Questions Asked on
August 17, 2010

Chemistry APDensity
The density of osmium is 22.57g/cm3. If a 1.00kg rectangular block of osmium has two dimensions of 4.00cmx4.00cm, calculate the third dimension of the block.
asked by Victoria 
Chemistry
Any help would be great on the below problems. I am not sure where to begin. How do I solve these? Do I use a formula? 1. You are asked to make 500.0 mL of a 4.5M solution of HCl, but the only HCl you have available to dilute is 18.0M. Describe how you
asked by Ashley 
Precalculus
If c= 16 and B= 67 degrees, find a.
asked by Danielle 
chem
What are the similarities and differences between the hydrogen atom 2s and 3s orbitals? a) What are the similarities and differences between the hydrogen atom 2s and 3s orbitals? b) What are the similarities and differences between the 2s orbital and a 2p
asked by gabyj 
physics
the small 2kg block A slides down the curve path and passes the lowest point B with a speed 4 m/s. If the radius of the curvature path at B is 1.5 m, determine the normal force N exerted on the block by path at this point. Is knowledge of the friction
asked by samad 
statistics
Do bonds reduce the overall risk of an investment portfolio? Let x be a random variable representing annual percent return for the Vanguard Total Stock Index (all Stocks). Let y be a random variable representing annual return for the Vanguard Balanced
asked by Karen 
Allied Health
According to the AMA, what is the key reason behind a physician's duty of confidentiality to a patient? A. The U.S. Consititution requires a physician's confidentiality. B. The patient will feel more confident in disclosing information to a physician. C.If
asked by Harv 
Calculus 2b
A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=1t^(1/2)+1 . Find the car's average velocity (in m/s) between t=2 and t=6. ? I am lost!
asked by Mary 
verbs
In heaven there are many mansions. "are" is the verb right
asked by erik 
chem
A small “coffee cup” calorimeter contains 110. g of H2O at 22.0°C. A 100. g sample of lead is heated to 90.0°C and then placed in the water. The contents of the calorimeter come to a temperature of 23.9°C What is the specific heat of lead?
asked by gaby 
home inspection
which of the following is the best reason for a home inspector to have a set procedure for the inspection process. A.it keeps the inspector in control of the client B.it helps the inspector gain assignments from real estate attorneys C.it helps the
asked by sib 
statistics
2. Assume that the population proportion of adults having a college degree is 0.35. A random sample of 200 adults is to be selected to test this claim. A) What is the shape, mean, and standard deviation of the sampling distribution of the sample proportion
asked by Natasha 
sentence structure
which conjunction word would best combine the two sentences together. then or until. i would prefer "until" is that ok For centuries people ate with their hands. A change finally occured in the 1100's when people used utensils.
asked by Amy 
verbs
A signed warned drivers about falling rocks along the street. in this sentence would the only verb be warned because falling is an adj describing rocks
asked by erik 
chem
(a) Arrange the following pairs of covalently bonded atoms in expected order of increasing bond polarity: CN, PCl, ICl, and CO. (b) for each pair, indicate the direction of the polarity of the bond, using the symbol +.
asked by gabyj 
math
For a certain experiment, a student requires 100 cubic centimeters of a solution that is 8% HCI. The storeroom has only solutions that are 15% HCI and 5% HCI. How many cubic centimeters of each available solution should be mixed to get 100 cubic
asked by Mary 
Write the equations
Write the equations that show the processes that describe the first, second, and third ionization energies of a tellurium atom.
asked by gabyj 
Geometry
AM is a median of a triangle where A is one vertex and M is the midpoint of a side of a triangle opposite vertex A. If the distance from the centroid of the triangle to M is 5 units, how long is the median AM I have: The centroid, is the balance point, or
asked by Brendan 
statistical psychology
Do students at various universities differ in how sociable they are? Twentyfive students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.
