Questions Asked on
March 30, 2011

  1. business

    Rocky Mountain Tire Center sells 20,000 go cart tires per year. The ordering cost for each tire is $40, and the holding cost is 20% of the purchase price of the tires per year. The purchase price is $20 per tire if fewer than 500 tires are ordered, $18 per

    asked by Gin
  2. 5 of 90 lotto equation formula

    Example: on 5 Feb. 2011, draws were::: 44 – 68 – 90 – 64 – 66 and 12 Feb. 2011, draws were::: 89 – 27 – 12 – 49 – 40 Each draw has a corresponding machine number. For instance, the machine numbers for the 5 Feb. 2011 were::: 87 – 50 –

    asked by ay
  3. Chemistry

    you add 0.05ml of 0.10M agno3 to 4ml of 2.0 nacl it forms saturated solution of agcl ag+ + cl- using a saturated solution you set up ag | ag+( test solution after reaction) || ag+(1.0ml) | ag how do we calc the equilibrium of ag+ of the test solution after

    asked by Jeanine
  4. math

    Sophina bought 3 yards of trim to put around a rectangular scarf. She does not want the scarf to be wider than 12 inches or narrower than 6 inches. Using whole numbers, if she uses all the trim, what are the possible dimensions of her scarf in inches?

    asked by Blake
  5. Physics

    A stuntman drives a car over the top of a hill, the cross section of which can be approximated by a circular arc of radius 250 m. What is the greatest speed at which he can drive without the car leaving the road at the top of the hill?

    asked by Petros
  6. Chemistry

    At 35 degrees Celcius, K = 1.6x10^-5 for the reaction: 2NOCl 2NO + Cl2 If 2.0mol NOCl and 1.0mol Cl2 are placed into a 1.0-L flask, calculate the equilibrium concentrations of all species. Answer: [NOCl] = 2.0M [NO] = 8.0x10^-3 [Cl2] = 1.0M --------- What

    asked by Jenny
  7. chemistry

    A studen is asket to calculate the amount of heat involved in changing 10.0 g of liquid bomine at room temperature (22.5 C) to vapor at 59.0 C. To do this, one must know specific heat (0.474 J/g*C), boiling point (59 C), and heat of vaporization (29.6

    asked by Lena
  8. statistics

    A university dean wishes to estimate the average number of hours his part-time instructors teach per week. The standard deviation is 2.6 hours. How large a sample must be selected if he wants to be 95% confident of finding whether the true mean differs

    asked by bob
  9. math

    Jeff put a small box that is 12 inches long, 8 inches wide, and 4 inches tall inside a box that is 20 inches long, 15 inches wide, and 9 inches high. How much space is left in the larger box?

    asked by Blake
  10. Precal

    Use a calculator to evaluate the expression. arcsin 0.45 arctan 15 arcsin(-0.125) arccos(-1/3)

    asked by Jackie
  11. statistics

    a simple random sample of size n=5 is obtained from the population of drivers living in New York City, and the breaking reaction time of each driver is measured. The results are to be used for constructing a 95% confidence interval. What is the number of

    asked by Nick
  12. Spanish

    Sandra: Hola, Eduardo. ¿1. (descansar) en la tarde? Eduardo: Nunca. Mis amigos y yo siempre 2. (tocar) la guitarra. Sandra: Yo 3. (practicar) deportes casi todas las tardes. ¿Tú 4. (estudiar) en la mañana o en la tarde? Eduardo: En la tarde 5. (montar)

    asked by Cierrah
  13. geometry

    an equilateral triangle of side 20cm is inscribed in a circle.calculate the distance of a side of the triangle from th centre of the circle.

    asked by victor
  14. algebra

    Shelly has $175 to shop for jeans and sweaters, Each pair of jeans costs $25, each sweater costs $20, and she buys 8 items. Determine the number of pairs of jeans and sweaters Shelly bought.

    asked by mimi
  15. geometry

    The ratio of the areas of two similar trapezoids is 1:9. What is the ratio of the lengths of their altitudes?

