Questions Asked on
April 21, 2010

  1. Gen cmehistry

    Calculate the hydroxide ion concentration in an aqueous solution that contains 3.50 x 10-3 M in hydronium ion.

  2. Physics

    A non-rotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming no external torques, what is the final common angular speed of the two disks?

  3. English

    1.Having studied small engine repair in night school, fixing the lawn mower was easy. misplaced modifier dangling modifier faulty predication incomplete comparison Question 2 When I asked for a submarine, the convenience store clerk said he didn't have

  4. corporate finance

    you are thinking of retiring. your retirement plan will pay you either $250,000 immediately on retirement or $350,000 five years after the date of your retirement. which alternative should you chose if the interest rate is a) 0% per year; b) 8% per year

  5. English

    Question 22 Identify the type of organization used in the following sentence: I went to the buffet six times, and I still saved room for dessert. subordination coordination religious secular Question 23 Identify the type of organization in the following

  6. CHEMISTRY

    Hello, I am having trouble balancing this redox reaction WITHOUT using the half-reaction method. I believe this is because not all of the elements are in (aq). BrO3-(aq) + N2H4(g) --> Br-(aq) + N2(g) Br is reduced by a factor of 6. N is oxidized by a

  7. English

    Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole D hyperbole

  8. Chemistry

    For which of the following atoms is the 2+ ion paramagnetic? Sn Mg Zn Mn Ba The answer is Mn. How do you figure this question out?

  9. English

    Question 17 Mortality weighs heavily upon me like an unwilling sleep. Samuel Johnson metaphor simile personification hyperbole my answer B

  10. punctuation and grammar

    My little sister is a big baby; she cries all the time. is this punctuation right? compound sentences use semicolons but i am not sure if this is one?

  11. math/geometry pls help

    A coin of radius 1 cm is tossed onto a plane surface that has been tesselated by right triangles whose sides are 8 cm, 15 cm, and 17 cm long. What is the probability that the coin lands within one of the triangles?

  12. Finance

    Brown Enterprises’ bonds currently sell for $1,025. They have a 9-year maturity, an annual coupon of $80, and a par value of $1,000. What is their current yield? 7.80% 7.90% 9.00% 9.10% 9.20%

  13. English

    The reason she is not here is because she is ill. misplaced modifier dangling modifier faulty predication incomplete comparison answer A

  14. English

    Question 15 When is the blessed event supposed to take place? Blessed event is jargon sexist language euphemism colloquial my answer D

  15. English

    Since I was hungry again in an hour, I went to Whataburger. secular religious subordination coordination my answer coordination

  16. English

    When is the blessed event supposed to take place? Blessed event is jargon sexist language euphemism colloquial I want to say euphemism but Jargon is everyday language that we use.

  17. physic

    In an accidental explosion, a satellite breaks in half while in circular orbit about Earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?

  18. algebra

    d=55t solve for t: help me to understand how to do this

  19. physics

    Suppose an occlusion in an artery reduces its diameter by 22%, but the volume flow rate of blood in the artery remains the same. By what factor has the pressure drop across the length of this artery increased?

  20. physics

    A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000

  21. physics

    The moon has a mass of 7.35 E 22 kg and is located 3.84 E 8 meters from the Earth. If Ellen, an earthling, has a mass of 47 kg, what is the gravitational force between Ellen and the moon?

  22. Financial Management

    A firm's stock is selling for $85, Dividend yield=5%. A 7% growth rate is expected for the common stock. The firm's tax rate is 32%. (question) What is the firm's cost of retained earnings? a)8.16% b)12.00% c)12.35% d)cannot be determined

  23. Geography

    What is the correct political geography term to describe what New Jersey, California, and Illinois are?

  24. English-Poetry

    My Guilt When I was a child I walked two miles to school accompanied by a neighbor boy two years younger. Freddie was fat and freckle faced with wheat-straw hair and a mean stepmother. It was late fall and one day his father bought him a new winter cap. It

  25. English

    But time did beckon to the flowers. Herbert metaphor simile personification hyperbole my answer simile

  26. English

    He flunked the chemistry test. Flunked is jargon sexist language euphemism colloquial my answer D

  27. 8th grade chemistry

    2CuSO4 what does the information above represent? (A) two molecules made of one copper atom, one sulfur atom, and four oxygen atoms. (B) two elements made of one copper atom, one sulfur atom, and four oxygen atoms. (C) two copper atoms, one sulfur atom,

  28. physics

    When a 2.60-kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.30 cm. (a) What is the force constant of the spring? (b) If the 2.60-kg object is removed, how far will the spring stretch if a 1.30-kg

  29. Gen cmehistry

    is [Ag(NH3)2]+ [Mn(CN)6]3- [CrCl3(H2O)3] are any of these colorless?

  30. Gen cmehistry

    is [Ag(NH3)2]+ [Mn(CN)6]3- [CrCl3(H2O)3] are any of these colorless?