asked by Anonymous 
statistics
What is meant by the 95% confidence interval of the mean ? That 95% of my sample is OK to do more tests. That I am 95% confident that the confidence interval will contain the parameter being estimated. That 5% of my sample is not OK. That I am 95% sure
asked by Karen 
business law
The following question requires you to write an answer in paragraph form. Fidelity Mortgage sells a mortgage on Doug Quicksilver's home to Enterprise Bank. Enterprise erroneously pays the real estate taxes on the home. When Enterprises demands
asked by neejoo 
algebra
Find the variation constaant and an equation of variation where Y varies directly as X and Y = 72 hen X = 8 The variation constant is K = ? The equation of variation is Y = ? I think that K = 9 but not sure I don't have a clue about the rest.
asked by Lori 
chemistry
What happens when 4ml of 1M HCL is added to 100ml buffer made using 5ml 1M Na2HPO4 and 5ml 1M NaH2PO4? The pKa for H+ + HPO4 = H2PO4 is 6.82.
asked by matt 
American Government
the principle of checks and balances is based on the noion that
asked by Anonymous 
Algebra 2
Find the value of K so that the point P lies on the line L. 1. P(2,1), L: 3x + Ky = 8 2. P(2,2), L: Kx + (K + 1)y = 2 Help me i have no idea how to do this! :[
asked by Jessica 
8th grade
robert has a piece of twine 3/4 yards long. he needs a piece of twine that is 2/3 of this length. how long of a piee of twine does robert need?
asked by natalie 
math
A rectangular Persian carpet has a perimeter of 240 inches. The length of the carpet is 30 inches more than the width. What are the dimensions of the carpet? Use P = 2L + 2W.
asked by James 
capitalization
i have a doubt if "the" should be capitalized in this sentence: Thomas Jefferson wrote the Declaration of Independence for our country.
asked by lara 
Algebra 2
how do i do these problems???? Graph each pair of equations in the same coordinate plane. Find the coordinates of the point where the graphs intersect. Then show by substitution that the coordinate satisfy both equations. 1. 2x + 5=0 2x + y=8 Graph each
asked by Jessica 
Algebra
If a pro basketball player has a vertical leap of 25 inches, what is his hang time? Use the hang time function V = T^2 Hang time is _________ seconds. Simplify the answer. Type an integer or a decimal Round to the nearest tenth. The answer I came up with
asked by Lori 
physics
A 120V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. (a) Find the current in the motor. I got the same answers,17.5 A, whether I used round
asked by blast 
Earth Sciencs
What are the different types of seafloor sediments and what are the factors that control the distribution of each major sediment type? Where does each major seafloor sediment type tend to accumulate in greatest quantity?
asked by Rich 
biology
how does caffeine affect the excretory system? I have looked all over, and I can't find an answer. Please help!
asked by blue fire 
Computer programming
Sorting is a common operation used in programming. Although languages such as Visual Basic 2008 offer builtin methods for sorting, other languages such as C do not support such a method. In order to be a programmer you should be able to implement such
asked by Brenda 
physics
To combat wasteful habits, we often speak of “conserving energy,” by which we mean turning off lights and hot water when they are not being used, and keeping thermostats at a moderate level. In this chapter, we also speak of “energy conservation.”
asked by Anonymous 
physics
Suppose that three astronauts outside a spaceship decide to play catch. All the astronauts weigh the same on Earth and are equally strong. The first astronaut throws the second astronaut toward the third one and the game begins. Describe the motion of the
asked by Anonymous 
business communications
In which of the following situations is it MOST appropriate to deemphasize negatives? When the reader must correct a dangerous practice When you are denying a customer's request for credit When you are fining a company for polluting the environment When
asked by latonia 
physics
A jetliner, traveling northward, is landing with a speed of 72 m/s. Once the jet touches down, it has 730 m of runway in which to reduce its speed to 5.9 m/s. Compute the average acceleration (magnitude and direction) of the plane during landing (take the
asked by yoyoma 
math
Place decimal points in these numbers so that their sum is 519.654. 329 913 477 624
asked by Kellie 
Algebra
The second angle of a triangle is 3 times as large as the first. The third angle is 55° more than the first. Find the measure of the smallest angle
asked by James 
bus/415
What is the chronological order of the major legislation that makes up the history of employment law in this country? For each law, state the social problem the law was designed to address, and discuss how employment law has affected the workplace in the
asked by Shelly 
chem
For each of the following pairs, which element will have the greater metallic character: (a) Li or Be; (b) Li or Na; (c) Sn or P; (d) B or Al?