    asked by becky
  16. math

    what is the formula used to find the area of a composite figure

    asked by paskelly
  17. Chemistry

    bond angles and polarity for trans-PF3Cl2

    asked by cassandra
  18. chemistry

    the following reaction is endothermic; 3O2(g) = 2O3(g) If this reation is at equilibrium will it shift to the right or left if we: 1) add some oxygen

    asked by Chris
  19. physics

    A 63-kg ice-skater glides with a speed of 10 m/s toward a 14-kg sled at rest on the ice. The ice-skater reaches the sled and holds on to it. The ice-skater and the sled then continue sliding in the same direction in which the ice-skater was originally

    asked by kevin
  20. chemistry

    Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to prepare 5L of 0.1M nitric acid?

    asked by n/a
  21. CALCULUS

    Postal regulations specify that a package sent by priority mail may have a combined length and girth of no more than 129 in. Find the dimensions of a cylindrical package with the greatest volume that may be sent by priority mail. Hint: The length plus the

    asked by Anonymous
  22. physics

    Four identical metallic objects carry the following charges: +7.8 µC, +4.2 µC, -2.2 µC, and -4.4 µC. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated.

    asked by Anonymous
  23. physics

    A hunk of cast concrete with a weight of 10 N will float if it displaces 10 N of water true or false

    asked by bode
  24. chemistry

    A 1.00-g sample of piperazine hexahydrate is dissolved in enough water to produce 100.0 mL of solution and is titrated with 0.500 M HCl. What is the initial of the solution, before any titrant is added? Piperazine,HN(C4H8)NH, is a diprotic weak base used

    asked by shae
  25. Math

    Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 144 in. Find the dimensions of a rectangular package that has a square cross section and largest volume that may be sent by priority mail.

    asked by Anonymous
  26. Physics

    A mass m at the end of a spring vibrates with a frequency of 0.92 Hz. When an additional 600 g mass is added to m, the frequency is 0.64 Hz. What is the value of m?

    asked by Cindy
  27. Physics

    15 beats are heard in 5 seconds when a piano key and a tuning fork of slightly higher frequency (440 Hz) are struck at the same time. What is the frequency of the sound emitted by the piano key?

    asked by Brent
  28. Math

    The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can

    asked by Raymone
  29. chemistry

    The OH- concentration of 0.050 M ammonia, NH3, is 9.5x10^-4. Write the equilibrium equation for its ionization and the equilibrium constant expression; solve for the value of K.

    asked by Eghonghon
  30. math

    round to the nearest tenth 17.32

    asked by jamea
  31. chem

    which is the correct balanced equation for a given titration process, (a) or (b)? a) 6H+ + 2MnO4- + 3H2O2 -> 4O2 + 2Mn2+ + 6H2O b) 6H+ + 2MnO4- + 5H2O2 -> 5O2 + 2Mn2+ + 8H2O Process: Make a solution in a 100mL volumetric flask using 1g of NaBO3*4H2O, 20mL

    asked by sarah
  32. algebra

    The circle below is centered at the point (3, 2) and has a radius of length 7. What is its equation?

    asked by nell
  33. Math

    Your body consists of 7/10 water. Is more than 1/2 your body water? Explain

    asked by Tarra
  34. Math

    The owner of the Rancho Grande has 3028 yd of fencing with which to enclose a rectangular piece of grazing land situated along the straight portion of a river. If fencing is not required along the river, what are the dimensions of the largest area he can

    asked by Anonymous
  35. math

    What is the volume of a cylinder with radius 8km and height 7km?

    asked by Kevin
  36. physics

    an insulated circular ring of diameter 6.50cm carries a 12.0 A current and is tangent to a very long, straight insulated wire carrying 10.0 A of current. find the magnitude and direction of the magnetic field at the center of the ring due to this

    asked by jennifer
  37. geometry

    chords RS and QT are parallel. If arc QR is equal to 45 degrees, what is the measure of arc ST?

