Questions Asked on
January 22, 2011

ALLIED HEALTH
The main purpose of a peer review committee is to A. identify activities that suggest guidelines aren’t being followed. B. establish procedures for confidentiality of incident reports. C. examine the work habits of individual employees who have access to
asked by COLLINS 
History check my essay!
Can someone tell me what they think of what I wrote? Here is the question and my answer: (This homework question was removed due to a copyright claim submitted by K12 Inc.) Answer: Winston Churchill, a strong leader who told it like it was. He was a true
asked by Anya 
Algebra
find the measure of an angle whose supplement measures two times its measure
asked by Help 
physic
two point charges, Q1=25microcoulomb and Q2=+50 microcoulomb, are separated by a distance of 12 cm. the electric field at the point P is zero. how far from Q1 is P? @__________@_______________________@ P 25 +50
asked by fara 
Chemistry
Can someone please check my work? Calculate the mass of (NH4)2S2O8 needed to prepare 250mL of a 0.100M solution. I got 5.705 g. Calculate the volume of 2.00M KI needed to prepare 250mL of a 0.200M solution. I got 0.025L or 25mL. Calculate the volume of
asked by Rachel 
chem
At 20 degrees celsius the vapor pressure of dry ice is 56.5atm. If 10 g of dry ice (solid CO2) is placed in an evacuated 0.25 L chamber at a constant temperature of 20 degrees celsius, will all of the solid sublime? Is the answer no? I don't know if this
asked by jack 
Physics
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 4.8 m/s2 for 4.5 seconds. It then continues at a constant speed for 9.9 seconds, before applying the
asked by Jeel 
chemistry
C2H4O(g) ¨ CH4(g) + CO(g) Find the rate law of C2H4O? The following kinetic data were observed for the reaction at 688 K. Initial Concentration of Ethylene Oxide Initial Rate Exp. 1: 0.00272 M 5.57 107 M/s Exp. 2: 0.00544 M 1.11 106 M/s
asked by Nagaa 
Physics
A Spring of force constant 300N/m is compressed such that its length shortens by 3cm. calculate the energy stored in the spring?. please Help
asked by Ochuko 
math
A mass suspended on a spring will exhibit sinusoidal motion when it moves. If the mass on a spring is 85cm off the ground at its highest position and 41cm off the ground at its lowest position and takes 3.0s to go from the top to the bottom and back again,
asked by stephy 
Oop programming
Write a program that inputs (from the user) the number of hours worked and hourly pay rate for employees and outputs their total pay. The program should process an arbitrary number of employees; the user will terminate input by entering 0 for hours worked
asked by Geno 
Physics
A weight of 40N was attached to the end of a wire during modulus experiment, if the length of the wire is 4m and the diameter is 0.44mm and the extension recorded is 0.30mm. calculate the stress and strain of the wire?. take[Pi=3.142
asked by Ochuko 
Physics
A 2.0×103 kg car accelerates from rest under the action of two forces. One is a forward force of 1153 N provided by traction between the wheels and the road. The other is a 939 N resistive force due to various frictional forces. How far must the car
asked by Sangita 
physics
A uranium nucleus 238 U may stay in one piece for billions of years, but sooner or later it decays into an α particle of mass 6.64×10 −27 kg and 234 Th nucleus of mass 3.88 × 10 −25 kg, and the decay process itself is extremely fast (it takes about
asked by Anonymous 
Chemistry
Consider: C6H12)6 + 6O2> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of water will be produced? b)How many grams of oxygen will be consumed? c)How many grams of sugar will be burned off if 85 grams
asked by Lindsey 
physical science
How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.
asked by joe 
chemistry
Hydrogenlike ions are those with only one electron such as He+ and Li2+. The Balmer formula for the transitions in these ions can be written as v=Z^2 cR(1/(n_1^2 )1/(n_2^2 )). Use this formula to calculate the lowestenergy transition in the Lyman and
asked by Maria 
Math
The revenue for a business is modeled by the function R(x)=2.8(x10)^2+15, where x is the number of items sold, in thousands, and R(x) is the revenue in thousands of dollars. Express the number sold in terms of the revenue.
asked by Emily 
Chemistry
In a chemical reaction, exactly 2 mol of substance A react to produce exactly 3 mol of substance B 2A > 3B How many molecules of substance B are produced when 27.9 g of substance A reacts? the molar mass of substance A is 24.7 g/mol STEP 1: convert the
asked by Mark 
physics
The temperature fell 4 degrees every hour. The total decline was 20 degrees. For how many hours was the temperature decreasing at this rate?
asked by Anonymous 
physics
A revolutionary new diet advertises that one can lose weight simply by eating ice. When one eats ice,chemical energy in the body is used to melt the ice and then raise the temperature of the melted ice to the temperature of the body, 37 degrees
asked by jenny 
math (check my answer?)
Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the right, a period of 30 degrees, a reflection in the yaxis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x 60) 2
asked by stephy 
chemistry
Water has an equilibrium vapor pressure of 23.8 mm Hg at 25 C. If 1.00 g H2O is sealed in a 20 L flask, what mass will remain in the liquid phase when equilibrium is established? ( 760 mmHg = 1 atm, R =0.0821 L.atm/mol.K)
asked by daniel 
physics
A loudspeaker diaphragm is vibrating in simple harmonic motion with a frequency of 430 Hz and a maximum displacement of 0.90 mm. what is the max speed? what is the max acceleration?
asked by Help Please! 
Psychology
In her lecture concerning scientific method, Dr. Smith insisted that each of the steps must be used in order to arrive at a scientific finding. She included directions to __________ in her list of necessary components. (Points: 5) form a question and
asked by Lisa 
Physics
What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually experiencing. The solution for this math problem is a percentage. You can calculate it using the Algebraic equation: gr = R2/r2 x g
asked by John 
chemistry
Calculate the energy (in eV) of the three lowest energy transitions in the Lyman series (the series that ends on n=1) of hydrogen. The wavelengths of these transitions are 121.6 nm, 102.6nm, and 97.3 nm. Draw an energy level diagram of these transitions
asked by Maria 
physics
During liftoff, a hotair balloon accelerates upward at a rate of 2.6 m/s^2. The balloonist drops an object over the side of the gondola when the speed is 12 m/s. How long does it take to hit the ground?
asked by Vi Tran 
american history
1. When the American Revolution began, it looked like the colonies faced insurmountable odds. How did a ragtag band of volunteers without a proper source of funding for food and equipment manage to overcome the most powerful army and navy in the world?
asked by ofelia 
beginning algebra
Solve for y. Write answer in simpliest form. 2+7/y=3/5
asked by anon 
physics
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 8560 N/C. The mass of the water drop is 3.80 109 kg.
asked by Anonymous 
Algebra
The perimeter of a rectangular lot is 190 ft. The width of the lot is 15 ft more than the length. What are the dimensions of the lot?
asked by Lima 
calculus (limits)
lim h>0 sqrt(1+h)1/h not sure how to factor this; not allowed to use L'Hopital's Rule. (that isn't taught at my school until Calc II & I'm in Calc I).
asked by John 
algebra 2
a store is offering a discount of 30% on a suit. There is a sales tax of 6%. A) using a composition of function, represent this situatio in which the discount is taken before the sales tax is applied. the answer is (1.06)(.7x) = .742x B) using a
asked by jennifer 
Organic Chemistry
Student A conducted the acidcatalyzed dehydration of ethanol at 180°C and obtained a gaseous product. Student B conducted the same experiment at 140 °C and obtained a lowboiling liquid. What were the products that each of the students made? Draw
asked by Catherine 
reading
big project part one due monday need help just in 5th grade
asked by janiaya 
Physics
The Bob of a simple pendulm oscillates with an amplitude of 0.02m and a period of 0.5s, calculate the speed of the bob through the equilibrium position?. Please help
asked by Ochuko 
physical science
What is the mass of a 10.0 cm3 cube of copper?
asked by joe 
College Algebra
Divide. (9x^310+19+6x^4)/(2x^2+3x3) Write your answer in the form Q(x)+ R(x)/ 2x^2+3x3, where Q(x) is the quotient and R(x) is the remainder.
