Questions Asked on
January 29, 2011

  1. Math

    A drugstore sells a drug costing $85 for $112 and drug costing $175 for $238. A, If the markup policy of the drugstore is assumed to be linear, write an equation that expresses retail price R in terms of cost C (wholesale price). B, what does a store pay

    asked by daylo3
  2. algebra

    name the property that justifies (-2.6) +7 = 7+(-2.6)

    asked by sharon
  3. CHEM EASY

    Which indicator is best suited to determine the equivalence point of a titration of diethlyamine with HBr? pKb of diethylamine=3.16 A) phenolpthalein pKHIN ~9 B) bromo blue pKHIN ~4 C) alizarin yellow pKHIN~11 D) methyl violet pKHIN~ 1 E) phenol red pKHIN

    asked by Sara
  4. Physics

    How much energy in kilocalories is expended against gravity alone by a 75- kg man climbing 1500 m up a mountain?

    asked by Anonymous
  5. chem

    Determine the electron and molecular geometries of each of the following molecules. For those with more than one central atom, indicate the geometry about each central atom. (Enter your answers in the order given in the skeletal structure from left to

    asked by hannah
  6. stats

    A company that manufactures and bottles apple juice has a machine that automatically fills 16-ounce bottles. There is some variation, however, in the exact amount of juice dispensed into each bottle. From a large number of observations taken over a long

    asked by a
  7. social studies

    I answered the question In what direction did the Qin dynasty expand the most? I said to the South then I was asked how do I think the East China Sea affected the Qin dynasty's expansion? My answer is- The Sea would allow the ability to trade with more

    asked by Reed
  8. physics2

    A charge of -6.5 micro-Coulombs is placed at the origin of a coordinate system. Another charge of -7.6 micro-Coulombs is placed at x = +0.29 m, y = +0.17 m. A third charge of +14 micro-Coulombs is placed at x = -0.29 m, y = 0 m. What is the magnitude of

    asked by kelly
  9. Physics Check

    How much does it cost to operate a 1.0-W electric clock for a year if electricity cost $0.05/k Wh? I think the answer is =$0.44 a year with the calculations of 1.01*24hrs*365=8,760Whr/1000kw = 8.76kWh 8.76 kWh * 0.05 = 0.44 a year. Is this correct?

    asked by Anonymous
  10. Physics

    Using energy considerations and neglecting air resistance, calculate how far a rock will rise above its point of release if it is tossed straight up with an initial speed of 10m/sec. Using energy considerations and neglecting air resistance, calculate how

    asked by Anonymous
  11. Accouting

    Bob night opened "The general's favorite Fishing Hole" The fishing camp is open from April through September and attracts many famous college basketball coaches during the off-season. Guests typically register for one week, arriving on Sunday afternoon and

    asked by Aloma
  12. Science

    How many liters of carbon monoxide at STP are in 3.85 x 10^24 molecules of carbon monoxide?

    asked by Amanda
  13. physics2

    Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.1

    asked by kelly
  14. Chemistry - Blue Printing Experiment

    Which of the two reactions in Blue Printing is an oxidation-reduction reaction? What is the oxidizing agent and the reducing agent? Fe^3+ + C204^-2 (oxalate) -> Fe^2+ + CO3 Fe^2+ + Fe (CN)6^-2 -> Fe3[Fe(CN)6]2 Can the second reaction occur in the absence

    asked by Bam
  15. math

    Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the

    asked by Anonymous
  16. physics

    The spring of the pressure gauge has a force constant of 1,000 N/m,and the piston has a diameter of 2.00 cm.when the gauge is lowered into water,at what depth does the piston move in by 0.500 cm?