    asked by Victoria
  38. algebra

    Can someone please help write a proof for the following. given: JKLM is a square prove: MK is perpendicular to LJ the figure in front of me is a square labeled JKLM and there are diagonals JL and KM

    asked by Jim
  39. trig

    I have to retype this. For which angles theta, with 0 degrees less than/equal to theta less than/equal to 180 degrees, is sin 3theta = (equal) -1 (negative 1)? a) 30 and 150 degrees b) 60 and 120 degrees c) 90 degrees d) 0 and 120 degrees How do I set this

    asked by sejul
  40. Algebra

    How do I go about Converting 8/9 to a decimal fraction. Round to the nearest thousandth.

    asked by Jeannie
  41. English

    Homework Help Forum: English Posted by rfvv on Tuesday, March 29, 2011 at 11:13pm. e.g. Can you repeat what he said? 1. Can you repeat the thing which he said? (what =relative pronoun) 2. Can you repeat___? + What did he say? (what=interrogative pronoun)

    asked by rfvv
  42. math

    girls are 1 half of the 5 grade class two tenths of these girls have red hair.red haired girls are what fraction of the 5 rade

    asked by FRANCES
  43. bio chemistry

    1.)prepare 500mM 100 ML HCL (37% purity, density 1.8) 2.) prepare 0.5N 100 mL HCL(37% purity, density 1.8)

    asked by hadja
  44. chemistry

    More dilute sodium hydroxide solutions are often prepared from a sastuated sodium hydroxide soltuion that's is 52.0% by mass and has a density of 1.48 g/mL. Calculate the volume, in liters, of this solution needed to prepare 35.0 L if 0.125 M sodium

    asked by conlan
  45. Chemistry

    Using a table how would you know what elements were oxidized, reduced, or neither? 2Al + Fe2O3 = 2Fe + Al2O3

    asked by Sethh
  46. precalc

    Assume that this year, n = 1, the average annual salary for women in the United States is $25,000 and that it is increasing by 5% per year, meaning that each year the salary is 1.05 times what it was the previous year. Assume that the average annual salary

    asked by anna
  47. Chemistry

    How much heat energy is needed to transform 125g of ice at zero degrees celsius to warm water at 80 degrees celsius?

    asked by John Goodroe
  48. Whitney

    Stacy rolled a cube numbered 1 through 6 two times. what is the probability that the sum of the rolls was 7?

    asked by Linda
  49. chemistry

    prepare 500mM 100 ML HCL (37% purity, density 1.8)

    asked by Anonymous
  50. Chemistry

    How much heat energy is needed to transform 125g of ice at zero degrees celsius to warm water at 80 degrees celsius?

    asked by John Goodroe
  51. Few Facts about Vancouver/Paris

    These are facts I have collected about them. They both have a unique atmosphere, lovely streets, and great monuments. They are both livable, and are known to be Metropolitan areas. They are popular tourist destinations. Paris is ranked among the three most

    asked by Alice
  52. chemistry

    a) The OH- concentration of 0.050 M ammonia, NH3, is 9.5x10^-4. Write the equilibrium equation for its ionization and the equilibrium constant expression; solve for the value of K.

    asked by E.G.
  53. pharmacology 1

    identify the vitamin converted by sunlight on the skin and found in fortified food products

    asked by tiffany
  54. Precal

    Find the exact value of the expression. sin(arccos sqrt(5)/5)

    asked by Jackie
  55. chemistry

    what is activation energy for combustion of sawdust

    asked by christabel
  56. Geology science

    Describe any difference between the amounts of water that would percolate downward to the saturated zone beneath a flat meadow in northern New York and a rocky hillside in southern Nevada. Discuss the factors that control the amount of percolation in each

    asked by Roger
  57. math

    John will toss a coin three times. What is the probability that the coin will land heads up all three times? express the probability ratio as a fraction and as a decimal

    asked by jill
  58. Chemistry

    Imagine a titration starting with 25 mL of 0.1 M phosphoric acid, and titrating it with 100 mL of 0.1 M KOH. Please go look up the Ka constants for phosphoric acid, and then,explain why I asked for so much more KOH than would be needed for CH3CO2H.

