Questions Asked on
July 28, 2013

physics
A 0.810 m long brass pendulum experiences a 18.0°C temperature increase. (a) Calculate the original period(s). (b) What is the change in the period(s)? (c) Find the ratio of the change in period to the original period, and calculate how long (h) a clock
asked by Justin 
Accounting
Materials used by Square Yard Products Inc. in producing Division 3's product are currently purchased from outside suppliers at a cost of $5 per unit. However, the same materials are available from Division 6. Division 6 has unused capacity and can produce
asked by Tee 
Please help CHEM
What is the Kc for the following equilibrium at 500∘C, N2(g)+3H2(g)⇌2NH3(g) [H2] = 0.50M , [N2] = 0.50M , [NH3] = 2.0M ?
asked by a 
physics
Suppose a diving board with no one on it bounces up and down in a simple harmonic motion with a frequency of 3.00 Hz. The board has an effective mass of 10.0 kg. What is the frequency of the simple harmonic motion of a 62.0 kg diver on the board?
asked by Justin 
Accounting
The Clydesdale Company has sales of $4,500,000. It also has invested assets of $2,000,000 and operating expenses of $3,600,000. The company has established a minimum rate of return of 7%. What is Clydesdale Company's profit margin? A.20% B.80% C.44.4%
asked by Tee 
Business Statistics
The U.S. Dairy Industry wants to estimate the mean yearly milk consumption. A sample of 16 people reveals the mean yearly consumption to be 60 gallons with a standard deviation of 20 gallons. a. What is the value of the population mean? What is the best
asked by Jan 
physics
A spring has a length of 0.260 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 1.90 kg mass hangs from it.(a) What is the force constant of the spring?(b) What is the unloaded length of the spring?
asked by Justin 
physics
When a pendulum with a period of 2.00000 s is moved to a new location from one where the acceleration of gravity was 9.80 m/s2, its new period becomes 1.99711 s. By how much does the acceleration of gravity differ at its new location? (m/s2)
asked by Justin 
Government
Which amendments... Extended civil rights? Extended individual rights (including voting rights)? Prohibited certain practices by states? Changed specific language in the Constitution?
asked by Anonymous 
Math
There are 8 standard classifications of blood type. An examination for prospective laboratory technicians consists of having each candidate determine the type for 3 blood samples. How many different examinations can be given of no 2 of the samples provided
asked by Gina 
physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of 20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by
asked by Justin 
Accounting
Chicks Corporation had $1,100,000 in invested assets, sales of $1,210,000, income from operations amounting to $242,000, and a desired minimum rate of return of 15%. The investment turnover for Chicks is: A.1.3 B.1.2 C.1.0 D.1.1
asked by Anonymous 
math
The number of customers that visit a local small business is 37,800 and has been continuously declining at a rate of 1.7% each year. What is the approximate number of customers that visit the business in 12 years?
asked by Caitlin 
arithmatics
On the Moon, a falling object falls just 2.65 feet in the first second after being dropped. Each second it falls 5.3 feet farther than in the previous second. How far would an object fall in the first ten seconds after being dropped?
asked by jazminne ramos 
algebra
Marcus has 72 feet of fencing. He wants to build a rectangular pen with the largest possible area. What should the dimensions of the rectangular pen be to maximize the area?
asked by ashley 
Accounting
The standard costs and actual costs for direct labor for the manufacture of 2,500 actual units of product are as follows: Standard Costs Direct labor 7,500 hours @ $12.00 Actual Costs Direct labor 7,400 hours @ $11.40 The amount of the direct labor rate
asked by Anonymous 
chem help!
The equilibrium constant, Kc, for the equilibrium N2O4(g)←→2NO2(g) is 4.6×10−3 . If the equilibrium mixture contains 5.0×10−2M NO2, what is the concentration of N2O4?
asked by Anonymous 
CalculusPLZ HELP STEVE!