asked by gabyj 
home inspection
in a property transaction the homeowner increasingly has a legal responsibility to? A.pay all the inspection fees B.disclose all information on the home's condition to interested buyers C.repair any and all problems found during the home inspection
asked by sib 
physics
A 120V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the energy delivered to the motor by electrical transmission in 2.00 h of operation. Do
asked by blast 
social studies
The growth of the automobile industry led to the development of the
asked by shakyta 
Write the shorthand notation
Write the shorthand notation and the orbital diagram electron configuration representation for each of the following elements and indicate the orbital(s) which contain valence electrons: (a) N, (b) K, (c) Cu, (d) Al.
asked by gabyj 
Calculus
find the area of the region. 2y=4sqrtx , y=3 and 2y+2x=6 ?
asked by Candice 
Math
If f(x)=x^26x+14 and g(x)=x^220xk, determine the value of k so that there is exactly one point of intersection between the two parabolas.
asked by Emily 
which quantity will be greater
For strontium, which quantity will be greater, the difference between I1 and I2, or the difference between I2 and I3? Explain
asked by gabyj 
precalculus
If A= 29 degrees and a= 4.6, find c.
asked by maria 
physics
It is falling. It has to fall, that is the law of gravity. Otherwise, it would leave Earth in a straight line. But if it falls at exactly the rate it needs to fall to travel in an orbit, we call that "orbiting". If if falls faster than that, it crashes
asked by Anonymous 
Calculus 2b
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=x^2 x=y^2 about the axis x=–3 ? Having Trouble please help!!
asked by Mary 
geometry
find one counterexample to show that each conjecture is false : 1. the sum of two numbers is greater than either number ? help please!!!
asked by kayla 
math
I really need help with math test. I can't post questions on here cause they won't cut and paste right. Is anyone willing to send their email and I will send them the test for help? It was due sunday and I am so lost
asked by julian 
US History
For Booker T. Washington v W. E. B. DuBois, I don't get DuBois' method... did he want African Americans to gain rights right away?
asked by Amy~ 
Physics
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of 6.10 m/s2. How fast is the racer moving 2.55 102 m after the parachute opens?
asked by yoyoma 
International Business
Why does Logitech manufacture in China and Taiwan, undertake basic R&D in California and Switzerland, design products in Ireland and coordinate marketing and operations from California?
asked by Stacy 
math
Solve the problem. If the answer is an amount of money, round to the nearest dollar. A chemical solution contains 3% salt. How much salt is in 4.5 ml of solution?
asked by Sarah 
business
In a world without trade, what would happen to the costs that American consumers would have to pay for Logitech's products, i.e mouse?
asked by Lucy Brown 
Computer programming
Functions and procedures are used all the time in Modular programming. Can functions replace procedures? what are the advantages of using functions over procedures? Are there any advantages to using procedures over functions?
asked by Brenda 
Computer programming
The code below is supposed to calculate the average for a student using 10 grades. It contains several errors. Rewrite the code using the correct naming conventions and turn in the full solution and discuss using this topic. Dim arrGrades(10) as integer
asked by Brenda 
geometry
Center and radius of x^2 + y^2 – 4y = 0.
asked by Ray 
US History
For Booker T. Washington v W. E. B. DuBois, I don't get DuBois' method... did he want African Americans to gain rights right away?
asked by Amy~ 
Why does the He atom have a smaller radius than th
(a) Why does the He atom have a smaller radius than the H atom? (b) Why is the He atom smaller than the Ne atom?
asked by gabyj 
Math
How do I find the extreme values for the function y=sinx+cosx on the interval 0
asked by Kayla 
Math
Ok I need help to figure out how to solve this problem 4 working move into town looking for work. A local business offers them 200 hours of work. The catch is, they have to work the same number of hours as they do days. I.E. if they work 8 hours they have
asked by Mo 
calculus
The total area enclosed by the graphs of y=10x^2–x^3+x y=x^2+19x This is a really long problem I keep getting the answer of 20.25 but it is incorrect I don't know where I am going wrong?
asked by Jane 
Statistics
How many ways are there to choose a threedigit lottery number? Note that numbers like 003, 014, 222, 232 or 123 are all allowed.