  31. Chemistry

    Help-I'm really confused-The barometric pressure in my area is 1014 and the temperature is 61 degrees farhenheit. I am suppose to have an imaginary balloon that contains 22 grams of carbon dioxide. Calculate the volume in liters of the balloon using the

  32. English

    I went back and checked my answers Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test,

  33. English

    Question 3 I always think linen napkins are nicer. midplaced modifier dangling modifierfa faulty predication incomplete comparison Answer A

  34. English

    Question 12 He wrote a hot check. The word hot is used poorly clearly connotatively denotatively Question 13 Hot flames poured out of the grill. The word hot is used poorly clearly connotatively denotatively my answer 12. poorly because its slang for bad

  35. English

    Question 11 He brought home a new car - large, fire-engine red, fast, and which he could not afford. unclear pronoun reference lack of parallelism mixed metaphor simile my answer c. mixed metaphor

  36. English

    Question 14 Have you booted the disk? The word booted is jargon sexist language euphemism regional my answer A

  37. algebra

    write and solve an inequality. on a trip from virginia to florida, the sampson family wants to travel at least 420 miles in 8 hours. what must be their average rate of speed?

  38. math

    for the quadratic equation x^2+4x+2=0 which two option are correct solutions? 1)-3.414 2)-2.764 3)-1.382 4)-0.586 5)1.381 6)1.382 7)3.981 8)4.625

  39. English

    Question 16 The male nurse left the room. Male nurse is jargon sexist language euphemism colloquial my answer B

  40. the elements and principles of design

    1. Which one of the following factors is one of the principles of design? A. Form C. Pattern B. Color D. Balance 2. Of the following expressions, which best describes the concept of harmony in a room’s decor? A. A consistency of mood B. Strongly

  41. English

    Question 21 Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test, he freaked out.

  42. statistics

    Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). 1) Vvith H1: p * 0.733, the test statistic is z =

  43. English

    Question 21 Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test, he freaked out.

  44. chemistry

    A flask containing air is heated from 300K to 400K. the percentage of air escaped out is..

  45. science

    What characteristic are protist classified.

  46. 8th grd chemistry:D

    which of these statements is true about an atom of chromium? (A) has more protons then electrons. (B) has fewer parts than an atom of iron. (C) has an atomic number of 51.996. (D) has more electrons than neutrons.

  47. economics

    which of the following are government purchases of goods and services and which are government transfer payments?a.the apollo,b.subsidy to agriculture and industry,c.social security,d.salary received by federal employee,e.unemployment benefits paid to a

  48. college chemistry

    Suppose you have a 0.200 M solution of the nitrogen-containing weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x10-5, complete each of the

  49. math

    what is 18/21 in its simplest form

  50. Algebra

    d=55t I need to be shown the operations to get the answer. I really don't get this

  51. economics

    if the government gives $1,000 of food stamps to a poor family,will the family now have $1,000 more food than before?

  52. sociology

    what are the manifest and latent functions of a health club?

  53. math

    what combination of seven coins totals 27 grams?

  54. English

    Which of the following is a compound subject? cats and dogs twenty-two miles cats or dogs each girl or boy my answer cats and dogs

  55. math

    what is 38% of $40.00?

  56. Chemistry

    What would be the product of the reaction of 4-methyl pyridine with Ac2O/AcOH and PhCHO? I'm really stuck on this. I'm guessing the pyridine will attack the anhydride and form an acyl pyridinium ion but I'm not sure where to go from there. If that reacts

  57. Math

    How many positive three-digit integers have the property that the tens digit is greater than or equal to the hundreds digit and the ones digit is greater than or equal to the tens digit? Please help :) thanks -Zach

  58. Business

    Consider the wide spectrum of business organizations, ranging from gigantic corporations to working at home. Describe at least three types of business organizations that you are familiar with or that you would like to know more about. How is each one

  59. Geometry help

    A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

  60. COM 220

    How do I support a thesis statement on same sex marriage?

  61. Financial Management

    A 10 year bond pays 11% interest on a $1000 face value annually. If it currently sells for $1,195, What is its approximate yield to maturity? a)9.33% b)7.94% c)12.66% d)8.10%

  62. math

    A student claims that if a fair coin is tossed and comes up heads 5 times in a row, then, according to the law of averages, the probability of tails on the next toss is greater than the probability of heads. What is your reply? would this be the answer No

  63. Thermodynamics and Heat Transfer

    A steam pipe is 75 mm external diameter and is 80 m long. It conveys steam at a rate of 1000 kg/h at a pressure of 2 Mpa. The steam enters the pipe with a dryness fraction of 0.98 and is to leave the pipe with a dryness of not less than 0.96. The pipe must

  64. Financial Management

    Debreu Beverages has an optimal capital structure that is 50% common equity,40% debt, 10% preferred stock. Debreu's pretax cost of equity is 12%, pretax cost of preferred equity is 7%, pretax cost of debt is also 7%. If the corporate tax rate is 35%. What

  65. English

    When I asked for a submarine, the convenience store clerk said he didn't have kits for making model ships with a confused look. misplaced modifier dangling modifier faulty predication incomplete comparison answer A

  66. math

    (perimeter of my square) divided by ( sum of 2 side-lengths of my square)=

  67. accounting280

    Instructions Enter the trial balance on a worksheet and complete the worksheet. E4-2 The adjusted trial balance columns of the worksheet for Goode Company are as follows. GOODE COMPANY Worksheet (partial) For the Month Ended April 30, 2008 Adjusted Trial

