Questions Asked on
January 21, 2011

Physics
As a train accelerates from a station, it reaches a speed of 4.7m/s in 5.0s. If a train acceleration remains constant what is its speed after an additional 6.0s has elapsed?
asked by Lesh 
Geometry
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between
asked by Valerie 
Chemistry
Refer to the net ionic equation below to answer the following questions: Co(H2O)6^+2 + 4Cl CoCl^2 + 6H2O 1. In what direction was the equilibrium shifted by: a. Addition of HCl b. Addition of water c. Addition of AgNO3 d. Increasing the temperature e.
asked by Sharon 
literature ... i really need corrections
1) in song of myself, whitman's theme is best demonstrated by a.the "last scud of day holds back for me" b.the "spotted hawk swoops by and accuses me c. "look for me under you bootsoles" d. "coaxes me to the vapor an the dusk" 2)The tone in the song of
asked by Anonymous 
physic
4. If the same two dust particles have 1.0 x 1010 C of charge on one, and +3.2 C x 1010 C on the other, what is the force between them now? If the force is pushing them apart, show it as a positive number and if it is attracting them together, show it
asked by sabrina 
Chemistry
An aqueous antifreeze solution is 40.0% ethylene glycol (C2H6O2) by mass. The density of the solution is 1.05 g/cm3. Calculate the molality, molarity, and mole fraction of the ethylene glycol.
asked by Sarah 
chemistry
Rank gases from highest average molecular speed to lowest Ne, HBr, CO
asked by psk 
Finance
For each of the following situations, indicate whether FIFO, LIFO, or weighted average applies. a. In a period of rising prices, net income would be highest. b. In a period of rising prices, cost of goods sold would be highest. c. In a period or rising
asked by Monty Douglas 
finance
Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $45.00 per unit. During the year, Laird made two batch purchases of coffee makers. The first was a 300unit purchase at $50 per unit; the
asked by Monty Douglas 
chemistry
how much heat is needed to convert 826g of ice at 10.0 degrees celsius to steam at 126 degrees celsius
asked by Angela 
Chemistry
To what volume should you dilute 50.0 mL of a 4.50 M KI solution so that 28.5 mL of the diluted solution contains 2.75 g of KI?
asked by Heidi 
chemistry
A chemical is placed in a beaker containing 20 g of soil and 500 mL of water. At equilibrium, the chemical is found in the soil at a concentration of 100 mg/kg of soil. The equilibrium concentration of this same chemical in the water is 250 µg/L.
asked by Jazmin 
ALGEBRA
3+x(12*4)24 3+x(48)24 51x24 5124=27 48/27 x=1.7? Not sure if I did the steps correctly.
asked by So Lost 
Physics
A 210 g airtrack glider is attached to a spring. The glider is pushed in 12.0 cm against the spring, then released. A student with a stopwatch finds that 13 oscillations take 16.0 s. Find the spring constant k.
asked by Erin 
hcr 230
I was hoping someone could look over my paper and tell me if I am answering correctly the questions below. For patient billing to be operative, dependable financial procedures and policies need to be in order to clarify to the patients what is their
asked by kristina 
chemistry
I, IV and V only 005 10.0 points When a chemical reaction comes to equilibrium, both the forward and the reverse reactions continue, but their rates are equal. For such a system at equilibrium at 300 K and 1.00 atm pressure, the change in Gibbs free energy
asked by Bob 
finance
The following information pertains to Porter Company for 2011. Beginning inventory 70 units @ $13 Units purchased 280 units @ $18 Ending inventory consisted of 30 units. Porter sold 320 units at $30 each. All purchases and sales were made with cash. a.
asked by Monty Douglas 
chem
what mass of KIO3 is needed to convert the copper in 0.2 g of CuSO4 5H20 to Cu(IO3)2
asked by midget 
physics
If one micrometeorite (a sphere with a diameter of 2.3 106 m) struck each square meter of the Moon each second, estimate the number of years it would take to cover the Moon with micrometeorites to a depth of one meter? Hint: Consider the volume of a
asked by Anonymous 
chemistry
how much lithium hydroxide will be needed to remove 75.0 grams of carbon dioxide?
asked by tim 
medical
explain the difference between qualititative and quanititave medical record analysis?
asked by pam baker 
math
if jennifer pays off the couch in one year, she will have to pay no interest. If she pays off her balance in 12 equal monthly installments, how much will she pay each month?
