Questions Asked on
April 14, 2008

  1. Chemistry

    If a copper sample containing some zinc impurity is to be purified by electrolysis, the anode and the cathode must be which of the following? a. anode: pure copper cathode: pure zinc b. anode: pure zinc cathode: pure copper c. anode: pure copper cathode:

    asked by John
  2. Math

    What happened when the Crossword Puzzle Champion died?

    asked by Matt
  3. Chemistry

    If two salts AX and BX2, have the same Ksp values of 4.0x10^-12 at a given temperature, then A. their molar solubilities in water are the same B. the salts are more soluble in 0.1 M NaX than in water C. the molar solubility of AX in water is less than that

    asked by LT
  4. chemistry -check over work

    Naphthalene (C10H8)is a solid aromatic compound often sold as mothballs.The complete combustion of this substance to yield CO2(g)and H2O(l)at 25 ْC yields -5154 kJ/mol. A. write balanced equation for the combustion of C10H8. C10H8+12O2->10CO2+4H2O ΔH

    asked by sasha
  5. Chemistry

    what is the molar solubility of lead sulfate in 1.0 X 10^-3 M Na2SO4? The Solubility Product Constant PbSO4 Ksp= 1.8 x 10^-8 The Ksp expression is: Na2SO4 = [2Na][SO4^-2] [2Na]=2x [SO4^-2]=x Ksp= 1.8 x 10^-8 = (x)(2x) Ksp= 1.8 x 10^-8 /4x^3 1.8 x 10^-8/4 =

    asked by LT
  6. chem

    Briefly explain why the transitions associated with the Lyman series correspond to wavelengths in the ultraviolet region of the electromagnetic spectrum.

    asked by natash
  7. Physics

    You want to take a full length photo of your friend who is 2 m tall, using a 35 mm camera having a 50 mm lens. The image dimensions of 35 mm film is 24 mm by 36 mm, and you want to make this a vertical photo in which your friend's image completely fills

    asked by J
  8. trig help

    verify that cos(A-B)/cosAsinB=tanA+cotB is an identity

    asked by sam
  9. Atomic physics

    5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. b. Calculate the wavelength of light emitted with the

    asked by Sandhya
  10. physics

    A woman finds the front windshield of her car covered with ice at -12.6°C. The ice has a thickness of 4.80 10-4 m, and the windshield has an area of 1.25 m2. The density of ice is 917 kg/m3. How much heat is required to melt the ice?

    asked by Jaime
  11. Chemistry

    If the concentration of a saturated solution of SrCO3 is 0.000040 mol*L^-1, what is the value for the solubility product constant of this salt. How do I start this please

    asked by LT
  12. Chemistry

    The dissociation for a weak base BOH in water found to be 1.25 x 10^-6. What is the concentration of H+ in a 3.2M soluton of BOH.

    asked by LT
  13. physics

    A law enforcement officer in an intergalactic "police car" turns on a red flashing light and sees it generate a flash every 1.5 s. A person on earth measures that the time between flashes is 2.9 s. How fast is the "police car" moving relative to the earth?

    asked by rick
  14. chemistry

    using only the periodic table, write the expected ground-state electron configurations for: a. element number 116 b. an element with three unpaired 5d electrons c. the halogen with electrons in the 6p atomic orbitals

    asked by aaloy
  15. chem-help

    the bright yellow light emitted by a sodium vapor lamp consists of two emission lines at 589.0 and 589.6 nm. what are the frequency and the energy of a photon of light at each of these wavelengths? what are the enegies in kJ/mol

    asked by justin
  16. Chemistry

    What is the OH^- concentraton of a solution that is 0.10M in Na2C2O4? I have a couple of these concentration questions asking different things but I don't know how to do them

    asked by LT
  17. Macroeconomics

    The following calculations help you see how the ratio of debt to GDP changes from one year to the next. Suppose that in a hypothetical country with a currency called the ducat, debt is equal to 140 trillion ducats and GDP is equal to 100 trillion ducats.

