Questions Asked on
October 9, 2011

  1. Physics

    An airplane flies 137 km due west from city A to city B and then 412 km in the direction of 46.5◦ north of west from city B to city C. What is the distance between city A and city C? Relative to city A, in what direction is city C? Answer with respect

    asked by Louis
  2. Chem

    A lake may be polluted with Pb2+ ions. what precipitation reaction might you use to test for the presense of Pb2+?

    asked by Josh
  3. College Algebra

    Let g(x) = 17x3 - 3x2 + 14x. Find the sum of all of the coefficients of g(x).

    asked by brianna mattson
  4. College Algebra

    let g(x) = 17x3 - 3x2 + 14x. What is the degree of this polynomial function?

    asked by brianna mattson
  5. Physics

    A truck travels beneath an airplane that is moving 120 km/h at an angle of 24◦ to the ground. How fast must the truck travel to stay beneath the airplane?

    asked by Louis
  6. Physics

    A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 35.4 m/s. At the same time, it has a horizontal velocity of 57.2 m/s. At what speed does the vehicle move along its descent path? At what angle with the

    asked by Louis
  7. Problem Solving

    John bought a shirt on sale for 25% off the original price and another 25 % off the discounted price. If the final price was $16, what was the price before the first discount?

    asked by Cris
  8. liberal arts math 1

    Five hundred raffle tickets were sold for $2 each. A prize of $400 is to be awarded. If you buy one ticket, determine the expected value. What is the fair price for a ticket?

    asked by Caren
  9. Problem Solving

    During a storewide sale, a TV which usually sells for $450 is on sale for $360. A Stereo which usually sells for $600 is on sale for $480. What would be the sale price of a VCR which usually sells for $500?

    asked by Cris
  10. College Algebra

    Let g(x) = (x - 1)5(x + 1)6(x - 2)7. What is the multiplicity of the zero x = 1?

    asked by brianna mattson
  11. chemistry

    A quantity of electrical charge that brings about the deposition of 4.5 g Al from Al3+ at a cathode will also produce what volume (STP) of H2(g) from H+ at a cathode? I know there are 3 e- difference b/w the two reactions. I took 4.5 g/3 and get 1.5 g H2.

    asked by Holly
  12. College Algebra...multiplicity

    Let g(x) = (x - 1)5(x + 1)6(x - 2)7. What is the multiplicity of the zero x = 1?

    asked by brianna mattson
  13. PHYSICS PLEASE HELP !!!!!

    If a mass lies on an incline, what is the reaction force to the weight of the mass?

    asked by Anonymous
  14. Stats

    Each of 2 players, independently, play a game 5 times, with each game having probability of success 0.40. What is the standard deviation of the sum of the games they win

    asked by Jay
  15. swagger

    How did geography affect the trade patterns of Africa and Asia during the period of time covered in the chapter?

    asked by buck
  16. statistics

    Can any help me how to solve below problem.? I am student and learning OC curve and double sampling plan. Can you someone help me how to understand this concept? A shipment of 1000 items is to be inspected on a sampling basis. The producer and the consumer

    asked by saran
  17. statistics

    is the mean or median a better estimate for the parameter of interest?

    asked by Anonymous
  18. english

    I'm having trouble determining which is the correct punctuation of the sentence: The Dutch master Rembrandt is famous for his self-portrait. I think a comma should be after master and Rembrandt like this- The Dutch master, Rembrandt, is famous for his

    asked by ron
  19. physics

    The systems shown below are in equilibrium (with m = 3.60 kg and θ = 33.0°). If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless

    asked by Anonymous
  20. Math

    Kosuke wrote a mathematics contest consistingof 25 multiple choice questions, the scoring system gave 6 points for a correct answer, 2 points for not answering, and 1 point for an incorrect answer.Kosuke got x correct and left y unanswered questions a)

    asked by Nancy
  21. math

    a cylinder with a top and bottom has a radius 2x+1 and height 2x-1 . Write a simplifed expression for its a) surface area, SA= 2pie^2 + 2pierh b) volume, where V=pier^2h

    asked by Heather
  22. Math

    two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h

    asked by Lacey
  23. math

    1 hole number 1 over 8 minus 3 over 4 plus 1 over 2

    asked by Apfe
  24. physics

    vector (V1) is 6.3 units long and points along the negative (X) axis. Vector(V2) is 9.0 units long and points at 55 degree to the positive (X)axis. 1- What are the (X) and (Y) components of (V1) vector ? 2-What are the (X) and (Y) components of(V2) vector

    asked by july
  25. Chemistry

    what element behaves as tghe oxidizing agent in the following equation and what element behaves as the reducing agent? sn2+ + 2Ag------> sn + 2 Ag+

    asked by Anonymous
  26. English Please help

    i have an essay and ive been researching the topic like for freaking ever and i havent been able to fine anything "scholarly" through collins(my college's) libraries searching databases do you know any scholarly websites..?? Like literally ive been

    asked by Jessica
  27. MATH

    WHAT ARE A FEW EXAMPLES OF A TRIANGULAR SEQUENCE PATTERN IN REAL LIFE? PLEASE ANSWER AS SOON AS POSSIBLE!

    asked by Howler
  28. Physics

    Find the magnitude of vector A represented by Ax=-8.90 cm , Ay=1.60 cm

    asked by Rawan
  29. Chemistry

    Can you check if this is correct please: Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure if Magnesium or Manganese should be at the top) - Manganese - Zinc - Copper Reactivity order for these acids (top being most

    asked by Franky
  30. algebra

    why is this a poor model for hitting a baseball? y = -0.002x^2 + 0.879x + 3.981 I know it gets hit at approx. 4 feet high. The -a gives the right shape like a hill. There's a -4.48 and 443.95 zero, which can be hit for distance. The max is (219.75, 100) so

    asked by Jennifer
  31. algebra Please Help

    New question: A baseball was 2.74 feet above ground when it was hit. It reached a max. height of 116.3ft when it was approx 215.3 ft away from where he hit the ball. The ball lands after travelling a ground distance of approx 433.1 ft. Find an equation of

    asked by Jennifer
  32. Technology

    Can you give three examples of bad print media advertisement? Can you give me the link for the bad advertisement?

    asked by Kevin
  33. Application problem

    A wheelbarrow maker uses handles made of hardwood. Find the amount of hardwood necessary to make 182 handles. The handle length is 61 1/2 inches.

