Questions Asked on
April 5, 2011

  1. Principles of Marketing

    A marketing manager is considering opportunities to export her film’s current consumer product to several different countries. She is interested in getting secondary data that will help her narrow down choice to countries that offer the best potential.

    asked by ak
  2. chemistry

    If you used 0.500 grams of Mg and an excess of HCL, how much hydrogen gas should be produced at STP

    asked by Anonymous
  3. Managerial Accounting

    Flexible budget planning Sam Yu, the president of Centech Computer Services, needs your help. He wonders about the potential effects on the firm's net income if he changes the service rate that the firm charges its customers. The following basic data

    asked by Courtney
  4. Principles of Marketing

    Describe the situation that would lead to the use of the three different buying process for a particular product lightweight bumpers for a pickup truck

    asked by ak
  5. geometry

    a right squarepyramid has a base length of 4cm and heeight of many times greater is the surface area of a right square pyramid with the same height if the base length is doubled?

    asked by simrat
  6. Managerial Accounting

    Determining and interpreting flexible budget variances Use the standard price and cost data supplied in problem 15-18. Assume that Holligan actually produced and sold 31,000 books. The actual sales price and costs incurred follow. Actual price and variable

    asked by Kevin
  7. maths

    how many times greater is the surface area of a right square prism with dimensions 4cm by 4cm by 4cm than a right square pyramid with height cm and base side 4cm?

    asked by simrat
  8. maths

    a) Construct a right square pyramid with your choice of dimensions (maximum base of 5 by 5 units). base dimensions: Slant height: Calculate its surface area

    asked by simrat
  9. Chemistry

    Label the following reactions as combination, decomposition, displacement, precipitation, or acid-base reaction. Also whether each reaction is a redox or non redox reaction. SO2(g)+H2O(l)-> H2SO3(aq) NH3(aq)+HS(-)(aq)-> NH4(+)(aq)+S(2-) Na2O2(l)->

    asked by sara
  10. maths

    b) if the surface area of the base is increased by times its original surface area,(with the same vertical height),calculate the new surface area of the pyramid.

    asked by simrat
  11. math


    asked by deek
  12. Lab Math

    How to prepare a 0.8% agarose gel with TAE. It does not give the concentration of the TAE so I am not sure how to prepare this gel. Thanks

    asked by Morgan
  13. math

    what does 4/5 of 25 mean?I don't get that

    asked by jake
  14. English

    I am supposed to write whether these sentences are conceptual or practical; However, I have a feeling that some of them are wrong because they all started to run together. PLEASE HELP! Practical goal: You have a specific action in mind and try to convince

    asked by Danielle
  15. math

    5+(3x3-3) / 2 =

    asked by kyle
  16. Calculus

    Find the global maximum and minimum values of f(t)=4t/(2+t^2) if its domain is all real numbers?

    asked by Catherine
  17. Managerial Accounting

    what management position is responsible for each variance: Sales Materials Labor Overhead General, Selling & Administrative What causes these variances?

    asked by Craig
  18. phi

    11{2[3(11)35]}> Some politicians claim to support the environment in speeches they make around the country. However, to get to those speeches they ride in gas guzzling, pollution creating private planes. They therefore clearly don’t believe a word of

    asked by lyz
  19. chemistry

    how many atoms are in 0.320 moles of aluminum?

    asked by samantha
  20. physics

    A skater is gliding along the ice at 2.2 , when she undergoes an acceleration of magnitude 1.2 for 3.0 . At the end of that time she is moving at 5.8

    asked by Anton
  21. Geometry

    A science lab needs a right circular cylindrical container that holds 15 gallons of liquid & is 24in tall. A reference manual states that 231 cubic inches is equivalent to one gallon. What is the approximate radius, in inches, or the container?

    asked by Nelly
  22. writing

    Bill's manager has asked him to send all staff members the directions for checking out the new projector. In 1–2 sentences, describe what Bill should do. please help me start off don't really get it

    asked by yelena

    The chemical and engineering properties of cement are very important in the construction industries. One of the four principle chemical compounds in Portland cement in tricalcium silicate, 3CaO.SiO2. Calculate its molecular/formula weight?

    asked by Taynell

    The density of alcohol at 20 degrees celcius is 0.79g/ml. Calculate the weight of 1Litre of alcohol?

    asked by Taynell

    the equilibrium composition of a reaction is 1.522mol CO, 1.566mol H2, 0.478mol CH4 and 0.478mol H2O and the volume of the reaction vessel is 10Litres. -What is the equation for the reaction? -Calculate the equilibrium constant for both the forward and

    asked by Taynell

    What is buffer, and how does it affect the pH of a solution?

    asked by Taynell
  27. Business

    In Government Contracts is fair and reasonable pricing is more judgment-based or more market-based -why is that?

    asked by Ann
  28. science

    A ship sailed 15 km north, then 20km east followed by 10km south. Find its displacement from its starting point

    asked by Jas
  29. physics

    An object is acted by 3 coplanar forces:30 newton to the north, 20 in the direction S20degrees E and 25 newton in a direction W20degrees S.Find the resultant

    asked by Jas
  30. statistics

    For every 100 births in the U.S., the number of boys follows, approxiamately, a normal curve with a mean of 51 and standard deviation of 5 boys. If the next 100 births in your local hospital resulted in 36 boys (and thus 64 girls) would that be unusual?

    asked by Anonymous
  31. physics

    A motor boat due east at 10m/s on a current moving towards S 30 degree W @ 5.0m/s. Find the resultant value of the boat and the direction.

    asked by Fate
  32. Physics

    An air rifle is used to shoot 1.0 g particles at 100 m/s through a hole of diameter 2.0 mm. How far from the rifle must an observer be to see the beam spread by 1.0 cm because of the uncertainty principle? Compare this answer with the diameter of the

    asked by Abby
  33. Physics

    Electrons in a beam incident on a crystal at an angle of 300 have kinetic energies ranging from zero to a maximum of 5500 eV. The crystal has a grating space d=0.5A0, and the reflected electrons are passed through a slit .Find the velocities of the

    asked by Abby
  34. physics

    a) If a photon and an electron each have the same energy of 20.0 eV, find the wavelength of each. b) If a photon and an electron each have the same wavelength of 250 nm, find the energy of each. c) You want to study an organic molecule that is about 250 nm

    asked by Jennifer
  35. math

    What is 3 yd 1 ft - 1 yd 2 ft?

