Questions Asked on
July 20, 2011

  1. human services 260

    why is it important for human services workers to know about financial management? two examples that tells your point.

    asked by laniece
  2. Calculus

    The circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use linear approximation to estimate the maximum error in the calculated surface area

    asked by Julie
  3. English

    Please check my work. Identify whether each sentence is complex, an exclamation, declarative, or interrogative. 1. Tim likes soup, so Mary bought tomatoes. Complex 2. Oh no! Exclamation 3. Do you want to play in the Garden? Interrogative 4. In the story,

    asked by Priya
  4. chem

    a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed.

    asked by ella
  5. math

    If $690 is invested in an account that earns 20.75%, compounded annually, what will the account balance be after 25 years? (Round your answer to the nearest cent.)

    asked by Anonymous
  6. Chemistry

    A NASA satellite showed that in 2003 the ozone hole was much larger than it was in 2002. The 2003 hole measured 1.04 x in diameter, while the diameter of the 2002 hole was 6.9 x Calculate the difference in size between the two holes in square meters

    asked by Norma
  7. math

    Subtract and simplify if possible c/(x+c)-c/(x-c)

    asked by shania
  8. chem

    why is hexane known as hydrocarbon?

    asked by jo
  9. HCA430

    Which has a greater influence on a person’s health: individual choices and actions (micro perspective) or community policies and resource availability (macro perspective)? Discuss three reasons why you selected one over the other. Your initial post

    asked by silvia
  10. Computer Science - MATLAB

    Thanks MathMate. Print plotting sounds awful O_O. What you suggested was correct and this code worked disp('Problem 13.9') x=[-2*pi:.00001*pi:2*pi]; a=0; y=sin(x-a); g=plot(x,y); title(sprintf('sin(x-%.2f)\n',a)) grid on; set(g,'EraseMode','xor') while a

    asked by Lee
  11. chemistry

    The reaction of calcium bicarbonate, Ca(HCO3)2 with hydrochloric acid, HCl, produces a solution of CaCl2, gaseous carbon dioxide, CO2, and water, H2O. Write a balanced chemical equation for this reaction and determine the volume of CO2, in mL, that forms

    asked by terria
  12. Science

    how many gram of oxygen in persent in 36 gram of water?

    asked by Deepak
  13. Computer Science - MATLAB

    Create a stacked contour plot of the MRI data, showing the first, eight, and twelfth layer of the data. An MRI visualization example is shown in the help tutorial. Copy and paste the commands into an M-file and run the example. Be sure to add the clf

    asked by Lee
  14. Maths

    What is the estimate of the following quotient: 48.3 divide by 7

    asked by Alexis
  15. Maths

    What is the estimate quotient of the following: 48.3 divided by 7

    asked by Alexis
  16. math

    differentiate y=e^x/(x)^(1/2).i need the calculation work.[ans: e^x/x^(1/2) - e^x/2x^(3/2)]

    asked by elli
  17. health

    hi there i realy need a script about noise pollution plz help me.thanks :D

    asked by Sam
  18. govt

    what system of government gives all key powers to the national government.

    asked by Anonymous
  19. govt

    Third parties are also called minor parties theocratic parties anti-Republicans authoritarian partie

    asked by Anonymous
  20. math

    f'(x).... y=(e^x-e^-x)/(e^x+e^-x). I need the calculation work. [ans: 4/(e^x+e^-x)^2]

    asked by ella
  21. math

    lim (7-6x^5)/(x+3).... the lim is x->+infinity [ans=-infinity but i get 0] can someone show me the calculation work.

    asked by ella
  22. Baking

    Explain how a pan's surface affects the outcome of the baked product?

    asked by Michael
  23. math

    lim (2x^2+3x-2)/ (2x-1) the lim is x->1/2 [ans:5/2 but i get 3/2) can someone show me the calculation work.

    asked by ella
  24. chem

    a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed.