    asked by Jenny
  18. physics

    A farm boy studying physics believes that he can fit a 15.0 m long pole into a 12.0 m long barn if he runs fast enough (carrying a pole). Can he do it? Explain in detail.How does this fit with the idea that when he is running the barn looks even shorter to

    asked by raks
  19. Chem II

    Ammonia is a weak base. If Ammonium nitrate is added to it, the pH of the ammonia solution will _____________ (increase, decrease, stay the same)

    asked by Ken
  20. physics

    An owl has good night vision because its eyes can detect a light intensity as small as 5.0*10^-13 W/m2. What is the minimum number of photons per second that an owl eye can detect if its pupil has a diameter of 7.0 mm and the light has a wavelength of 545

    asked by rick
  21. Physics check

    1)How is displacement different from distance? Under what conditions can an object travel a certain distance and yet its resultant displacement be zero? Displacement is a vector quantity while distance is a scalar quantity. If an object goes round-trip its

    asked by Jon
  22. english - revise

    Where do you normally find information for topics that interest you? how do you know when sources are reliable? Explain: In order to find information for topics that interest me, I will go to the University library. When using different sources such as

    asked by rose
  23. English expression

    Hana Middle School This is our school. It's 37 years old. There are 780 students and 34 teachers. We have a computer center and a library. We have a gym and a music room, too. Our Classroom This is our classroom. There are 40 students in our class. Our

    asked by John
  24. Chemistry

    Equal volumes of 1 M BaCl2 and 1 M NaSO4 are mixed. What effect will the addition of more Na2SO4 solution have on the concentration of Ba^2+ remaining in solution? *No effect *increase the concentration of Ba^2+ ions *Decreases the concentration of Ba^2+

    asked by LT
  25. Chem II

    Calculate the pH and percent ionization for the solution made up of 0.035 M NH3 and 0.015 M NH4Br.

    asked by Ken
  26. To Kill A MockingBird ..please help.

    Hi, in to Kill A mockingbird , can you please help me out, and tell me any significant events that happen in CHAPTER 23? I am suppose to explain why the events , important speeches in Chapter 23 are important. All I can really think of is that Attticus

    asked by May
  27. Chemistry

    Which one of the following salts is obtained by the reation of a weak acid with a strong base. MgCl2 NH4F LiClO4 NaCl K2SO3

    asked by LT
  28. Physics

    The energy of the nth excited state of a hydrogen atom is proportional to 100 - (100/n2). 1) Using this formula, calculate the energy of the first five energy states. 2) How many spectral lines are possible for the transition of a photon in the n= 5 state

    asked by CGUFF
  29. chemistry

    Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2:

    asked by Joseph
  30. science

    unscrammble the word oucocbitinmulaa

    asked by Patty
  31. English

    How do you write a acrostic poem?

    asked by Aben
  32. Physics

    A 22.8 kg turntable with a radius of 47 cm is covered with a uniform layer of dry ice that has a mass of 4.08 kg. The angular speed of the turntable and dry ice is initially 0.52 rad/s, but it increases as the dry ice evaporates. What is the angular speed

    asked by Christina
  33. Physics check

    1)What can you say about the motion of a body if: a. its displacement-time graph is a straight line inclined with the time axis b. its velocity-time graph is a straight line inclined with the same axis. c. its velocity- time graph is a parabola A)The

    asked by Jon
  34. Physics

    A certain digital camera having a lens with focal length 7.5 cm focuses on an object 1.85 m tall that is 4.25 m from the lens. (a) How far must the lens be from the photocells? (b) How tall is the image on the photocells? Is it erect or inverted? (c) A SLR

    asked by J
  35. Physics

    What evidence can you cite for the wave nature of light? For the particle nature of light?

    asked by need help :-(
  36. science(chem)

    Can someone tell me if this objective for my lab report sounds alright? The objective of this multistep lab was to ultimately synthesize 4-bromo-2-chloro-6-iodoaniline through the intermediate formation of acetanilide, 4-bromoacetanilide,

    asked by ~christina~
  37. chemistry

    A weak base with a concentration of 1.3 mol/L has a percent ionization of 0.72%. What is the Kb of this weak base? could someone help me with this question or how to get started?