    asked by Alex
  36. physics

    For a class demonstration, your physics instructor pours 1.16 kg of steam at 100.0°C over 4.69 kg of ice at 0.0°C and allows the system to reach equilibrium. He is then going to measure the temperature of the system. While the system reaches equilibrium,

    asked by please help me
  37. Chemistry

    A solution is prepared with 50.0 g of HNO3 and 130.0 g of H2O. It has a density of 1.21 g/mL. What is the mass/volume percent?

    asked by Sara
  38. Chemistry

    158.5 mL of a AgNO3 solution at 5.0M was combined with a 3.5M CaCl2 solution. 110.5g of AgCl was recovered. Given that the CaCl2 is the limiting reagent, how many milliliters of the 3.5M CaCl2 solution was used?

    asked by Sara
  39. Representing Text

    If a term paper consisted 42 pages, each containing 40 lines of 100 symbols each (counting each space as a symbol), was to be encoded using Unicode, how many bytes of storage space would be required?

    asked by lj
  40. chemistry

    100 grams of a liquid completely fill a 200 ml bottle. What is the density of the liquid?

    asked by Joe
  41. physics

    Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

    asked by please help me
  42. English - Native speakers

    Hello what is the difference between a chef and a cook? Another question: If we have a sentence: It is mary's and john's birthday today do we put apostrophe where I put it? Can we say: He said in he camera or he said to the camera? (On TV) Do we say he

    asked by Mark
  43. Modern History

    Hi! I need a good website which talks about how many people Stalin had executed and the mock trials... Thanks! Tasha

    asked by Tasha
  44. English - Native speakers

    Another one! Why can't we say this stain remover is very efficient. Why do we say effective? What is the difference? What are facilities and what amenities? When do we use specimen and when sample?

    asked by Mark
  45. physics

    A car travels along the curved path with radius of curvature p= 30m such that its speed is increased by at = (0.5e^t) m/s^2, where t is in seconds. determine the magnitudes of its velocity and acceleration after the car has traveled s = 18m starting from

    asked by sw
  46. math

    How could constructivism be used in an integrated approach to teaching science and math?

    asked by Anonymous
  47. Biology

    . A woman whose father was color blind (X-linked, recessive) and who has type A blood has accused a man who is himself color blind of fathering her child. The accused man has type B blood. For each of the following cases, indicate whether or not the man

    asked by Whitney
  48. Biology

    In Siberian Huskies base fur color is represented by black & white fur BB, tan/yellow & white fur Bb, and white only fur bb. Siberians all posses two style of fur wire hair (W_) and smooth (ww). What would the genotype and phenotype frequencies be for a

    asked by Whitney
  49. Biology

    The gene for fur color in rabbits is an incompletely dominant situation: BB rabbits are brown, Bb rabbits are grey, and bb rabbits are white. The gene for fur color distribution is however co-dominant. This gene, S, has two alleles, S1 and S2; S1S1 animals

    asked by Whitney
  50. Genetics

    In cats the allele B produces black, whereas b produces yellow. Neither gene is dominant, and in the heterozygous state the phenotype is a combination of yellow and black spots called tortoise-shell. The alleles B and b are “X-Linked”. If a

    asked by Whitney
  51. chemistry

    2. If you used 0.500 g of Mg and an excess of HCL, how much hydrogen gas should be produced at STP?

    asked by Anonymous
  52. Nirvana Powerpoint Question

    I've got to make a powerpoint for the band Nirvana, and I've got to make some interesting points in it. I've got a lot of pictures of Kurt. I chose this topic cause I love the band, but It's kind of hard to explain good details. Could someone help me?

    asked by Allyson
  53. statistics

    One hundred employees working in the construction, manufacturing, and various other industries were selected for review of salary information and educational level. The salaries of the one hundred employees were reviewed to determine if the employees with

    asked by Nene
  54. history

    Wall paintings from Etruscan tombs depict a society that was seemingly A. sexually open. B. segregated with respect to gender. C. austere and sexually repressed. D. simple and didn't depict the human form.

    asked by Anonymous
  55. math

    An object's weight on the Moon is less than its weight on Earth. This is because the Moon exerts less gravitational force on an object than Earth does. The equation m = can be used to find an object¿s weight on the moon, where m is the object¿s weight on

    asked by nmng
  56. chemistry

    prepare M/20 solution of oxalic acid. Find out the molarity and strength in gram per litre of the given solution of potassium permanganate with the help of the prepared solution of oxalic acid

    asked by sidd
  57. Physics-Help-I'm Stuck

    If a balloon is made of Mylar(alumized plastic) instead of rubber, would it stick to a wall if you rubbed the balloon against a wool sweater? If a charged balloon is held a distance "d" above some paper bits they start to move. If the balloon is moved half

    asked by Ellie
  58. chemistry

    given the following info for water molar heat of fusion 6.02kj/mol calculate the total quanity of heat evolved when 10.0g of steam is condensed,cooled,and frozen to ice at -50 degrees

    asked by jewel
  59. ENG 225

    I NEED HELP ON ENG 225 WEEK 5 DQ#1. Do you think that films,in general, influence society or does society influence what is presented in films?

    asked by vickie johnson
  60. algebra

    i need help with these problems (either a solution or how to plug them into a graphing calculator): 1) Solve by substitution or elimination 4/x + 1/y + 2/z = 4 2/x + 3/y - 1/z = 1 1/x + 1/y + 1/z = 4 2)Solve the system of equations by substitution. x^2 +

    asked by Alyssa
  61. chemistry

    what mass of copper II nitrate would be produced from the complete reaction of 45.6g of copper according to the chemical reaction : Cu + 2 AgNO3 (can't make it a small 3, sorry)----Cu(NO3) + 2 Ag

    asked by carla
  62. physics

    Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

    asked by John
  63. Env.Microbiology

    write down the '' balance sheet''(carbon,electron,ATP,etc)for the fallowing metabolic process: -use the most common alternatives. -Give the balanced overall reactions with correct stoichiometry -İndicate all key reactans and products. -calculate how many

    asked by please help me please!! urgent
  64. Accounting III

    What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most

    asked by Rochelle
  65. Discrete Math

    Solve the recurrence relation a_n = -2a_n-1 + 15a_n-2, n ≥ 2, given a₀ = 1, a₁ = -1. x² + 2x - 15, the distinct roots 3 and -5, so a_n = C₁(3^n) + C₂(-5)^n. The initial condition gives a₀ = 1 = C₁ - C₂, a₁ = -1 = 3C₁ - 5C₂. We obtain

    asked by Francesca
  66. music

    So, in G/B, B is the descending bass line under the G chord. The G chord I normally play is 300023. So, is the last string/note played whatever is closest to string 6 or whatever is closest to string 1? Is this an understood rule? I mean how do you decide

    asked by aestas
  67. Chemistry(HELP)