    asked by susan
  25. intermediate algebra

    Find the product. -9y^2(y^4+8y^3-y^2+8y+7)

    asked by Mike
  26. intermediate algebra

    find the product. (5x-6y)(5x+6y)

    asked by Mike
  27. math

    i really don't understand why this 1-lim 3/(y+4) [the lim is x->infinity] the ans is 0 while this 2-lim (7-6x^5)/(x+3) [x->+infinity ] is - infinity. can anyone explain why the 1 is zero & the 2 is infinity.

    asked by susan
  28. intermediate algebra

    find the product.(7x^2-y)(7x^2+y)

    asked by Mike
  29. English

    Please check my work. Identify whether each sentence is complex, an exclamation, declarative, or interrogative. 1. Tim likes soup, so Mary bought tomatoes. ----- Complex 2. Oh no! ----- Exclamation 3. Do you want to play in the Garden? ----- Interrogative

    asked by Priya
  30. English

    Can you please check these few sentences, please? Thank you very much in advance. 1)I let you know about our daily timetable as soon as possible. 2) I believe you could meet at the hotel every day at around 5.45 for one or two hours of conversation

    asked by Henry2
  31. Algebra

    What is the equation of the line that passes through point (7,-2) and is perpendicular to the line y=1/3x+4 A. y=3x+19 B. y=3x-19 C. y=-3x=19 D. y=1/3x+19 E. y=1/3x+2

    asked by Deja
  32. Algebra

    Please show work because I have multiple questions like this and it will help me do the others. Thanks! Solve -12=w/-4. a. -48 b. -3 c. 3 d. 48

    asked by Deja
  33. math

    A pyramid has a volume of 16 and an altitude of 5. What is the area of its base

    asked by Anonymous
  34. algebra

    The half-life of 234U, uranium-234, is 2.52 105 yr. If 97.7% of the uranium in the original sample is present, what length of time (to the nearest thousand years) has elapsed?

    asked by Anonymous
  35. college algeb

    when ax^2+bx+c is divided by x-1, the remainder is 10 if the same poly. is divided by x+2 the remainder is 1. x+1 is a factor of the polynomial. Find a,b, and c.

    asked by rock
  36. math

    how to d/dx x^2/(x-1)^(1/2)? [ans: (x(3x-4))/(2(x-1)^(3/2))but i get (x(3x-4))/(2(x-1)^(5/2))].

    asked by susan
  37. Math

    Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

    asked by Jen
  38. geometry

    1] find the degree measure of an angle which is 4 divide by 5 of its complement 2]likewise 1 divide by 2

    asked by fredie
  39. geometry

    The points A(3;1), B(1;-2) and C(2;3) in a cartesian plane are given. If CD is parallel to AD with D(t/3;t+1) determine the value of t

    asked by steffi
  40. Analytical Chemistry

    How do I find the mass of KHP? 0.5050 grams of KHP was used and placed into a 250mL volumetric flask and diluted to the mark with distilled water. 50.00mL of this KHP solution was placed in a 250mL beaker. It took 14.75mL of 0.0067M of NaOH to reach the

    asked by Linda
  41. MATLAB for MathMate

    Would you please help Lee with his problem? Sra

    asked by SraJMcGin
  42. algebra

    Kim is 9 years older than her siater. kim is one more than 3 times her sisters age. How old is kim?

    asked by lisa
  43. introduction to computers

    Which type of high speed memory is common to almost all personal computers? a)L1 b) L2 c)L3 d)L4 is a) correct answer?thank you

    asked by vedrana
  44. Eath Science

    Please help me on these questioons (Science homework)? 1. When people decide to use resources in the environment carefully it is _______ a) erosion b) restoration c) conservation d) ecology e) geology 2.Preservation of resources means________ a) using

    asked by Tommy
  45. Statistics

    Suppose we have a population of scores with a mean (ì) of 200 and a standard deviation (ó) of 10. Assume that the distribution is normal. Provide answers to the following questions: What score would cut off the top 5 percent of scores? What score would

    asked by Sam
  46. partial fractions

    (7x^2-16)/(x^2-2x) solve by using partial fraction decomposition. i cant figure out how to do this because after i split up the bottom the A and B don't end up having an x^2 in order to equal the numerator of the original fraction. so confused!