    asked by samantha
  38. chemistry

    calculate the equilibrium constant for the reactionas written at 940K. NH4Cl->NH3+HCl delta H= NH4Cl -1779, NH3 -46, HCl -92 delta s= NH4Cl - 682,NH3 192,HCl 187 i don't know how to solve for the equilibrium constant without the concentration of the

    asked by david
  39. Physics

    What does wave interference have to do with the electron energy levels in an atom?

    asked by need help :-(
  40. English expression

    What sport do you like best? I like rope jumping best. What sports do you like best? I like cricket and dodgeball best. Which sport do you like better, billiards or squash? I like billiards better. Do you play rugby sometimes? Yes, I do. Do you play sports

    asked by John
  41. Physics

    A skier starts at rest on the top of Mt Circular, a strange, smooth, icy hill shaped like a hemisphere. The hill has a constant radius of R. Neglecting friction (it is icy!), show that the skier will leave the surface of the hill and become air-borne at a

    asked by Courtney
  42. chemistry

    Because solution pH is a measurement of either [H3O+] or [-OH] concentration, the acidic or basic nature of the acids and bases used in this experiment can be ascertained by inspecting just the density (electrostatic) potentials from the products (which

    asked by David
  43. Physics

    You want to take a full length photo of your friend who is 2 m tall, using a 35 mm camera having a 50 mm lens. The image dimensions of 35 mm film is 24 mm by 36 mm, and you want to make this a vertical photo in which your friend's image completely fills

    asked by J
  44. chemistry

    use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with

    asked by Katie
  45. Biology-Smallpox

    Who usually gets smallpox? Who's at risk, age groups or areas of the world

    asked by Mike
  46. chemistry

    The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.520. If a trial's absorbance is measured to be 0.275 and its initial concentration of SCN– was 0.00060 M, the

    asked by david
  47. organizational theory and behavior

    How has learning about Organizational Behavior given you a better understanding of organizations in your community? Has what you have learned about Organizational Behavior increased your interest in a future leadership or management role? Would you now

    asked by deshaun
  48. Physics

    An electron (m=9.11 * 10^-31) enters a uniform magnetic field B=1.8T and moves perpendicular to the field lines with a speed v=0.92c. what is the radius of curvature of its path?

    asked by Jenish
  49. Chemistry

    What does the density potential (also known as the electrostatic potential) measure? What do the colors on the images indicate?

    asked by David
  50. chemistry

    "Ag(s) reacts with none of the 4 (solutions of Ag^+2, Pb^+2, Cu^+2, Zn^+2}. So Ag(s) goes at the bottom of the table for now although there may be some metals below silver when you finish with the entire table. Cu(s) reacts with (Ag^+ solution) so Cu goes

    asked by Joseph
  51. PHYSICS

    Oil is flowing with a speed of 1.30 m/s through a pipeline with a radius of 0.315 m. How many gallons of oil (1 gal = 3.79 10-3m3) flow in one day?

    asked by Zach
  52. Math

    In Music, What Does "Allegro" Mean?

    asked by Matt
  53. English Expression

    ex) Do you like baseball? Do you like jumping rope? Do you like jumping ropes? Do you like jump rope? Do you like rope jumping? Do you like skipping rope? Do you like rope skipping? --------------------- Instead of 'baseball', can we use all the other

    asked by John
  54. Physics check

    1)The velocity of sound in air is 332 m/s. If the unit of length is km and the unit of time is hour, what is the value of velocity? m/s 2)What conclusions can be drawn if a velocity-time graph is a curve? acceleration is not constant.

    asked by Jon
  55. Physics check

    A boy starts from point A and moves 5 units toward the east, then turns back and moves 3 units toward the west. What is the displacement in the position of the boy? 5-3=2 2 units east

    asked by Jon
  56. chem

    what colored lines are expected in the atomic emission spectrum for mercury?

    asked by natash
  57. Chem

    In a molecular weight determination, a volume of an unknown gas effused through a small opening in 40 seconds while the same volume of O2 required only 20 seconds for effusion. Calculate the molecular weight of the unknown gas.

    asked by Casey
  58. History

    How did the consumer economy in the late 1800s effect American life?

