Questions Asked on
January 22, 2011

  1. 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
  2. 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
  3. Algebra

    find the measure of an angle whose supplement measures two times its measure

    asked by Help
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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 10-7 M/s Exp. 2: 0.00544 M 1.11 10-6 M/s

    asked by Nagaa
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. chemistry

    Hydrogen-like 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 lowest-energy transition in the Lyman and

    asked by Maria
  18. Math

    The revenue for a business is modeled by the function R(x)=-2.8(x-10)^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
  19. 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
  20. 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
  21. 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
  22. 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 y-axis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x- 60) -2

    asked by stephy
  23. 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
  24. 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!
  25. 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
  26. 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
  27. 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
  28. physics

    During liftoff, a hot-air 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
  29. 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
  30. beginning algebra

    Solve for y. Write answer in simpliest form. 2+7/y=3/5

    asked by anon
  31. 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 10-9 kg.

    asked by Anonymous
  32. 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
  33. 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
  34. 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
  35. Organic Chemistry

    Student A conducted the acid-catalyzed 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
  36. reading

    big project part one due monday need help just in 5th grade

    asked by janiaya
  37. 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
  38. physical science

    What is the mass of a 10.0 cm3 cube of copper?

    asked by joe
  39. College Algebra

    Divide. (9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x) is the remainder.

    asked by anon
  40. 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
  41. 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 energy-level diagram indicating theses transitions. c. Calculate

    asked by Maria
  42. 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 10-9 kg.

    asked by Anonymous
  43. 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
  44. ethics

    What is Mill’s response to the objection that the disinterested character that utilitarianism demands is unreasonable to expect?

    asked by shantel
  45. Pre Calculus

    Why can we use either common or natural logarithms to re-express data that fit a power regression model? Couldn't really figure out what the relationship was.

    asked by Laura
  46. Math

    State domain, range, period, vertical asymptotes, zeros, symmetry and y-intercept of y = -2tan(3x + 180) + 3

    asked by me
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. personal

    how much to invest with 12% return to get 1 million for the next 5 year

    asked by Anonymous
  53. 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
  54. 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
  55. 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
  56. 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
  57. Math

    Describe how the graph of y + 3 = 2sin(3x + 90) compares to the graph of y = sin(x)

    asked by me
  58. 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
  59. Physics

    Show that work done in a wire, E=YAsqr(e)/2l, explainthe symbols. pls help.thanks

    asked by Ochuko
  60. 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
  61. Math

    Evaluate the expression. (Simplify your answer fully. Unsimplified or decimal answers will be graded as incorrect.) [(-1/2)^-2]^3

    asked by Amy
  62. CALC

    (sqrt(9x+5)-sqrt(68))/(x-7) 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
  63. College Algebra

    #2 Choose the end behavior of the graph of the polynomial function. f(x) 3x^3+3x^2-6x-5. I got Falls to the left and rises to the right. Is this correct? Thanks

    asked by Valerie
  64. 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
  65. Life science

    That portion of the earth in which living organisms are found?

    asked by General
  66. 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
  67. 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
  68. 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
  69. 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
  70. 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
  71. 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
  72. 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/(200-2x) a. What is the cost to remove 75% of the pollutant? I got $3,022,670,025

    asked by Anonymous
  73. 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
  74. 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
  75. 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!!!
  76. 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
  77. 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
  78. 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
  79. College Math

    What is the equation of the line Y=3X-2 rotated 60 degrees clockwise about the point (2,5)? PLEASE HELP

    asked by Jessica
  80. 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 y-intercept? A. A>0, B>0, C>0 B. A>0, B0 C. A>0, B>0, C0, B

    asked by Alison
  81. 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, semi-colons, and commonly misused words (three errors). Passage: Why are great

    asked by student
  82. 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
  83. College Algebra

    Please help me Divide. (9x^3-10+19+6x^4)/(-2x^2+3x-3) Write your answer in the form Q(x)+ R(x)/ -2x^2+3x-3, where Q(x) is the quotient and R(x) is the remainder.

    asked by jen
  84. Math

    Two sums of money are proportional to 8:9.n if the first is 20/- the other is

    asked by Deepak
  85. 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
  86. 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
  87. beginning algebra

    Find the least common multiple of the two expressions 15v^4w^8 and 9vw^5x^4

    asked by anon
  88. chemistry

    How many moles of calcium bicarbonate are needed if 10.0 grams of sodium bicarbonate are used?

    asked by stephen
  89. 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
  90. 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
  91. Algebra

    Determining whether the rational function f(x)=8x2+4*4x ihas symmetry?

    asked by Thomas
  92. 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
  93. 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 75-Watt (on watt is one joule per second) bulb are emitted with an average wavelength of 500 nm (middle of the

    asked by Maria
  94. 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
  95. 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
  96. 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
  97. Algebra