Find the inverse Laplace transform of the following function: F(s)=(9+s)/(4s^2)
asked by Elyse 
Science
how does aldersterone maintain homeostasis of extra cellular fluid?
asked by Anonymous 
Statistics
True or False. Help please! Statistics' students of a class of Lyceum want to calculate the average number of chocolate pieces in a standard package of biscuits SANTAS. They choose a random sample of biscuits, measure chocolate pieces in each cookie and
asked by Andrew 
Math
From a standard 52 card deck, how many 5card hands will have all hearts?
asked by Jim 
physics
0.460 kg mass suspended from a spring oscillates with a period of 1.50 s. How much mass must be added to change the period to 1.95 s?
asked by Justin 
Calculus HELP
A particle is moving along the curve y=5 sqrt (2x+6). As the particle passes through the point (5,20 , its xcoordinate increases at a rate of 5 units per second. Find the rate of change of the distance from the particle to the origin at this instant.
asked by Anonymous 
Mathprobability
There are 8 standard classifications of blood type. An examination for prospective laboratory technicians consists of having each candidate determine the type for 3 blood samples. How many different examinations can be given of no 2 of the samples provided
asked by Tom 
Calc Help Please
if 2x^2+2x+ xy =2 and y(2)=5 find y'(2) by implicit differentiation
asked by Anonymous 
physics
A U.S quarter is rolling on the floor without slipping in such a way that it describes a circular path of radius R=4 cm. The plane of the coin is tilted at an angle of θ=45∘ with respect to the horizontal plane (see the figure below). Find the coin's
asked by Anonymous 
geography
purpose of sphere of influence of organisation that renders a service in an area eg. clinic, hospital
asked by chauke wisani 
Math
If x + 1 = 23, what is the value of 3x + 3 ?
asked by Nicole Wilson 
Math
In a horse race, how many different finishes among the first 3 places are possible if 10 horses are running.
asked by Jim 
Accounting
Moon Shoe Factory is an investment center and is responsible for all of their net income and the use of their assets. In 2012, the invested assets totaled $475,000 and net income was $115,000. What is the rate of return on assets? A.24.2% B.25.0% C.4.0%
asked by Tee 
Calc
if 2x^2+2x+ x = 2y and y(2)=5 find y'(2) by implicit differentiation
asked by Anonymous 
chemistry
STANDARD: Put into a clean 250 mL volumetric flask exactly ..... 0.90 ml of 1.00 mM iodate STANDARD. Add an excess of 1M KI and 1M Sulfuric Acid and let stand for 5 minutes. Dilute to volume. UNKNOWN: Pipet into a clean 250 mL volumetric flask 1.00 mL of
asked by faruk 
retail pharmacy assistant
the most important people to the success of a pharmacy are the? a.customers b.pharmacists c.doctors d.pharmacy assistants my answer is a when buying selfmedication ,customers who seek the advice of a pharmacy assistant can be sure that? a.they are leaving
asked by susue 
retail pharmacy assistant
customers often prefer shopping in a pharmacy instead of a chain store because pharmacies? a.ofter personalized service b.have lower prices c.never recommend products d.are self serve my answer is a
asked by susue 
retail pharmacy assistant
being a member of a health team allows the pharmacy assistant to? a.be a link between the doctor,the customer and the pharmacist b.recommend and dispense prescription drugs c.refer customers to a physician d.work without the supervision of the pharmacist m
asked by susue 
Informal Logic
recent study of 100 employees from six departments of a major corporation found 65% to be sleep deprived. The researchers concluded that the majority of corporate employees are sleep deprived. The researcher’s conclusion is suspect because it
asked by Anonymous 
POL 201 American National Government
1) Presidents often seek to control the federal bureaucracy by doing all of the following except: a) filling the top echelon of executive organizations with political appointees who share their values. b) assigning members of the White House staff
asked by John 
retail pharmacy assistant
pharmacy assistants should treat customers who require advice on personal matters as?\ a.firstly their customers and secondly their friends b.people who trust them with confidential information c.persons unlikely to become regular cuatomers d.persons who
asked by susue 
Physics
Help with the following ones: 221, 223, 224 Q2_1: QUIZ 2, PROBLEM #1 The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is fixed between walls at A and C and it is composed of two segments made of
asked by Insane 
retail pharmacy assistant
when a customer has a complaint the pharmacy assistant should ? a.apologize and hope no one notices b.try to rectify the problem without telling anyone c.report the problem to the pharmacist d.assume that the customer is in error my answer is c
asked by susue 
retail pharmacy assistant
as a pharmacy assistant you are working on correcting an offensive personal habit.this effort demonstrates your concern for? a.the pharmacist b.the customer c.your co workers d.yourself my answer is d
asked by susue 
Calculus
Let xy=1 and dy/dt=1 Find dx/dt when x=5
asked by Anonymous 
math
Michelle buys 18 oz ofa certain cereal for $1.14. What was the price per pound of the cereal to the nearest cent?