    asked by Anna
  59. Physics

    A certain digital camera having a lens with focal length 7.5 cm focuses on an object 1.85 m tall that is 4.25 m from the lens. (a) How far must the lens be from the photocells? (b) How tall is the image on the photocells? Is it erect or inverted? (c) A SLR

    asked by J
  60. calculus

    Could somebody please check these for me? Solve the differential equation with the given initial solution. 1. (dy/dx)=(-y/3) for y(0)=10 my answer was y=10e^(-x/3) 2. dP/dt=P+4 for P(0)=100 my answer was P=104(e^t)-4 3. dz/dt=te^z for z(0)=0 my answer was

    asked by tia
  61. Geometry

    Find the radius of a right cone with the slant height 21m and the surface area 168pi m^2

    asked by Help me!!
  62. Spanish Homework

    Estuve trastornado tan cuando mi hermano pidió que el hombre polaco saliera de nuestra casa. Entonces fui abajo al sótano a trabajar en mi preparación. Sin embargo, no era alegre. Deseé levantarme y bailar. Despejé tan mi escritorio, estaba parado

    asked by Alex
  63. WORD PROBLEMS

    AND THE LAST TWO ARE THE FOLLOWING: 9. MARTHA LIND RECEIVED ANOTICE SHOWING THAT HER EMPLOYER PAID THESE BENEFITS BASED ON HER 53,000 ANNUAL SALARY:8.7%, REQUIRED TAX BENEFITS, 6%; MEDICAL INSURANCE; 3% PENSION PLAN CONTRIBUTION; 5% VACAION AND HOLIDAY

    asked by JESSICA 33
  64. English

    How do you analyze a poem???...i always have trouble trying to understand the poem...especially metaphors because they have a different meaning then what the words means directly.

    asked by Vanessa
  65. chem

    why are the atomic emission line spectra different for each element?

    asked by natash
  66. math/trigonometry

    solve secx/2=cosx/2 over the interval[0,2pi) without using a calculator

    asked by jake
  67. world geography

    i need help with world geography lesson from penn foster ezamination number 6648y if anyone has answers please help, thanx

    asked by nathan
  68. trig

    write the expression sin4xsin5x as a sum or difference of trigonometric functions

    asked by sam
  69. calculus

    from the equation: x^4 - i = 0 x^4 = i how do you get: The solutions are the fourth roots of i = cos(pi/2) + isin(pi/2) I don't understand how you get pi/2? please full and detailed explanation please.

    asked by Dom
  70. Chemistry

    How do you calculate the pH, pOH, [H3O] and [OH] for a 0.067 M solution of sodium iodate

    asked by LT
  71. chemistry

    hey drbob222 do you think you could help me out with this lab. Lab: Electrolytic Cells Purpose: The purpose of this experiment is to test the method of stoichiometry in cells. Materials: balance steel can tin electrode power source wire lead (x2) tin (II)

    asked by unknown
  72. Spanish

    Estuve trastornado tan cuando mi hermano pidió que el hombre polaco saliera de nuestra casa. Entonces fui abajo al sótano a trabajar en mi preparación. Sin embargo, no era alegre. Deseé levantarme y bailar. Despejé tan mi escritorio, estaba parado

    asked by Alex
  73. 6th grade math word problem

    Mrs. Silva has 24 lillies to arrange in equal rows. Name all the possible of number of lillies she could have in each row.

    asked by Canyon
  74. english

    In three of the last four presidential races, the winner of the Iowa Republican primary has not captured the Republican nomination. Therefore, the winner of the next Iowa Republican primary will not capture the Republican nomination. a) true beyond a

    asked by Matt
  75. english

    Michael Jackson has had more plastic surgery than anybody else in California. You can bet he’s had more than anybody in Connecticut! a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false The answer is (C) possibly true or

    asked by Matt
  76. AED

    help! Is it best to adjust instruction to teach in accordance with individual learning styles, or should students experience and be encouraged to participate in activities that require learning styles other than those they naturally prefer? In other words,

    asked by Dawn
  77. Chemistry

    What is the pH of the solution created by combining 2.00 mL of the 0.10 M base[ammonia] with 8.00 mL of the 0.10 M acid[acid acid]? I tried this problem so many times, but always got it wrong. It's a weak base and acid titration. but i don't know the

    asked by HELP Plz
  78. science

    the movement of static electricity into an object is a(n)?