    asked by Bamidele
  17. NOUNS, PRONOUNS, AND ADJECTIVES

    We left King ranch on a december day in 1873. On the Santa Fe trail, we hit bad weather. The Red river was flooded and it took us four days to get the Cattle across. All in all, it was a hard trail drive, but we got our Longhorns to the railroad at

    asked by Anonymous
  18. college Chemistry

    Popcorn kernals pop independently (i.e. unimolecularly). For one brand at constant temperature, 11 kernals pop in 10 seconds when 240 kernals are present. After 145 kernals have popped, how many kernals will pop in 10 seconds?(Your answer may include

    asked by jade
  19. physics

    A uniformly charged conducting sphere of 1.2 m diameter has a surface charge density of 7.1 µC/m2. (a) Find the net charge in coulombs on the sphere. (b) What is the total electric flux leaving the surface of the sphere?

    asked by Ty
  20. Personal Finance

    NEED HELP IMMEDIATELY, HAVE UNTIL 10P.M. CENTRAL TO HAVE ANSWERS?? 1.Determining the Future Value of Education. Jenny Franklin estimates that as a result of completing her master’s degree, she will earn $6,000 a year more for the next 40 years. a.What

    asked by Marie
  21. geometry

    maddie throws a baseball fom third base to first base. The four go foot lines between the bases from a square which number is the best estimate of how far maddie throws the baseball

    asked by Sally
  22. physical science 2

    the force required to maintain an object at a constant velocity in free space is equal to: b: the mass of the object. c: the force required to stop it. d zero

    asked by ellen
  23. math

    A car drives down a road in such a way that its velocity ( in m/s) at time t (seconds) is v(t)=2t^1/2 +2 . Find the car's average velocity (in m/s) between t=4 and t=9. i really need help with thisss

    asked by yoo
  24. physics2

    A Gaussian surface encloses two charges. The total electric flux through the Gaussian surface is 8.3 x 106 N m2/C. If one of the charges is -14.9 micro-Coulombs and the magnitude of the electric force between them is 2.76 Newtons, what is the distance

    asked by kelly
  25. Chemistry (w.e or DrBob222)

    Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work: 4CaCO3(s) + Al2(SiO3)3(s) → CaO(s)

    asked by Jim
  26. mcckc.edu

    A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution

    asked by paulina
  27. physics

    A 65.0-Ù resistor is connected in parallel with a 117.0-Ù resistor. This parallel group is connected in series with a 22.0-Ù resistor. The total combination is connected across a 15.0-V battery Find the current in the 117.0-Ù resistor. Find the power

    asked by Anonymous
  28. Algebra

    What is 194 times 10 to the third power in scientific notation

    asked by Anonymous
  29. computer programming

    small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,

    asked by jesse
  30. History

    I need four topics to compare and contrast Machiavelli's The Prince and Castiglione's The Courtier. Thanks.

    asked by Alyssa
  31. geometry

    the perimeter of a square garden is to be at least 30 feet but not more than 64 feet.find all the possible values for the length of its sides.

    asked by pink
  32. accounting

    Write a 700- to 1,050-word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is willing to give you the capital needed for the first year of your business, but only if you can

    asked by lacy
  33. math

    If a bicycle wheel has a diameter of 63 centimeter. During A journey the wheel make a 510 revolution .how many meter does the bicycle travel

    asked by peta
  34. Physics

    What is the efficiency of an athlete who consumes 3000kcal of food and does 2.5 x 10*6 J of useful work?

    asked by Anonymous
  35. Calculus

    A particle moves at varying velocity along a line and s=f(t) represents the particle's distance from a point as a function of time, t. Sketch a possible graph for f if the average velocity of the particle between t=2 and t=6 is the same as the

    asked by Brittany
  36. Science

    If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value? Can anyone give me a VERY SIMPLE explanation of this please? Thank you.