asked by anon 
chemistry
We encounter a large number of waves every day without realizing it. One such source is radio waves. A typical frequency for radio transmission is 680 kHz. How much energy does one mole of radio waves carry? X rays used by doctors to view bones are much
asked by Maria 
chemistry
Suppose a sample of hydrogen gas is excited to the n=5 level. As the atoms return to the ground state (Balmer series), they emit light. a. How many lines are there in the spectrum? b. Draw an energylevel diagram indicating theses transitions. c. Calculate
asked by Maria 
physics
A small drop of water is suspended motionless in air by a uniform electric field that is directed upward and has a magnitude of 8560 N/C. The mass of the water drop is 3.80 109 kg.
asked by Anonymous 
chemistry
a very small gas bubble seen in a microscope has a diameter of 1 micrometer. If the pressure is one bar and the temperature is 25 degrees celsius calculate the number of gas molecules in the bubble
asked by emoni 
ethics
What is Mill’s response to the objection that the disinterested character that utilitarianism demands is unreasonable to expect?
asked by shantel 
Pre Calculus
Why can we use either common or natural logarithms to reexpress data that fit a power regression model? Couldn't really figure out what the relationship was.
asked by Laura 
Math
State domain, range, period, vertical asymptotes, zeros, symmetry and yintercept of y = 2tan(3x + 180) + 3
asked by me 
Algabra
Kathy bicycles 5 KM/h faster than Javier. In the same time it takes Javier to bicycle 57 km, Katy can bicycle 72 km. How fast does each bicyclist travel?
asked by Mary 
chemistry
A tube containing hydrogen atoms in the n=3 shell does not absorb visible light. The longest wavelength absorbed is 1875 nm. What state is the hydrogen atom in after absorbing a 1875 nm photon?
asked by Maria 
statistics
A researcher wants to estimate the proportion of a population which possesses a given characteristic. A random sample of size 250 is taken and 40% of the sample possesses the characteristic. The 95% confidence interval to estimate the population proportion
asked by John 
algebra
A coffee company wants a new flavor of cajun coffee. how many pounds of coffee worth $10 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?
asked by Doodle 
College Chemistry
1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas
asked by Arian 
personal
how much to invest with 12% return to get 1 million for the next 5 year
asked by Anonymous 
algebra 2
a store is offering a discount of 30% on a suit. There is a sales tax of 6%. A) using a composition of function, represent this situatio in which the discount is taken before the sales tax is applied. the answer is (1.06)(.7x) = .742x B) using a
asked by jennifer 
Chemistry
The melting temperature of the fluorides of selected alkali metals and alkaline earths are listed below (see Table). If one considers the trend of the listed melting temperatures in terms of both the ionic character of the bonds and the ionic potentials of
asked by Karl 
Calc
Express the limit as a definite integral on the given interval. Use Riemright and evaluate the sum by hand. lim n> infinity sigma with n on top and i=1 on the bottom [4  3(xi*)^2 + 6(xi*)^5]delta x, [0,2] Please help. I am really confused. To find delta
asked by Chelsea 
calculus
Use a graph to estimate the limit: lim θ>0 (sin(5θ)/θ) Note: θ is measured in radians. All angles will be in radians in this class unless otherwise specified.
asked by Brittany 
Math
Describe how the graph of y + 3 = 2sin(3x + 90) compares to the graph of y = sin(x)
asked by me 
chemistry
What is the mass, in kilograms, of the air in a room that measures 14.0 \times\; 13.0 \times\; 9.5 {\rm{ft}}?
asked by lisa 
Physics
Show that work done in a wire, E=YAsqr(e)/2l, explainthe symbols. pls help.thanks
asked by Ochuko 
Algebra
Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $2,500 for setup costs and $3.00 to administer each test. Write an expression that gives the total cost to test x animals
asked by Need Help 
Math
Evaluate the expression. (Simplify your answer fully. Unsimplified or decimal answers will be graded as incorrect.) [(1/2)^2]^3
asked by Amy 
CALC
(sqrt(9x+5)sqrt(68))/(x7) limit as x approaches 7 the answer i got was .0546 i am not sure if this is right also, if it is ...is there a more exact fraction .... like if the answer was 0.3333333 a better way to write it would be 1/3
asked by Bubba 
College Algebra
#2 Choose the end behavior of the graph of the polynomial function. f(x) 3x^3+3x^26x5. I got Falls to the left and rises to the right. Is this correct? Thanks
asked by Valerie 
excel
1. What types of reports might a sales manager want in order to see how well his/her team is doing? 2. GIven the reporting needs, what kinds of data summary would be useful? What Excel functionality might help him/her complete these types of summaries?