    asked by sheri
  79. chemistry

    I found a pattern and I was wondering if it applies to all reactions. The more times there is evidence of a redox reaction occuring for an element, the higher this element will be on the list?

    asked by Joseph
  80. math(did i do this right)

    did i factorise this correctly?? 8h^2-4h 2h(4h-2) 8h^2-4h

    asked by sam
  81. trig

    3x - y = -4

    asked by Wanda
  82. Factoring

    (100)d^2-(57.3)d= 0 solve for d. yes...I just can't figure out what number I'd use to factor this and it got bumped to the next page. I thought it was an easy question but... Thanks

    asked by ~christina~
  83. trig

    give the exact real number value without using a calculator sin[(cos^-1)(1/4)] sin[(tan^-1)(3/4)+(tan^-1)(12/5)]

    asked by billy
  84. chemistry

    the s.p.h of iron is 0.405 J/g-K. how many joules of heat are needed to raise the temperature of 0.105 kg of Fe from 298K to 361.5K

    asked by bebo
  85. math?? factoring

    100N/m d^2 - 57.3d= 0 sigh...I can't figure out how to find d know it's factoring but as to actual number to factor out...not so sure. Thanks

    asked by ~christina~
  86. mass media

    If you have a population of 500,000 people how many to be sample to give a representative profile with only a 5% point margin of error ?

    asked by leslie
  87. accounting

    a) Use the following data to compute averafe revenues per store, capital spending per new store, and ending inventory per store. b) Assume 200 additional stores will be added by the end of year +1 and assume that each new store will be pen for business for

    asked by Bob
  88. English Grammar

    This school building is 37 years old. This is a 37-year-old school building. The boy is 13 years old. He is a 13-year-old boy. The is 170 cm tall. He is a 170 cm-tall boy. ---------------- Is each pair the same and grammatical?

    asked by John
  89. english - after revision

    In order to find information for topics that interest me, I will go to the University library. When using different sources such as website, library and articles, it is very important to know that each source has an author and which one is the most

    asked by rose - Ms. Sue
  90. Math

    How could you use mental math to find 3x122?

    asked by Chelsea
  91. english literature

    i am writing a research paper about JOHN KEATS and his 3 works ( social political religious or any)_ but i didn't find some of the things about him. my question is: WHAT ARE THE SOCIAL POLITICAL AND RELIGIOUS CONTRIBUTION OF JOHN KEATS TO THE ENGLISH

    asked by martin
  92. math

    how would I solve 5x+7=42

    asked by farah
  93. algebra 1

    I'm having troubles with these problems from a packet I got: 1. 1/x^2-9 2. 2(x-1)^2-(x-1)-1 3. y^2(a-b)-(a-b) 4. c^2+c+1/4 5. (x+1)^2-3(x-1)+2 6. x^4-9x^2+20 7. y^2-1/6y-1/6 8. n^4+2n^2-3 Please help. Thanks.

    asked by Victoria
  94. chemistry

    use and activity series to Identify two metals that will not generate hydrogen gas when treated with and acid write balanced molecular equations: aluminum metal with dilute nitric acid Write balanced molecular equations:Calcium hydroxide solution with

    asked by Katie
  95. Math

    1.5 x 1.5 =

    asked by Andre
  96. Western Civiliztion

    In 1875, which of these four political philosophies best addresses the political realities of Europe? Why? ----------------------------------- 1. A group of Austrian conservatives, adherents to the principles advocated by Prince Clemens von Metternich: Our

    asked by Jarrod
  97. social studies

    List four major events from this lesson! Patriots at War

    asked by christian
  98. english

    You expect to get forty miles to the gallon in that? Why, that old wreck has a monster V8; besides, it’s fifty years old and needs an overhaul. a) true beyond a reasonable doubt b) probably true c) Possibly true or possibly false The answer is (C)

    asked by Matt
  99. english

    . The number of cellular telephones has increased dramatically in each of the past few years. Therefore there will be even more of them in use this coming year. a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false my answer

    asked by Ahish
  100. math

    A cylindrical ring of thickness 3.5mm.Each ring has internal diameter 14 mm and external diameter 16 mm.Taking pie=3.14 calculate the volume of maetla in single link chain,writing your answer correc to 3 significant figs.