    asked by Korina
  37. Calc

    Suppose that a function f(125)=52 and f'(125)=4. Estimate f(123.5)

    asked by Matt
  38. BUSINESS LAW

    At issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that

    asked by Marie
  39. math

    Translate the following English sentence into a symbolic sentence with quantifiers: Between any integer and any larger integer, there is a real number. (universe is real numbers)

    asked by Meg
  40. Spanish

    33. Me gustaría comer un sandwich _______ jamón y queso. a. porque b. de c. en d. por Not sure.. 34. Voy a la fiesta solo pero _______ ir con Francisca. a. me gusta b. voy c. soy d. prefiero D? Thanks -MC

    asked by mysterychicken
  41. math

    Minimize c = x + y subject to x + 5y ≥ 6 5x + y ≥ 6 x ≥ 0, y ≥ 0.

    asked by LIZ
  42. Chemistry

    Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work:

    asked by Jim
  43. physical science 2

    It takes 6 seconds for a stone dropped from rest to the bottom of a well,what is its final speed A; 6 meters/second B: 30 meters/seconds C: 36 meters/seconds D: 60 METERS/SECONDS A is incrrect

    asked by ellen
  44. Calculus

    Are the functions continuous at the point being approached? lim y>1 sec ( y sec^2y - tan^2y -1 )

    asked by Kelly C
  45. physical science

    a car traveling in a lage circlepasses by a motorcycle that is trveling in a straight line north to south.both of their speedometers read 10m/s.which statement is true; a: the car and motorcycle have the same speed ,but different velocities,b:the car and

    asked by ellen
  46. pop culture and the arts

    I need to give two examples that illustrate the relationship between art and American culture.

    asked by ann
  47. Chemistry

    Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum oxide and calcium silicate is produced. Write the balanced equation for this reaction. My Work:

    asked by Jim
  48. Math

    Paul males 33 of 40 free throws. He wantes to use this ratio to predict n, the number of free throws he will make out of 198 attempts. Write a proportion he should use.

    asked by Please help
  49. Applied Business Math/Colleg student

    Solve the problem and reduce to lowest terms? 2/3+1/6+11/12=

    asked by Nicole
  50. physics

    Point A is at a potential of +240 V, and point B is at a potential of -160 V. An α-particle is a helium nucleus that contains two protons and two neutrons; the neutrons are electrically neutral. An α-particle starts from rest at A and accelerates toward

    asked by Anonymous
  51. physical science 2

    A block is dragged at constant velocity in a straight line path across a level surface by force of 6 N. What is the friction between the black and the surface? a: 6 N B: less than 6 N C: More than 6N d: ZERO

    asked by ellen
  52. Math

    If possible, could a math tutor check the math post question that "daylo3" asked at 6:42 pm today, that I answered? I don't usually answer posts that I am not 100% sure of the answer. I would like to know if the way I approached this problem is correct?

    asked by helper
  53. health

    Which group of words describes a condition that results from aging? A. Presbyopia C. Muscle tone B. Articulation D. Astigmatism

    asked by georgeanna
  54. physics2

    A uniform electric field of 2.1 x 106 N/C is directed in the positive x direction. A charge of -4.3 micro-Coulombs with a mass of 7.5 kg is initially moving at 18 m/s in the positive x direction before it enters the field. How many seconds does it take

    asked by kelly
  55. Calculus

    For f(x)=lnx, construct tables, rounded to four decimals, near x=1, x=2, x=5, and x=10. Use tables to estimate f'(1), f'(2), f'(5) and f'(10). Then guess a general formula for f'(x).

    asked by Josie
  56. math

    2.-The longest one-word name of any place in America is Chargoggagoggmanchauggagoggchubunagungamaugg.This name for a lake near webster, Massachusetts, is 45 letters long. It is a Native American name that means "You fish on you side, I'll fish on mine, and

    asked by Luis
  57. Public Finance

    A corporation has $7 mil. in equity. During the tax year it takes in $4 million in receipts and earns $ 2 million in capital gains from sale of subsidiary. It incurs labor costs of $1 million, interest costs of $250,000, material costs of $500,000, and

    asked by Mel
  58. HEALTH CARE COMMUNICATION STRATEGIES

    Traditionally healthcare organizations have been based on the bureaucratic model. In what ways has the bureaucratic model enhanced healthcare communication? In what ways has it been a detriment? Would you recommend a different model to improve