asked by Sarah 
International business
How does trade lower the costs of making computer peripherals such as mice and keyboards?
asked by Marquel Brown 
Numbers
How would one say .05mm? Is it "five hundreths of a mm"?
asked by Sam 
algebra math 209
swimming space. The length of a rectangular swimmung pool is 2x1 meters, and the width is x+2 meters. write a polynomial A(x) that represent the area. Find A(10)
asked by Anita fields 
sentence structure
need help making sure how to write this sentence. I will not be ashamed of my Lord and Savior, Jesus Christ. I will not be ashamed of my Lord and Savior Jesus Christ.
asked by Amy 
programming
An instructor wants to build a program to help him keep track of students’ grades. He’s assuming he won’t have more than 30 students and won’t have more than 2 exams from which he’ll calculate the average. How many arrays do you think he needs to
asked by Brenda 
sentence structure
does my first sentece have the correct use of a comma? If i believe in Jesus Christ, i will be saved. If i believe in Jesus Christ i will be saved.
asked by Amy 
geometry
A YARDSTICK MEASURE 0.25 BY 3 BY 36 INCHES HOW MANY YARD STICKS FIT IN A BOX 2 INCHES WIDE AND 36 INCHES WIDE
asked by Anonymous 
ecom
How does the federal government implement its fiscal policies? Given economic conditions today, do you suggest expansionary fiscal policy or contractionary fiscal policy? How would your suggestions affect production and employment? Why?
asked by terry 
US History II
Why was it called black "resistance" during the Civil Rights Movement?
asked by Amy~ 
statistics
GIVEN THE FOLLOWING STATISTICAL VARIABLES A:m(A)=5 B:m(B)=13 var(A)=25 Var(B)=6 1.calculate mean of Z= 4B2A 2.Calculate the Standard Deviation assuming cov (A,B)=0
asked by RASHMI 
U.S. history
It's been 5 years since Hurricane Katrina devastated the city of New Orleans and the Gulf coast. The city has not fully recovered from the effects of that storm, right? The Big Easy was flooded with polluted water and sewage, many people were killed, and
asked by AL 92 
econimics
Ally mows lawns for a living. Ally's outofpocket expenses(for equipment, gas,and so on) plus the value that she places on her time amount to what?
asked by austin 
scicnec
An earth satellite in an elliptial orbit moves with a) slower speed as it ages b) none of the above c) constant speed d) faster speed as it ages Just need to know if my answer or right or wrong. Thanks! :) d
asked by ant 
science
The earth and all the planets______(or travel around) the sun. Just need to know if my answer or right or wrong. Thanks! :) orbit
asked by ant 
college math
can I email someone my test that I need help with? I could really use the help. Thanks
asked by Anonymous 
geometry
Find the area of a square given that the length of each of its sides is 1/4 the value of its area.
asked by Keith 
Nutrition
How do lipids move through the body do they can be digested and absorbed? How are lipids stored in the body?
asked by Nancy 
WiFi
How does a child or maybe an adult get sick because of WiFi signals? That's very, very odd.
asked by AL 92 
accounting
I am calculating inventory methods and wanted to see if anyone could double check my figures? See below weighted Average Date Transaction Units 1Apr Purchase 250 Unit Cost Ext Cost 5Apr Sold 10 $10.00 2500 10Apr Sold 10 15Apr Purchase 200 $15.00 3000
asked by Debbie 
International Business
Using the theory of comparative advantage how did logitech configure its global operations?
asked by Erin Shed 
science
Newton applied his laws of motion to the problem of the motions of the planets. He assumed that it was gravity that held them in their orbits, true false Just need to know if my answer or right or wrong. Thanks! :) true
asked by ant 
Allied Health
Which one of the following is an example of a leading question? A.What time did you administer the medication? B. How long have you worked at the West End Hospital? C. Did you see Dr. Martin in the patient's room on the morning of question? D. Isn't it
asked by Harv 
computer
True/False Is the order of mathematical operations applied to most computer languages are not relevant in pseudocode.