    asked by sascha
  101. Science

    After replicated a DNA molecule with two strands three times, how many molecules of DNA are formed? Is eight the correct answer?

    asked by Kally
  102. spell

    To be worryless, could mean life itself. Many people struggle through everyday life - Children, Bills, School, but most importantly money. The world has evolved around money, and i wish that people could be worry free, and didn't have to worry about money,

    asked by Walker
  103. math (did i work this right)

    if f(x)=2x-1 and g(x)=1/2(x+2) calculate a)f(3) b gf(3) a)f(3)=2(3)-1=5 b)gf(3)=1/2(3+2)=3 2(3)-1=5

    asked by cassie
  104. algebra

    Create an equation of a nonlinear function and provide two inputs to evaluate

    asked by C
  105. Physics

    A ball is thrown vertically upward with a speed of 1.53 m/s from a point 4.21 m above the ground. Calculate the time in which the ball reach the ground. I'm figuring I have to do something with 9.80 which is gravity but I don't know what.

    asked by Jon
  106. math

    how do i expand and simplify (2x+5) (3x-4)

    asked by mina
  107. 1984

    1.What is Orwell's version of history prior to his own time? My answer: I don't understand this question. 2. How many of Orwell's predictions have come true? My answer: I don't think many of Orwell's predictions have come true. The thought police and the

    asked by Christian
  108. math

    how do i factorise: a)5a^2b+ab^2 b)9k^2-1 c)2y^2-5y+2

    asked by margaret
  109. statistics

    If you have a population of 500,000 people how many to be sampled to give a representative profile with only a 5% point margin of error ?

    asked by leslie
  110. algebra

    what is the solution to 8/9(b-72)

    asked by C
  111. biology

    Can someone help me find information to refute or support that without the invention of the mircscope, the cell theory would not have been possible.

    asked by xoliswa
  112. Physics / Dynamics

    An object is 6000 mi from the surface of a 4000 mi diameter planet. If the relative speed is 12000 mi/hr and the surface gravity of the planet is 12.9 ft/s^2, determine the impact velocity at the surface. Given answer: 15460 mi/hr Thanks in advance.

    asked by alpha
  113. Physics

    A free nuetron can decay into a proton, an electron, and a neutrino.Assume the neutrino's rest mass is zero, and the rest masses for proton and electron are 1.6726*10^-27 kg and 9.11*10^-31 kg. Determine the total kinetic energy shared among the three

    asked by Jenish
  114. English grammar

    I would recommend parents to use articles that are written by college professors, a doctor in education, or a specialist in child development, since these are more credible articles than articles written by parents or family members.

    asked by Bizzy
  115. Math

    What happened after Chief Short Cake died?

    asked by Matt
  116. Chemistry

    All of the following species would be expected to be able to function a Lewis bases EXCEPT a. F- b. O2- c. OH+ d. H2O BF3

    asked by LT
  117. algebra

    Create an equation of a nonlinear function and provide two inputs to evaluate

    asked by C
  118. chemistry

    I need an edible suspension for a project i am doing.

    asked by casey
  119. Chemistry

    The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? A. (mb)^1/2 B. (–mb)^1/2 C. (mb)^1/2 D. mb E. –mb^2 F. None of these are correct.

    asked by Chris
  120. english

    Although Max bled profusely before he died, there was no blood on the ground where his body was found. Therefore, he was killed somewhere else and brought here after the murder. a) true beyond a reasonable doubt b) probably true c) possibly true or

    asked by Karen
  121. english

    The annual rainfall in California’s north valley averages twenty-three inches. So the rainfall next year will be twenty-three inches. a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false The answer is (C) possibly true or

    asked by Chris
  122. english

    The New York steak, the Maine lobster, and the beef stroganoff at that restaurant are all exceptionally good. All the entrees are excellent. a) true beyond a reasonable doubt b) probably true c) possibly true or possibly false my answer is "C"

    asked by Ahish
  123. AP HISTORY

    What was the least common and least sucessful form of slave resistance pre civi war?

    asked by Alexis
  124. AP HISTORY

    Who were most slaves in the South owned by?