asked by Anonymous 
Life science
That portion of the earth in which living organisms are found?
asked by General 
Statistics
A consumer agency wanted to investigate if four insurance companies differed with regard to the premiums they charge for auto insurance. The agency randomly selected a few auto drivers who were insured by each of these four companies and had similar
asked by Jennifer 
Math
I have 2 questions involving inventory Question 1. Your a manager of an auto parts store.Figures below contains your records of the annual inventory figures for windshield wipers. Using the FIFO method of inventory pricing,hat is the dollor value of ending
asked by Mary Ann 
music
Please can anyone help me with a musical puzzle.... I'm looking for hidden GPS coordinates within the musical notation... I know it's Figured Bass...that much I have figured out... I have read up a bit... It must start with 53... That's obvious...
asked by Leigh 
algebra
Chu and Juan are each saving to buy the same two cd's. Chu is lacking $22 and Juan is lacking $3. When they combine their money they still do not have enough to buy the two cd's. What is the greatest number of whole dollars the two cd's could cost?
asked by lorie 
9th grade Math
In the multiplication problem A S __x__A____ M A N each letter represents a different one of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Which one of the ten digits does A represent?
asked by Trice 
statistics
if this are class scores and in one week i have bimodal distribution,another week a positive skew,3rd week a normal distribution and 4th week negative skew.what does this different scores tells you about thios tests , what is happening to the students
asked by frances 
Algebra
sorry it didn't paste the formula.. lets try again.... 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000/(2002x) a. What is the cost to remove 75% of the pollutant? I got $3,022,670,025
asked by Anonymous 
Chemistry
I would like to have 1 mole of Cl ions in 500ml of water, how many grams of NaCl do I weigh out for this solution?
asked by Lindsey 
physics
Can you please help me with this question? A person is flying through space with person B exactly 186000 miles behind. When person A wants to accelerate, he uses a flashlight to signal person B.This means they accelerate together and remain exactly
asked by gayathri 
COLLEGE ALGEBRA
can somebody help me with this problem....DONT GIVE ME THE ANSWER JUST HOW TO WORK IT... 2r + 8 / 4 = 3r  6 /3
asked by I HATE MATH!!! 
Psychology
Alexander, a fifth grade teacher, believes that Kimberly's behavior is a result of poor parenting. The school counselor is concerned with her inability to focus, attend to directions, and recall information from the previous day or events from earlier in
asked by Lisa 
Science
What is the density of a cylinder if the cylinder is 3.5 cm long and 4cm in diameter and has a mass of 120 g
asked by Alex 
english
For this sentence, What are the sources that prevent solving the issue? do i need the "in" between prevent and solving
asked by blaking 
College Math
What is the equation of the line Y=3X2 rotated 60 degrees clockwise about the point (2,5)? PLEASE HELP
asked by Jessica 
MATH EMERGENCY
Given Equation AX + BY + C = 0, which following conditions would be true for graph of line to have a negative slope and a postive yintercept? A. A>0, B>0, C>0 B. A>0, B0 C. A>0, B>0, C0, B
asked by Alison 
com/155
The 20 errors are in the following categories: comma usage (six errors); question marks, apostrophes, and quotation marks (five errors); capitalization (six errors); and colons, semicolons, and commonly misused words (three errors). Passage: Why are great
asked by student 
chemistry
calculate the pressure in Pa and bar of 10^23 gas particles each with a mass of 10^25 kg, in a 1 liter container if the rms speed is 100m/s
asked by noel 
College Algebra
Please help me Divide. (9x^310+19+6x^4)/(2x^2+3x3) Write your answer in the form Q(x)+ R(x)/ 2x^2+3x3, where Q(x) is the quotient and R(x) is the remainder.
asked by jen 
Math
Two sums of money are proportional to 8:9.n if the first is 20/ the other is
asked by Deepak 
Calculus
Find the integral of x/ (x^4+x^2+1) from 2 to 3. I was going to integrate using the method for partial fractions but I can't factor x^4+x^2+1.
asked by Rachel 
chemistry
the equilibrium constant is the ration of product concentration to reactant concentration at equilibrium. a reaction will likely go to completion if the equilibrium constant is what?