asked by baasima 
chemistry
Groundwater in Pherric, New Mexico, initially contains 1.800 mg/L of iron as Fe3+. What must the pH be raised to in order to precipitate all but 0.3 mg/L of the iron? The temperature of the solution is 25 degree Celsius.
asked by Jazmin 
precalculus
How many degrees are there in 2 radians?
asked by ken 
math
Explain why arcsin 3 is undefined.
asked by seth 
english
what is the prefix of represent
asked by raeisha 
Physics
In Figure 444, a baseball is hit at a height h = 1.10 m and then caught at the same height. It travels alongside a wall, moving up past the top of the wall 1.1 s after it is hit and then down past the top of the wall 4.8 s later, at distance D = 47 m
asked by Blake 
CHEM 1LB
Which of the following is NOT true? A. The uncertain digit is estimated between the last two markings. B. Except for absorbance, most measurements contain significant figures and units. C. All numbers should be recorded from a digital readout. D. If an
asked by Shawn Tabrizi 
Biology
What would a cladogram look like?
asked by Hope K. 
english.. can u tell me if my answers are right
1)c 2)c 3)c 4)c .. k this looks ridiculous but i think the answers are all C !!! please check!!! 1) At the end of the poem(song of myself number 52), the speaker a.proclaims his love to democracy b. encourages us to read more of his poems c. reaffirms his
asked by Dan 
physics
How far must the point charges = 7.20 and = 25.0 be separated for the electric potential energy of the system to be 130 ?
asked by Cassie 
physics;changes in temp
A 4.0 kg gold bar at 97C is dropped into 0.27 kg of water at 22C. What is the final temperature? Assume the specific heat of gold is 129 J/kg C. Answer in units of C.
asked by sarah 
physics
A point charge with charge Q1 is held stationary at the origin. A second point charge with charge moves from the point (x1, 0) to the point (x2,x2 ).
asked by Cassie 
phy
Two point charges have a total charge of 525 µC. When placed 1.15 m apart, the force each exerts on the other is 25.7 N and is repulsive. What is the charge on each? (Round your answers to the nearest µC.)
asked by ami 
chemistry
Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?
asked by Angel 
College Algebra
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between
asked by Valerie Pacetti 
math
how do i solve, marge has six coins that total $1.15. she cannot make change for $1.00, 1/2 dollar, a quarter, a dime, or a nickel.what coins does she have?
asked by gary 
chemistry
What is the mass of 4.80 multiplied by 102 moles of zinc chloride (ZnCl2)?
asked by kayla 
english
draft a one page memo to be sent to your Team and boss addressing the need for using appropriate tone, content, and awareness of audience
asked by Abe 
Mathematics
How to find the volume and surface area of cube and cuboid and other shapes too?!
asked by Rosalinda Rosie 
geometry
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between
asked by Valerie Pacetti 
MATH...THE GRAPHS OF SINE, COSINE AND TANGENT
anyone explain how this cos 2A cos A – sin 2A sin A can become to this cos (2A + A) = cos 3A
asked by mie_y98 
algebra
The number N, in millions, of hearing impaired individuals of age x can be approximated by: N = 0.00006x^3 + 0.006x^2  0.1x + 1.5 Approximate to the nearest million the number of hearing impaired individuals of ages 45  70.
asked by Pam 
math
using rounding or compatible numbers,which numbers would you choose to estimate the exact product of 25 times 25.
asked by abraham 
finance
Bristol Sales had the following transactions for DVD’s in 2012, its first year of operations. Jan. 20 Purchased 75 units @ $17 = $1,275 Apr. 21 Purchased 450 units @ $19 = $8,550 July 25 Purchased 200 units @ $23 = $4,600 Sept. 19 Purchased 100 units @
asked by Monty Douglas 
Geometry
Ok Dr. Russ helped me find one part of the question, but I still can't figure out the values of x that maximizes volume = in. Any help is appreciated. Thanks On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced
asked by Valerie 
xacc280
week2 day 7 assignment i have spent hours on this assignment and can not get it can anyone help?
asked by missy 
physics
how i cld rise the base of a house wd the help f electric circuit
asked by Anonymous 
algebra1
4(x+3)=2(x6) 4x+12=2x12 2x+12=12 2x=24 x=12 is this textbook example correct?