    Can you check this answer? 1. Heat of combustion is the heat released by the complete combustion of one mole of a substance. a.) True b.) False Answer: b.) False Is this right?

    asked by Cheryl
  68. physics

    find the total positive charge in 200gram of water

    asked by purna
  69. English

    I recently wrote an essay in English class and when I got it bcak I noticed that some of the words have agr or agr. over them. For example, most of them are over the words: their and they. I know it sounds confusikng, but if anyone can help, please do so.

    asked by Jennifer
  70. Chemistry: Check

    1. The amou

    asked by Cheryl
  71. Chemistry; Check

    1. The amount of heat absorbed in a chemical reaction is measured with a thermometer. a. true b. false answer: False

    asked by Cheryl
  72. Biology

    There are many differences between the two major cell types: prokaryotes and eukaryotes. However, the different structures and modes of organization perform basically the same functions. Briefly compare and contrast the different features or functions of

    asked by Jeromy
  73. billing and coding

    pick 3 firms to research. based on internet reseach on these companies write a 500-750 word reseach paper proposing at least three marketing opportunities that you would strongly suggest that each firm pursue

    asked by laura
  74. Calc.

    Find the value of the definite integral using sums, not antiderivatives: int= integral sign int((x + 2)/(x^(3/2)),x= 16..25)dx Please help.

    asked by CM
  75. statistics

    A sample of 70 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 24 years. The population variance is 18.

    asked by Brenda
  76. chemistry

    how many moles of N2 (g) re present in 1.00 of N2 (g) at 100 c and 1 atm?

    asked by heather
  77. millmottr

    write the related addition statement 8-3=5

    asked by alma
  78. Chemistry

    How fast should a 58.1g tennis ball travel to have a de Broglie wavelength that is equal to that of a photon of green light (5.40 X 10^3 angstroms)?

    asked by Josh
  79. calculus

    The velocity in the table is increasing, . Find an upper estimate for the total distance traveled using (a) n=4 (b) n=2 Which of the two answers is more accurate? 0 3 6 9 12 32 36 39 42 46

    asked by Anonymous
  80. history

    culture of comsumption during the eisenhower administration

    asked by maxcine
  81. business calculus

    find the slope of the tangent line y= -5x^1/2 + X^3/2; X=25

    asked by Lu
  82. Economics

    1. You read the following information about the economy: Real GDP up three percent from a year ago. Unemployment rate of 6.1 percent. Consumer Price Index up six percent from a year ago. Index of Leading Indicators up for the last six months. Prime

    asked by Jen
  83. general biology

    why is yeast used in the experiment of respiration?

    asked by vivian
  84. Chemistry

    How do you calculate the volumes of the acid solutions (1.50M HCl, 1.50M HNO3, and 1.50 M H2SO4?

    asked by Katie
  85. world history

    Which is NOT a way in which the Canadian government attempted to cooperate with French separatists?

    asked by Elizabeth
  86. science

    what is the main idea for Joule and give a detail to it and an example. Also for calorie, kilocalorie and caloric values.... I need help I don't know what is their main idea and detail and example..

    asked by nin
  87. statistics

    The average score on a particular exam is determined to be 84.35 with a standard deviation of 7.4. Assume the scores are normally distributed. Applicants with exam scores in the lower 10% directed to special retraining. What is the minimum score required

    asked by Anonymous
  88. physics

    The steering wheel of a car has a radius of 0.18 m, while the steering wheel of a truck has a radius of 0.25 m. The same force is applied in the same direction to each. What is the ratio of the torque produced by this force in the truck to the torque

    asked by Anonymous
  89. english

    Please help me identify the adjectives and adverbs in this: My experiences with credit and credit card started at age 18. I had several credit cards by the time I was in my mid-twenties. I did not realize that I over extended myself until I lost my job. I

    asked by marie
  90. computer question

    new computer viruses and other types of malware are released all the time. Identify a current virus or worm (most security companies, such as Symantec and McAfee, list the most recent security threats on their Web sites) and asnswer the following

    asked by erianne
  91. Chemistry

    In a hydrogen atom, from what energy level must an electron fall to the n=3 level to give a line at 1.28 um (micrometers) in the infrared region?

    asked by Kamila
  92. chemistry honors

    Assuming standard pressure, at what temperature is there an equilibrium between water vapor and liquid water?

    asked by mike
  93. English

    What is the structure and language of the poem Young by Anne Sexton?

    asked by jasmine
  94. Math

    If gas cost $3.69 per gallon and I travel 125 miles how much will it cost me total?

    asked by Rebecca walter
  95. english

    i need a persuasive essay on why the cotton production was dependent upon slave trade in the 1800s

    asked by taylor
  96. chemistry

    the temperature of water in a 100 mL container was raised from 26.7 degrees C to 62.3 degrees C. how much heat in calories was added

    asked by jessica
  97. algebra

    x squared-4x-5 your factoring each expression.

    asked by britt
  98. Physical Geography, Earth Science

    How do you label a Tectonic Map of Hypothetical Ocean Basin? I have to draw in the plate boundaries.

    asked by Chaseone
  99. Physics

    A 0.55-kg mass is suspended from a string, forming a pendulum. The period of this pendulum is 1.2 s when the amplitude is 2.2 cm. The mass of the pendulum is now reduced to 0.27 kg. What is the period of oscillation now, when the amplitude is 2.4 cm?

    asked by John
  100. Physics Simple Harmonic Motion

    The displacement of an object in SHM is given by y(t) = (7.0 cm)sin[(1.58 rad/s)t]. What is the frequency of the oscillations?

    asked by John
  101. Physics Simple Harmonic Motion

    A sewing machine needle moves with a rapid vibratory motion, rather like SHM, as it sews a seam. Suppose the needle moves 8.4 mm from its highest to its lowest position and it makes 27 stitches in 8.5 s. What is the maximum needle speed?

    asked by John
  102. math

    Ben can complete 4 math problems in 20 minutes. If he continues working at the same rate, how long will it take Ben to complete 17 math problems?

    asked by HELP
  103. Algebra

    6x^2+9cx= 6c^2 I tried moving the 6c^2 to the other side of the equation, then factoring (36) to arrive at (6x^2+12cx) (-3cx-6c^2)...then....6x(x+2c) -3c(x+2c)...but I am not getting it? The answer in the book is...-2c, c/2?