asked by brandi 
beginning algebra
Find the least common multiple of the two expressions 15v^4w^8 and 9vw^5x^4
asked by anon 
chemistry
How many moles of calcium bicarbonate are needed if 10.0 grams of sodium bicarbonate are used?
asked by stephen 
Spanish
Is it True That There are two versions of why the "casa de azulejos" ended up being completely tiled on the outside. Is It Tlso True That In our own national capitol, many homes now are owned by foreign governments for their ambassadors homes and offices.
asked by Needs Help 
History
How Would One Discuss This Topic: Japan controlled neighbors because it could. Japan also took over Korea and China because it needed land and resources. Japan is an island country, therefore, it needed a dependable source of raw materials. This is usually
asked by Needs Help 
Algebra
Determining whether the rational function f(x)=8x2+4*4x ihas symmetry?
asked by Thomas 
chemistry
Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?
asked by Maria 
chemistry
Light bulbs emit a broad spectrum of light; that is, they emit photons with a broad range of wavelengths. Suppose that 10% of the photons from a 75Watt (on watt is one joule per second) bulb are emitted with an average wavelength of 500 nm (middle of the
asked by Maria 
Medical Information Management
You're the new supervisor for the filing area of the health information management department. You notice a large rate of misfiles using the terminal digit filing system.What is the best approach to address the problem? A. Eliminate the terminal digit
asked by Jessica 
Finance
Strategic Initiative I have chosen amazon store online as my company. I need to come up with an intro and conclusion i have the body of the paper. Within these 2 paragraphs i need to describe the relationship between strategic and financial planning. How
asked by sasha 
physics
Points A and B move along two adjacent parallel paths. Initially A is 100 ft to the left of B, and each point has a velocity of 5 fps to the right. the velocity of A remains constant and the acceleration of B is 2 fps2 to the left. Determine the total
asked by John 
Algebra
Graph the inequality. 4x+3y>3
asked by Jessica 
chemistry
calculate the pressure (in Pascals and bar) of 10^23 gas particles each with a mass of 10^25 kg, in a 1 L container if the rms speed is 100m/s? What is the total kinetic energy of these particles? What is the temperature inside the container
asked by noel 
Fine Arts
21. Van Gogh painted many selfportraits. F? 23. Vige'eLebrun carried its neoclassic style to its highest point. ? Thanks MC
asked by mysterychicken 
math
show how 30/56 is smaller than 5/7 and 6/8
asked by martha 
Organic Chemistry
Write the mechanism for the reactions of: • (Z)3,6diethyloct4ene and bromine • (E)3,6diethyloct4ene and bromine Assign the R/S configuration for each of the products and determine the stereochemical relationship of each set of products.
asked by Trevor 
Math
Simplfy 7sqrt(3/6)
asked by Emily 
College Chemistry
1. From data below, calculate the total heat (in J) associated with the conversion of 0.514 mol ethanol gas (C2H6O) at 451°C and 1 atm to liquid ethanol at 25.0°C and 1 atm. (Pay attention to the sign of the heat.) Boiling point at 1 atm 78.5°C cgas
asked by Arian 
Statistics
A consumer agency wanted to investigate if four insurance companies differed with regard to the premiums they charge for auto insurance. The agency randomly selected a few auto drivers who were insured by each of these four companies and had similar
asked by Jennifer 
History
compare and contrast the lifestyles of the people from the stages of the middle ages
asked by Anonymous 
math
A male bee has only one parent( a mother) and a female bee has two parents(a mother and father). Assuming all ancestors are distinct, how many great, great, great, great grandparents does a male bee have.
asked by lorie 
Algebra
Did I do this right? 1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by a. What is the cost to remove 75% of the pollutant? I got $3,022,670,025
asked by Anonymous 
science
What is an hypothesis for this question; Do males and females play the same types of games?
asked by Michelle 
computers
computers are classified by price, processing speed, capacity, and
asked by Anonymous 
math
Describe the difference between the graph of y 3 = tan(2x + 180) and y = tan(x)
asked by stephy 
Math Need an explanation
Could someone please explain to me why this is true: 5^2/3x25^2/3=25 I understand problems like 5^4+5=5^5 is false, but it's simpler. I'm just not getting what makes the top problem true
asked by Anonymous 
social science
what are the policy measures under structural adjustment programmes? to what extent have these policies contributed to the economic growth and social wellbeing of the majority of developing countries
asked by mil 
beginning algebra
Solve the equation (u1)^2=2u^23u29 for u .