    asked by Amanda
  59. cdgf

    what is a word whit the letters b,o,n,s,p,e,q

    asked by uyitf6
  60. Advanced Functions Math

    Given the equation y=2^x, predict the equation for the graph that has been reflected in the y-axis. Given a vertical stretch by a factor of 5, translated 2 units right and 5 units down

    asked by Sarah
  61. health physics

    Assuming that at the beginning of time (big bang; creation of the universe) there were equal numbers of U-235 and U-238 atoms produced, estimate the age of the Earth (using terrestrial U-235 and U-238 abundances).

    asked by terry
  62. accounting

    Write a word problem involving a discounted price. Describe the situation and pose the question, but DO NOT SOLVE the problem.

    asked by catrina
  63. Physics

    I made a pan flute with copper tubing (3/4 in diameter) to correspond to the following notes/lengths: C - 15.4cm D - 13.6cm E - 12.0cm G - 9.8cm A - 8.7cm The original instructions called for PVC pipe at 1/2in diameter, so the notes are off. How do I

    asked by Anonymous
  64. us history

    WAS THE BEER AND WINE REVENUE ACT A REFORM,RECOVERY,OR RELIEF

    asked by KEONTA
  65. Philosophy

    Create an 11- to 14-slide PowerPoint® presentation answering one of the topics found in Appendix A, as well as 3 to 4 principle issues related to your chosen topic. My topic is Should there be a set of uniform morals standard? Thank you

    asked by lacy
  66. math

    need help I need to have my answer in cups: 2cups N ______ ______ 7 people 46 people I did the top part right 2x46/7=13.1428 but i need to turn it into cups...13 and ___ cups.. don't know how to change the end number to cups...

    asked by wendy
  67. physics

    A ball is fired with an inital velocity of 500 m/s at an angle of 30 degrees above horizontal across a level field. Calculate the maximum height, the time of flight, and the range of the ball. Okay, so I know that this is a projectile problem but I am kind

    asked by Anonymous
  68. renewable energy

    If a solar cell with 2 m^2 surface area is placed in a direct light having 780 W/m power density provides an output power of 346 W, what is the efficiency in percent? (0 to 100 %, no decimals). Provide your answer in base units (no scientific notation or

    asked by christian
  69. physics2

    A charge of +q is placed at y = 0 m. Another charge of +2q (twice the other charge) is placed at y = +6.52 meters. Where on the y axis is the total electric field zero?

    asked by kelly
  70. Math

    COMPUTER PRODUCTION MVE Enterprises can manufacture four different computer models; the Student, Plus, Net, and Pro models. The following gives the configurations of each model: STUDENT PLUS NET PRO Processor Celeron Celeron Celeron Pentium Hard Drive 20

    asked by Linda
  71. Chemistry

    Raising the temperature of a sample of water will typically(decrease/increase) the solubility of (all/some) dissolved gases. Is it decrease, some?

    asked by Bill
  72. MATH: Pre-Cal/Trig

    The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.

    asked by Melody
  73. trig

    find the distance from the orgin to each of the following points .If your answer is irrational,leave it in radical form. a.(3,-7) b.(-4,6) c.(0,5) d.(6,0) e.(-2,-4) f.(0,0) my answers : what do they mean by leave it radical form a.sqrt 58 b.Sqrt 52 = 2sqrt

    asked by Cas
  74. Physical Science 2

    Ten seconds after starting from rest,a freely falling object will have a speed of about______ rn/s A: 10 B: 50 C: 100 D: 120 I know that the answer A is not correct.

    asked by ellen
  75. chemistry

    how do you balance CuSO4* 5H2O

    asked by dasia
  76. Chemistry

    When 1.53 grams of silver metal are dropped in 500. mL of 2.0 M acetic acid, how many liters of gas are evolved at STP?