  68. English

    Question 7 Some used car salesmen twist the truth. Be careful when you talk to them. This sentence shifts in mood voice and subject person number my answer A. MOOD

  69. English

    Question 8 If one smokes cigarettes, you run the risk of getting lung cancer. number mood tense person my answer A. MOOD

  70. math

    you take a three-question multiple-choice test.each question has four choices.you don't know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused

  71. math

    choose 2 correct option about motion in a straight line. 1. if a vechile has a zero velocity it must be stationary 2.the graph of position against time has to be a st.line 3.acceleration is the rate of change of speed 4.velocity is the rate of change of

  72. SCIENCE

    SUNLIGHT AND WIND ARE INEXHAUSTIBLE RESOURCES. EXPLAIN WHY THEY ARENT USED TO PRODUCED ALL OF OUR ENGERY

  73. English

    13Hot flames poured out of the grill. The word hot is used poorly clearly connotatively denotatively my answer C

  74. English

    I went to the buffet six times, and I still saved room for dessert. subordination coordination religious secular my answer coordination

  75. Chemistry

    What three conversion factors are often used in mole conversions?

  76. Calculus

    After Lee gives his little sister Kara a big push on a swing, her horizontal position as a function of time is given by the equation x(t)= 3cost(e^-0.05t), where x(t) is her horizontal displacement, in metres, from the lowest point of her swing, as a

  77. English

    Question 19 But time did beckon to the flowers. Herbert metaphor simile personification hyperbole A

  78. Calc

    The slope of the tangent line to the parabola y=4x2–3x+5 at the point where x=–5 is: (-43) The equation of this tangent line can be written in the form y=mx+b where m is: (-43) and where b is:_____________?

  79. Calculus

    what is the second derivative of: Y= 50/ (1 + 4e^ -.1t)

  80. English

    1. He went to the teachers' room. There were many teachers, and he was able to see some students scolded by a teacher. 2. The native speaker has his office. In the teacher's office, we talked with the foreign speaker. 3. The teacher's room is a little

  81. MATH

    on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

  82. socials 9

    What was the Reign of Terror? If you asked Robespierre how he, a man once opposed to the death penalty, could then approve of the Reign of terror, what would he say? Write a short speech that Robespierre might have given to the committee of Public Safety

  83. algebra

    The base of a triangle is 7cm greater than the height. the area is 60cm^2. find the height and the lenght of the base.

  84. 9th grade-english

    compare the reactions of juliet's mother and father when paris proposes marriage to their daughter

  85. economics

    the local city gave $500 worth of clothing to all the poor families in town.therefore, these families will have $500 more clothing than before."is this correct?

  86. Maths

    Any help with the following would be greatly appreciated. I don't understand how to use the information given to create the equation. 1) A car travels between A and B at an average speed of 60 km/h. If the car increased its average speed to 100 km/h it

  87. chemistry

    The mass of FeSO4.7H2O required to prepare 500mL of 280ppm Fe2+solutin is

  88. AP Physics

    Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 4.60 m away are 5.7 cm apart near the center of the pattern. Determine the wavelength and frequency of the light. wavelength nm frequency Hz

  89. HCA/220

    How might a foundation in medical technology help you in fulfilling your education? How might a basic understanding of medical terminology benefit you personally?

  90. AP Physics

    Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 4.60 m away are 5.7 cm apart near the center of the pattern. Determine the wavelength and frequency of the light. wavelength nm frequency Hz

  91. math

    i have 400.00 in a bank account and the bank pays me 6 1/2% interest, how much interest will i earn?

  92. physics

    if you fire a ball through a pile of sand, it iwll slow ddown in the sand and emerge at less that its initial speed. But when light shines pn a pane of glass, even though it slows down inside, its speed upon emerging is the same as its initial speed.

  93. science

    explain how pouring water on a fire puts the fire out in more than 1 way

  94. Stats

    The scores on a mathematics exam have a mean of 65 and a standard deviation of 7. Find the x-value that corresponds to the z-score 1.645.

  95. science

    explain how pouring water on a fire puts the fire out in more than 1 way

  96. Management

    What steps would you recommend your manager take to implement the planning tecnique of scenariao planning

  97. Psycology

    The DSM-IV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across psychology; however, the DSM-IV is not as precise for diagnosing personality disorders as some psychologists would like. Give an example of each

  98. English

    Can you please tell me if the following words related to clothes and fashion are still used in English? As I'm not a mother tongue speaker, I need your supervision.I also included three descriptions at the end. 1) She is always

  99. IT

    Design a system which will take in the results for the five criterion levels of achievement for each phase of the design cycle: Investigate, Design, Plan, Create and evaluate. The system will then calculate the average and round up to the nearest decimal

  100. English

    Thank you very much for your last corrections. Can you please tell me if the following sentences are possible? 1) She is wearing a zip-up tracksuit top with a hood or a hooded zip-up top? 2) Is this adjective order correct: opinion, size, shape, color,

  101. chem

    What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL)

  102. math

    use the percent proportion to solve for the unknown value: whole=48 percent= 25

  103. chemistry

    Can Anyone Help Me With This Solubility Problem? An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl- and 0.250 M I-. b) When the second ion begins to precipitate, what is the remaining concentration of

  104. bege 101

    give example of literary and non-literary prose by citing examples from any of your choice-350 words

  105. math

    i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? ---need an answer ive done this over and over but confused on the estimate part.