asked by anon 
physic
Example: A disc of radius R has a uniform charge per unit area ƒã. Calculate the electric field at a point P along the central axis of the disc at a distance x0 from its center.
asked by azad 
Physics
Two objects of same material are travelling near you. Object A is a 1.9 kg mass traveling 8.3 m/s; object B is a 2 kg mass traveling 5 m/s. Which object would make you feel worse if you are hit by it?
asked by Sangita 
College Algebra
#3 Choose the end behavior of the graph of the polynomial function. f(x) x(x3)(5x+2), I think I have to foil to get 5x^32x^2+15x+6 So I think this one rises to the left and falls to the right. Please let me know if I did these correctly. Thanks
asked by Valerie 
Medical Information Management
The original medical record is the property of the A. physician B. patient's attorney C. patient D. hospital or facility my answer is D. hospital or facility please, am i right?
asked by Jessica 
Medical Information Management
Medical records at willow nursing home have the following format: database, problem list, initial plan, and progress notes. What type of record format is this? A. Sourceoriented B. Integrated C. Problemoriented D. Serial My answer is a source oriented.
asked by Jessica 
Statistics
Please help me to solve this problem step by step. (14.44) = (14.4410)/[4.45/sqrt(35)] = 4.44*sqrt(35)/4.45
asked by Tee 
beginning algebra
Solve the equation (u1)^2=2u^23u29 for u .
asked by anon 
Grammar
I'm working with linking, transitive and intransitive verbs. For this sentence, do I need to write it as a statement? I think it is a linking verb. Intransitive? "What is the most popular song in the country this week?"
asked by Nick 
MATH
why do we use some math things that isn't going to help us in the future?
asked by DAJHANE STAPLETON 
chemistry
Excited lithium atoms emit radiation at 670.8nm. a. calculate the frequency of this radiation. b. calculate the energy (in eV) of this radiation. c. What color is this radiation?
asked by Maria 
Programming
Using your knowledge of pseudocode, conditional statements, and loops create a pseudocode document and flow chart that displays all numbers from 20 to 1 and indicate if the number is prime as it displays
asked by E 
Algebra
The total population of animals is directly proportional to the size of the habitat (in acres) polled. Write an equation using only one variable that could be used to solve for the constant of variation k. My answer: P=population a=acres P=k(a) Is this
asked by Anonymous 
Algebra 1
solve 3y+6x+3=9+6x. Would you be so kind to help me solve this problem so that I can understand the steps? Thank you kindly.
asked by Esther 
pre algebra
How do tou check and solve the equation 5w+2w+6w=4+9?
asked by Amber shall 
physics
Two cars start from rest at the same location and at the same instant and race along a straight track. Car A accelerates at 6.6 fps2 to a speed of 90 mph and then runs at this constant speed. Car B accelerates at 4.4 fps2 to a speed of 96 mph and then runs
asked by David 
math
this question concernc the function f(x)=2x^3+15x^2+24x21. Using the Second Derivative Test ,cassify the righthand stationary point . please need your help thanks for reading
asked by emy 
Chem Dr. Bob!
Posted by Rachel on Thursday, January 20, 2011 at 3:57pm. Does anyone know where I can get an image of the valence bond model for maleic acid? ie. showing the pi and sigma bonds and indicating the hybridization (sp2, sp3.. ) OR could someone describe these
asked by Rachel 
pre algebra
how would you solve and check the answer, back to the original problem for 3w+2+3w=4+9?
asked by Amber shall 
Algebra
A model train is made by connecting cars with possible lengths of 2 inches and 5 inches. what is the number of inches in the greatest impossible wholenumber length of such a train?
asked by Tim 
Physics
7. A warship with a mass of 1.5x106 kg, fired a 75 kg shell from a gun with a 3.0 m long barrel in 0.05 seconds. a. What was the acceleration of the shell?
asked by John 
Physics
If I have an originaloscilation frequency of .64 and amplitued of 15 What would doubling the mass of the object do to the freqency and amplitude?