    asked by Mary
  77. Physics

    A stone is thrown directly upwards with an initial speed of 34.5 m/s . What is the maximum height the stone will reach?

    asked by Demi
  78. Math

    Find the missing #. 1,3,7 _ ,31. Thx

    asked by Sam
  79. renwewable energy

    How much energy is required to accelerate a 8000 kg car from 14 km/h to 95 km/h?

    asked by christian
  80. physical science

    A kg ball of lead rests next to a 10 kg rock. which statement below is true:a:the lead ball and rock have the same amount of inertia,b:if the lead ball and the rock fell from the same height in a vacuum, the rock would hit the ground first because it is

    asked by ellen
  81. algebra II

    factor completely: 8h^3-125

    asked by Andrew
  82. science

    Calculate the uranium ratios in the natural uranium decay chain using radioactive decay relationships. Compare to the value obtained using published natural abundances.

    asked by Anonymous
  83. geometry

    What is the permineter and area of a rectangle that has a length of 8 feet and width of 3 feet.

    asked by Mary
  84. government

    what is constitutionalism, its history, and why we learn about it today

    asked by kay
  85. English Comp.

    I need help writing a sentence outline for my paper. My thesis statement is: "There is a noticeable imbalance in racial diversity in the pharmacy field, prompting needed reforms in Schools of Pharmacy training programs of cultural competence". I also would

    asked by Meredith
  86. Math

    Hot numbers in a lottery are numbers that keep coming up. Cold numbers are numbers that have not "hit" in awhile.Some people select hot numbers or cold numbers when buying a ticket. Using probability,explain whether this makes sense. Please answer this

    asked by Melea
  87. comp

    How do I write two sentences about family financial goals using the past progressive and future progressive tenses?

    asked by jade
  88. Chemistry

    How to know overall charge of molecule? see question # 12 here, why is it -1? how do you know? itech.pjc.edu/tgrow/2210/chm2210ps4sol.pdf

    asked by ben
  89. English Comp.

    Is this a decent thesis statement or is it too long? The imbalance in racial diversity in the field of pharmacy brings a need for more in-depth cultural competency training programs in colleges of pharmacy so they can better understand, relate, and provide

    asked by Meredith
  90. Math

    Solve for x: 8^(6x-3)=(1/16)^(5x-9)

    asked by Michael
  91. ALGEBRA

    I NEED DATA TO MAKE GRAPHS, BUT NOT TO MUCH INFO

    asked by LYNNE
  92. Chemistry

    Help! I need to do this review question and don't know where to start ! The label on a bottle of vinegar claims that the bottle conatins 5% (m/v) of acetic acid. In order to test this claim, a 50ml sample is titrated with sodium hydroxide. 166ml of 0.25

    asked by Sarah
  93. Chemistry

    When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP?

    asked by Mary
  94. Science

    Why is blood pressure expressed with 2 numbers?

    asked by MARIANNE
  95. science

    balance the chemical equation __MgO + Cl --> __MgCl + __O 2 2 2

    asked by Roy S
  96. Math

    How do I solve the following equation 4-7^2x=1

    asked by Noah
  97. Sci 162

    I would like to know what Gayle should do about telling Patrick that she is HIv positive.

    asked by Patricia Brickhouse
  98. Chemistry

    When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm?

    asked by Mary
  99. Chemistry

    When 1.53 grams of silver metal are dropped in 500. mL of 2.0 M acetic acid, how many liters of gas are evolved at STP?

    asked by Mary
  100. Chemisrty

    When 7.76 grams of magnesium bicarbonate are mixed with 300. mL of 0.10 M hydrocyanic acid, how many liters of gas are evolved at STP?

    asked by Mary
  101. Calc

    suppose that f(x) is a function of f(125)=52 and f'(125)=4. estimate f(123.5)

    asked by Matt
  102. acct

    Business is going well for Email Designers. The board of directors of this family-owned company believes that Email Designers could earn an additional $1,000,000 income before interest and taxes by expanding into new markets. However, the $4,000,000 the

    asked by Micheal
  103. english

    what would the tragic vision of the play othello be?