    asked by Alexis
  125. english

    . Since the graduates of Harvard, Yale, Princeton, and other Ivy League schools generally score higher on the Graduate Record Examination than students from Central State, it follows that the Ivy League schools do more toward educating their students than

    asked by Matt
  126. english

    Relax. The kid’s been delivering the paper for, how long? Three, four years maybe? And not once has she missed us. The paper will be here, just wait and see. She’s just been delayed for some reason. a) true beyond a reasonable doubt b) probably true c)

    asked by Matt
  127. WORD PROBLEMS

    5. THE UNIT COST OF A BEGINNING INVENTORY OF 405 UNITS IS zzz$15.16. TH EUNIT COST OF THE LAST 600UNITS PURCHASED IS $16.81 . USE FIFO TO FIND THE VALUE OF THE ENDING INVENTORY OF 170UNITS. 6. MXV PRODUCTS USES A COMPUTER PROGRAM TO SCREEN JOB APPLICATION

    asked by JESSICA 33
  128. WORD PROBLEMS HELP

    CAN SOMEONE PLEASE HELP ME WITH ASSISTENCE ON THE PREVIOUS PROBLEMS....OR SHOW ME HOW OR WHAT FORMULA TO USE.....ANYTHING IS HELPFU.

    asked by JESSICA 33
  129. english

    • The article I chose is: how stuff works – communication. The type of introduction that the writer used was to include interesting facts about the subject. He also gave animated illustrations to show how telephone communication works. The kind of

    asked by Tom
  130. Media- help with a reference

    I'm currently writing an essay for university but have a slight problem with one of my references. The source comes from a book called Screen Violence which is a collection of essays, edited by Karl French. The piece that I am referencing from is an

    asked by Harriet
  131. biology

    explain why the movement of chlordie ions and water is reduced in a person with cystic fibrosis. please could someone help me! thanks

    asked by sam
  132. math

    solve the simlutaneous equation: x^2= 4-y x= y+2

    asked by jack
  133. grammar

    could you explain the difference of seen and saw.Thankyou.

    asked by janice
  134. math

    simplify: a^2+4a/a^2+3a-4

    asked by rita
  135. math

    fatorise: a)x^2-5x b)x^2-81

    asked by marisa
  136. math

    solve the equation 4x+5/4 - 9+2x/3=0

    asked by fran
  137. math

    given that l=-2, m=3 and n=7 calculate the value of: lm(m-n)

    asked by keese
  138. Math

    3x - y = -4

    asked by Wanda
  139. literary

    My daughter has to write an advertisement using 3 different propaganda techniques. I cannot find a definition or sample of propaganda techniques..can you help?

    asked by Mary
  140. Math Help Needed

    I need to figure out a pattern (using an algebraic expression) that will get me from: 1 to .01, 2 to .02, 3 to .04, 4 to .08, etc. all the way to 25 to 153,948.16! HELP

    asked by Andrew
  141. Maths

    Given y2 wirte down the value of y: y2 = 81 y2 = 25 y2 = 16 y2 = 100 y2 = 4 y2 = 16

    asked by Rebeca
  142. mass media

    If you have a population of 3,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error?

    asked by leslie
  143. mass media

    If you have a population of 1,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error ?

    asked by leslie
  144. math

    Explain how to reflect a polygon over the X axis and the Y axis.

    asked by Kayla
  145. algebra 1

    c^2+c+1/4 I don't understand how to do that equation.

    asked by Victoria
  146. Social studys

    Vikings

    asked by Vikings
  147. math (repost)

    if f(x)=2x-1 and g(x) 1/2 (x+2) calculate a)f(3) now if 2(3)-1=5 how do i find for gf(3)????

    asked by cassie
  148. English

    hi i would want to know good websites for research about Mid summer night stream as we are going 2 start reading that book and so my teacher wants a little summary about it??

    asked by numz
  149. maths (is this correct)

    calculate the exact value of 4 1/5 - (1 1/9 * 3)is it=39/45

    asked by marsha
  150. AP Chemistry

    Hey I have the AP Chem test coming up and i was wondering where I could find the answer key to some of the AP Chemistry tests like 1994, 1999, and 2002 MC and FR

    asked by Corey
  151. Statistics

    If you have a population of 1,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error ?