    asked by Alex
  104. Chemistry 111

    a)For the titration of an acid analyte with a NaOH titrant, a phenolphthalein endpoint will change from colorless to pink. If the "pink" resulted from perhaps only a half-drop(or less) of NaOH titrant and the Erlenmeyer flask is set aside on the laboratory

    asked by Alix
  105. Math

    Hello, I have a probability problem on combination that is not easy to solve for me, and I need help. Thank you. Probleme: Problem: Little Caesar's Pizza had a commercial on tv that said you could buy 1 pizza and get another one free, with up to 5 toppings

    asked by bikie
  106. chemistry

    The correct electron configuration for the ion formed by sodium when producing an ionic compound with chlorine

    asked by Anonymous
  107. Spanish 8th grade

    I have to write a sentence saying that I feel like doing some activity say playing baseball of football-it doesn't matter. We are suppose to use the tener form so I'm really confused. Thanks for helping. I thought it would Me gustaria(accent over i) jugar

    asked by Ellie
  108. Chemistry

    how do you find PH of 0.010 M HNO3 solution?

    asked by Courtney
  109. chemistry

    what is the concentration, in % m/m of a solution prepared from 50.0g sodium chloride and 150.0g of water

    asked by tim
  110. Physics

    The useful power output of Bryan Allen, who flew a human-powered airplane across the English Channel on June 12th, 1979, was about 350 W. The propellor of the airplane was driven by the pilot's legs, using a bicycle-tyoed mechanism. Using the efficiency

    asked by Seth
  111. English

    My instructions are to type 200 to 225 words of a short presentation on a topic of my choosing. I was wondering if you could please check my grammar and sentence structure in this Informative Essay. Breathing is something most of us take for granted;

    asked by Danielle
  112. math

    An inchworm crawls 10mm every minute.How doe he crawls in15min.

    asked by allen lews
  113. Discrete Math

    Solve the recurrence relation a_n = -6a_n - 1 + 7a_n-2, n ≥ 2, given a₀ = 32, a₁ = -17. This is what I have figured out so far: polynomial: x² + 6x - 7 distinct roots: 1 and -7 I do not understand how to find C₁ and C₂. How do I complete this

    asked by Francesca
  114. Math

    Let R be the plane region bounded by x=1, x=5, the x-axis and y=1/x. Approximate the are of R using 8 right rectangles.

    asked by Kelly
  115. Chemistry

    How can you tell if a molecule is polar or non-polar

    asked by Mm
  116. physics

    You look up and see a helicopter pass directly overhead: 3.10-s later you hear the sound of the engines. If the air temperature is 23.0°C, How high was the helicopter flying?

    asked by Matt
  117. Chemistry

    what are the relative strengths of the different intermolecular forces?

    asked by Mm
  118. Chemistry

    What physical properties can you use to verify the identity of a compound?

    asked by Mm
  119. Chemistry

    what tests can be run to identify the cation and anion of an ionic compound?

    asked by Mm
  120. physics

    You are viewing a New Year's Day fireworks display at a distance of 1500 m. It is 4.0°C. How long does it take the sound of the fireworks exploding to reach you?

    asked by sabeen
  121. physics

    The highest natural atmospheric temperature ever recorded on Earth was 58°C (136°F), at El Azizia, Libya on September 13, 1922. The record low temperature was −89°C (−129°F), which occurred at the Soviet Vostok Station in Antarctica on July 21,

    asked by rameez
  122. Chemistry

    what intermolecular forces are present in each: Potassium nitrate, Naphthalene, and benzoic Acid?

    asked by Mm
  123. physics

    You are standing 7.0 meters from a sound source that radiates equally in all directions, but it is too loud for you. How far away from the source should you stand to experience one third the intensity that you did at 7.0 meters? answer in meters

    asked by anjumk
  124. English

    I still have a few doubts on school rules. I hope you can have a look at them. It's urgent. 1)You mustn't dirnk or eat during lessons/school hours. 2) You mustn't ask questions when your teacher explains/is explaining/during explanations. 3) You must take

    asked by Mike
  125. physics

    15.0 meters from a sound source that radiates freely in all directions, the intensity is 0.000550 W/m2. What is the rate at which the source is emitting sound energy? answer in Watts.

    asked by tariq m
  126. creative writing

    unscramble hcssakiggdooeeep to make three words. --- ------ -------

    asked by michael
  127. physics

    The human eardrum has an area of 5.0×10–5 m2. (a) What is the sound power received when the incident intensity is the minimum perceivable, 1.0×10–12 W/m2? (b) What is the sound power at the eardrum for conversational speech, which has a sound level

    asked by janine ricca
  128. physics

    A grade-school teacher insists that the the overall sound level in his classroom not exceed 64 dB at his location. There are 25 students in his class. If each student talks at the same intensity level, and they all talk at once, what is the highest sound

    asked by chris giordano
  129. Chemistry

    In this equilibrium H2(g) + I2(g) 2 HI(g). What is happening on the molecular level? Like given the right energy when a H2 molecule hits a I2, is electron transfered and they just stick together? Or do they have to be in the right position? Who transfers

    asked by Sarah
  130. physics

    Jane and Sam alternately pound a railroad spike into a tie with their hammers. The crew chief has a migraine, and notes that Jane's hammer blows cause a sound with intensity 5.0 times greater than the sound that Sam makes when he swings his hammer. What is

    asked by shanelle james
  131. physics

    The sound of heavy automobile traffic, heard at a certain distance, has a sound level of about 75 dB. What is the intensity of the noise there? answer in W/m^2.

    asked by kait morgan
  132. physics

    Sound spreads radially in all directions from a source with power 15.3 W. If the intensity you experience is 3.00×10−6 W/m2, how far away are you from the source? answer in meters?

    asked by diane bavier
  133. Physics

    A bungee jumper makes a jump into the Gorge du Verdon in southern France from a platform 182 m above the bottom of the gorge. The jumper weighs 740 N and comes within 66 m of the bottom of the gorge. The cord's unstretched length is 30.0 m. (a) Assuming

    asked by Meisha
  134. Algebra II-Please check

    How many ways can a teacher arrange 10 students in a front row if there are 60 students I think I do 60!/50! = 2.74 *10^17 How many ways can you choose committee of 7 from a total of 20 (20 nCr7) = 77520

    asked by Katie L.
  135. 4th grade math

    what is the prime factorization of 24? f.)8x3 g.)4x3x2 h.)2x2x2x3 j.)2x3x2

    asked by megajolt
  136. com/220

    when do you normally find information for topics that interest you? how do you know when sources are reliable.

    asked by l


    asked by KALEIGH
  138. tonopah

    What is the best definition for a paragraph's topic sentence?

    asked by joaquin
  139. Pre-calc/Trig

    If cot(a)=3 and sin(b)= (15/17) where a being alpha lies in quadrant 3 and b being beta lies in quadrant 2, what is the exact value of sin(2a)

    asked by Kibrya
  140. math

    A rectangle is 3 times as long as it is wide, it's area is 108 square centimeters. What is the length? what is the width?