    asked by gabs
  47. Physics

    Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable attached to the glider. What average power must the winch supply in order to accelerate a 163-kg ultralight glider from rest to 27.9 m/s over a horizontal

    asked by Kristi
  48. Physics

    A 49.9-g golf ball is driven from the tee with an initial speed of 48.8 m/s and rises to a height of 24.0 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. (b) What is its speed when it is 5.42 m below its

    asked by Kristi
  49. physics

    if W(a) and W(g) are workdone on a person by air resistance and gravity respectively, during the first 600m of his fall what is the relationship between W(a) and W(g)

    asked by lol
  50. physics

    what is the relationship between the distance fallen from an object as a function of time for an object experiencing air resistance.

    asked by ike
  51. physics

    what causes an object to experience an artificial gravitational acceleration in a rotating space station

    asked by ikemaze
  52. physics II

    the lens to retina distance in the human eye averages 2.0cm what is the power of the lens of the human eye

    asked by kb
  53. principle of marketing

    Why would a company use an undifferentiated targeting strategy? ____a. The needs of individual consumers are similar, and distinctive marketing mixes are required to satisfy them. ____b. The undifferentiated strategy requires less time and fewer resources.

    asked by vedrana
  54. chemistry

    what is the angular momentum quantum number for the orbital from which an Mg atom loses two electrons to form Mg2+ ion.

    asked by kb
  55. biology

    hemophilia is a sex linked recessive disorder. A man who has a hemophilia has a daughter who has a normal phenotype. She marries a man who also does not have hemophilia. what is the chance that they will have a daughter who has hemophilia? what chance will

    asked by sushk
  56. biology: genetics

    You are attempting to determine whether a plant-derived processed food sample (for example, a corn chip) contains material from a genetically-modified organism (GMO). First, you crush the sample and attempt to extract DNA from it. Next, you perform PCR

    asked by billy
  57. principle of marketing

    Kleenex Boutique is brand n of tissue made by the Kimberly Clark: a)mark b)identification c)name d)guarantee is C correct?thank you:)

    asked by vedrana
  58. chemistry

    ? [H3O+] in 0.15 M C2H2H8 and 0.35 M C2H2H9Cl

    asked by hal
  59. Math-probability

    In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

    asked by Jen
  60. Trig: Conics

    Sketch the graph and find following info: Vertex: Focus: Directrix: Axis of Symmetry: Ends of Latus Rectum: (x-2)^2=4(y-3) I think the vertex is (2,3) is this correct, and how do I proceed on? Thank you!

    asked by EVJ
  61. Chem

    I have a chemistry test that I need help with. My answers have stars by them Can someone please help me with the answers to this test??? Part 1 – Matter as Energy & Structure 1. When a pair of electrons is shared between two atoms, a covalent bond is

    asked by Winona
  62. principle of marketing

    Morgan's decided to put a much larger share of its promotion budget into ____ because of the heavy reliance it will be placing on coupons in the second quarter. a. advertising b. sales promotion c. public relations d. personal selling IS B CORRECT ANSWER

    asked by vedrana
  63. accounting

    On December 31, 2008, University Theatres issued $500,000 face value of bonds. The stated rate is 6 percent, and interest is paid semiannually on June 30 and December 31. The bonds mature in 10 years. Required: If required, round your answers to the

    asked by me
  64. Child Psychology

    I need help, could someone please check my answers to these five questions below. If I answered any that were wrong, please help me to identify the right answer. Thank you. 3. Even though her mother-in-law insists she is wrong, Danielle knows that which of

    asked by Sharon
  65. management of international business

    1)what are the main changes in this current global market? 2) how do you define a global manager?

    asked by janki
  66. chemistry

    Re-post ? [H3O+] in 0.15 M C2N2H8 and 0.35 M C2H2H9Cl; Kb= 4.7 x 10^-4

    asked by hal
  67. algebra

    Find the vertex angle of an isosceles triangle with base angles of (3x+10) and (8x-15). Show your work for credit.