  106. English-Poetry

    This is the same poem I've been working on a couple of weeks ago. I have finished the ending, and would like some of your help. It will say somewhere in my poem(Any suggestions) I will appreciate all the help you could give me. Thank you very much:-) The

  107. 9th grade

    james accidentally spills 2 containers, mixing their contents. he checks and finds that 1 contains salt crystals while the other contained powdered sand. describe a method that he might use to separate the 2 mixtures without losing any of either mixture.

  108. math

    how do you find the surface area and volume?

  109. Math

    Did I do this problem right? Add. (x^9-2)+(x^9+2). Here is what I did: (x+x)^9+(-2+2) 2x^9+0 Is this correct? If not could you please explain it to me? Thanks.

  110. math

    i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? ---need an answer ive done this over and over but confused on the estimate part. 30.00 x.005%= 29.50 but what is the estimate

  111. 9th grade science

    explain how pouring water on a fire puts out the fire in more than 1 way

  112. business

    Global Reader is a 5 year old E-company that grew from $1 million in sales in the second year to $8 million in sales. They have created the industry’s first portable book reader that provides any book in four major languages. They have manufacturing

  113. com 425

    Discuss the following cultural differences you have observed in your workplace and how these differences affected communication? Styles of dress Different uses of time, views of punctuality, etc.

  114. 9 grade science

    describe the properties of diamonds that makes so valuable as gemstones/// industrial cutting stones

  115. Geometry need help pls

    A. A parallelogram has a 7-inch side and a 9-inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

  116. English

    Wait I do not get this when and whent i look online and it said that whent isn't a word but how do i say something like this: I whent home. or is it I when home. Any i'm no good at past tenses

  117. geography

    what are the consequences of marine diamond mining.

  118. math

    if you have a 40 m coil how many 20 cm piceces can you cut from the coil

  119. algebra

    express the decimal equivalent of 13/49 to nearest hundredth

  120. Calculus

    Consider the infinite series of the form: (+/-)3(+/-)1(+/-)(1/3)(+/-)(1/9)(+/-)(1/27)(+/-)...(+/-)(1/3^n)(+/-)... (A) Find x and y from: x(

  121. math

    calculate the surface area of each prism. length 9cm width 4cm hieght 8cm

  122. MATH please help with this ?

    math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time

  123. English

    There are a popular sandwich shop in our area that serves the meats, cheeses, and dressings on the sandwich and top the fillings with french fries and coleslaw. my answer There is a popular sandwich shop in our area that serves the meats,cheeses and

  124. Math! plz help!

    Calculate the future value of quarterly payments of $1200 for 5 years, if the rate of interest was 10% compounded quarterly for the first 2 years and will be 9% compounded quarterly for the last 3 years. I solved for both which i got aFV= $10483.34 bFV=

  125. college chemistry

    In class, we discussed the titration of a 50.0 mL sample of 0.100 M HCL with a 0.100 M solution of NaOH. How would this system change if we used a 0.100 M solution of Sr(OH)2 instead of NaOH? To answer this question, complete each of the following: a) What

  126. 7 grade math

    a scale model race car is 11in. long,3in. wide,2in. tall.the actual race car is 22ft. how wide is the actual race car?

  127. math pls

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (d) Find the sizes of the other two angles of triangle PQR. (e) Find the length of the median drawn to side PQ. (f) Find the length of the

  128. writing

    i need help with full sentence outline on affirmative action

  129. AP Chemistry

    The question asked... Calculate the solubility of calcium sulfate in grams solute per 100 grams solvent. Assume that the volume occupied by the solute in the solution in negligibly small. I solved and got 4.9 x 10 ^-3 mol/L... how do I put this in grams

  130. physics

    If you throw a ball straight out horizontal to the ground and your friend drops a ball from the same height, will the balls hit the ground at the same time?

  131. college chemistry

    Consider the titration of a 50.0 mL sample of a 0.100 M solution of the triprotic weak acid citric acid (H3C6H5O7) with 0.100 M KOH. For citric acid, the three (3) acid dissociation constant values are ka1 = 7.40x10-3, ka2 = 1.70x10-5, and ka3 = 4.00x10-7,

  132. college

    if y=kx/square root of w find k when y=4 x=12 and w =4 I have an answer of 16/3 and I believe that the correct answer is 2/3 am I right.

  133. physics

    A 0.50 kg mass at the end of a spring vibrates 6.0 times per second with an amplitude of 0.18 m. (a) Determine the velocity when it passes the equilibrium point. 1Your answer is incorrect. m/s (b) Determine the velocity when it is 0.02 m from equilibrium.