    asked by Alex L.
  34. algebra - reply to answer

    why is this a poor model for hitting a baseball? y = -0.002x^2 + 0.879x + 3.981 I know it gets hit at approx. 4 feet high. The -a gives the right shape like a hill. There's a -4.48 and 443.95 zero, which can be hit for distance. The max is (219.75, 100) so

    asked by Jennifer
  35. physics

    What minimum force F must be exerted on the 4.1 kg cart in order for the 0.4 kg block not to fall? |--------| F |--------||-.4-| ------>|---4.1--| |--------| |--------| u=.49 between 4.1kg and .4 kg block

    asked by John
  36. English, Critical Thinking

    PLEASE HELP. I have this essay due tomorrow. I need help with the following: I have to critique the following article and write an essay. But first I need help identifyine Fallacies and the Types of evidence present. Then state whether or not his arguement

    asked by Kate
  37. English, Critical Thinking Part 2

    This is regarding the same article by Stiglitz. Define and discuss the term "ideology" as related to the article. Explain the ideology in the article.

    asked by Kate
  38. Ap Chem

    Why is it possible for Kp to be less than Kc? If this is the case then when Kc>1 it favors products, but if Kp

    asked by Jane
  39. Technology

    What is some of the science behind advertising? How do I convey my message while adhering to proper advertising standards? What are these standards? How do I target my audience

    asked by Steve
  40. general chem

    Determine the oxidation number for the indicated element in each of the following compounds: (a) Co in LiCoO2, (b) Al in NaAlH4, (c) C in CH3OH (methanol), (d) N in GaN, (e) Cl in HClO2, (f) Cr in BaCrO4.

    asked by rob
  41. general chem

    Using the activity series (Table 4.5), write balanced chemical equations for the following reactions. If no reaction occurs, simply write NR. (a) Nickel metal is added to a solution of copper (II) nitrate; (b) a solution of zinc nitrate is added to a

    asked by rob
  42. Ap Chem

    Why is it possible for Kp to be less than Kc? If this is the case then when Kc>1 it favors products, but if Kp

    asked by Jane
  43. general chem

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed

    asked by rob
  44. general chem

    Calculate the molarity of a solution made by dissolving 12.5 grams of Na2CrO4 in enough water to form exactly 550 mL of solution. (b) How many moles of KBr are present in 150 mL of a 0.275 M solution? (c) How many milliters of 6.1 M HCl solution are needed

    asked by rob
  45. Spanish

    We are working withdirect object pronouns and we had to answer these questions with the use of the direct object pronoun.It's a conversation between two people-one asking-one answering Are they correct? I'm really not sure- 1. First person: ¿Practicas la

    asked by James C.
  46. CJ

    Identify the components of the diversionary program and initiatives within the NCJRS, women and girls in prison

    asked by Kay
  47. Economics

    This is about economic solution.There are 2 regions but they were given by different each other function of demand and supply.1.First question is we won't sell these products on both regions and you can't transport the product each other.So please find the

    asked by Bayarbold
  48. Chemistry

    An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank

    asked by Mom
  49. Spanish

    I have to compare two activites-like one is more interesting, or more fun, etc; Did I do it correctly-thank you for checking this- Tocar la piano es más divertido que tocar la guitarra. Montar a caballo es más interesante que caminar el gato. Cantar es

    asked by Isabelle
  50. Chemistry

    An aqueous solution of copper (I) chloride is 15.7% by mass copper (I) chloride. Copper (I) is 35.8% by mass chlorine. If the solution has a density of 1.045 g/cm³, how many gallons of solution contain 2.3 kg of copper? Trying to help my son study. Thank

    asked by Mom
  51. physical

    What is the traverling ball in Hanbball

    asked by Anonymous
  52. math

    state the following property: 5 (3+20) = 15 + 100

    asked by Sky
  53. physics

    If a bug traveled a distance of 180 meters at a speed of 15 m/s, what was the time?

    asked by Anonymous
  54. calculus

    find the derivative of (x^2+1) 3rd root of x^2+2

    asked by vicki
  55. chemistry 2

    the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of iron in grams that can bbe obtained from 454g (1.00 lb) of iron (III) oxide? AND what mass of CO is required to react with the

    asked by cheryl
  56. English

    I'd like you to explain to me the use of the gerund in the following two sentences.I included other sentences I'm not sure of. 1) One day, Prospero's frieds are having a party. They only stop when the pendulum is striking the hour. 2 The protagonist is

    asked by Henry2
  57. college chem

    sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C -> Na2S +4CO(g) so suppose you mix 15(g) of Na2SO4 and 7.5g of C. which is the limiting reactant AND what is mass of Na2S that is produced?

    asked by cheryl
  58. Chemistry

    Can you check if this is correct please: Reactivity order for these metals (top being most reactive): - Magnesium (I'm not sure if Magnesium or Manganese should be at the top) - Manganese - Zinc - Copper Reactivity order for these acids (top being most

    asked by Franky
  59. math

    I have fraction 39/13 I have to write three fractions that are equal to I calculated 1 1/3 3/1 3 would this be correct?

    asked by kori
  60. science

    We were having a discussion while watching the weather channel. If portions of Oklahoma have temperatures from the 30's to the 50's and another portion of oklahoma had temperatures upper 70's and 80's and finally another section of Oklahoma low 60's to

    asked by tgsd
  61. Science

    why can't you use Carbon to extract Aluminium? and How do you extract Aluminium using elecrolysis?

    asked by Hana
  62. Criminal Justice

    Compare and contrast state and local programs as they contribute to successful reintegration and transition services for women in the criminal justice system

    asked by Kay
  63. physics

    Vector is 6.0 units long and points along the negative axis. Vector is 8.5 units long and points at 40 to the positive axis

    asked by mohammed
  64. physics

    an electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350 N amd the box accelerates at 1.2 m/s^2 [forward] for 5 seconds. the cable breaks and the box slows down and stops. calculate the coefficient

    asked by marr
  65. Physics

    an electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350 N amd the box accelerates at 1.2 m/s^2 [forward] for 5 seconds. the cable breaks and the box slows down and stops. calculate the coefficient

    asked by marr
  66. ELA

    How can you use peer work during the personal narrative unit to better understand yourself as a writer, others in your community and the world around you?

    asked by Sumaiya
  67. Physics

    A string is tied to a 4.4 kg block and a 120 g hanging bucket. students add 20 g washers one at a time to the bucket. the students are unaware that the coefficient of static friction for the block on the table is 0.42. What is the maximum force of static

    asked by Luis
  68. chemistry

    Okay so I did this problem, but it seems wrong? I put the answers I got... Determine the pH of the following tiration at each of the points indicated. A 71.7 mL solution of 0.182 M NaOH is titrated with 0.2086 M HCL. 1.) initial pH= is it 7.86 or 8.51? 2.)