    asked by calisha
  68. math

    List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed

    asked by trenda
  69. PHSC

    Hello, i need help. This is Work-Energy Theorum A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg

    asked by latrice
  70. rate of reaction

    What is the initial rate of *appearance* of SO3(g)? a reaction and table are given: reaction: 2S02(g)+O2 -------> 2 SO3(g) Table note: i= initial, IRD= initial rate of disappearance; concentrations given in molarity (M) IRD given in M/s. Experiment [SO2]i

    asked by j
  71. rate of reaction (formatted repost)

    I can't get my table to line up so I've surrounded the values in curly brackets. Experiment [SO2]i [O2]i IRD O2 {1} {0.05} {0.05} {7.3*[10^(-2)]} {2} {0.10} {0.05} {2.9*[10^(-2)]} {3} {0.10} {0.15} {2.6*[10^(-1)]} {4} {0.12} {0.12} {?????????????} so

    asked by j
  72. chemistry

    Im brenda,n i found its hard copng in chemistry.im dng grd 11,n i wish 2 hv sm1 wo wil help m cope.tnx

    asked by Brenda nyathikazi
  73. equilibrium constant (Kp)

    What is the equilibrium constant "Kp" at 200 C for the reaction below: P4(s) + 6 Cl2(g) -->

    asked by k
  74. principle of marketing

    are offers of cash to customers who purchase a specific product, and ____ are offers of cash to customers who purchase a specific quantity of a specific product. a. Rebates; refunds b. Cents-off; refunds c. Rebates; premiums d. Rebates; money refunds is D

    asked by vedrana
  75. Child Psychology

    I need someone to let me know if I answered these two questions correctly. 1st Question Amy knows that when she runs over and stands quietly by her grandfather's chair, he will reach over and tickle her under her chin. When a child learns to behave in a

    asked by Sharon
  76. pressure change

    What is the pressure change for the reaction below at 25 C in the process of reaching equilibrium if there is initially enough ammonium hydrogen sulfide to reach equilibrium? Kp= 4.0*(10^4) NH3(g)+H2S(g) --->

    asked by l
  77. chemistry

    What is the pressure change for the reaction below at 25 C in the process of reaching equilibrium if there is initially enough ammonium hydrogen sulfide to reach equilibrium? Kp= 4.0*(10^4) NH3(g)+H2S(g) --->

    asked by l
  78. chemistry

    What is the equilibrium constant "Kp" at 200 C for the reaction below: P4(s) + 6 Cl2(g) -->

    asked by l
  79. chemistry

    What is the result expected when alkanols are tested on a litmus paper ?

    asked by David
  80. Math

    In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

    asked by Jen
  81. speech

    Some dragons may have a modification in this breath weapon - what part of speech is modification

    asked by Chanel
  82. chemistry

    What is the result we get when NaOH and Na2CO3 solution are added to alcohol respectively in difference test tubes? (2)Discuss the reactions of aldehydes with fehling's solution.Give the relevant equation. (3)How would ethanoic acid react with ammonia(NH3)

    asked by David
  83. statistics

    The 92 million Americans of age 50 and over control 50% of all discretionary income (AARP Bulletin, March 2008). AARP estimated that the average annual expenditure on restaurants and carry out food was $1873 for individuals in this age group. Suppose this

    asked by Anonymous
  84. Physical science

    A car moving at 50km/hr skids 15m with locked brakes. How far will the car skid (with locked brakes if the car moves at 100km/hr assume that the mass of the car is 500kg

    asked by latrice
  85. chemistry

    What is the result we get when NaOH and Na2CO3 solution are added to alcohol respectively in difference test tubes? (2)Discuss the reactions of aldehydes with fehling's solution.Give the relevant equation. (3)How would ethanoic acid react with ammonia(NH3)

    asked by David
  86. unstanding psychology

    the means of travel within and between neurons is different because: a. electrical signals move impulses within the neuron, while chemical signals move the impulses between neuron. b. chemical signals move the impulses within the neuron, while electrical

    asked by Deanie
  87. chemistry

    A sample of ammonia gas at 65.5°C and 0.921 atm has a volume of 15.31 L. What is its volume when the temperature is -15.8°C and its pressure is 0.921 atm?