    asked by Laura
  59. epidemiology

    For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department.

    asked by pamela
  60. Fher

    a laundry room is shaped like a rectangle. the area of the room is 6 square yards. the perimeter is 10 yards. The room is longer than it is wide. How wide is the room? How long it the room?

    asked by Anonymous
  61. chemistry

    A 79.9-L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25.0°C, is burned in excess oxygen, liberating 4.24 × 10^3 kJ of heat at constant pressure. What is the identity of the hydrocarbon? (R = 0.0821 L · atm/(K · mol)) Substance

    asked by chemistry
  62. chemistry

    How many grams of copper will be required to replace silver from 200 mL of 3.00M solution of silver nitrate AgNO3?

    asked by randy ramos
  63. maths

    Hi Please can you help Find the particular solution of the differential equation from f(x)=(x^2-6x+23)^(3/2)for which y=2 when x = 1, and then give this particular solution in explicit form? Am I correct that the following is the explicit form (not

    asked by Claire
  64. Science

    Find Molecular and net ionic equation for Al(NO3)3 + Na2CO3

    asked by unkown
  65. MAT116

    3. In your industrial oven, you bake two baking sheets with 12 scones each, two baking sheets with 20 cookies each, and one baking sheet with 2 scones and 10 cookies. a. Write an expression that illustrates the total cost of all baked goods in the scenario

    asked by Phoenyx
  66. chemistry

    Hi, The problem is: "Calculate the concentration of OH- and the pH value of an aqueous solution in which [H30+] is 0.014M at 25C. Is this solution acidic, basic, or neutral?" I have calculated the OH- concentration to be: 7.1 X 10^-14 When I calculate the

    asked by LaurenM
  67. math

    By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 16 in. long and 6 in. wide, find the dimensions of the box that will yield the maximum

    asked by Anonymous
  68. English

    1. Dancing is fun. (Is 'fun' and adverb or a noun?

    asked by rfvv
  69. Math

    What is the probability of rolling a number cube and getting an even number or a multiple of 3? I got 4/6 as the probability, but that isn't a choice. 6 is a multiple of 3 and an even number, so if I count 6 once, then I get 4/6 as the probability. But if

    asked by Sammy
  70. physics

    A 5.8 g bullet leaves the muzzle of a rifle with a speed of 306 m/s. What total constant force is exerted on the bullet while it is traveling down the 0.75 m long barrel of the rifle?

    asked by jenn
  71. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 250 mL of a solution that has a concentration of \rm Na^+ ions of 0.600 \it M?

    asked by Katie
  72. World History

    In what regions did Latin Christendom expand during the period of the early Mongol expansion?

    asked by Elizabeth
  73. Math 7th

    A bus travels 480 miles on 8 hrs. At the same rate, how long would it take the bus to travel 735 miles?

    asked by 7th grader
  74. ETH

    Should applications from certain countries be given priority?

    asked by =)
  75. Math

    Which of the following formulas could be used to calculate the combined area,x of threw identical circles? A. X= 3pie r squared B. X= 6 pie r C. X= pie r squared/ 3 D. X= 6 r/ pie

    asked by Mary
  76. Math

    John has scores of 88,73,90,85,93 on five math quizzes. What scores must john earn on the next math quiz to have a mean quiz score of exactly 88?

    asked by Math(:
  77. 4th grade math

    pilar has 4 marbles in a bag .they are green,red,blue,and yellow.she chooses a marble without looking,replaces it,and then chooses another marble.if she wants to get a green marble exactly 1 time out out of the 2 draws,how many favorable outcomes are

    asked by megajolt
  78. Calculus

    An epidemiologist determines that a particular epidemic spreads in such a way that t weeks after the outbreak, N hundred new cases will be reported where N(t)= 5t/(12+t*2). At what time is the epidemic at its worst? What is the maximum number of reported

    asked by Jasmin
  79. Genral chemistry

    if you dissolve 1.60g of Cu(No3)2 in 100mL of water, calculate the molarity of the resulting solution ?