    asked by help meeee pleaaseee
  69. math

    Ture or false questions: Your teacher gives a true-false pop quiz with 10 questions. Show that the number of possible outcomes for the sample space of possible sequences of 10 answers is 1024. I got false and the number is 182 but don't think I have the

    asked by mary
  70. physics

    A bicyclist of mass 60 (including the bicycle) can coast down a 9.0 hill at a steady speed of because of air resistance. Part A How much force must be applied to climb the hill at the same speed and same air resistance?

    asked by Diamond
  71. physics

    Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 west of north, and the resultant of these two pulls is 430.0 directly northward.

    asked by moneera
  72. statistics

    Suppose that contamination particle size in micrometers can be modeled as f(x) = 2x−3 for 1 < x. a. Show that f(x) is a probability density function. b. Find the mean X.

    asked by latha
  73. Finance

    Bill Seeker bought a boat costing $8500 with $1500 down, the balance plus add-on interest to be paid in 36 monthly installments. If the add-on interest rate was 18% find A. the total interest charged. b. the monthly payment, to the nearest dollar

    asked by Brian
  74. Statistics

    Calculate the mean and standard deviation of the probability distribution created by rolling a dice. Either show work or explain how your answer was calculated.

    asked by Peter
  75. Penn Foster

    It's important to include references in your research paper because references

    asked by meny
  76. arithmetic

    the sum of irst and the fourthterm of a linear squence is10 and the sum of its thired and seventh term is 20.find the common difference and the first term

    asked by Anonymous
  77. VBA Microsoft Excel

    I have been on this problem for about 3 hours and I cannot solve it. My professor wanted us to make a command button with 3 input boxes ( I was able to do this part), but I'm suppose to design a boolean and select case that makes sure that a 5 digit number

    asked by Angel
  78. chemistry

    Indicate the approximate of pH of a buffer made from equal concentrations of each of these pairs C6H5C00H/C6H5C00 H3B03/H2B03

    asked by dude of pluto
  79. physics

    A rolling ball moves from x1 = 3.2 cm to x2 = -4.4 cm during the time from t1 = 3.4 sec to t2 = 6.2 sec. What is its average velocity?

    asked by celine
  80. physicsssss

    You are driving home from school steadily at 95 km/h for 130 km. It then begins to rain and you slow to 60 km/h. You arrive home after driving 3 hours and 40 minutes. 1-How far is your hometown from school? 2-What was your average speed?

    asked by marline
  81. English

    I forgot to include the following situation (an exercise on phrasal verbs). Thank you very much. 1) First, Betty tells her husband Fred that Martin, her husband’s friend, saw him cheating on her with another woman. 2) Fred begs her not to listen to

    asked by Henry2
  82. Bob Pursley

    Bob: Thank you for answering my Chemistry question. I apologize that it was on there twice. I accidentally posted again the same question instead of a different question. You answered the first question with precision. Thank you

    asked by Mom
  83. geometry

    Ray Hf bisects with angle Ehg.. Which conclusion is not valid a. E,F and G are coplanar b. angle EHF is congruent with angle FHG c. Line Eh is congruent to line HG d. m/Ehf is congruent to m/FHG

    asked by Jocelyn
  84. science

    Sam weighs 720 N on earth and 120 N on the moon. What does this tell you about the value of gravity on the moon?

    asked by lauren
  85. History

    The entrance to many Egyptian tombs was inscribed with a cource of warning,designed to protect the tomb from raiders who might want to steal the treasures,within.What would you write to warn off tomb raiders?

    asked by kina
  86. Chemistry

    Write the net ionic equation for the reaction that occurs when aqueous solutions of barium hydroxide and hydrobromic acid are combined. I know that the first part of the formula would be BaOH + HBr but I do not know what the product would be since HBr is

    asked by Hannah
  87. Chemistry

    A homogenous mixture of metals is called an alloy. An alloy is found to be 30% by volume gold with the rest being aluminum. Aluminum has a density of 2.70 g/cm³. Gold has a density of 13.1 g/cm³. If a piece of alloy contains 3.70 lbs. of gold, how many

    asked by Mom
  88. Chemistry

    A piece of metal alloy (a solution of metals) is made of gold and silver. It is 20% by mass silver. An irregularly shaped piece of this alloy contains 0.356 lb of gold. When the alloy is added to a graduated cylinder that contains 31.55 mL of alcohol, the

    asked by Mom
  89. English

    I am writing this essay about Shirley Jackson's "The lottery" My essay is supposed to be about i think i want to talk about stoning in south africa( how long it lasted, if it still takes place, was it for punishment or for no reason) and the second body

    asked by Jessica
  90. Math

    How do you work 5y ____ 3y+6 It is in fraction form and it just got me stuck,,,please help!!!!! :(

    asked by Mo
  91. physics

    how high a building can superman jump over if he is to leave the ground with a velocity of 60 m/s at an angle of 75 degrees

    asked by Anonymous
  92. CHEMISTRY

    Why must an organic layer be washed with NaOH?

    asked by Ashley
  93. calculus

    find the derivative of y=cos pix/sinpix+cospix

    asked by vicki
  94. Chemistry

    How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water?

    asked by mary
  95. physics

    space rocket travelling at 20 ms-1 accelerates at 5ms-2 for 2 seconds. how far does the rocket travel during these two seconds?

    asked by jim
  96. math

    factor 50x^2-72

    asked by ariel
  97. Math

    It says to multiply. 2y and 14x^5y ___ ______ 7x^2 y^5

    asked by Meg
  98. algebra 2

    i need help with these questions simplify √4x^2/y^3 √2x^4/72 √18+√32 √31(√3+√27)

    asked by jen
  99. Chemisrty

    How many milliliters of a 2.0M NaOH solution are needed to neutralize 20.0 ml of a 2.5M CH3COOH solution? How do I begin to figure this out?

    asked by Shelly
  100. Physics

    Light is incident on a glass-air interface from the glass side (n=1.5), and researchers want to use the evanescent field on the air side (n=1.0) to excite the molecules adhered to the surface. It is desired that the evanescent field extend a distance δ =

    asked by Vanda
  101. algebra 2

    simplify 1/√-9 -1/3+i

    asked by lolita
  102. statistics

    The deli special lunch offers a choice of three different sandwiches, four kinds of salads, and five different desserts. Use the multiplication rule of counting to determine the number of different lunches that can be ordered using the deli special lunch

    asked by Brandon
  103. AP Chem

    When 0.076 moles of lead(II) nitrate are dis- solved in enough water to make 670 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M

    asked by Lutesia
  104. calculus

    if F(x)=f(xf(xf(x))), where f(1)=2, f(2)=3, f'(1)=4, f'(2)=5, and f'(3)=6, find F'(1).