    asked by blake
  88. Physics

    A uniform bar of iron is supported by a lon, uniform Hooke's Law spring. The spring is cut in half exactly and the two pieces are used to support the same bar. If the whole spring is stretched by 4 cm in the first bar (that is not cut in half) how much

    asked by Capreeca
  89. psychology of personality

    The way you see and define your self is known as your a) self-esteem b)self concept c)social identity d)self-esteem variability is a correct answer? thank you

    asked by vedrana
  90. English

    Please check my work. Identify whether if this sentence is complex, an exclamation, declarative, or interrogative. The car broke down, but a rescuer van arrived within minutes. ----- Complex

    asked by Priya
  91. english 204

    the dog is quiet, but the cat is missing. I want to know the voice and structure of this sentence

    asked by soliah
  92. science

    write down ten balanced equations

    asked by gabriel
  93. Computer Science - MATLAB

    thanks mathmate. It's way above my head to. I got another question Consider the following two equations: x^2 + y^2 = 42 x + 3y + 2y^2 = 6 Define a symbolic equation for each, and solve it by using MATLAB's symbolic capability. Could you solve these

    asked by Lee
  94. physics

    a car moving with constant acceleration covered a distance of 50 metres between two points in 5 seconds. if the velocity of the car at the second point is 16 metres per second. what is the acceleration of the car. what the velocity of the car at the first

    asked by kofi
  95. Paseo

    Today's hikers prefer a shoe that is six inches high, is made of leather, and thick sturdy composition soles. What correction should be made to this sentence?

    asked by Anonymous
  96. algebra

    A clerk was asked to change a $10 bill. She returned 9 more dimes than nickels and twenty-one more quarters than dimes. How many coins of each did she return? Solve using the V.E.S.T. method.

    asked by Sally
  97. Physics

    All the formulars for solving motion under gravity and waves

    asked by Aliyu
  98. Calculus

    A ball of radius 14 has a round hole of radius 8 drilled through its center. Find the volume of the resulting solid

    asked by Jordan
  99. math

    If a translation maps point (3, 2) to (4, 5); or T : (3, 2) (4, 5), indicate the image for (2, 4).

    asked by robbie
  100. Intro to calc

    3 numbers x y and z are to bea randomly chosen between 0 and 1. A What is the probability that X + y + z will be less than 1? B What is the probability that both x+ y

    asked by Jane
  101. English

    Please check my work. Which word is correct? 1. I think (there, their, they're) son is the quarterback of the team. ---> "there" 2. The strom didn't have as much (affect, effect) on our community as it did no others. ---> effect 3. He is much bigger (than,

    asked by Priya
  102. Chemistry

    What is the ph of 2.5 M solution of HClO4?

    asked by Josh
  103. Algebra

    If the profit equation for the monthly sales of tile sets is P = -x^2 + 56x - 300, how do I find the number of tiles that yeilds the most profit. x=number of tile sets. The amount of money for costs each month is set at $300. I saw an answer as 28 tile

    asked by Aria
  104. Chemistry

    On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500. torr. Determine the boiling point of water at this location. The heat of vaporization of water is 40.7 kj/mol.

    asked by San
  105. phil

    According to Sartre, what makes us uniquely free?

    asked by Anonymous
  106. Chemistry

    Is it possible to calculate heat of vaporization if i only have pressure and temperature.

    asked by San
  107. Math

    A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?