    asked by Abdul
  80. Chemistry

    A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass? I just need help setting this up!

    asked by Toni Jones
  81. Trig

    A Person is riding a bike with wheels that have a 14 inch radius at 15 mph. The bicyclist rides over some gum which sticks in the tire, assume this is t=0. 1. Find a function that gives the height in inches above the ground of the gum, with input is second

    asked by Nate
  82. trig

    use an inverse trig function to write è as a function of x (There is a right triangle. The hypotenuse is 2. è is the angle between the base and the hypotenuse. The base/adjacent side of è is (x + 1) The side opposite è does not have a value.) a) è =

    asked by Sushmitha
  83. physics

    A block of mass m = 2.67 kg is attached to a spring (k = 32.3 N/m) by a rope that hangs over a pulley of mass M = 5.34 kg and radius R = 6.41 cm, as shown in the figure. a) Treating the pulley as a solid homogeneous disk, neglecting friction at the axle of

    asked by toot
  84. world war 1

    Which was a major contributing factor in Woodrow Wilson’s winning the presidency in 1912?

    asked by jaslyne
  85. FAMU

    Tamara company purchased a machine on january 1, 2002. Annual depreciation is $800. At december 31 2004, the balance in the accumulated depreciation account, after adjsutment, should be

    asked by Salee
  86. math

    what percent of students have a major other than math, history, english or science. math=200 history=300 english = 400 science=150 other= 200

    asked by missy
  87. Trig

    What is the exact value of sin^-1(sin(8pi/15)?

    asked by Kelly
  88. business Communication

    Which of the following is NOT an example of parallel structure? a. Yoga can help you develop flexibility, reduce stress, and increase relaxation. b. Learn how to analyze business audience, improve your style, and edit thoroughly. c. You are all encouraged

    asked by Sparkle
  89. math

    Raymond has exactly 360 square inches of cardboard to make a box. He wants two of the dimensions to be 6 inches and the other one to be a whole number of inches. How many different size boxes can he make?

    asked by Blake
  90. algebra

    Can someone please help wright a proof for the following. given: JKLM is a square prove: MK is perpendicular to LJ the figure in front of me is a square labeled JKLM and there are diagonals JL and KM

    asked by Bridge
  91. English

    1.) Should there be a comma before "is" in the following sentence below? She gave birth to her first child by her uncle at age 14 in 1990 is showing a sign of being raped. 2.) The psychologist help Alesha to break through her issues by using

    asked by Jackie
  92. Math

    melissa invested a some of money at 3% annual simple inter she invested 3 times that some at 5 % annual simple interest if her total yearly interest from both investments was 7200 how much was invested at 3% ?

    asked by Joel
  93. math 4th grade

    round each number to the underlined digit the number is 3,922,703 the underlined digit is in the millions place

    asked by jailynn
  94. Frankenstein

    How does shelly keep mystery and terror along with supernatural elements in chapters 8-10

    asked by Cynthia
  95. COLLEGE

    wRITE A FORMULA FOR THE FUNCTION m THAT COMPUTES THE NUMBER OF YARDS IN x FEET

    asked by Rebecca
  96. english

    which latin word means to join? JUNCT-? CRE-? LEG-? OR MON-?

    asked by krystle
  97. Anatomical Terminology

    I often here my prof use the word proper as in "mucous glands proper". What does the word proper mean?

    asked by Lena
  98. math

    How do I convert 19.9% into a fraction?