    Graph the inequality. 4x+3y>-3

    asked by Jessica
  98. 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
  99. Fine Arts

    21. Van Gogh painted many self-portraits.- F? 23. Vige'e-Lebrun carried its neoclassic style to its highest point.- ? Thanks -MC

    asked by mysterychicken
  100. math

    show how 30/56 is smaller than 5/7 and 6/8

    asked by martha
  101. Organic Chemistry

    Write the mechanism for the reactions of: • (Z)-3,6-diethyl-oct-4-ene and bromine • (E)-3,6-diethyl-oct-4-ene 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
  102. Math

    Simplfy 7sqrt(3/6)

    asked by Emily
  103. 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
  104. 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
  105. History

    compare and contrast the lifestyles of the people from the stages of the middle ages

    asked by Anonymous
  106. 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
  107. 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
  108. science

    What is an hypothesis for this question; Do males and females play the same types of games?

    asked by Michelle
  109. computers

    computers are classified by price, processing speed, capacity, and

    asked by Anonymous
  110. math

    Describe the difference between the graph of y -3 = -tan(-2x + 180) and y = tan(x)

    asked by stephy
  111. 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
  112. 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
  113. beginning algebra

    Solve the equation (u-1)^2=2u^2-3u-29 for u .

    asked by anon
  114. physic

    Example: A disc of radius R has a uniform charge per unit area ċ. 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
  115. 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
  116. College Algebra

    #3 Choose the end behavior of the graph of the polynomial function. f(x) -x(x-3)(5x+2), I think I have to foil to get -5x^3-2x^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
  117. 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
  118. 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. Source-oriented B. Integrated C. Problem-oriented D. Serial My answer is a source oriented.

    asked by Jessica
  119. Statistics

    Please help me to solve this problem step by step. (14.44) = (14.44-10)/[4.45/sqrt(35)] = 4.44*sqrt(35)/4.45

    asked by Tee
  120. beginning algebra

    Solve the equation (u-1)^2=2u^2-3u-29 for u .

    asked by anon
  121. 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
  122. MATH

    why do we use some math things that isn't going to help us in the future?

    asked by DAJHANE STAPLETON
  123. 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
  124. 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
  125. 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
  126. 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
  127. pre algebra

    How do tou check and solve the equation -5w+2w+6w=-4+9?

    asked by Amber shall
  128. 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
  129. math

    this question concernc the function f(x)=2x^3+15x^2+24x-21. Using the Second Derivative Test ,cassify the right-hand stationary point . please need your help thanks for reading

    asked by emy
  130. 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
  131. 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
  132. 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 whole-number length of such a train?

    asked by Tim
  133. 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
  134. 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
  135. 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
  136. chemistry

    What substance could be used to test if a sample of petrol contains any water as an impurity?

    asked by anonymous
  137. science

    i need help with science chapter 2 review

    asked by ada
  138. 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
  139. 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
  140. Algebra 1B

    ax^2+bx+c=0 solution: 9, only solution

    asked by Tabitha
  141. Precalculus Someone help please

    Evaluate the expression. [(3^-3)x(3^5)/3^-2]^-1/2

    asked by Sarah
  142. social studies

    What action taken by Mexican officials changed the trade law?

    asked by Elissa
  143. Math

    6

    asked by Tristan
  144. 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
  145. CALC

    (sqrt(9x+5)-sqrt(68))/(x-7) 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
  146. Calculus

    What is the integral of 1-tan^2theta from 0 to pi/3? Using the identity tan^2theta=sec^2theta-1, I got my answer to be 2pi/3 - sqrt*3 Can someone verify this for me please?

    asked by Rachel
  147. College Algebra

    Choose the end behavior of the polynomial function. f(x)= -5x^5-9x^2+6x+1. I got left end up right end down. Is this right? Thanks

    asked by Valerie
  148. trig

    given the point (x, 4/7) on the unit circle where x is less then

    asked by Anonymous
  149. Probation

    Write a 750- to 1,000-word 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
  150. 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
  151. 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
  152. 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
  153. 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
  154. 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
  155. math

    Hi i forgot what the mode and mean are. Can anyone remind me??

    asked by Erin
  156. algebra2

    (1.06)(.7x) = .742x (1.06x)(.7) = .742x . how do you compare these composite functions?

    asked by jennifer
  157. chemistry

    If I was 100% water what would my volume be?

    asked by stacy
  158. biology

    If I was 100% water what would my volume be?

    asked by stacy
  159. Math

    Determine the domain and range of f(x)=-sqrt(x+3) and the equation of the inverse.

    asked by Emily
  160. 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
  161. 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