asked by charles 
english
m too old is this sentence correct or wrong
asked by anna 
algebra
Nicole can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work? NEED HELP FAST
asked by molly 
chemistry
calculate the heat released when 166g of water at 23.0 degrees celsius are converted to ice at 10.0 degrees celsius
asked by Angela 
english
In the metaphor of language as a layer cake given in your study unit, which of the following words could be considered to be a frosting word?
asked by Alabama 
Spanish
what is the correct pronoun: El hombre ____ (el libro) da al joven.
asked by James 
chemistry
how much energy in joules is required to melt 10.00 moles of ice
asked by Anonymous 
World Civilization
In what ways has the development of agriculture advanced our way of life?
asked by Betty 
Pre Calc
A swimming pool can be filled by a vent in 10 hours. When the pool is filled, it can be emptied bya drain pipe in 20 hours. The pool manager mistakenly leaves the drain pipe open while trying tofill the pool. How long will it take to fill the pool?
asked by Emily 
math
each box has 10 pencils . how many pencils do 3 boxes have ?
asked by jordan 
Physics
The radius of a circle is measured to be 12.8 ± 0.2 cm. I need to find the Area and the Circumference of the circle? But how to I account for the uncertainties in each value?
asked by Stephanie 
physic
2. Rank the following in the order of how much of a corona discharge they would produce, from highest to least (e.g., if D is highest, then A, C, and B is lowest. enter DACB). Explain your response. a. a large round metal ball hooked to a high voltage
asked by sabrina 
physic
3. I have two identical dust particles. They are spheres with diameters of 0.0001 meter (about the same as a hair). They have the same density as water so they each have a mass of 1012 kg. If each dust particle goes through a discharge so that 2.40 „e
asked by sabrina 
german
I have to write a slogan in german that is a command using the four different types of command forms (du, ihr, wir, Sie), and I need help figuring out how to write them. The slogan I am using is "Get your own box." from cheezits. How would I write them in
asked by KJ 
physics
The car's displacement 0.7 s after leaving the dock has a magnitude of 14.0 m. What is the car's speed at the instant it drives off the edge of the dock?
asked by joe 
psychology
What are the apparent symptoms of anxiety in terms of physiological, behavioral, and cognitive indicators? If both a parent and a child experience anxiety in similar situations, how would you account for the influences of heredity, preparedness, and
asked by Anonymous 
math formulas
4. Vanna has just financed the purchase of a home for $200 000. She agreed to repay the loan by making equal monthly blended payments of $3000 each at 9%/a, compounded monthly. Determine how much interest she will pay for her loan. h. How much would Vanna
asked by stephy 
Calc
(sqrt(9x 5)sqrt(68))/(x7) limit as x approaches 7
asked by Bubba 
christian life education
is there a website which has the topics and subtopics of the books in the bible? i need it for our project. thank you.
asked by veronica 
chemistry
Calculate the "exact" alkalinity of a water that contains 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66.
asked by Jazmin 
Chemistry
"What volume of reduced soy sauce (575 mg Na/15 mL) would be predicted to require 25.00 mL of 1.0 M AgNO3 for titration assuming all the sodium is derived from NaCl? A.W. Na= 23
asked by Kyla 
chemistry
One liter of a gas mixture at 0 degree Celsius and 108.26 kPa contains 250 mg/L of H2S gas. Calculate the partial pressure exerted by gas.
asked by Jazmin 
chemistry
Convert the concentration of SO2 from 80µg/m^3 to units of parts per million. The gas has temperature of 25 degree Celsius and a pressure of 101.325 kPa.
asked by Jazmin 
us history
One of the significant changes in atmosphere in Jefferson's administration was: the number of common people involved in government the closing of the Bank of the United States the widespread dismissal of Federalist officeholders the reinstatement of the
asked by brandon 
math
useing the rule of 72 estemate how long it will take an investment of $400 to double if it is invested at 4.5%/year compounded monthly. (show work)
asked by Dane 
Taxes
Can you be an employee of your own partnership
asked by Ron 
chemistry
solution contains 5 grams of of a mixture of sodium hydroxide and sodium sulphate dissolved per 500 ml
asked by wajid 
economics
The table provides data on the demand for and the supply of eggs in the United States. At a price of _____________ there would be a surplus. Price (per dozen) $0.50 $1.00 $1.50 $2.00 $2.50 Quantity Demanded 90 80 70 60 50 Quantity Supplied 30 50 70 90 100
asked by justin 
math
state the period, the amplitude and the phase shift of the function y = 1+1/3sin2(x+n/2), hence sketch the curve for the values of x in the range n/2
asked by mil 
poetry
I need to know the rhythm and meter of Billy Collins "Forgetfulness"
asked by Ryan 
social science
what is the neoliberal resurgence and how has it affected developing nations?