  134. 8th grade Social studies

    Poeple who settled the west

  135. math

    (-64)^2/6=(-64)^1/3

  136. economics

    the government in mortorania buys $20 million in goods and services,collects $15 million in taxes,and borrows the remaining $5 million.its taxes produce no dead weight costs.what is the cost of government in mortorania?

  137. literature

    When does the Narrative of Sojourner Truth take place

  138. commas and run on sentences

    Question 5 Identify the correctly punctuated sentence below. His hair was oiled and slick, as a result, the girl found him unattractive. His hair was oiled and slick; as a result, the girl found him unattractive, she left without a word. His hair was oiled

  139. Pre-algebra

    Factor the expression 14+21c

  140. computer programming c++

    c++ program questoin A particular talent competition has 5 judges, each of whom awards a score between 0 and 10 to each performer. Fractional scores, such as 8.3, are allowed. A performer’s final score is determined by dropping the highest and lowest

  141. chem - br bob is this right

    What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL) * chem - DrBob222, Wednesday, April 21, 2010 at 10:52pm * chem

  142. Chemistry 102

    A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? How do i start this

  143. Another Poem

    A series of Lies Poem A Tell a series of lies about yourself B.Begin with the line, “I wish I were not so...” C.End the poem with an “if” section. Here is an example: I wish I were not so brilliant. My incredible mind overflows with ideas Weighing

  144. Physics Waves

    Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These travel at different speeds. The speed of longitudinal

  145. math

    complete this expressions (+2)-(+2)=?

  146. Intro to Technology: repost

    Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

  147. Biology

    Please give an example of natural selection that does not include a predator/prey relationship.

  148. math

    how do i use the formula a=pe^rt to solve 15000. at 4.6% for 4yrs

  149. science

    Give an example of a physical change and a chemical change for iron

  150. american government

    is the united states supreme court the most powerful court or is it the united states superior court? or are they the same thing?

  151. chemistry

    is molar enthalpy affected if the system is a solid rather than a liquid

  152. CHEMISTRY HELP DESPERATELY NEEDDED!!!

    Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^-3. (A) Calculate the equilibrium concentrations of both gases when 4.00 grams of N2O4 is placed in a 2.00 L flask at 25 degrees celcius. (B) What will be the new equilibrium concentrations

  153. economics

    in econimics, goods are things that can be seen or touched and service are useful works,something that is done for someone else? is this true or false?

  154. hoq 2 scare my lil sister?

    how can i scare my little sister shes 13 im 15 just feel like gettin her scared she always scares me lol any1 not something 2 kill her but something funny?

  155. math

    Janet can shovel snow from her driveway in 55 min. Tom can do the same job in 30 min. How long would it taket Janet and Tom to shovel the driveway if they worked together?

  156. Naming Ionic Compounds

    What r monvalent metals? Are they metals that have only one possible ion charge? Any other information would be greatly appreciated, thanks

  157. physics

    What is the heat capacity of 20.0 kg of silver? kcal/K

  158. math

    The speed of a train A is 8mph slower than the speed of train B. Train A travels 230 miles in same time it takes train B to travel 270 miles. Find the speed of each train.

  159. math

    on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

  160. physics

    A rigid container of nitrogen gas (N2) at 24° C contains 440 L at a pressure of 3.5 atm. If 26.6 kJ of heat are added to the container, what will be the new temperature of the gas?° C

  161. College Algebra

    Can you think of an example of a real-life problem involving polynomials?

  162. Math

    Could someone please help me with this problem. I have worked most of it out but now I'm not sure what to do. Multiply ans simplify. (x-9/4)(x+4/9) Here is what I have so far: x(x+4/9)-9/4(x+4/9)= x^2+4/9x-9/4x-9/4-4/9= x^2+4/9x-9/4x-1= This is where I'm

  163. COM/220

    I need a little help..I am writing a research paper on cyberbullying. I need to find a website that has statistics over the last few years on the increase of this and an idea for a chart or graph of some sort to list it on. Anyone have any ideas?

  164. Physics

    A heater cansupply 98000J an hour. If a lot of ice is already at 0 degrees, how much ice can be turned to water? check my work please: Q/l=m 98000J/kg / 3.35 * 10^5J = 029kg of ice can be turned to water

  165. Trigonometry

    Solve for x: 1. 2sin(2x)+cos(x)=0 2. cos(2x)=-2sin(x) 3. tan(x)=2sin(x)

  166. college algebra

    Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be modeled by an exponential function, H= p *

  167. science

    what is the oort and were is it located

  168. Math

    What is the angle measure for a section in a circle graph that represents 38%?

  169. Pre-Algebra

    3k/5+44=12k/25+8

  170. physics

    An electronic point source emits sound isotropically at a frequency of 3000 Hz and a power of 34 watts. A small microphone has an area of 0.75 cm2 and is located 158 meters from the point source. a) What is the sound intensity at the microphone ? To find

  171. Physics

    A friend asks for money to market a new product he invented. He claims to have invented a "cold plate" that works like a hot plate and will cool down foods and liquids that are placed on it. Should you invest?? Should I be thinking about the second law of

  172. Physics

    You swing one yo-yo around your head in a horizontal circle. Then you swing another yo-yo with twice the mass of the first one, but you don't change the length of the string or the period. How do the tensions in the strings differ?