asked by Tyriq 
medical office
In reviewing the office's profit and loss statement, the office manager notices a discrepancy between the stated revenue and cash deposits. In fact, it appears the office may have incorrectly booked $250,000 in revenue for the month. If this error turns
asked by Shauna 
math
Construct a truth table for the statement. ~s ~q
asked by Sarah 
math
Express the ratio in simplest form. 120cm to 45cm
asked by Sarah 
English
What must you do to convert the annotated bibliography to an APAformatted reference page
asked by Anonymous 
chemistry
Mix together 5.0 mL of solution #1 – 1.0 M HA with 35 mL of solution #2 – 1.0 M NaA in a small Erlenmeyer flask. What are the concentrations of HA and A– in solution #7?
asked by kris 
math
i need help with simplying algerbraic expression 1) m^2 p^2 + mpg  6g^2 = 2) 2h^3 + 2h^2t  4ht^2
asked by kamleen 
science
For any mass m located anywhere in the universe, F=mg is the formula that tells the gravitational attraction between m and the earth, true false Just need to know if my answer or right or wrong. Thanks! :) False
asked by ant 
math
how do I find x in this problem. x over 4 x minus 2 equals 8.
asked by victoria 
Math
Can you help me understand this math problem...I could figure it out the long way but I think there is a formula that I can use that I'm not remembering: I have 18 different colors of marbles. I'm going to arrange them in sets of three. I want to do this 6
asked by GwendolynDuncan 
Math
How many ways are there to choose a threedigit lottery number? Note that numbers like 003, 014, 222, 232 or 123 are all allowed.
asked by Jeanne 
physics
is electric field always positive?
asked by blasting 
Algebra
W8/3=4
asked by Canyon 
childcare
Please help. I posted this question before but did not seem to get an answer/ A child who moved from throwing a ball using only an elbow movement to thriowing a ball using her elbow, wrist and shoulder is showing signs of developmentn a. intertask b.
asked by action 
college
what does 'wrap around' and 'flop down' mean?
asked by Alisha 
capitalization
i have another doubt in this sentence with "son" one rule is to capitalize any title when used as a direct address. Jesus is the son of God.
asked by lara 
math
I am having trouble finding the x and y intercepts in this equation. Can someone please help me? y=55x
asked by barb 
algebra
Are the inequalities x > 8 and x < 8 equivalant? Why or why not?
asked by Jackie 
science
The earth's magnetic shield has a) appeared only recently b)disappeared for short periods of time c)caused the earth's land masses to drift apart d)little effect on life this planet e)existed since the planet cooled e
asked by ant 
math
i need help with operation with polynomial 1) (x^2 + x  6) / (x  2)= 2) 24b^4C^3 / 6b^2c= 3) (3p^2 + pq  2q^2)/ (p + q)=
asked by kamleen 
Child Psychology
what happens as children process into middle childhood?
asked by Anonymous 
Algebra 1
I am having trouble figuring out the final step when i get to multiply 5/9(1955.6) to get the set solution. Can you help. the question is below a metal stays solid at fahrenheit temperature below 1987.6. determine (in terms of an inequality) those celsius
asked by Kallie 
US History
Did the Civil Rights Movement bring in other people who had different types of resistance? OR did people use Martin Luther King's method?
asked by Amy~ 
science
how does movement differs among Bacteria, grasshoppers, fish, bear
asked by seth 
business strategy
What were the key elements of JetBlue’s strategy in 2008? How has the company chosen to attract customers in sufficient volume to earn profits? How does JetBlue offer its customers value
asked by Jorie 
Math
How do I find the equation of a tangent of y=cos(2x+(pi)/3) at x=(pi)/4
asked by Kayla 
Math
How do I find slope of the tangent to the curve y=(e^x+e^x)/2 at point (0,1)?
asked by Kayla 
computer people
Do you know any qoutes from Tony Fadell about the ipod? Thanks
asked by taavon 
math
what is the prime factorization of 34 in tree diagram method
asked by asdfghjkl; 
math
I don't know how y1=1/3(x3) is simplifes to x+3y6=0
asked by Jin 
math
Construct a truth table for the statement ~s (blank)~q.
asked by Sarah 
computer people
what is one of tony fadell's innovations of the ipod?
asked by taavon the 3rd 
algebra math 209
evaluating polynomials negative 12sq times 3s 12sq *3s
asked by Anita fields