asked by m 
retail pharmacy assistant
whenever possible the successful pharmacy assistant should? a.extract personal information from the customer b.greet the customer by name .c.favour regular customers d.greet the customer with may I help you my answer is b
asked by susue 
Algebra
A ball is dropped from the top of a building that is 784 feet high. The height of the ball above ground level is given by the polynomial function h(t)= 16t to the second power + vot + ho where t is measured in seconds, vo is the initial velocity and ho is
asked by Julie 
calculus
Write the form of the partial fraction decomposition of the function do not determine the numerical values of the coefficients. 1/x^42401
asked by April 
retail pharmacy assistant
a pharmacy assistant can put customers at ease by? asking whether they need help b.asking details about their family c.showing interest and having a friendly attitude d.minimizing the seriousness of their illness my answer is c
asked by susue 
Math
Two WheelerDealer Bike Shop has a 22inch offroad racer on sale this month for $239.95. If the original price of the bike was $315.10, how much would a customer save by purchasing it on sale?
asked by April 
retail pharmacy assistant
when a customer askes for a product by name the pharmacy assistant must ? a.ask the customer what the product is for b.supply the product without any questions c.ask the pharmacist if the product is safe d.suggest in conversation the possible uses of the
asked by susue 
physics
Calculate the net work output of a heat engine following path ABCDA in Figure 14.30, where horizontal axis is V and each unit is 0.5*10^3 m^3, V1 = 1.0*10^3 m^3 and V2 = 4.0*10^3 m^3. The vertical axis is P(N/m^2); A is (1.0*10^3,2.6*10^6), B is
asked by Justin 
retail pharmacy assistant
when asked for an unknow product, the pharmacy assistant should? aask the customer what it is used for b.try to suggest a different product c.ssay I don't know ,but ill find out about it d.refer the customer to the pharmacist my answer is d
asked by susue 
physics
When 1.60 multiplied by 105 J of heat enters a cherry pie initially at 20.0°C, its entropy increases by 470 J/K. What is its final temperature (C)?
asked by Justin 
physics
(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable,
asked by Justin 
physics
(a) What is the best coefficient of performance for a heat pump that has a hot reservoir temperature of 50.0°C and a cold reservoir temperature of 20.0°C? (b) How much heat in kilocalories would it pump into the warm environment if 3.60 multiplied by
asked by Justin 
physics
While taking a plane flight to a meeting, a physicist decides to do a mental calculation of how much fuel the plane would consume in the absence of friction, assuming its engines have an efficiency of 22.0% and the mass of the plane is 200,000 kg. Each
asked by Justin 
physics
Two parakeets sit on a swing with their combined center of mass 15.0 cm below the pivot. At what frequency do they swing?
asked by Justin 
POL 201 American National Government
When the President vetoes a bill he (Points : 1)
asked by Stenohead 
math
find the domain, target, and rule of the inverse functions: 1. f(x)=(x+3)/(5x+2) 2. g(x)=1/square root of 2x1
asked by jasmine 
CHEM desperate help!