    asked by daniel
  141. math

    Shawna thinks that 8x2=17. what number pattern shows that she not correct?

    asked by tom
  142. 4th grade math

    write a decimal and 45/90 in simplest form

    asked by megajolt
  143. maths

    calculate the longest and the shortest perimeter possible that encloses and area of 9m..16m..25m..36.. can u tell me please

    asked by bev
  144. Calculus (Checking Answer)

    Find the antiderivative by hand in each case. S stands for the integral sign A) S x*sqrt(10 + x^2) dx So, u= 10 + x^2 du= 2xdx du/2= xdx (1/2) S sqrt(u) du (1/2)*((u^(3/2))/(3/2)) (1/2)*(2/3)*(u^(3/2)) (1/3)*(u^(3/2)) = (1/3)*(10 + x^2)^(3/2)

    asked by Chelsea
  145. math

    stacy multiplied 5x9 and said the answer was 44. what two patterns could you use to show that her answer is not correct?

    asked by tom
  146. algebra

    slope of -8y-3x+5=10x

    asked by deon
  147. Statistics

    A large corp wants to estimate the proportion of independent contractors who use a certain device. They want to be within 4% of the true proportion when using a confidence interval of 95%. How many contractors must be sampled if no preliminary estimate is

    asked by Heather
  148. physics

    A box weighing 50N was placed on a sloping plane inclined at 30degree to the horizontal. It was acted on by the force 50n. Find the perpendicular and parallel compönent

    asked by Fate
  149. Physics

    I am stuck on this question and not really sure what to do for it. I think that i can use this equation Q/dt=e*sigma*A*T^4 for it, but i'm not getting the right answer for it. Is this not the right equation? Question: Electronics and inhabitants of the

    asked by Eliz
  150. Math

    The original price is $36.00 and i have a discount for 30% how do i solve an show work

    asked by Mackenzie
  151. Math

    The original price is $36.00 and i have a discount for 30% how do i solve an show work?

    asked by Mackenzie
  152. Physics

    35 of copper pellets are removed from a 300 oven and immediately dropped into 120 of water at 20 in an insulated cup.What will the new water temperature be? I'm stuck on this problem and could use some help. I used q pellets = m · Cp · ΔT and q water =

    asked by Liz
  153. social socials

    Americans are united by their strong belief in basics principles.They believe that people are born with privileges that cannot be taken away from them. These are what?

    asked by Dezteni
  154. English/Writing

    I have to use all these words in one long sentence and the sentence has to make sense. Its on Essay Analysis...HELP>>> here are all the words analyse review comment coherent order clear balanced logical convincing for against pros cons breakdown overview

    asked by James
  155. geometry

    renting a car from company a costs $50 plus $.10 a mile. renting from company b costs $20 plus $.25 a mile. at what distance do the cars cost the same to rent?

    asked by Anonymous
  156. Maths

    The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please

    asked by Jannie
  157. Math (Reflection across y=x line)

    Here's a question that I am having trouble with: What is the resulting equation when y=x^3+2x^2 is reflected across the y=x line? I know that I need to switch the y with the x's in the equation, so is the answer they're looking for simply x=y^3+2y^2 or do

    asked by Randy
  158. Maths

    The product of two positive consecutive odd numbers is 255. What are the numbers? Please write this problem in quadratic equation form please

    asked by Jane
  159. english

    i need to find the Verb, Subject, Linking Verb, Indirect Object, Direct Object, Subject Compliment and the Objective Complement and the preposition phrases. Here are the question and my answer, can someone tell me what I did wrong on theses, The computer

    asked by Anta
  160. Maths

    The sum of the squares of three consecutive positive integers is 365 What are these integers? Please write this problem in quadratic equation form please

    asked by Jane911
  161. 4th grade math

    which expression represents the phrase three more than f? a.)3-f b.)f+3 c.)34+3 d.)f-3

    asked by megajolt
  162. math

    i really need help in math. im just in 6 grader and i don't understand this' 24x - 10 = 18x - 4

    asked by rubi
  163. social studies

    How does the far north of the region differ from the rest of the region?

    asked by ana
  164. chemistry

    number of moles in CL- 1.75 L of 1.0*10 -3M ZnCl

    asked by Ed
  165. English

    What is the role of art in people’s life?

    asked by Peter
  166. English

    1) Last June she drove with her older brother from their house in Oregon to her brother's new apartment in North Carolina. 2) She realized only afterwards that she should have listened to her mum's advice. 3) The trip really changed my life since it showed

    asked by Mike
  167. Math

    10^9, 10^-8, 10^5, 10^-6, 10^0 Put in order from least to greatest.

    asked by Anonymous
  168. English

    I forgot to ask you to check these sentences . Thank you for your help. 1)I forgot to add the following sentences. 2)I like sunbathing on the beach. I didn't go on the rides because I'm afraid of heights. 3)I'm looking for a hotel with air-conditioning,

    asked by Mike
  169. Physics

    In the rough approximation that the density of the Earth is uniform throughout its interior, the gravitational field strength (force per unit mass) inside the Earth at a distance r from the center is gr/R, where R is the radius of the Earth. (In actual

    asked by Mehreen
  170. Chemistry

    Write a balanced equation showing how you could prepare each of the following salts from an acid-base reaction: KNO3, NaBr, CaS.

    asked by Stacey
  171. Math

    Vera wrapped a package that measured 8 in. by 10 in. by 5 in. Find the surface are of the package. I really don't know why I'm having trouble with this problem, but for some reason I just don't know where to start it.

    asked by Sammy
  172. grammar

    what is the role of education in successful financial planning?

    asked by Star
  173. Math

    Mrs.dude is buying 2 pounds of chocolate for $7.50 . Write an expression to find the cost of 4.5 pounds of chocolate

    asked by John
  174. chemistry

    At what temperature (from your graph) do KNO3 and NaCL have same molar solubility?

    asked by Stacey
  175. english

    Whats the opposite of seditious

    asked by Bob
  176. geometry

    what is the area of a circle with a circumference of 22 pi in.? expressed in pi in. squared? and what are the steps to arrive at the solution?

    asked by Rachel
  177. Environmental Science

    I am writing a report on greenhouse gases. Most of it is very depressing about how greenhouse gas emissions have increased over the pats decade. I want to highlight, however, greenhouse gases, if any, which have decreased. Can you think of any?

    asked by Regina
  178. economics

    what are 3 criteria used to evaluate taxes?