    asked by Gale
  99. evaluate expression

    ricky wrote the following to show that his sisters age is 6years less than 3times his age. Explain what he did wrong . Give the correct expression. Let (a)stand for my age ,my sisters age: a/3-6

    asked by Sededra
  100. Math I'm so confused

    Find the absolute maximum and absolute minimum values, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = x2 − x − 5 on [0, 5] Come someone please show me how to do these problems? I'm lost

    asked by Josh
  101. Math Absolutely no idea

    Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=(1/16)x^2-16sqrtx on [0,36]

    asked by Amy
  102. Chemestry

    How many moles of sodium chloride are produced when 25 grams of sodium reacts with chlorine gas?

    asked by Me.
  103. College Algebra

    Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?

    asked by Devin
  104. math please help

    use an inverse trig function to write theta as a function of x (There is a right triangle drawn. The hypotenuse is 2. Theta is the angle between the base and the hypotenuse. The base/adjacent side of theta is labeled(x + 1) The side opposite theta does not

    asked by Sushmitha
  105. Calculus

    "The production amount, Q, of an item manufactured by a company is modeled by the CobbDouglas function Q = 200(K^0.6)(L^0.4)(T^0.3) where K is the quantity of capital investment, L is the quantity of labor used, and T is the investment in training. Capital

    asked by Brittany
  106. geometry

    elbert wants to plant grass seed in his backyard. His yard is shaped like a rectangle that is 6 meers by 7 meters. He plans to use a cup of seed for every square in his yard. How many cups of grass seed will he need?

    asked by Summer
  107. Statistics

    Given that the mean is 40 and the standard deviation is 1.5: A) what is the probability of selecting a value between 39 and 46 B)what value will allow only 15% of the data to be greater than it

    asked by Glenn
  108. Chemistry

    On the basis of the solubility curve for KNO3 what type of substance would you expect KNO3 to be?

    asked by Anonymous
  109. geometry

    Serena has a square-shaped garden. She wants to put a fence around the outside of the garden. One side of the garden is 8 feet long. How many feet of fence will she need?

    asked by Terry
  110. math

    A quaterlateral with only one pare of parallel sides would be Trapezoid am I correct. Thanks for all your help

    asked by Americal
  111. algebra

    how do i factor 4xx-36?

    asked by sin
  112. math

    help please!!!!!! explain how you would find the length of one side of a square if the area is 36 square units.

    asked by santos
  113. math

    (3xsquared-7x-6)+(2xsquared-4x+1) simplify

    asked by Peezy
  114. Pos/110 american government

    Can someone help please??? 1. Assignment: American Government Concepts • Resources: Chapter 1 of the text lists several key concepts in American government. Among these are government, politics, policymaking system, public policy, democracy, majority

    asked by Ruth
  115. GEOMETRY

    Show how to construct a triangle given the length of one side, the size of an adjacent angle and the length of the median from that angle

    asked by Zahra
  116. math

    Sean's truck has a 12-gallon gas tank. He just put 3 gallons of gas into the tank. Is this equivalent to a third of a tank? if not, what amount of gas is equivalent to a third of a tank?

    asked by Amy
  117. English

    Can you please check these sentences for me? It's really urgent. 1) At eighteen you can get married without your parents' permission. At eighten years of age/When you are eighteen ... (are they both correct?) 2) You can't get married without your parents'

    asked by Mike
  118. Organic Chemistry

    What are the names of the aldol condensation products of acetone + 4-methylbenzaldehyde and acetone + 4-methoxybenzaldehyde?

    asked by Camer
  119. science

    what will happen to a can of coke if it was left in a car on a hot summer day?

    asked by vanessa
  120. Communications

    Explain the impact and use of jealousy in interpersonal relationships.

    asked by Megan
  121. stc

    interpret the poem the lady in the pink mustang

    asked by partner hernandez
  122. world history

    Explain why/how the United States became the world's superpower after WW2. Explain why the United States was better suited for being a global leader.

    asked by Janay
  123. Psychology

    Which item below is most strongly related to cognition and thinking? a) classical conditioning b)behavior modification c) operant conditioning d)obeservational learning

    asked by Paulo
  124. Chemistry

    how to prepare 100 mL of exactly 5.00% (w/w) aqueous hydrogen solution? If given that initial it is 50.0% (w/w) and has density of 1.18 g mL^-1

    asked by Balnur
  125. Physics

    Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.