    asked by vicki
  105. psychology

    Cannon-Bard view emotion as more than a response to physiological arousal. They suggest that... 1) the hippocampus and the spinal nerve produce emotion 2) both the cortex and the autonomic nervous system respond to the stimulus 3) emotion is the work of

    asked by vedrana
  106. Chemistry

    A thief uses a bag of sand to replace a gold statue that sits on a weight sensitive alarmed pedestal. The bag of sand and the statue have exactly the same volume 1.75 L. Assume that the mass of the bag is negligible. A) calculate the mass. ( density of

    asked by Monique
  107. Statistics

    7. Give and interpret the 95% confidence interval for the hours of sleep a student gets.

    asked by Amber
  108. Biology-9th grade

    I'm not sure how to answer one of my homework questions. Is one function of the alveoli to filter out dirt and pollen before it reaches the lung and why or why not. I don't think it is because the alveoli are used to oxgenate the blood, correct. I don't

    asked by Sidney
  109. Math

    I don't know how to solve this math problem? A call center is 120 yd. long and 40 yd. wide. Each employee requires 30 sq. ft. if the center needs to have 40% of open space, how many employees can be seated in the center?

    asked by Paula
  110. Economics M/C

    The market in which the assumption of continuous market clearing seems to be LEAST applicable is the: a. stock market b. market for wheat. c. labour market d. market for federal government bonds

    asked by Anonymous
  111. Algebra

    What is 18 over 52 as a decimal rounded to the nearest thousandth

    asked by Aaron
  112. chemistry

    The voltaic cell: Pt, H2(g, 1 atm), H+(xM),,H+ (1M), H2(g, 1 atm), Pt registers an Ecell=+0.108 V. What is the pH of the soln? I know that E*cell=0 for this. I was not sure if i place the [xM] on the top of the equation or the bottom of

    asked by Holly
  113. chemistry

    how many millimeters of a 2.0M NaOH solution are needed to neutralize 20.0ml of a 2.5M CH3COOH solution? How do I figure this out?

    asked by Anonymous
  114. World History

    Of the four river valleys that supported major early civilizations, which one lost one of it's major rivers? A. Yellow River B. Mesopotamia C. Egypt D. Indus Valley

    asked by Angel
  115. Fibonacci numbers

    I have been working on this question all day and can not figure out what to do. The question says according to the Quadratic Formula, the solutions of x^2-x-1=0 I know the positive solution is the golden rule ratio and the negative solution is the

    asked by Jennifer
  116. Calculus

    Find the indicated limits. If the limit does not exist, so state, or use the symbol + ∞ or - ∞. f(x) = { 2 - x if x ≤ 3 { -1 + 3x - x^2 if x > 3 a) lim 3+ f(x) x->3 b) lim 3- f(x) x->3 c) lim f(x) x->3 d) lim ∞ f(x) x->3 e) lim -∞ f(x) x->3

    asked by Chris
  117. Math

    four times the difference or two posotive integer numbers is equal to half the sum of the numbers. If one of the numbers is 14, what is the other number? I just cant get this can anyone help me?

    asked by Paula
  118. calculus

    lim (9x^4+2x+1)^1/2/(3x^2+1) as x->-infinity

    asked by Ali
  119. Stats

    A random sample of dates taken from headstones at a cemetery in Pleasanton, California, showed an average lifespan of 70 years with a standard deviation of 20 years. Assuming the distribution is unimodal, which of the following is most likely a good

    asked by Anonymous
  120. Statistics

    A random sample of dates taken from headstones at a cemetery in Pleasanton, California, showed an average lifespan of 70 years with a standard deviation of 20 years. Assuming the distribution is unimodal, which of the following is most likely a good

    asked by Anonymous
  121. Statistics

    For the overall population, the IQ scores follow the normal distribution with mean equal to 100 and variance equal to 225. What is the best answer? A. If you pick a person at random, the chance that his IQ falls between 100 to 115 is more than the chance

    asked by Anonymous
  122. MATH

    A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.

    asked by Jen
  123. physics

    If you drop an object, it will accelerate down- ward at a rate of g = 9.8 m/s2. If you throw it downward instead, its accel- eration (in the absence of air resistance) will be

    asked by Anonymous
  124. owning and operating a car.

    A person who is the business of selling cars is called a: A.Salesperson B.dealer C.mechanic D.lender i got B

    asked by ciara
  125. English

    I urgently need you to check this paragraph.I'm unsure about the use of phrasal verbs. Thank you. 1) Maggie and Fred met each other at a wedding party and hit it off immediately. 2) Maggie fell head over heels for Fred. He, in his turn, fitted in very well

    asked by Henry2
  126. Chemistry

    Write the balanced equation for: Magnesium nitride + water -> magnesium hydroxide + ammonia MgNO2 + H2O -> MgOH + NH3 Is this correct?

    asked by Hannah
  127. World History

    What major problem did the Roman Empire face in the mid to late Fourth Century? A. Immigration and invasion B. Lack of Education within the empire C. Weak leadership D. Poor infrastructure

    asked by Angel
  128. chemistry

    How does Le Chatelier's principle explain the result you obtained when you added HCL to a suspension of Ca(OH)2 in water? Where the result was, precipiatate dissappeared and an increase in temperature resulted.

    asked by mary
  129. physics

    Two blocks with mass m1 = 7.2 and m2 = 7.7 are connected by a massless string over a frictionless and massless pulley. The angle of the incline is equal to 45.0. The kinetic coefficient of friction between m1 and the incline is 0.22. What is the minimum

    asked by Jessica
  130. Math

    A road has an incline of 10°. To the nearest foot, find the increase in altitude of a car after driving 4,000 feet along the road.

    asked by Mikee
  131. math

    Keno is a casino game in which the player has a card with the numbers 1 through 80 on it. The player selects a set of k numbers from the card, where k can range from one to fifteen. The "caller" announces twenty winning numbers, chosen at random from the

    asked by M
  132. Science Lab

    Ok I finish it today do yo think it's good. 1. First, Maria and her best friend Lexi are going to leave home at the same time & same place to go to school. 2. Next, Maria will go on the bus while Lexi is walking to school 3. Then, the girls will be doing

    asked by Laruen
  133. math

    Urn I and urn II each have two red chips and two white chips. Two chips are drawn simultaneously form each urn. Let X1 be the number of red chips in the first sample and X2 the number of red chips in the second sample. Find the pdf of X1+X2.