    asked by leslie
  152. statistics

    If you have a population of 3,000,000 people, how many to be sampled to give a representative profile with only a 5% point margin of error?

    asked by leslie
  153. Math

    Franca Traveled 6.8km from one town to another Town. Where might Franca have traveled.

    asked by inder
  154. geometry

    What are the names of the faces of a pyramid?

    asked by Viradis
  155. religion

    The basis of Jewish faith is found in which part of the Bible?

    asked by Nikki
  156. A

    What is the translation of: The product of 32% of some number (q represents some number)?

    asked by C
  157. spell

    I have a question for language arts. My question is that I got this homework saying Each word below is misspelled. Rewrite each word correctly. And the words are rippol_____ sampel_____ rurol______ jewle______ raffel______ plurel______ royle_______

    asked by Netanya
  158. math

    what is 4.48586766654575855656?

    asked by travie
  159. Science

    How is yeast considered a fungus?

    asked by Kathryn
  160. Math

    How could you use mental to find 5x306?

    asked by Chelsea
  161. socila studies

    the pros and cons of oil issues

    asked by mariaya
  162. chemistry

    for the redox k lab there are also two questions.. drbob222 do you think you could help Question: 1. Of the reactions that occurred spontaneously in the individual tables, what types of qualitative changes would you observe that would indicate the reaction

    asked by unknown
  163. English expression

    1. I like fully ripen persimmons. 2. I like well-grown persimmons. Are they have the same meaning? What is the English word for a persimmon which feels smooth and well ripen so that people can eat with ease? Do you have a special term for that?

    asked by John
  164. english

    The sign on the parking meter says “Out of Order,” so the meter isn’t working. a) true beyond a reasonable doubt b) probably true c) possibly true or possible false my answer is "B" please help

    asked by Chris
  165. Biology-Bacteria

    What are the two basic ways that bacteria cause disease? Thanks

    asked by Sue
  166. Social Studies

    Did the colony of Virginia want to be free from England?

    asked by Kaitlyn
  167. trig

    1-tan^2x/ 1-cot^2x = 1-sec^2 x

    asked by traci
  168. algebra1

    If there are 700 people in the town, how many people have both cats and dogs? 22% has both cats and dogs. I am having trouble because i keep coming up with 1.54. Just don't seem correct.Help!

    asked by deshaun
  169. Social Studies

    What laws regulate media censorship?

    asked by Anonymous
  170. english

    When liquor was banned in 1920, hospitalizations for alcoholism and related diseases plummeted; in 1933, when Prohibition was repealed, alcohol-related illnesses rose sharply again. Legalization of cocaine, heroin, and marijuana would not curb abuse of

    asked by Anne
  171. english

    First, it seems clear that even if there are occasional small dips in the consumption of petroleum, the general trend shows no sign of a real permanent decrease. Second, petroleum reserves are not being discovered as fast as petroleum is currently being

    asked by Matt
  172. SCi

    What carbohydrates are, the difference between simple and complex carbohydrates, how sugars are broken down and used in the body, the benefits that carbohydrates provide to the body • Give examples of foods that are considered healthy sources of

    asked by Dawn
  173. WORD PROBLEMS

    I JUST NEED HELP IN DECIDING WHICH WAY TO SOLVE. I LIKE TO SOLVE THEM BUT I AM HAVING TROUBLE SETTING THEM UP... 1. THE BOARD GAME SKRIBIN HAS DAILY SALES OF 12UNITS. IT TAKES 28 DAYS TO RECEIVE A NEW SHIPMENT. NO SAFETY STOCK IS PURCHASED. WHAT IS THE

    asked by JESSICA 33
  174. Maths

    The weight of a termite mound (y) in kilograms is measured each month (x) after it was first found. The mound after 1 month is found to be 2 kilograms and after 3 months it is measured at 18 kilograms. It is believed that the model connecting the weight of

    asked by TP
  175. science

    explain the causes, results and strategies of fuelwood crisis

    asked by zinhle mz
  176. College/degrees

    what is the difference between an business amdinistration degree and an business mangment degree?

    asked by Bryan