asked by sierra 
Algebra
Hank has $56. Phillip has $12 less than hank. Write a numerical expression to represent phillip's total amount of money
asked by francy 
chemistry
What substance could be used to test if a sample of petrol contains any water as an impurity?
asked by anonymous 
science
i need help with science chapter 2 review
asked by ada 
Chemistry
Calculate the mass of 5.00 cubic feet of water at 25 degrees Celcius. I have no idea how to go from ft ^3 to temperature. Please help.
asked by Sam 
Math
Evaluate the expression: 8^4/3 Could someone please explain the process to me. I have no idea what I'm doing
asked by JIm 
Algebra 1B
ax^2+bx+c=0 solution: 9, only solution
asked by Tabitha 
Precalculus Someone help please
Evaluate the expression. [(3^3)x(3^5)/3^2]^1/2
asked by Sarah 
social studies
What action taken by Mexican officials changed the trade law?
asked by Elissa 
Math
6
asked by Tristan 
world history
Qué tipo de sistema político es encabezado por la reina Isabel II de Inglaterra? A) Dictadura B) Oligarquía C) Democracia pura D) Monarquía
asked by Anonymous 
CALC
(sqrt(9x+5)sqrt(68))/(x7) limit as x approaches 7 the answer i got was .0546 i am not sure if this is right also, if it is ...is there a more exact fraction .... like if the answer was 0.3333333 a better way to write it would be 1/3
asked by Bubba 
Calculus
What is the integral of 1tan^2theta from 0 to pi/3? Using the identity tan^2theta=sec^2theta1, I got my answer to be 2pi/3  sqrt*3 Can someone verify this for me please?
asked by Rachel 
College Algebra
Choose the end behavior of the polynomial function. f(x)= 5x^59x^2+6x+1. I got left end up right end down. Is this right? Thanks
asked by Valerie 
trig
given the point (x, 4/7) on the unit circle where x is less then
asked by Anonymous 
Probation
Write a 750 to 1,000word paper in APA format in which you assess the effectiveness of probation. In your paper you must address the following: •Define probation as a sentence. •Explain the probation process. •Explain your findings within each
asked by Kevin 
Medical Information Management
John Doe, a new patient, is assigned a medical number that has already been assigned to another patient. With a unit numbering system, how is this corrected? A. Both patients keep the same number. B. Move both patients documentation forward to the new
asked by Jessica 
grammar
Miss, give me that cake. In this sentence, is the subject "you" since it is imperative, or is the subject Miss. If you think of the sentence like this: (You) give me the cake, miss, it seems like it would be intransitive with an active verb. Is that right?
asked by Nick 
chemistry
(a) The characteristic emission from Ca occurs at 422.7 nm and corresponds to an electron going from a 4p orbital to a 4s orbital. Calculate the energy of the electron in the 4p orbital. Calculate Zeff for the electron in the 4p orbital. (b) The same 4p to
asked by Maria 
grammar
Trumpets and trombones are part of our band. In some ways this feels like part is a direct object, but it also seems like this could be an intransitive sentence.
asked by Nick 
Geometry
A plumber knows that if you shut off the water at the main valve, it is safe to remove the sink faucet. The plumber turns the main valve to the “Off” position. What conclusion can the plumber make?
asked by Needs Help 
math
Hi i forgot what the mode and mean are. Can anyone remind me??
asked by Erin 
algebra2
(1.06)(.7x) = .742x (1.06x)(.7) = .742x . how do you compare these composite functions?
asked by jennifer 
chemistry
If I was 100% water what would my volume be?
asked by stacy 
biology
If I was 100% water what would my volume be?
asked by stacy 
Math
Determine the domain and range of f(x)=sqrt(x+3) and the equation of the inverse.
asked by Emily 
Chemistry
Specifically for hydrogen, explain the four basic colors in the visible spectrum (also infrared section and UV section) absorption spectra. Thanks.
asked by Sarah 
Chemistry
NO(g) + CO2(g) NO2(g) + CO (g) ƒ´H¢X = ¡V100 kJ Which of the following will favor the forward reaction?Why? A) add NO B) remove NO2 C) decrease the volume of the container D) raise the temperature E) add CO
asked by Joshua