    asked by Pat
  134. Electric Fields

    In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 151 N/C downward at an altitude of 280 m and 167 N/C downward at an altitude of 430 m. Calculate the volume charge density of the atmosphere,

    asked by Phil
  135. Chemistry

    A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?

    asked by anonymous
  136. physics

    A man is pulling on a rope with a force of 63 n directed at an angle of 61 degree to the horizontal. What is the x-component of the force? answer in units n

    asked by mikael
  137. trig

    a tower standing on level ground is due north of piont N and due west of point W, a distance 1,500 feet from N. If the angles of elevation of the top of the tower as measured from N and W are 8 and 11, respectively, find the height of the tower.

    asked by courtney
  138. physics

    Problem 25.49 A 1.40-m-diameter MRI solenoid with a length of 2.80 m has a magnetic field of 2.50 T along its axis. Part A - If the current is turned off in a time of 1.2 s, what is the emf in one turn of the solenoid's windings? Express your answer using

    asked by Paige
  139. chemistry

    A solution of ammonia and water contains 2.70×1025 water molecules and 7.60×1024 ammonia molecules. How many total hydrogen atoms are in this solution?

    asked by Anonymous
  140. physics

    a man weighs 573 n on earth. what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power.

    asked by mikael
  141. geometry

    if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc

    asked by Anonymous
  142. Burnett

    Write balanced molecular and net ionic equations for the reaction of KHP with NaOH.

    asked by Mariah
  143. owning and operating a car

    Which one of the following would be considered a fixed cost of operating a motor vehicle? A.Insurance premiums B.Gasoline C.Tune ups D.New tires i got B

    asked by ciara
  144. Physics

    An infinitely long line charge of uniform linear charge density λ = -3.00 µC/m lies parallel to the y axis at x = -2.00 m. A point charge of 4.70 µC is located at x = 1.50 m, y = 2.50 m. Find the electric field at x = 2.50 m, y = 2.00 m. I get 23.7

    asked by Paul
  145. algebra

    How do you solve a problem such as:-6m

    asked by Shanyka
  146. MATH

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

    asked by Jen
  147. physics

    Problem 25.52 A 100-turn, 2.0-cm-diameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two

    asked by Paige
  148. physics

    Problem 25.52 A 100-turn, 2.0-cm-diameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two

    asked by Paige
  149. physics

    Problem 25.52 A 100-turn, 2.0-cm-diameter coil is at rest in a horizontal plane. A uniform magnetic field 60 degrees away from vertical increases from 0.50 T to 1.50 T in 0.60 Part A What is the induced emf in the coil? Express your answer using two

    asked by Paige
  150. MATH

    Construct a frequency distribution table to organize the following set of data: 16 23 24 23 24 20 15 16 21 15 16 19 17 15 23 16 18 19 20 19

    asked by Jen
  151. ciencias

    que planetas tndrian esas mismas manifestaciones

    asked by david
  152. geometry

    if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc

    asked by Anonymous
  153. chem

    how to say 2M K2C2O4 in english is it 2 molarity of potassium oxalate?

    asked by nessa
  154. English

    I made a few changes to a summary you have already checked. I would like to know if everything is correct. Thank you. 1) Prince Prospero decides to shut himself with his friends in his castle, whic ias a big magnificent structure with strong walls and iron

    asked by Henry2
  155. Physics

    In a particular region of Earth's atmosphere, the electric field above Earth's surface has been measured to be 151 N/C downward at an altitude of 280 m and 167 N/C downward at an altitude of 430 m. Calculate the volume charge density of the atmosphere,

    asked by Tom
  156. Math-Ms. Sue or Bob

    Can either one of you help me with the math problems I asked? I really need help and do not understand how I would calculate the sample statistic and parameter population....

    asked by Jen
  157. math

    Dave pays two-fifth of his salary for rent, 16% of the salary for grocery and one-fourth of the salary for travel. He saves the remaining $1,368. How much does he earn? Can anybody help me?

    asked by Paula
  158. calculus

    derivative of θtanθ secθ

    asked by bryce
  159. math

    what is 2 ÷ 1/2?

    asked by Kate
  160. Math

    One way to write 99 using four nines is (9x9) + (9+9). Now write 100 using four nines.

    asked by Blanca
  161. chemistry

    A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?

    asked by anonymous
  162. English

    I'm posting you a paragraph I wrote containing phrasal verbs. This is more urgent than the previous one. Thank you. 1) My friend looked very upset so I thought she needed to brighten up. I invited her to the cinema and she accepted. I thought popcorns

    asked by Henry2
  163. Simple math question !!

    The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!

    asked by Anonymous
  164. physics

    Each of 108 identical blocks sitting on a frictionless surface is connected to the next block by a massless string. The first block is pulled with a force of 108N. Part A. What is the tension in the string connecting block 108 to block 107? Part B. What is

    asked by Josh
  165. Math

    A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

    asked by Micka
  166. Math

    Jessica can jog to work in 4/5 of an hour. When she rides her bike, it takes her 3/10 of an hour. If she rides 10 miles per hour faster than she jogs, how far away is her work?

    asked by Lisana
  167. owning

    which one of these auto expenses would be considered variable ? A.Insurance premiums B.Vehicle registration renewal C.Gasoline D.Loan payments i thonk its B or C

    asked by ciara
  168. English

    What does it means "How does this setting impact the story?". I really don't get it. Please help. Thank You !!! :)

    asked by Laruen
  169. Mathamatics

    find the value of r in terms of T (2r+ 3T)/2 = (2r-T)/3 please help me!

    asked by Paula
  170. owning

    A ruling of the FTD requires that every used car must display a(n)______spelling out the warranty terms under which the vehicle is offered for sale. A.Vehicle identification chart B.agreement C.option chat D.buyer's guide i got D

    asked by ciara
  171. Chemistry

    What is the Lewis dot structure for Carbon tetrabromide and what is the geometric shape of the molecule?

    asked by Jill
  172. math 9th grade

    the perimeter of a rectangle is 56 inches> the width of the rectangle is three-fourth of the length. Find the length of the diagonal of the rectangle. please help me!!!

    asked by Paula
  173. Algebra

    Monthly Budget: You earn $250 per month from your part-time job. You are in a kayaking club that costs $20 per month, and you save at least $100 each month. Write and solve an inequality to find the possible amounts you have left to spend each month.

    asked by Stefanie
  174. Math

    A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

    asked by Micka
  175. math

    A common error to think that since 5/3 - 4/3 = 1/3, the quotient 5/3 ÷ 4/3 is equal to 1 1/3. Explain why this is incorrect.