What is the Kc for the following equilibrium CO2(g)+H2(g)←→CO(g)+H2O(g) if [CO] = 0.32M , [H2O] = 0.26M , [CO2] = 0.30M , and [H2] = 3.3×10−2M ?
asked by Anonymous 
please help w/ chem hw
An equilibrium mixture at 225∘C contains 8.0×10−2M NH3 and 0.20M H2 for the reaction 3H2(g)+N2(g)←→2NH3(g) If the Kc at this temperature is 1.7×102, what is the equilibrium concentration of N2?
asked by Anonymous 
Statistics
There is a $2 raffle with a first prize of $10000, a second prize of $500, and a 3rd prize of $100. If 1000 tickets are sold find the expected value. How much should the raffle ticket cost to make this a fair game?
asked by Patty 
Math
If there are 366 volumes of a book and each volume comes once a week, lets say there have been already 307 volumes out then how many weeks will it take for rest of the volumes to come out? (How do I solve these type of questions?)
asked by Rin yamaguchi 
baking
regarding the blending method, which statement is false? A.Recipes typically call for baking soda or baking powder B.Blending method recipes exclusively on the use of pastry flour. C.Separately prepared wet and dry mixtures are combined. D. As a
asked by love 
physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
asked by Me 
Chemistry Please Help!!
according to lechateliers principle, would increasing the starting concentration of Ca2+ increase or decrease the amount of Ca(IO3)2 that dissolves???
asked by Kelly 
physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
asked by Me 
Grammar
Which is correct? How many cups of flour? Or How much (flour) do you need?
asked by Anonymous 
physics
Two boys and their father are balance on a seesaw. The father, 70kg, sits on one end 0.65m from the center of the seesaw while the two boys sit together on the other end. If each boy weighs 30kg, where should they sit?
asked by Me 
American History
Explain Wilson's initial policy at the outbreak of world war I and if they were a success or failure.
asked by Anonymous 
chemistry
A sample of an ideal gas at 1.00 atm and a volume of 1.31L was placed in a weighted balloon and dropped into the ocean. As the pressure had increased to 45.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
asked by rena 
math
There are 48 more chicken nuggets than fish nuggets on the plate. After some cildren ate 12 chicken nuggets and 12 fish nuggets there were 3 times as many chicken nuggets as fish nuggets. How many nuggets were there on the plate?
asked by Anonymous 
Physics  optics
the index of refraction of ruby is less than the index of refraction of diamond, Why?
asked by silent_klr 
physics
A pendulum with a bob of mass 30g is lifted to height of 5.00cm above its lowest point and allowed to fall so that collides elastically with a block of mass 20g that rests on a smooth horizontal floor. The block stops 5 seconds after the collision.
asked by Eryy 
Math
a+9b=19 a+2b=2
asked by Denise 
Math
9xy=31 x+8y=44
asked by Denise 
statistics
Can you please tell me how to solve for the following? Pedro took an exam in a class in which the mean was 64 with a standard deviation of 6. If his z score was +3, what was his exam score? A students commute to school is normally distributed with a mean
asked by Sandra 
Math
5xy=6 x+4y=18
asked by Denise 
probability
from a pack of 52 cards 2 cards are drawn,the first being replaced before second is drawn .find the probability that first is diamond and second is king
asked by Anonymous 
trig
Given that P=(1,8) and Q=(2,1), find the component form and magnitude of the vector 3 PQ.
asked by tony 
math
What is the volume of a box that can be created from a sheet of metal that measures 12 inches by 30 inches? Assume there is no top to the box.