    asked by abbey road
  179. math

    The math team spent $10 for the cake mixes and $4 for the cupcake paperliners. They sold 78 cupcakes at .75 each. What operations wi the math team use to determine their profit after playing for the mixes and liners?

    asked by Jackiee
  180. Chemistry

    The following questions refer to the following system: 500 mL of 0.02 M Mn(NO3)2 are mixed with 1.0 L of 1.0 M Na2C2O4. The oxalate ion, C2O4, acts as a ligand to form a complex ion with the Mn+2 ion with a coordination number of two. Mn2+ + C2O42- goes to

    asked by Susu
  181. physics

    Calculate the frequency in hertz and cm-1, as well as the energy in joules and electron volts of an x-ray photon with a wavelength of 4.55 angstroms.

    asked by hope
  182. Math--Proportions

    Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck

    asked by Lily
  183. 3rd grade math

    my daughter came home with input/output table don't understand how to do it Input Output 4 33 5 36 11 54 16 69

    asked by Andrea
  184. Math

    can you figure out this problem? 10c+c(c-4)

    asked by Sara
  185. math

    there are 3 games on tv in the afternoon on saturday and 4 games on tv in the night on saturday. There are 5 different games on tv sunday afternoun. how many different combinations of games can sam watch

    asked by pammy
  186. Statistics

    For many years the top-selling luxury car in North America was the Cadillac. It reigned from 1950 to 1998. In 2000, Cadillac sales dropped to half of the sales in 1978. It appeared that it was only popular with older males. Younger males seeking luxury

    asked by oscar
  187. math

    solve this linear programming problem; A chain saw requires 4 hours of assembly and a wood chipper 6 hours. A maximum of 48 hours of assembly time is available. The profit is $150 on a chain saw and $220 on a chipper. How many of each should be assembled

    asked by ash
  188. Chemistry

    1.62 g of CoCl2 x (xH20) were heated. After heating only .88g of CoCl2 remained. What was the formula of the original hydrate?

    asked by Courtney
  189. Trig

    A 60 ft. antenna stands on top of a building, From a point on the ground, the angles of elevation to the top and bottom of the antenna measure 58 and 44 respectively. How tall is the building

    asked by John
  190. english

    need help with fill in the blanks-- Our fram will p________much p______ this season

    asked by Anonymous
  191. Chemistry

    Calculate mass of silver nitrate needed to prepare a solution of concentration 0.01 moles per liter.

    asked by Slim Shady
  192. geometry

    a hotel offers the following specials: plan a is two nights and one meal for $106. plan b is 2 nights and 4 meals for #130. what price is the hotel charging per night and per meal ??

    asked by bilal
  193. chemistry

    What substance is produced at the cathode during the electrolysis of molten calcium bromide, CaBr2? Assume standard conditions.

    asked by sam
  194. physics

    f a typical family of four uses electric energy at an average rate of 458 W, how many kWh would their electric bill be for one month? Answer in kW

    asked by Megan
  195. geometry

    a bank teller has a total of 124 bills in fives and tens. the total value of the money is $840. how many of each kind does he have?

    asked by bilal
  196. pre-algebra

    a sweater originally cost $37.50. Last week, Moesha bought it at 20% off.How much was deducted from the original price

    asked by samantha
  197. Science

    Choose three climate controls and decscribe how they affect the climate where you live....I live in NJ

    asked by Ki
  198. Geometry

    Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck

    asked by Kate
  199. math

    ASAP ASAP if my name is Frances 1.What fraction of the letters in my name are vowels? 2.what fraction of the letters in my name are consonants? 3.what fraction of the consonants in my name are made with only straight line segments? 4.what fraction of the

    asked by Frances
  200. Calc. Help Please.

    Find the value of the definite integral using sums, not antiderivatives: int= integral sign int((x + 2)/(x^(3/2)),x= 16..25)dx Please help... even just showing me how to get started would be greatly appreciated.

    asked by CM
  201. Geometry

    The legs of a right triangle are 5cm and 12 cm long. Find the lengths, to the nearest tenth, of the segments into which the bisector of the right angle divides the hypotenuse.

    asked by Billy

    Na2CO3 write the hydrolysis reaction for the salts. Dissociate the salt into cation and anion and ignore inert species

    asked by BUNNIE
  203. Physics

    Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

    asked by Diddy
  204. world history

    What are the position for nationalist revolutions for Britain, Prussia, Austria, France and Russia at the congress of troppau?

    asked by jainesh
  205. Math

    The following data represent what 18 people said when they were asked to estimate the crowd at a public gathering: 325 450 500 500 550 575 575 600 600 650 650 700 700 700 725 750 800 900 State the mean, mode, median Mean: 325+450+500+500+550+575+575+600+

    asked by William
  206. Science

    Thanks Ms. Sue for helping me with my question, but the problem I'm having is how the civeate controls affect where I live (NJ)

    asked by Ki
  207. Geometry

    Find the area of a circle circumscribed about a regular hexagon with an apothem of 5 inches. Round to the nearest tenth

    asked by Marjorie
  208. math

    find the sum of 9.98 and $15.00

    asked by nancy
  209. Chemistry

    In a standard hydrogen electrode, why does increasing the partial pressure of H2 gas reduce the standard potential (E) of the cell?

    asked by John
  210. Science

    Ms. Sue. I am studying latitude, elevation, nearby water, ocean currents, prevailing winds, topography and vegetation. Thank you so much

    asked by Ki
  211. math

    which fractions are larger, 5/6 or 10/12 6/12 or 4/6?

    asked by mla
  212. medical assisting

    imformation should include____________,_____________, and ________, procedures

    asked by nicholas
  213. statistics

    Start with x = 100 and add four x values to make a sample of five data such that: a. s = 0 b. 0 < s < 1 c. 5 < s < 10 d. 20 < s < 30

    asked by julie
  214. spelling

    ho do you spell completly

    asked by Anonymous
  215. chemistry

    Is it possible to produce a form of sodium ferrate using these components? FeCl3 NaOH NaOCl

    asked by Amber
  216. algebra

    use the Substitution Method. Please give it a try. y = 3x + 4 5x + 3y = 12 Why is the substitution method preferred in this case?

    asked by Maya
  217. math

    how would you solve.... 15x + 50 + x to the second power....

    asked by heather
  218. business math

    . Jason’s credit card’s beginning unpaid balance for August is $2,000. During the August billing cycle he made a payment of $200 and used card to purchase $50 worth of grocery. Credit card charges 24% annual percentage rate and uses the unpaid balance

    asked by kaplan university
  219. Science

    Why do all planets revolve around the sun?

    asked by Carissa
  220. Physics

    At what separation is the electrostatic force between a +11.5 \mu C point charge and a +29.2 \mu C point charge equal in magnitude to 1.90 N?