    asked by Kate
  176. Finding Velocity

    A brick falls freely from a high scaffold. A. What is its velocity after 4.0s? B. How far does the brick fall during the first 4.0s? I don't know what formula to use. I only have time, and I guess the first velocity would be 0s.

    asked by -Untamed-
  177. finance

    Define the following terms and identify their role in finance: 1. Finance 2. Efficient Market 3. Primary Market 4. Secondary Market 5. Risk 6. Security 7. Stock 8. Bond 9. Capital 10. Debt 11. Yield 12. Rate of Return 13. Return on Investment 14. Cash Flow

    asked by Anonymous
  178. math

    calculate 2/3 ÷ 1/2. In your own words, describe how the quotient of two fractions can be calculated.

    asked by Kate
  179. geometry

    if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc

    asked by Anonymous
  180. Calculating Distance

    If you drop a golf ball, how far does it fall in 0.5s? Is the correct formula to use?: D = V1 + t + 1/2at^2. But the problem is that I don't know the acceleration, would that be 0?

    asked by -Untamed-
  181. calculus

    y sin 12x = x cos 2y, (pi/2, pi/4) Find the tangent line to the curve at the given point. y=???

    asked by John
  182. Mathmatics 10

    A ladder is placed so its foot is 2m from a wall. The ladder touches the top of a 2m fence that is 1.5m from the wall. How high up the wall does the ladder reach?

    asked by Scott Smith
  183. Biology

    I'm not sure how to answer one of my homework questions. SraJMCGIN was nice enough to direct me to a site but I already had been there. My teacher kinda of indicted it was true but I don't know how it can- could someone take a second look, please at this

    asked by Sidney
  184. English

    How do you spell Narrativeter is this is how you spell it please reply the other one about the english thing please Thank You

    asked by Laruen
  185. Math

    Joe keeps all his socks in one drawer. He has 7 blue socks and 9 brown socks. If he reaches in the drawer without looking, what is the least number of socks he can take out to be sure of getting a pair of the same color?

    asked by Maria
  186. social studies

    compare how europeans treated the different native population

    asked by katherine
  187. Chemistry--PLEASE HELP

    A solution of 220mL of 0.200M Koh is mixed with a solution of 120mL of 0.240M NiSO4. 1.Determine limiting reactant? 2.Calculate the mass of precipitate formed? 3.Calculate the molarity of all ions left in the solution?

    asked by anonymous
  188. Math

    The equation of the line that goes through the point ( 3 ,5 ) and is parallel to the line 2 x + 4 y = 2 can be written in the form y = mx+b where m is and where b is? Please help me !!!

    asked by Amy
  189. physics

    An airplane flies 137 km due west from city A to city B and then 412 km in the direction of 46.5◦ north of west from city B to city C. What is the distance between city A and city C? Relative to city A, in what direction is city C? Answer with respect

    asked by John
  190. Art/Creative Writing

    Is there any art & creative writing websites to get more ideas.

    asked by Laruen
  191. Math

    If jan drove 7 hrs. at 72 miles per hr. and drove 4 hrs. at 68 miles per hr. How many hrs she drive for last 3 hrs.

    asked by Liz
  192. Physics.. please help!!!!!

    A person walks 28.2◦ north of east for 3.33 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? How far would this person walk due east?

    asked by Elle
  193. Math

    A train that is 1 mile long starts through a tunnel that is also 1 mile long. The train is traveling 15 miles per hour. How long does it take for the train to get completely out of the tunnel?

    asked by PLEASEEEEE
  194. Science/ The Body

    What does stretching do internally for your muscles?

    asked by Bella
  195. Excel VBA

    (I have no idea what to do I've asked our professor for help with this numerous times he refuses please help, I know how to make input boxes and a command button but that is it) (1) When an object is thrown into the air it exhibits what is called

    asked by Ebony
  196. Math

    A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.

    asked by Jen
  197. health

    How do you feel about the changing demographics and increases in health care utilization may affect the adoption of CDHPs?

    asked by Marquel5
  198. Biology

    Why does Beta Glucose chains have more weak bonds between the chains than there are between alpha glucose chains?

    asked by Craig
  199. calculus

    Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(t) = 3t ln t

    asked by Carey
  200. algebra

    54x^3 +250 factor

    asked by alex
  201. Theme please check

    Could the theme be No women could change men The story is about a man marrying a women and the women wants the man changing his diet. The women bosses him around then the man finds another girl and takes off with her. He took off with her because the women

    asked by Tiffany
  202. calculus

    the needle of the scale is 27 cm long. find the distance the tip of the needle travels when rotates 74 degree

    asked by Anonymous
  203. fluid mech

    A student weighs 280 pounds and the area of his shoes is 70 square inches. What is the preesure exerted by the student shoes on the ground.

    asked by brian baldwin
  204. fluid mech

    What is the vapor pressure of water at 212 degrees F?

    asked by brian baldwin
  205. Math

    How many of the 28 students in Andy's class are boys, if 4/7 are girls?

    asked by Maria
  206. chemistry

    The vapor pressure of water @ 80 degrees C is 0.467 atm. Find value of Kc for the reaction H2O(l) to H2O(g) @ this temp.

    asked by Robin
  207. Chemistry

    Do chemists speed a reaction by using bunsen burners or steam baths because this lowers the activation barrier?

    asked by Ashley
  208. calculus

    based on data from 1995 to 1999, the average annual warnings in the paper and allied products manufacturing industry may be maodeled by E(t)=1335t+39408 dollars per employee and the average number of emplyees in the same industry cab be modeled by

    asked by Bandit
  209. chemistry

    Determine the volume of the titrant that would effect of neutralization. a.)0.036 L OF 0.98 m HCL titrated with with 0.58 NaOH b.) 24.3 mL of 0.29 M H2SO4 titrated with 0.42 M KOH

    asked by Anonymous
  210. fluid

    3. A students boot pressure on the ground is 5 pounds per inch squared. how many inches squared will be required to set off a landmine with a set pressure 40 pounds? 4. Calculate the pressure exerted by the atmosphere on a cubic square can with 6 sides of

    asked by brian baldwin
  211. World History

    What was the cause of the peloponnesian war? A. Greeks sought revenge for the persian wars. B. Sparta wanted control of the powerful athenian army. C. A spartan murdered the athenian ruler pericles. D. Many greeks outside of athens resented athenian

    asked by ciara's sister
  212. statistics

    Forty percent of participants in a soccer league are nine years old, 30% are eight, 20% are seven, and 10% are six. What is the expected value of the age and the standard deviation?