  173. English

    Use plural verbs for ________. words such as pants and eyeglasses titles of written works words such as economics and physics an amount as a subject my answer An amount as a subject

  174. science

    how many tablespoons of sugar salt baking soda and sand does it take to dissolve in one cup of water

  175. English

    Use singular verbs for _______. names of companies compound subjects collective nouns when they refer to members acting individually words such as jeans and thanks my answer collective nouns when they refer to members acting individually

  176. Global History

    What kinds of conflicts resulted from the global confrontation between the two superpowers Soviet Union and US

  177. English

    1.Having studied small engine repair in night school, fixing the lawn mower was easy. misplaced modifier dangling modifier faulty predication incomplete comparison Question 2 When I asked for a submarine, the convenience store clerk said he didn't have

  178. geometry/math pls help

    The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60-degree angle at P. (1) Find the sizes of the other two angles of triangle PQR. (2) Find the length of the median drawn to side PQ. (3) Find the length of the

  179. english

    Trying to write a full sentence about drugs that includes effective arguments and counter arguments to support my thesis

  180. Chemistry

    Which aqueous solution has a freezing point closer to its predicted value 0.01 m NaBr or 0.01 m MgCl2?

  181. physics

    A 5.0 N force directed to the west acts on an object for 2.0 seconds. What is the change in momentum of the object? Do I have to divide 5.0 by 2.0 in order to get the momentum or multiply?

  182. Chemistry 102

    The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e-10. What is the molar solubility of Ce ion in pure water? = .0019 M B) A 0.031 M sodium iodate is added as a common ion. What is the concentration of Ce ion with the common ion present? C) What is the ratio of

  183. English

    1. I like taking picutures of myself. 2. I like taking pictures of me. (Are both grammatical?)

  184. 6th Grade Math

    This is fractions. Not dividing problems. (Ex: 3/5 is a fraction) 5c = 2/3 (divided by) 2/3

  185. language arts

    I need help finding Literary Terms.

  186. socials 9

    . What was the Reign of Terror? If you asked Robespierre how he, a man once opposed to the death penalty, could then approve of the Reign of terror, what would he say? Write a short speech that Robespierre might have given to the committee of Public Safety

  187. math 213

    A manufacturer produces the same kind of computer chip in two plants. In the first plant, the ratio of defective chips to good chips is 15:100 and in the second plant, that ratio is 12:100. A buyer of a large number of chips is aware that some come from

  188. anatomy and psysiology

    what area of the spinal cord is destroyed when a person gets polio?

  189. Math

    In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Paulding and Eaton is 9.8 inches, how many kilometers is it between the two towns?

  190. Literacy

    Discuss whether or not believe teaching classes intwo languages(Billingual) is a practical solution for English Language Learners?What are the advantages and disadvantage?

  191. Naming Ionic Compounds

    Can you please have a look at my questions. Thank you very much in return:-) 1. Will 2 metals develop an ionic compound? Clarify. I don't think they will, but I don't know how to explain. I only know that in order to form ionic compounds, the total number

  192. Math

    A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper? (if someone could explain to me what to do) Thanks

  193. physics

    Gravitational force of attraction “F” exists between two point masses A and B when a fixed distance separates them. After mass A is doubled and mass B is quartered, the gravitational attraction between the two masses is

  194. business

    Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might

  195. Algebra

    Simplify 2sqrt25x^3 -3x sqrt4x

  196. ethics in management

    I am trying to answer some question for class I am needing to find and understand these theories can someone please explain them or help me find information on them I cannot find anything that I understand searching for these terms are they called some

  197. ALGEBRA

    A convention manager finds that she has $ 1410, made up of twenties and fifties. She has a total of 48 bills. How many fifty-dollar bills does the manager have?

  198. math

    18, 45, 63

  199. chemistry

    A certain municipal water sample contains 46.1 mg SO42-/L and 30.6 mg Cl -/L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? how do i do this problem?

  200. geometry

    What is the area of a rhombus with diagonals of 10 feet and 14 feet?

  201. college Algebra

    solve by the substitution method. 8x+3y=-40 x=48-7y THE ANSWER SHOULD BE AN ORDERED PAIR. PLEASE HELP ASAP

  202. math

    How would you solve the problem (y^2-4w)^2

  203. math!

    Heinz has been contributing $300 at the end of each month for the past 15 months to a sivings plan that earns 6% compounded monthly. What amount will he have 1 year from now if he continues the plan? I'm not sure how to get the answer for this question

  204. math

    how do u round 62 into 5

  205. English

    The wind was howling and blowing a hundred miles an hour when suddenly there is a big crash, and a tree falls into Rocky's living room. The sentence shifts in person tense discourse voice and subject Answer B

  206. career research and decision making

    if you borrow money for post-secondary education: (a)you never have to pay it back. (b) you owe it back. (c) none of the above. i thought it would be (B) but i am not sure cause of the grants and other ways of going to school.. any suggestions?

  207. English

    If one smokes cigarettes, you run the risk of getting lung cancer. number mood tense person my Answer D the key word is you and you is a person and is the subject of the sentence

  208. algebra

    b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy

  209. Math

    The number of students at another university increased from 14,000 students in 1971 to 30,000 in 1975. What was the percent increase in enrollment during this period?