    asked by Lola
  221. business math

    1. Ling has received been approved for a Visa credit card with a $2000 credit limit, however he has not charged that much since opening the account. On April 24, he discovers a monthly statement from March that had accidentally slid down between his desk

    asked by kaplan university
  222. geometry

    I have a quadrilateral which is a rhombus and E is at the intersection and DE =2x+4 and DB=6X. How do I solve for x and DB?

    asked by shaelyn
  223. Biology 12

    Triaglyceride with three F.A.chains of 20 carbon how to calculate the ATP production Plz show the steps thank you

    asked by Tarkan
  224. Physics

    Two point charges, the first with a charge of +3.25×10−6 C and the second with a charge of -4.63×10−6 C , are separated by 25.5 cm. Find the magnitude of the electrostatic force experienced by the positive charge. Is the magnitude of the force

    asked by mink
  225. Finance

    Ngata Corp. issued 12-year bonds 2 years ago at a coupon rate of 8.4 percent. The bonds make semiannual payments. If these bonds currently sell for 105 percent of par value, what is the YTM?

    asked by Anonymous
  226. Calculus (pleas help!!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if

    asked by Catherine
  227. Chemistry

    you measure 5.3g of KOH and dissolve it in enough water to make 400 ml of solution. what is the molarity of this base? You want to neutralize this base with a 3.7M H2SO4. How much sulfuric acid is necessary to do this? x=5.3g/39+16+1 = 5.3/56=.095m

    asked by Jessica
  228. English

    I seen the help you gave other people and was wondering if you could help me idenify 5 adjectives and adverbs in my paragraph. St. Louis is considered to be Cardinals Nation. The St. Louis Cardinals are a professional baseball team based in St. Louis,

    asked by Jake
  229. Geography

    this body of freshwater in mexico is also home to marine life. I am confused... Only lake Baikal in Russia comes up.

    asked by Alyonka
  230. French

    I am trying to say "When one person has a loss, another could perhaps benefit." This is what I have: Quand une personne a une perte, une autre peut-etre pourrait profiter a la perte. Was I supposed to have used conditional? And do you notice any errors?

    asked by Brooke
  231. English

    Need to correct the verb if not correct and if correct just leave. Thanks for looking at this for me... 1. King Arthur LEARNED about the magic sword from Merlin the magician. ANSWER=correct 2. My older sister LEARNED me to read when I was in kindergarten.

    asked by Emily
  232. math

    i am greater than 15 and less than 40.if you double me, i become a number that ends in 0.1/5 of me is equal to 5.

    asked by dan
  233. accounting

    your firm, which is on accrual basis has a 100,000 mon-fri weekly payroll, and friday is payday. if the year ends on a Tuesday, what adjusting journal entry will you record??

    asked by Anjelica
  234. english

    Hi, i have to write a research paper on a topic related to may major, education (birth through five), can someone give me a good topic to write about? I'm new to this major so I don't have any ideas on what the the major topics are in this field, please

    asked by yfaridi1
  235. physics

    A game of darts involves throwing two darts at the board. Hitting a blue region with a dart scores 1 point; a red region, 2 points, a green region, 3 points, and the orange region, 5 points. Assume that no skill is involved. What is the probability, stated

    asked by nathon
  236. 4th grade math

    what does 12/15 - 7/15 equal,in simplest form?

    asked by megajolt
  237. grammar

    in classifying a sentences u underline the _______ parts once and the ________ parts twice? can someone please help my daughter

    asked by Makayla
  238. probability

    A game of darts involves throwing two darts at the board. Hitting a blue region with a dart scores 1 point; a red region, 2 points, a green region, 3 points, and the orange region, 5 points. Assume that no skill is involved. What is the probability, stated

    asked by nathon
  239. social studies

    Compare & Contrast the pros and cons of textbook social studies learning?

    asked by Quargenia
  240. psychology

    to formulate a general definition of emotion it will be most accurate to say that a.)emotions are feelings that have both pysiological and congnitive elements. b.) an emotion is a specific reaction to a preceived change in a situation. c.) emotion is a

    asked by alisha s
  241. Geography

    IN the US the river that forms the border between mexico and US is called the rio grande. What is it called in Mexico? Any idea?

    asked by Alyonka
  242. French

    I wrote "Bien que Rousseau etait apparemement..." And my teacher underlined bien que and drew an arrow to etait...what could he be referring to? And I wrote "Mais Rousseau pensait aussi que la nouvelle connaissance parce qu'il permettait..." My teacher

    asked by Brooke
  243. kbcc

    A car is initially traveling at 5 m/s when its begins its ascent up a 30 degree far up does the car travel before coming to rest

    asked by serge
  244. chemistry

    write the products of these combination reactions: K + O2 ---> Ca + S ---> F2 + Al --->

    asked by Nancy
  245. 4th grade math

    how can you put these numbers in order from least to greatest? 0.25;1/5;three-tenths

    asked by megajolt
  246. probability

    An octahedral die has eight faces numbered 1 to 8, each of which comes up with equal likelihood (you can see a picture of one in Diagram 3 of the Test 1 Supplement). Two such dice are rolled, and the product of the numbers is noted. In lowest terms, what

    asked by nathon
  247. Phar Science

    The following data were obtained for solutions of carboxymethylcellulose flowing through a capillary viscometer. Concentration (g/L) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.8 Time (s) 64.2 68.4 72.7 77.1 81.5 86.1 91.0 100.5 The Mark-Houwink-Sakurada parameters for

    asked by Sha
  248. psychology

    which statement about anorexia nervosa is ture? a.) sufferers are usually males between the age of 12 and 40. b.) people with the disorder may well be attractive and successfull. c.) anorexics almst never starve to death, although they may die from other

    asked by alisha s
  249. Phar Science

    A researcher in Urumqi drops a rhodium ball of diameter 4.20 mm through a dilute aqueous solution of a high molar mass natural gum contained within a glass tube which has four graduations marked 10 cm apart. It is 18 C in the laboratory and the ball takes

    asked by Sha
  250. Phar Science

    In a sedimentation experiment using a centrifuge rotating at 20,000 rpm at 25°C the position of the boundary between the settled phase and the supernatant for a protein was found to be at 6.153 cm at t = 300 s, 6.179 at 600 s, and 6.206 at 900 s. If D for

    asked by Sha
  251. Calculus (pleas help!!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if

    asked by Catherine
  252. Phar Science

    In a sedimentation experiment using a centrifuge rotating at 20,000 rpm at 25°C the position of the boundary between the settled phase and the supernatant for a protein was found to be at 6.153 cm at t = 300 s, 6.179 at 600 s, and 6.206 at 900 s. If D for

    asked by Sha
  253. Radians

    The angular speed of a large pulley wheel that has a radius of 15, is 50 revolutions/min. Find the angular speed and the rim speed of the smaller wheel that has a radius of 5. The rim speed is going to be the same. I got the angular speed but I can't

    asked by Jessica
  254. Chemistry

    What volume does a mixture of 14.2 g of He and 21.6 g of H2 occupy at 28 degrees celcius and 0.985 atm?

    asked by Joe Schmo
  255. english

    Could you please help me locate the adjectives and adverbs in the below paragraph? St. Louis is most often considered to be Cardinals Nation. The greatest day in St. Louis is opening day of baseball. The St. Louis Cardinals are a professional baseball team

    asked by Jake
  256. Math

    what's the mode, median, and range for this numbers (23,15,65,23,43)

    asked by Anonymous
  257. Math (please please please help!)