    asked by yogi
  213. Stats Question

    People were polled on how many books they read the previous year. How many subjects are needed to estimate the number of books read the previous year within one book with 99% confidence? Initial survey results indicate that standard deviation= 15.9 books.

    asked by Parker
  214. Chemistry

    How many milliliters of 0.250 M KMnO4 are needed to react with 3.36 g of Iron(II) sulfate, FeSO4? The reaction is as follows: 10FeSO4(aq) + 2KMnO4(aq) + 8H2SO4(aq) ¨ 5Fe2(SO4)3(aq) + 2MnSO4(aq) + K2SO4(aq) + 8 H2O(l

    asked by John
  215. fluid mech

    Complete the following table by inserting the viscosity in centipose at the given temperature. liquid temp Viscosity Bunker c fluid 100 Bunker c fluid 200 Water 70 32.6 Deg Api crude 100 Isopropanol 0 Dowtherm MX 100

    asked by brian baldwin
  216. microeconomics

    Can someone please help me with answering these questions? I need to know the answers to study for a test. 1.What private goods generate external benefits? 2.What is the economic logic of the median-voter rule? 3.Are there different ways to reduce

    asked by Sally
  217. economics

    An accountant deposits 100 per month into an account that pays 8% per year compounded quarterly ( no interperiod compounding) How much will she have in 10 years

    asked by t
  218. english

    Explain how the poem February is organized around an extended metaphor that defines winter as a time to eat fat and watch hockey.

    asked by kay
  219. Velocity and Displacement

    A stone falls freely from rest for 8.0s. A. Calculate the stone's velocity after 8.0s. V2-V1+at V2 = (0) = 9.8(8.0) V2 = 78.4m/s B. What is the stone's displacement during this time? d = (v2 + v1)t/2 d = (78.4 + 0)/2(8.0) d = 313.6m

    asked by -Untamed-
  220. Chemistry

    A 0.250g smaple of magnesium-aluminum alloy dissolves completely in an excess of HCl(aq). When the liberated H2(g) is collected over water at 29C at 752torr, the volume is found to be 297mL. The vapor pressure of water at 29C is 30.0torr. What is the mass

    asked by Cynthia
  221. Biology

    Why (in detail please) in the carboxypeptidase mechanism, the weak bonds between an enzyme and a substrate will stretch the peptide bond of the substrate which lowers the bond energy? I just want to know why in detail this happens... Thank you.

    asked by Simon
  222. physic

    use draw a force diagram of a crash - test dummy in a car at the moment of collision.for this proplem, assume that the forces acting on the car are 19 600n downward, 17 800 n forward, and 25 000 n backward. the forces acting on the dummy are 585 n

    asked by nie
  223. Algebra

    2 pumps can fill a water tank in 45 minutes when working together. Alone, the second pump takes 3 times longer than the first to fill the tank. How long does it take the first pump alone to fill the tank? Show all work

    asked by Anne
  224. math

    a kid with a baseball cap is playing catch with himself by trowing a ball straight up how fastdoes he throw the ball if it comes back to his cap in0.8 seconds later

    asked by peter
  225. physics

    please help i have to turn this in by 10PM a bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.55 m. At the lowest point of its motion the tension in the rope supporting the bucket is 28.0 N.

    asked by joey
  226. Statistics

    A forest fire is burning down a narrow valley 3 miles wide at a speed of 40 feet per minute. The fire can be contained by cutting a firebreak through the forest across the valley. It takes 30 seconds for one person to clear one foot of the firebreak. The

    asked by Anonymous
  227. LCMs/Adding unlike fractions

    Find the least common multiple in each set of numbers. 1) 8,9,12,18 2) 6,8,9,27,36 I have trouble factoring the denominators in this one. 3/7 + 2/5 + 1/10

    asked by Alex L.
  228. Chorus!

    I'm confused on my notes and how many beats there worth. If you can help please respond A.S.A.P because I have to be in a sight reading contest this Tuesday in front of my whole class. thankss!

    asked by Anonymous
  229. history

    Hi I was wondering if someone could please help me with this question: What was the place of residence of the Ho-Chunk war chief Red Bird? I have searched many places and have had no luck finding the answer. Thanks much! =)

    asked by Lydia
  230. math

    x/5 + y/6=5 2x/5 + y/3=-2 use sub method

    asked by angel
  231. College Algebra

    How many liters of 80% hydrochloric acid must be mixed with 40% hydrochloric acid to get 15 liters of 65% hydrochloric acid? Write your answer rounded to three decimals. Show all work.

    asked by Liz
  232. Algebra 1 Honors

    2x+4=5(x+1) -2(x+2) Would this be identity (all numbers are the solution), No solution (no real number solution), or can it be solved?

    asked by Stefanie
  233. Mathematics

    If a brick weighs exactly as much as a 9-pound rock plus falf of another brick, what does a brick and a half weigh?

    asked by Mary
  234. physics

    A compact disc spins at 2.8 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.1 cm from the CD's center. (a) What is the coefficient of friction between the ant and the CD? I

    asked by matt
  235. Algebra

    The relationship between Celsius(C)and Fahrenheit (F) degrees of measuring temperature is linear. Find an equation relating the two if 1o degrees C corresponds to 50 degrees Fand 50 degrees F and 30 degrees C corresponds to 86 degrees F. Use the equation

    asked by Bella
  236. College Algebra

    A bank loaned out $53,000, part of it at a rate of 12% per year and the rest at a rate of 5% per year. If the interest received was $4960, how much was loaned at 12%? Show all work.

    asked by Bella
  237. algebra

    how many mls of pure water does a pharmacist have to add to 50mls of a 15% minoxide solution to get a 10% minoxide solution?

    asked by rf
  238. statistics

    You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 90 percent confidence level and state that the estimated proportion must be within 2 percent of the population proportion. A pilot survey reveals

    asked by Barbara
  239. Math

    Flip a fair coin 9 times. Find the probability of getting the following outcome. (Round your answer to six decimal places.) at least 5 heads

    asked by Marisa
  240. Algebra

    During a hurricane evacuation from the east coast of Georgia, a family traveled 260 miles west. For part of the trip, they averaged 70 mph, but as the congestion got bad, they had to slow to 20 mph. If the total time of travel was 9 hours, how many miles

    asked by Leslie
  241. CHEmistry

    The balanced reaction equation for combustion of Mg is: 2 Mg + O2 --> 2 MgO. In the reaction vessel you have 1.0 moles of Mg and 0.30 moles of O2. What is the limiting reactant? How many moles of MgO can you possibley make?