    asked by Nikki
  126. math

    if you the cosine of a angle can you determine the measure of the angle

    asked by ashley --- HELP PLEASEE!!!
  127. english

    what is the meaning of the quote"Lord protect me from my friends i can take care of my enemies"

    asked by Anonymous
  128. math

    Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x) = -x(^2) + 2 x + 9

    asked by Anonymous
  129. Acid/Base Chem

    Determine the volume (in mL) of 1.18 M perchloric acid (HClO4) that must be added to 747 mL of 0.976 M sodium hydrogen citrate (Na2C6H6O7) to yield a pH of 4.77.

    asked by Sam
  130. Human Resources Management

    Sekect two aspects of a performance appraisal from the list below. Explain what each aspect is. State the effects on employees and employers if the aspects were not addressed. Strategic Relevance Criterion deficiency Criterion contamination Reliability

    asked by Sabrina
  131. 8th grade math

    If two numbers are relatively prime, what is their LCM? Explain your reasoning and give 2 examples supporting your answer.

    asked by HELP
  132. Equivalent art

    What is the the 3 equivalent fractions of 10/24

    asked by Juan
  133. Math

    When you join Sally's Video Club, there is no rental charge for the first 2 tapes. Each tape then costs $2 to rent, but you can borrow one tape free as a bonus after renting 10 tapes. How many tapes would you be able to rent for $50?

    asked by Paige
  134. Math

    What does vertices mean?

    asked by Kristiana
  135. acc

    2,000,000 shares of capital stocks at $3 par value were issued the company issued half of the stock for cash at $8 per share, and earnded $90,000 during the first three months of operation , and declared a cash dividend of $15,000 what would be the total

    asked by vee
  136. macroeconomics

    a description of a specific macroeconomic phenomenon or event and how it has impacted you

    asked by Erica
  137. Statistics

    The scores on the Webster test are approximately normal with u=100 and o=15. The proportion of adults with scores between 90 and 110 is closest to??

    asked by Anonymous
  138. Chemistry

    A student titrates HCl with 0.0125M KOH. Starting with 50.00 ml of the acid it takes 40.0 ml of base to reach equilavence point. A. What is the concentration of the HCl? B. What is the initial pH of the acid solution? C. What is the pH of the reaction

    asked by Joseph
  139. math

    12x^4 _______ 42x

    asked by julie
  140. English

    Unscramble these letters bikfatcrgos to make three words

    asked by Bev
  141. Maths

    What is 5y=9+2y

    asked by Dan
  142. math

    Mrs Nelson has a rectangular flower box that is 5 feet long and 2 feet tall. She wants the width of the box to be no more than 5 feet. If the width is a whole number, what are the possible volumes for the flower box?

    asked by Blake
  143. chemistry

    How many grams of copper will be required to replace silver from 200 mL of 3.00M solution of silver nitrate AgNO3?

    asked by randy ramos
  144. math algebra

    wanted to know if I got the correct answer? question (2a10b2)(3a2b2) answer 6a^12+5a^12b^4+b^4

    asked by SO LOST
  145. science

    which is the correct balanced equation for a given titration process, (a) or (b)? a) 6H+ + 2MnO4- + 3H2O2 -> 4O2 + 2Mn2+ + 6H2O b) 6H+ + 2MnO4- + 5H2O2 -> 5O2 + 2Mn2+ + 8H2O Process: Make a solution in a 100mL volumetric flask using 1g of NaBO3*4H2O, 20mL

    asked by sarah
  146. Discrete Mathematics

    How many elementary operations are used in the following algorithm? Step 1 Set S = a, k = 0 , and t = a Step 2 while k < n (a) Replace t with t+d (b) Replace S with S+t (c) Replace k with k+1 endwhile Step 2 Print S ------------------------ My answer was:

    asked by Compstudent
  147. Math

    how do you solve: m=a+b/2

    asked by Jacob
  148. 4th grade math

    ted is an airline attendant and must wear a uniform to work.he has 3 shirts,4 slacks,and 2 ties from which to choose.how many outfits are possible with these choices?