    Solve for x: 2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the part after you FOIL, and then I get stuck

    asked by Rosie
  258. 3rd math

    I need help placing in order from least to greatest. Is this right. I don't know which is the least. 27 cups = there is 8 oz in 1 cup (27x8 is 216 oz 2 gallons = there is 16 cups in a gallon (16x2) 9 quarts= there is 4 cups in 1 qt (9x4)

    asked by Leigha
  259. math

    What is the probability that an individual will be in a state facility and whose legal satisfaction value is 5 or more?

    asked by Tonya
  260. physics

    A Hall-effect probe operates with a 120 -mA current. When the probe is placed in a uniform magnetic field of magnitude 0.0840 T, it produces a Hall voltage of 0.660 µV. When it is used to measure an unknown magnetic field, the Hall voltage is 0.360 µV.

    asked by Rachel
  261. Technology

    Assume that a movie is two hours long, that the frame rate is 30 frames per second, and that the resolution per frame is 1080i (1920x1090 pixels per frame), and that each pixel is represented by three colors (Red, Green, Blue) where each color is described

    asked by Carissa
  262. statistics

    10. A random sample of n=36 scores is selected from a normal distribution with a mean of u=60. After a treatment is administered to the individuals in the sample, the sample mean is found to be M=52.

    asked by Anonymous
  263. Biology HELP

    Triaglyceride with three F.A.chains of 20 carbon how to calculate the ATP production Plz show the steps thank you

    asked by Tarkan
  264. algebra

    Create an equation of a nonlinear function and provide two inputs

    asked by anon
  265. geography

    how many centuries has gold been mined in mexico?

    asked by Alyonka
  266. maths


    asked by ann
  267. physics

    An accelerating voltage of 2.46 * 10^3 V is applied to an electron gun, producing a beam of electrons originally traveling horizontally north in vacuum toward the center of a viewing screen 34.0 cm away. What is the magnitude of the deflection on the

    asked by Rachel
  268. chem

    What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate? (: Begin by writing a balanced equation for the reaction between aqueous sodium bicarbonate and aqueous hydrochloric acid.)

    asked by stephen
  269. general

    From a standard deck of 52 cards, all of the clubs and the jack of diamonds are removed. Two cards are drawn at random from the altered deck without replacement. What is the probability that both cards will be of the same suit? Justify your answer, which

    asked by nathon
  270. graphs of sin

    find an equation of the form y = c+a sin(bx) with the max of 2,min of -2, and period of 3. So far i've got 2sin___ . I don't know how to find the period.

    asked by Jessica
  271. Algebra 1

    What is 1/9+1/y=4/y

    asked by Grace
  272. Physics

    1)How much work is done by a person lifting a 2 kg object from the bottom of a well at a constant speed of 2m/s for 5 s. Is the answer mgh=2*9.8*10m 2)A 2kg block slides on a rough horizontal surface. A force (magnitude = 4N) acting parallel to the surface

    asked by Fiona
  273. English

    I don't really know where to begin with this paragraph. My instructions are to type and revise the following paragraphs so that they’re easy to read as a presentation. Use simple sentence structure. Use correct placement of old and new information. Human

    asked by Danielle
  274. English

    1. You (passed, past) the boat launch a few miles back. 2. The bus drove (passed, past) the bus stop without stopping. 1. passed 2. past

    asked by Hayley
  275. Geometry

    A bank teller has a total of 124 bills in fives and tens. The total value of the money is $840. How many of each kind does he have?

    asked by jeniffer
  276. English

    1. I (past, passed) the library on my way to the grocery store. 1. past

    asked by Hayley
  277. math

    If a polyhedron has one side that is a triangle what would be the other sides measurements?

    asked by Kailey
  278. math

    at the fair, 3/4 of the students wanted to see the space shuttle exhibit,but only 2/9 of theses students wrote down the address to get more nformation. what fraction of the students got the address?

    asked by sasha
  279. Pre Algebra

    What is the function rule when the input is 0,1.2.3 and the output is 5,4,3,2?

    asked by Colleen
  280. Calculus (pleas help!!!)

    Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B)

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  281. math

    at the animal show 3/4 liked the dogs best. 2/6 of them like the great dane the best.what fraction liked the great dane the best?

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  282. math


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  283. physics

    Calculate the frequency in hertz, wavelength in nm, and the velocity in m/s of light inside a material with a refractive index of 1.39. In vacuum, the light has a wavelength of 514.5nm

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  284. Chemistry

    A chemist wants to extract the gold from 15.0g of gold(II) chloride dihydrate, AuCl3 • 2H20, What mass of gold could be obtained from this sample?

    asked by Anonymous
  285. Algebra

    Is this simplified? 6a2 + 4a2b - 4ab - 3b *The 2's are exponents

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  286. physics

    n object is dropped from rest from a height 5.8 × 106 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth? The acceleration of gravity is 9.81 m/s2 and the radius of the Earth is 6.37 × 106 m.

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  287. math

    thanks so much ms sue!!!!!!!!!

    asked by hailey
  288. Calculus (pleas help!!!)

    Find the absolute maximum and absolute minimum values of the function f(x)=(x−2)(x−5)^3+11 on each of the indicated intervals. Enter -1000 for any absolute extrema that does not exist. (A) Interval = [1,4] Absolute maximum = Absolute minimum = (B)

    asked by Cady
  289. Chemistry

    What's the molar mass of AuCl3 x 2H20?

    asked by Anonymous
  290. Chemistry

    A chemist wants to extract the gold from 15.0g of gold(II) chloride dihydrate, AuCl3 x 2H20, What mass of gold could be obtained from this sample? Also how would you find the molar mass of of 2H20 with the coefficient 2 in front?

    asked by Anonymous