asked by chix 
mount
wat is 1.71 to 4.56 in its simplest form?
asked by johanna 
Statistics
A vending machine dispenses coffee into an eightounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of .03 ounce. You can allow the cup to OVERFILL 1% of the time. What amount should you set as the mean
asked by Erika 
English
What is the definition of an antecedent?
asked by Ariadne 
Math
I am a little confused, can someone please help me? I the radius of a circle is 5m, what is the area of the circle? Is this the same as the surface area and it would be 10m?
asked by mark 
Physics
A wood block with a mass of 100 grams is held at the top of an inclined board (point A in Figure 2). If we assume force of friction (Ff) is 0.35N and constant as the block slides down the ramp, what will the velocity be at point B after the block is
asked by Anonymous 
algebra
I trying to make this equation 3x+9y=18 into Y=mx+b.How do I that.
asked by Anonymous 
Math
Find the value of the constant t such that the triangle formed by A (2,2) ,B (4,5) ,C (6,t) is right angled at B(4,5).
asked by Jake 
precalc
Is sine an even or odd function?
asked by lauren 
math
By the cofunction property, cos 33° = sin _______
asked by carly 
precalc
Find sec x if sin x = 0.6 and cos x = 0.8.
asked by anna 
maths
i have got to find the perimeter of a triangle that has one side of 8x7w another that says 3x+9y and then another that says 3y+5w whats the perimeter of the triangle ??? please help
asked by sophie 
ALGEBRA
3+x(12*4)24 3+x(48)24 51x24 5124=27 48/27 x=1.7? I wanted to know if finding the x in all of this is correct.
asked by So Lost 
physics
A point moving on a straight horizontal line with an initial velocity of 60 fps to the right is given an acceleration of 12 fps2 to the left for 8 sec. Determine (a) the total distance traveled during the 8sec interval; (b) the displacement during the
asked by John 
Math
If you pass general chemistry, then you can take organic chemistry. You pass general chemistry. ˆ You can take organic chemistry. Let P = you pass general chemistry Let Q = you can take organic chemistry I came up with P  >Q P therefore Q But my set up
asked by Madison 
US History
Identify important biographical information about Andrew Jackson. Youthful Life, Road To Congress, War Hero, Appeal To Voters.
asked by Kiersten 
US History
What factors helped Jackson win the election of 1824?
asked by Kiersten 
history
what were the effects of expanding voting rights?
asked by Kiersten 
science
why does the water line flatten out after 0 celsius
asked by tiffany 
environmental 100
How are the principles of science and technology applied to environmental problems and solutions?
asked by Anita fields 
Maths
Humans breathe about 15 breaths in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes? Please,show working.
asked by Anonymous 1 
Maths
Greta ran the 400m dash in 49.07 s.If Greta ran at a constant rate,how many meters did she run in one second ? Worked it but I'm not sure,is is right.Please show working
asked by Anonymous 1 
calculus
Help!!! A rectangle piece of cardboard twice as long as wide is to be made into an open box by cutting 2 in. squares from each corner and bending up the sides. (a) Express the volume V of the box as a function of the width W of the piece of cardboard (b)
asked by Hector 
CHEM 1LB
Which of the following safety precautions is unnecessary for the 'Mass Percent of ASA' experiment? A. Safety goggles should be worn. B. Do not ingest the aspirin used in this experiment as it may be contaminated with other chemicals. C. The FeCl3solution
asked by Shawn Tabrizi 
Chemistry
An aspirin tablet weighing 0.475 g has been analyzed and contains 68.2 % ASA (180.16 g/mol) by mass. A student dissolved the tablet in hot NaOH and the cooled solution was diluted with DI water to the mark in a 250 mL volumetric flask. Exactly 3.00 mL of
asked by 
algerbra
The temperature was t* F.It fell and is now 32* F.What was the original temperature ?
asked by sam 
physics
A majorleague pitcher can throw a baseball in excess of 40.2 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches the catcher who is 17.7 m away from the point of release?