asked by Steve 
physics
(a) A bathroom scale has a spring that is compressed by 1.50 cm when a 165 kg person stands on the scale. Assuming the spring is described by Hooke's law, find its force constant. (b) How much would it be compressed if a 94.0 kg person stands on the scale
asked by Justin 
physics
A spring has a length of 0.190 m when a 0.300 kg mass hangs from it, and a length of 0.750 m when a 2.80 kg mass hangs from it. (a) What is the force constant of the spring? (b) What is the unloaded length(m) of the spring?
asked by Justin 
math
If a circle had a circumference of 8.4 cm, what is the diameter of the circle to the nearest 0.1 cm?
asked by vincent 
physic
The velocity of cylinder which is released from rest on Ө degree incline after it has rolled through a distance l is given by
asked by ripon 
chemistry 2
Calculate the relative concentrations of oethylbenzoic acid (pKa 3.79) and potassium oethylbenzoate that are needed to prepare a pH 4.0 buffer I know to set up hassle equation but when i get .21=log[a/ha] i get lost because i was not given
asked by amber 
math
I flipped a coin 25 times. So since I got heads 15 times, does that mean that the percent of times i got heads is 60%? Yes or no
asked by Anonymous 
math
How do I find 60% of 25?
asked by Anonymous 
calculus
Find the inverse Laplace transform of the function: F(s)=1/(s(s+1)(s+2))
asked by Amy 
Calculus!!
Using the identity: L{f(t)/t}=integral F(p)dp (s >infinity), find the integral of: sin(t)/t dt (0>infinity)
asked by Sara 
physics
When 1.60 multiplied by 105 J of heat enters a cherry pie initially at 20.0°C, its entropy increases by 470 J/K. What is its final temperature?
asked by Justin 
physics
(a) How much heat flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change in entropy due to this heat transfer? (c) How much work is made unavailable, taking the lowest
asked by Justin 
medical billing
Female admitted for chronic diarrhea and dehydration history of herpes zoster right upper extremity leading to monoparesis she has been treated with heavy doses of neorontin with no significant change xrays shoe lingular and left loer lobe pneumonia and
asked by Anonymous 
problem solving
100 guests each guest needs 3 m2 of space average density of the area is 10kg/m2. how much space does the dining room take up?
asked by Bob 
physics
When 1.60 multiplied by 105 J of heat enters a cherry pie initially at 20.0°C, its entropy increases by 470 J/K. What is its final temperature (C)? I use delta S = entropy change = 1.6*10^5*[1/293  1/T2] = 470 Solve for T2, but it's not correct. Please
asked by Justin 
fnite math
Juan invested $24,000 in a mutual fund 5 years ago. Today his investment is worth $34,616. Find the effective annual rate of return on his investment over the 5year period.
asked by Brian 
Finite math
The manager of a money market fund has invested $4.2 million in certificates of deposit that pay interest at the rate of 5.4%/year compounded quarterly over a period of 5 years. How much will the investment be worth at the end of 5 years?
asked by Brian 
Chemistry
At 125 degrees Celsius, the pressure of a sample of He gas is 345 mmHg. At what temperature degrees Celsius will the pressure become 690 mm Hg, if the volume remains constant?
asked by Hanna 
macroeconomics
b. Now suppose that the gross national debt initially is equal to $2.5 trillion and the federal government then runs a deficit of $100 billion: i. What is the new level of gross national debt? ii. If 100 percent of the deficit is financed by the sale of
asked by brian 
western civilization
discuss the reasons for Martin Luther’s break with the Catholic Church and his “radical” views on the role of the Papacy, the road to salvation, and the special nature of the priesthood
asked by tea 
HELP
Help with the following ones: 214, 221, 223, 224, 225 Q2_1: QUIZ 2, PROBLEM #1 The shaft ABC is a solid circular cylinder of constant outer diameter 2R and length 3L. The shaft is fixed between walls at A and C and it is composed of two segments
asked by AMK 
western civilization
Niccolo Machiavelli, author of "The Prince", is considered to be the first modern political theorist. Why is Machiavelli considered the first modern political observer and discuss his ideas on the relationship between the Prince and God; the importance of
asked by tea 
ENN103F
What do you think is an effective way of fighting corruption?
