Woolf abandoned the traditional technique of novel writing for a new, more modern form. 2) What did she turn to? She turned into an interior monologue* . In her need to shift back and
asked by Henry2 
chemistry
calculate the pH of a 2.0 M solution of KCl.
asked by chelsea 
Math
The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn  tn1 = 3n 2. Determine the value of t50.
asked by help!!!!!!!!!! 
programming
I'm an armateur!how do i write a program on my laptop?
asked by Malosky 
math
simplify: cd/dc
asked by geekgirl95 
Cal
USE INTEGRATION BY PARTS TO FIND EACH INTEGRAL ƪxe^2x dx
asked by renee 
Database application
Define database elements: field, record, table
asked by Anthony 
economics
What is the role of economic theory in the way economies are run today? I need some concrete examples.
asked by hannah 
Physics
Find the length of an inclined plane that will reach a platform 8ft high and form 16degree with the ground
asked by Radzfar 
math
How did math originate?
asked by Cynthia 
math
If a car is traveling at 55 mph in one direction, how long would it take to decelerate, turn around, and catch up with another car going at a steady speed of 100 mph in the opposite direction?
asked by Robin 
business
five secific events that can be expected to cause the equilibrium price of a good to increase?
asked by Jaden 
science
how far you will move in 20 seconds if your acceleration at 2m/s/s?
asked by paul 
science
how many seconds you will reached the distance of 200 m. if your acceleration at 2m/s/s?
asked by paul 
English 102
Write an introduction for your research paper that draws in readers.
asked by Geovanda 
Psychology
In what ways are personology and attribution theory related?
asked by Linda 
chemistry
i have aproblem in balancing equations
asked by nidhi 
statistics
For a population that has a standard deviation of q0, figure the standard deviation of the distribution of means for samples of size(a)2,(b)3,(c)4,(d)9.
asked by Dorothy 
English
could you review this for me and provide feedback. I have an assignment that states I need to write my thesis statement then write paragraphs that support this. This is only a draft and I would welcome any comments. Thesis Statement: Even though having a
asked by Student 155 
maths
what is the product of place values of 5 & 0 in 95120
asked by pratul 
maths
what is the difference in the place values of 3 in 432139
asked by pratul 
maths
what is the product of place values of 7 and 1 in 237010
asked by pratul 
probability
This is a two part question..... 2. How many ways can you arrange the letters A,B,C,D,E without repetition? 3. How many of the arrangements start with a C or end in an A?
asked by Shay 
chemistry
complete and balance the following : Zn(s)+HCl(aq)> Zn(s)+Cu2+(aq)>
asked by Anonymous