  210. math

    35.4% expressed as a decimal bocomes ?

  211. Trigonometry

    Solve for x in the interval 0

  212. english

    1)A verb must agree with its subject in number? im thinking it true..but not too sure... then i need help with capitalization lol... Aunt Consuelo is Consuelo Melendez,Doctor of Dental Surgery. is this right?

  213. chemistry

    How can u determine the molar mass of a compound?

  214. English

    Question 12 He wrote a hot check. The word hot is used poorly clearly connotatively denotatively Answer D

  215. math

    I'm having trouble with 2 problems. Please help. Thanks.

  216. SCIENCE

    SUNLIGHT AND WIND ARE INEXHAUSTIBLE RESOURCES. EXPLAIN WHY THEY ARENT USED TO PRODUCED ALL OF OUR ENGERY

  217. math

    With income earned by selling the rights to his life story, an actor invests some of the money at 3% and 30,000 more than twice as much at 4%. The total annual interest earned from the investments is $5600. How much is invested at each rate?

  218. english

    1) John Grisham is the author of "The Street Lawyer". 2) We listened to that old song again "You And Me Against The World". Is this correct capitalization?

  219. math

    I'm having trouble simplifying two problems with exponents. Please help. Thanks. 1. [(-2)^4]^3 2. 10^7 . -1/10

  220. math help plz!

    Heinz has been contributing $300 at the end of each month for the past 15 months to a sivings plan that earns 6% compounded monthly. What amount will he have 1 year from now if he continues the plan? I'm not sure how to get the answer for this question

  221. social studies

    what was the opinion of americans who opposed the mexican war

  222. math

    the circumference of the peg is 3 in.will the peg go through the hole?Explain.

  223. Science

    What parts of the enviroment, natural and manmade, make up a watershed?

  224. AP Chemistry

    Does precipitation occur when 100. mL of 0.050 M CaCl2 is added to 100. mL of 0.10 M K2SO4? Show calculations to support your response.

  225. math

    what is the rule for Table 1?what are the missing output entries in Table?

  226. critical thinking

    Premise- Since most all disease can be effectively prevented by a healthy lifestyle. Conclusion-Animal activist sometimes contend that medical research is unneccessary. Is this a valid/sound argument or is this an ivalid/unsound argument?

  227. Hum205

    Assume you are a Humanities instructor tasked with explaining the social role of the arts in the Middle Ages. What are three relationships between the arts and Early Middle Ages culture you would want your students to know? What are three relationships

  228. science

    If Ken drove his motor boat a distance of 1000 m in 7.045 s how fast was his boat moving in m/s?

  229. math

    Try to draw a triangle with 2 right or obtuse angles. What generalizations can you make about the angles of a triangle? Explain.

  230. Socials

    Seven Years War where were over 300 british men women and children massacred in 1757

  231. Chemistry

    I forgot in my previous question to say 1014 millibars. The question is I live at 1014 millibars for barometric pressure and temp. is 61 degrees Fahrenheit. I have an imaginary balloon that contains 22 grams of CO2-what is the volume in liters of the

  232. Chemistry

    word equation for Potassium Carbonate + Nitric Acid

  233. Chemistry

    An ice cube at 0 degrees Celsius was dropped into 30.0 g of water in a cup at 45.0 degrees Celsius. At the instant that all of the ice was melted, the temperature of the water i the cup was 19.5 degrees Celsius. What was the mass of the ice cube?

  234. chemistry

    how much heat, in kilojoules, must be added to 178 grams of water to increase the temperature of the water by 50 degrees celisus?

  235. math

    on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

  236. english

    do i use and apostrophe when writing about someone (a noun) that has possession of something?

  237. English

    How do you find a verbal phrase in a sentence then identify it as a gerund, particpial, or infinitive phrase?

  238. English

    1. He is my old friend. (Can we use this one when one of my friends is very old though I met him one week ago?) 2. My favorite class is math class. 3. My favorite class is a math class. (Which one is right? Are both right? ) 4. I do my homework with her

  239. Chemistry Honors 10th

    How much heat is required to warm 122 g of water by 23.0 degrees Celsius?

  240. english

    What kind of literacy device is it when a word repeates in a poem

  241. english

    can anyone give me a thesis statement on conscience in hamlet. pls

  242. HJC

    • For this assignment, you will view five examples of 20th Century paintings, one each of the following five schools of thought (the slides are labeled): o Impressionism o Expressionism o Abstract expressionism o Minimalism o Primitivism • Then, listen

  243. English

    Question 20 Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole my answer A

  244. 6th Grade Grammar

    What is the positive adverb form? ______ , more , most and ______ , less , least

  245. Intro to Technology

    Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

  246. math

    what is the derivative of 50? Is it 0

  247. ACCOUNTING

    Considering the following pricing concepts; Markup Methods (markup on Total Cost, Variable Cost, and Product Cost) and Target Costing, explain when it is appropriate (and why) to use each of the methods. (Hint: use multiple choice questions 1 and 2 to

  248. Geography

    What is the order by their degree of severity (least extreme first) Ethnonationalism Secession Separatism

  249. ACCOUNTING

    Considering the following pricing concepts; Markup Methods (markup on Total Cost, Variable Cost, and Product Cost) and Target Costing, explain when it is appropriate (and why) to use each of the methods. (Hint: use multiple choice questions 1 and 2 to

  250. socials 9

    Do you think it is still possible for one person to start a fashion trend? Can you give an example? i don't know anything about fashion.