asked by Dineo 
physics
(a) How much heat (J) flows from 1.00 kg of water at 46.0°C when it is placed in contact with 1.00 kg of 18°C water in reaching equilibrium? (b) What is the change(J/K) in entropy due to this heat transfer? (c) How much work (J) is made unavailable,
asked by Justin 
physics
Calculate the net work output of a heat engine following path ABCDA in Figure 14.30, where horizontal axis is V and each unit is 0.5*10^3 m^3, V1 = 1.0*10^3 m^3 and V2 = 4.0*10^3 m^3. The vertical axis is P(N/m^2); A is (1.0*10^3,2.6*10^6), B is
asked by Justin 
physics
When 1.60 multiplied by 105 J of heat enters a cherry pie initially at 20.0°C, its entropy increases by 470 J/K. What is its final temperature?
asked by Justin 
algebra
Can someone help me simplify this rational expression x^225 /x^23x10 Please show step by step examples. thank you
asked by Alaska Diamond 
algebra
the product of 9/x1 * 7/x3
asked by Alaska Diamond 
algebra
what is the quotient of. please show step by step x+4/x1 / x^2+x/x1
asked by Alaska Diamond 
algebra
can someone help me find the difference of 3/2x1  5/2x1 please show step by step process please
asked by Alaska Diamond 
Algebra
Find center, vertices, foci. (x+4)^2/36 + (y3)^2/100 =1
asked by tony 
retail pharmacy assistant successful selling
an excuse is ? a.a valid reason for not buying b.a weak reason for not buying c.always stated more than once d.the same as an objection my answer is b
asked by susue 
retail pharmacy assistant successful selling
besides the pharmacist and coworkers,another important source of product knowledge is the? a.pharmaceutical company representatives b.regular customers c.local physicians d.medical publications my answer is a
asked by susue 
Calculus
At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 23 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per
asked by Anonymous 
Accounting
The St. Augustine Corporation originally budgeted for $360,000 of fixed overhead. Production was budgeted to be 12,000 units. The standard hours for production were 5 hours per unit. The variable overhead rate was $3 per hour. Actual fixed overhead was
asked by Anonymous 
creative develpoment
a major goal of any curriculum is to enable children to become: a. divergent thinkers b. mature adults c.self focused d. humanist
asked by Anonymous 
Accounting
The standard costs and actual costs for factory overhead for the manufacture of 2,500 units of actual production are as follows: StandardCosts Fixed overhead (based on 10,000 hours) 3 hours @ $.80 per hour Variable overhead3 hours @ $2.00 per hour Actual
asked by Anonymous 
Calc
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^1.4=C where C is a constant. Suppose that at a certain instant the volume is 670 cubic centimeters and the pressure is 97 kPa and is
asked by Anonymous 
problem solving
How much space does the dining area take up? 100 guests, each guest requires 3m2 in the dining area, the average mass of each guest is 65 kg, and the average density of the dining area is 10kg/m2 How I can resolve this problem?
asked by Bob 
Math
I am a two digit even number. I am less than 30. When you list out all of my factors, they add up to 60. who am I?
asked by Matthew 
chemistry
You pipet your UNKNOWN into a reaction tube.... 4.00 mL Add a "boat" containing Manganese Dioxide, MnO2 Set up the gas collection apparatus shown on the right. You sink the boat and allow the oxygen generated to collect in the collection flask. The water
asked by faruk 
finance
A thirtyyear U.S. Treasury bond has a 4.0 percent interest rate. In contrast, a tenyear treasury bond has an interest rate of 3.7 percent. If inflation is expected to average 1.5 percentage points over both the next ten years and thirty years, determine
asked by Jon