    asked by mike
  108. Trigonometric Expressions

    Simplify and write the trigonometric expression in terms of sine and cosine: tanxcscx= 1/f(x) What does f(x)=

    asked by Anonymous
  109. physics

    A partical is projected vertically upward with speed 20 m/s. What will be the time after particle is at a height 15m above the ground( g=15 m/s*s)

    asked by Anil
  110. Marketing

    Wanted to know how to answer the following questions related to a small copier company. See below. Development: What is the training medium? Training mediums include internal, external, contracted, or outsourced.

    asked by Tee
  111. chemistry

    sample of liquid water at 100 degrees C absorbs 113 kJ of heat. HOw much water will be converted to steam heat vaporization if water is 2.26 kJ/g I just need help with what formula to set this up

    asked by LG
  112. physics

    A 989 kg automobile is moving at 15.6 m/s at a height of 5.0 m above the bottom of a hill when it runs out of gasoline. The car coasts down the hill and then continues coasting up the other side until it comes to rest. Ignoring frictional forces and air

    asked by Steve
  113. stats

    A set of 50 data values has a mean of 30 and a variance of 4. I. Find the standard score (z) for a data value = 26. II. Find the probability of a data value < 26. I think the first part is z=(26-30)/4 = -4/4 = -1. I am not sure how to go about the second

    asked by Celest
  114. Earth Science

    How is the local hydrologic cycle affected by the practice of drawing drinking water from a river and then returning sewage to the same river? Can anyone please help?????? THANKS A LOT!!!!!

    asked by Cynthia
  115. Calculus

    Use the Law of sines to find the remaining sides. 1. a=40 degrees; Beta=87; c=115

    asked by Josh
  116. chemistry

    RATE = ([ Na2S2O3]/time) = k [I-]a [BrO3-]b [HCl]c 1A) You mix together in the proper manner the following: 10.0 mL of .0100 M Potassium Iodide 10.0 mL of .00100 M Sodium thiosulfate 10.0 mL of water 10.0 mL of .0400 M Potassium Bromate 10.0 mL of .100 M

    asked by Krisha
  117. physics

    If velocity v of particle moving in straight line is related with distance travelled S as v=2(1+S)^1/2. What will the acceleration of the particle?

    asked by Pappi
  118. management

    Where can I found information on how how ISO assures quality?

    asked by patiance
  119. programming

    write a program that asks the user to enter an objects mass, and then calculates and displays its weight.

    asked by Anonymous
  120. math

    When m is divided by 7, the remainder is 2. What is the remainder when 4m is divided by 7? Please give me an explanation and not just the answer! Thankss:)

    asked by Jennifer
  121. math

    dy/dx of the following: x^2y^2=2/x^2 [ans:-1/x^4y -y/x]. i need the calculation work.

    asked by susan
  122. English

    Corrct the 10 mistakes found in the paragraph. You may have notice this plant Aloe barbadensis in your garden or neighbourhood,but may have not realise its medicinal property. (corrct noticed, realised, capitalise B in Barbadensis) It is used to cure many

    asked by Hoa
  123. geometry

    Using the information about John, Jason, and Julie, can you uniquely determine how they stand with respect to each other? On what basis? Statement 1: John and Jason are standing 12 feet apart. Statement 2: Julie is standing 31º NW of Jason. Statement 3:

    asked by Lydia
  124. English

    Rewrite the following sentencesto make them effective and precise. 1. The newspaper reported about how the hostages in Jolo were rescued. The newspaper reported about the hostages' rescue. 2. In actual fact, he posed as a policeman to extort money from the

    asked by Hoa
  125. chem

    a mixture of 50g of S & 1x10^2g of Cl2 reacts completely to form S2Cl2 &SCl2. Find the mass of S2Cl2 formed. (ans:20.2g) i need the calculation work bcus i got diff. from the ans which is 70.2g.

    asked by lily
  126. chem

    compute theoretical yield (g) ~2Al+3Cl2->2AlCl3 ~2g Al, 2g Cl2 [ans:2.5g AlCl3] i need the calculation work bcus i got diff from the ans which is 7.12 g.

    asked by lily
  127. algebra

    Solve by elimination method 3x+4y=5 6x+8y=10

    asked by lola