asked by josh 
science
how can i change pitch?
asked by jada 
draw
on a grid show me a perimeter of 36 feet
asked by Anonymous 
geomatry
m (DOC) = 3/4m(BOA)
asked by Diana 
math===pls. help==
For numbers less than 40, list each pair of numbers that has a greatest common factor (GCF) of 12.
asked by Carol 
Math
I. Use Chebyshev’s theorem to find what percent of the values will fall between 156 and 276 for a data set with a mean of 216 and standard deviation of 12. II. Use the Empirical Rule to find what two values 68% of the data will fall between for a data
asked by Tameka 
language arts
what is the prepositional phrase of Most damage to a coral reef, however, is caused accedentally.
asked by ronin 
biology
Most homeostatic mechanisms are controlled with a negative feedback loop. Explain why this mechanism may be more efficient at maintaining homeostasis as compared to positive feedback mechanisms. Provide examples of both.
asked by Anonymous 
chemistry
Which of the following constants are needed to calculate the change in enthalpy (H) for heating a sample of liquid water at 10C to steam at 150C. I) the heat capacity of water II) the enthalpy of fusion of water III) the heat capacity of ice IV) the
asked by Bob 
Calc
Various values for the derivative, f'(x), of a differentiable function f are shown below. x=1, f'(x) = 8 x=2, f'(x) = 4 x=3, f'(x) = 0 x=4, f'(x) = 4 x=5, f'(x) = 8 x=6, f'(x) = 12 If f'(x) always decreases, then which of the following statements must
asked by Erica 
physics
A space vehicle is coasting at a constant velocity of 20.5 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a RCS (reaction control system) thruster, which causes it to accelerate at 0.390 m/s2 in the +x direction. After
asked by dan 
math
how do i solve differential equation dy/dx=3/(2x) and use graphing utility to graph 3 solutions,one which passes through the point(1,0)
asked by mrunal 
Physics
Two Dimensional Projectile Question: Determine the height reached by a baseball if it is released with a velocity of 17.0 m/s [at an angle of 20 degrees]
asked by Taylor 
biochemistry
if 4 volumes of 0.1M monobasic potassium phosphate, KH2PO4, are mixed with 2 volume of 0.1 M dibasic sodium phosphate, Na2HPO4, what will be the pH of the mixture? What if 4 volumes of 0.1 M KH2PO4 are mixed with 8 volumes of 0.1 M ethanolamine
asked by dIrk 
business english
writing a short paragraph on applying for a job as a medical office assistant tell me what can inspire me or guided me through
asked by annesha 
statsprobability
given a chart with rain in inches the greatest amount being 15 inches on the chart, we know the cumulative proability is 1. what is the probability of more than 15 inches of rain falling
asked by joy 
college
three sentences using possessives correctly on the topic of how to store personal financial information effectively and efficiently.
asked by nicole jenks 
ECONOMICS
The relative price of personal computers has dropped drastically over time. would you explain this falling price in terms of demand or supply changes? what factors (at least 4) are likely to have caused the demand or supply shifts that did occur?
asked by reneann 
science
What is name of reagent containing 0.6 M Sulphuric acid, 28 mM sodium phosphate, and 4 mM ammonium molybdate? and in which amount it should be taken to make a reagent?
asked by shraddha 
geometry
The legs of a right triangle are 23 and 12 inches long respectively What is the area of the triangle?
asked by Anonymous 
Environmental Science
Ex: [Cu] in river is 30 ppb, what is the molar concentration?
asked by Zukii 
com170
3. Individual Assignment: Practice with Pronouns, Adjectives, Adverbs, and Comparisons • Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or
asked by mika 
Physics
A cart on a surface with a coefficient of friction of 0.20 is attached to an overhanging weight with a frictionless pulley. The cart has a mass of 2.5 kg while the overhanging weight has a mass of 1.0 kg. What is the acceleration of the cart? What is the
asked by Taylor 
chemistry
what is the volume of 250.0 grams of acetone whose density is 0.7899 g/cm
asked by jarett 
Public Policy Human Services
I am writing a 300word program analysis for a human services organization. I cannot seem to apply the six policy fundamentals to the program I am using. I keep reffering to my text/notes but it just doesn't make sense. Any tips or adive would be
asked by Kelli 
College algebra
simplify by removing factors of 1 n^29/(n+3)^2
asked by Maria