    asked by Anonymous
  104. english

    would be this be a viable thesis for the play othello? The suffering that Othello (the tragic figure) brings to other charcters, contributes to the tragic vision- that jealousy has the power to destroy even love. Any suggestions on how to improve it?

    asked by Anonymous
  105. language arts

    Selection of hiking shoes should be your first concern. Even a one-day hike can be misery without comfortable shoes. The most effective combination of sentences 3 and 4 would include which of the following groups of words?

    asked by levar
  106. math-precalc

    In the shot put, the shot must land within a 40 degree sector. Consider a coordinate system where the vertex of the sector is at the origen, one side lies along the positive x-axis, and the units are meters. If a throw lands at the point with coordinates

    asked by Haley
  107. Public Finance

    Suppose the corporate income tax were eliminated and corporate income allocated to shareholders on a pro rata basis according to their proportion of outstanding stock. How would such a change in tax policy affect the excess burden and incidence of the tax,

    asked by Mel
  108. mat/116

    can someone help in finding the ordered pair for this equation. 7x-9y=63 9y-7x=-63

    asked by robbie
  109. mat/116

    can someone help me in determining wether these numbers are a solutions of this inequality. y-11>2y-2 3,-16,-17,-1

    asked by robbie
  110. math

    Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. x=2y^2 , y=1 ,x=0 about the y-axis

    asked by yoo
  111. mat/116

    Thanks you guys for the past help, but I am stuck on this line graphing. So can someone help in solving and graphing this compound inequality. 9x+1>= -53 or 4x+3>= -9 what would the solution {xlx>...}be.

    asked by robbie
  112. US HISTORY HELP!

    What was the first hemisphere “discovered” by the Europeans? What were the impacts of this discovery?

    asked by darryen
  113. science

    If you Weighed 360 pounds on Earth with your space suit on, what would you weigh on the moon? Why?

    asked by tyson lawson
  114. science

    name 3 properties that can be used to classify unknown substances

    asked by Roy S
  115. Chemistry

    Need help balancing this equation, just the coeffecients, do not need to balance the charges. The numbers are subscripts: Ca0.41Mg0.36Mn0.50Fe1.76Al2Si3O12 + H + H20 Al(OH)3 + FeOOH + MnO2 + Ca + Mg + Si(OH)4

    asked by Robert
  116. renewable energy

    How much total kinetic energy is available in a diesel locomotive weighing 11000 kg travelling at 2.0 km/h?

    asked by christian
  117. renewable energy

    If you (64) are standing on a 72 m hill, what is you potential energy? (gravity = 9.81 m/s)

    asked by christian
  118. Algebra

    how do I check my answer to a problem. The problem is: x/5 - 1/2 = 3 I know the answer is 35/2 but how do you check it. 35/2 /5 - 1/2 = 3?

    asked by Donna
  119. Social Studies

    How do we describe the 1917 Russian Revolution and how it affected the church.

    asked by John
  120. math

    n + (n + 1) + (n + 2) =45

    asked by Bob
  121. science

    need a science project for 7th grade using toy train.

    asked by mateo
  122. Social Studies

    What were the 13 colonies rules before the U.S. Constitution was created?

    asked by Sumaiya
  123. Chemistry

    When 2.05 grams of aluminum metal are dropped in 650. mL of 6.0 M hydrochloric acid, how many liters of gas are evolved at 20°C, 1.07 atm?

    asked by Mary
  124. maths

    what could this question be 1,4,...,...,25,36,...

    asked by dude
  125. medical coding

    a 50 year old new female patient has had a sore throat and head congestion for five days. the physician performs an expanded problem-focused history and examination and straightfoward medical decision. What is the correct code for this service?

    asked by Anonymous
  126. Chemistry - Blue Printing Experiment

    What will happen to the blueprint if it was not thoroughly washed?

    asked by Bam