  251. math

    you take a three-question multiple-choice test.each question has four choices.you don't know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused

  252. english

    thank you Ms.Sue soo much,,, my question is if a sentence has an original statement with quotation marks may also have a comma? Is this true?

  253. Calculus

    Max / min points of: Y=5^(2x) * e^(3x^2)

  254. Pre-Algebra B

    Solve for y. 4-(y + 9)= 10 Please help!!!

  255. computer science

    c++ program question write a program that uses a loop to display the characters for each ascii code 32 through 127. display 16 characters on each line with one space between characters in c++

  256. math

    I need an equation that represents 56 houses for sale x will represent floor plan one and y will represent floor plan two

  257. English

    Question 20 Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole my answer A

  258. bio

    Why do scientists use the same enzyme to remove the insulin AND cut the plasmid open?

  259. chemistry

    the pH of the solution obtained by mixing 400ml 0.1M acetic acid, 50ml 0.1M sulphuric acid and 50ml 0.3m sodium acetate is (Ka of acetic acid is 1x10-5)

  260. programming and visual basic

    These are two different types of questions, these are not the same questions The Some interest Credit Company provides loans to customers at 1.5 percent interest per month. Design an application that gets customer account data that includes an account

  261. english

    What kind of literacy device is it when a word repeates in a poem

  262. chemistry

    On passing 2 litres of a mixture of CO and CO2 over red hot charcoal, the volume becomes 2.5 litres. The volume fraction of Co in the mixture is

  263. Math

    How long will it take $4000 to double if it is invested at 7.85%?

  264. chemistry

    Calculate [Cu^2+] in a 0.15 M CuSO4 solution that also 6.5 M in free NH3. Cu^2+ + 4NH3 >>>>>> Cu(NH3)4 kf = 1.1 * 10^11. thx

  265. English Comma splices and run on sentences

    Question 1 5 points Save Identify the correctly punctuated sentence below. Janet entered the abandoned mountain monastery she noticed the moss-covered rocks below. Janet entered the abandoned mountain monastery, she noticed the moss-covered rocks below.

  266. art 101

    I am not understanding the assignment due for Friday. We are to write a 200-300 word response to the following: in you own words, summarize why Kenneth Clark's interpretation of African mask is ethnocentric. I really do not understand what ethnocentric.

  267. Math

    A random survey of 500 households determines that 20% of the households would do so and that each participating household expects to recycle about 100 cans monthly with a standard deviation of 30 cans. Question (a) What is the 95% confidence interval

  268. help

    paraphrase this sentence "life for pineers on Oklahoma homesteads was not always easy"

  269. Sra

    Sra could you tell me about a Mac OS X Install disc. How much are they?

  270. English

    Do not watch volence TV programs. It is not good for the baby. If the baby watches good programs, he will be affected positively. Sometimes make the baby drink water. If you feed the baby with lots of milk, he will become fat. The pantie seems to be a

  271. math

    I am trying to understand how to translate math questions into an inequality. Here is an example: The cost is at most $4857.95

  272. fisheries!!!

    Recreational vs. commercial fisheries

  273. chemistry

    Can Anyone Help Me With This Solubility Problem? An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl- and 0.250 M I-. a) Which ion, Cl- or I-, is the first to precipitate? b) When the second ion begins to

  274. spelling

    can you list some smaller words that are in perimeter and litre. thank you

  275. French

    Last proofread for the semester! The topic: "Imaginez que vous avez une machine a voyager dans le temps. A quel moment du passe voulez-vous revenir, et a quel moment du futur voulez-vous aller?" You will have to divide this compo into 2 parts: one will be

  276. Math

    Use the following information to construct a suitable rational function f(x). * There is a vertical asymptote at x=2, and a horizontal asymptote at y=3. * The graph of the function must go through the points (-4/3,0) and (0,-2)

  277. English

    1. I like taking pictures of myself. 2. I like taking picutres of me. (Which one is right? Are both OK?) 3. I can't believe it. 4. That's surprising! 5. What a surprise! 6. That's unbelievable. 7. That's amazing! 8. What a surprise it is! (Are they the

  278. MATH

    the circumference of the peg is 3 in.will the peg go through the hole that is 1 in.? Explain. please help i am confused

  279. AP Chemistry

    100. mL of 0.020 M CaCl2(aq) is added to 200. mL of 0.20 M K2SO4(aq). Calculate the equilibrium concentrations of Ca^2+ (aq) and SO4^2-(aq)

  280. math help plz!

    Calculate the future value of quarterly payments of $1200 for 5 years, if the rate of interest was 10% compounded quarterly for the first 2 years and will be 9% compounded quarterly for the last 3 years.