    asked by Amanda
  242. Math please help me

    5 years,21days,4hours,32min,17sec - 2 years,93days,7hours,47min,24sec _______________________________________

    asked by Juan
  243. us history

    During the cold war,American relations with the Soviet Union were dominated by?

    asked by aja
  244. Programming C#

    Write a program that prompts the user for a name, social security number, hourly pay rate , and the number of hours worked. - Gross pay defined as hourly pay rate time hours worked. - Federal withholding tax, defined 15% of the gross pay. - State

    asked by Adam Smith
  245. math

    A manufacture has been selling 1300 television sets a week at 450 each. A market survey indicates that for each 14 rebate offered to a buyer, the number of sets sold will increase by 140 per week. a) Find the demand function , where is the number of the

    asked by Jim
  246. Arts/230

    Social views and patterns are often protrayed in art. How did the rising middle-class of the enlightenment era play into the context of their painting? Did it contribute to or detract from the technical qualities of the paintings?

    asked by Angie
  247. Math

    Solve By Factorig: x^(9/4)- 2x^(5/4)- 3x^(1/4)= 0

    asked by Anonymous
  248. algebra

    The actual room has an area of 166ft2 and one of the sides, s, measures 13ft. Side s corresponds to side m of your model and m = 2ft. In order for your model to have the same proportions as the actual room, what is the required area of your model room?

    asked by Kevin
  249. Chemistry

    How many mL of 0.139 M KOH are needed to reach the equivalence point when 1.8 g of potassium hydrogen phthalate, KHP is titrated to a phenolphthalein end-point.

    asked by Anonymous
  250. history

    The Indo-European migration brought many changes to several ancient civilizations. What major civilizations were impacted and what changes did they bring?

    asked by Stacy
  251. Math

    Construct a grouped frequency distribution for the following 28 scores using a class width of 4: 64 63 58 46 52 62 47 49 56 47 43 41 45 51 60 62 51 61 50 55 56 53 54 58 48 48 58 46

    asked by Jen
  252. Chemistry

    How many mL of 0.139 M KOH are needed to reach the equivalence point when 1.8 g of potassium hydrogen phthalate, KHP is titrated to a phenolphthalein end-point.

    asked by Anonymous
  253. Math

    5 years,21days,4hours,32min,17sec - 2 years,93days,7hours,47min,24sec -------------------------------------

    asked by Juan
  254. chemistry

    Sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed?

    asked by Zander
  255. math 117

    1. Answer the following questions. Use Equation Editor to write mathematical expressions and equations. First, save this file to your hard drive by selecting Save As from the File menu. Click the white space below each question to maintain proper

    asked by Anonymous
  256. Organic chemistry

    (i) write a proton transfer reaction that may occur, using curved arrows to show electron movements. (ii) write the pKa of the most acidic H on each side of the equation (iii) State whether reactants or products are favored and by how much (A) Phenol +

    asked by PHILLIP
  257. trig

    A rocket is launched at an angle of ascent (elevation) of 18 degrees. When it has traveled 6000 ft, what is its height above the ground?

    asked by Bridgette
  258. Mathematics

    If a brick weighs exactly as much as a 9-pound rock plus falf of another brick, what does a brick and a half weigh?

    asked by Mathew
  259. psychology

    One common mistake made in a persuasive paper is taking one side to the extent that the writing becomes biased. How does a persuasive essay differ from a biased essay?

    asked by Samantha
  260. math

    1. A baseball diamond is a square with a distance of 90 feet between the bases. A runner is running from first base to second at the constant rate of 20 feet per second. How fast is the distance between the runner and the catcher changing when the runner

    asked by Eun
  261. geometry

    10. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.8 inches

    asked by ella
  262. Physical Science

    The ___________ of an element have atoms whose nuclei differ in their numbers of neutrons.

    asked by Brann
  263. english-poetry

    what would you say this poem is about THE CAROL BURNETT SHOW by Joan Jobe Smith After my father died and I had to drop out of college for the second time to go back to being a go-go girl, my mother came to live with me to take care of my kids although she

    asked by deb
  264. Science

    An electron microscope has a much greater useful magnification than an optical microscope because it can resolve smaller details. What makes the higher resolving power possible?

    asked by Sheryl
  265. Science

    Why is the Bohr Theory incompatible with the uncertainty principle?

    asked by Sheryl
  266. Physical Science

    Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J

    asked by Brann
  267. Science

    What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^-11m and an electron whose de Broglie wavelength is also 10^-11m?

    asked by Sheryl
  268. Science

    What kind of experiment might you use to distinguish between a gamma ray of wavelength 10^-11m and an electron whose de Broglie wavelength is also 10^-11m?

    asked by Sheryl
  269. science

    Why do you think the wave aspect of light was discovered earlier than its particle aspect?

    asked by Sheryl
  270. science

    Why do you think the wave aspect of light was discovered earlier than its particle aspect?

    asked by Sheryl
  271. science

    Find the frequency and wavelength of a 50-MeV gamma-ray photon.

    asked by Sheryl
  272. science

    Why is the Bohr Theory incompatible with the uncertainty principle?

    asked by Sheryl
  273. Chemistry

    0.1 M solution of HCL has been diluted by a factor of 10. The Corresponding concentrations of: [OH^-] increased or decreased [H^+] increased or decreased

    asked by Jon
  274. Math...PLEASE HELP!!!!

    A candidate for a political office claims that he will win the election. A poll is conducted, and 35 of 150 voters indicate that they will vote for the candidate, 100 voters indicate that they will vote for his opponent, and 15 voters are undecided. a.

    asked by Jen
  275. Physics

    If a car his traveling 24.5 m/s east, and the driver looks down at a text for 3 seconds, how many meters will the car travel during that time period.

    asked by Dawn
  276. algebra

    Find the length of the golden rectangle whose width is 14.72

    asked by Jennifer
  277. geography

    What lines of latitude determine the" tropics"? My answer is 23.5 degrees N and 23.5 degrees S latitude. Am I right? Please check me on one more! Why is Greenwich, England, so important to a geographer? My answer is -- Because the prime meridian runs

    asked by Reed
  278. Physical Science

    Find the work done in pushing a 120 kg box for 5 meters across the floor. W=F * D (F=m*g) a. 600.0 J b. 5,880.0 J c. 5,008.8 J d. 601.5 J

    asked by Brann
  279. math

    Find the perimeter and area of a right triangle if one leg measures 9 cm and the other leg measures 40 cm. Students must show all work step by step to receive full credit for the problem. Include correct units with your solution.

    asked by joetta
  280. geography (Ms. Sue)

    Can you suggest a site where I can find this answer? I do not have my book at home tonight. I need to name at least three items a map's key should include.

    asked by Reed