    asked by megajolt
  149. english

    the verb in this sentence is:After a pronlonged delay due to technical difficulties,the program resumed

    asked by s
  150. English

    I forgot to include the following list of words. Can you just tell me if they are used and if I should include other (more fashionable) clothes? 1) FOOTWEAR: Walking boots, boots, sandals, shoes, slippers, court shoes (AmE pumps), flip flops, slippers,

    asked by Mike
  151. Algebra Please Help

    Can you please give a example so that I can understand it better. 1)How can you tell whether a polynomial is written in factor form. 2)Construct a trinomial whose greatest common factor is 2x^2. 3)Describe the different methods that can be used to find the

    asked by WendyQ
  152. SS

    KOHLER, TOLMAN, AND BANDURA ARE IMPORTANT FIGURES ASSOCIATED WITH?

    asked by JAMIE
  153. physics please!

    hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing through each battery using kirchoffs rules, but now i

    asked by kiksy
  154. geometry

    If a quadrilateral has 4 congruent sides and congruent diagonals. Could it immediately be concluded to be a square?justify the answer. If not was is a counterexample

    asked by BB
  155. Math

    Hi! I'm working on a math assignment and I was wondering if someone could check my math on this. PLZ! Create a model of Tank B. Find the approximate capacity Assuming that the overflow pipe is 100cm below the top of the tank, therefore the revised overflow

    asked by JJ
  156. chemistry

    How would you make 250 ml of a .51M calcium hydroxide solution?

    asked by Anonymous
  157. algebra

    when will train b catch up with train b if train a is traveling 60 mph and passes station at 1:25pm While train b is traveling 80 mph and passes staion at 1:40pm?

    asked by kia
  158. english

    Whats the subject of the following sentence: The sergeant and captain agrees on the strategy to catch the criminal.

    asked by steph
  159. poetry

    What is the author, Andrei Codrescu, trying to saying in "A Leafy Angel?"

    asked by redgy
  160. trig

    secx=5 use a graph to solve the following equation in the interval x is greater than -pie but less than pie

    asked by Courtney
  161. physics

    How much voltage is there in a circuit with a resistance of 12 ohms and a current of 3 amps

    asked by Neice
  162. math 4th grade

    is 80 sq feet the size of a kitchen or is it 8 sq ft

    asked by spencer
  163. 8th grade math

    The denominator of a fraction is 4 more than the numerator. If both the denominator and the numerator are increased by 1, the resulting fraction equals ½. What is the original fraction?

    asked by HELP
  164. Math

    we are working on a puzzle similar to a magic square. 9 boxes are arranged in an X with the center box being shared by both diagonals. the goal is to use each integer 1-9 one time so that each diagonal sums to 26 and the 4 corners sum to 26. HELP

    asked by Chuck
  165. science

    we have a project. there are different kind of topics. mine is protecting our water. i had to find 10 questions answer. i couldn't find 2. they are: 1. why is water important to protect? 2. what are some negative and positive affect of protecting our

    asked by Shweta
  166. chemistry

    whatmass of (NH4)3SO4 is required to prepare 500cm3 of m/4 solution

    asked by kim
  167. maths

    Hi Please can you help? Find the particular solution of the differential equation from dy/dx=2/27(x-3)ã(x^2-6x+23) / (y) (y>0. for which y = 2 when x = 1, and then give this particular solution in explicit form? thank you in advance for any help regards

    asked by Claire
  168. MATH

    A JUMPROPE IS MEASURED BY GRAMS OR KILOGRAMS

    asked by CHRIS
  169. chemistry

    How much 5 M NaOH can be made with 50 gram of NaOH? please show me your steps

    asked by smith Descomb
  170. MATH

    A DICTIONARY,CUBE AND A GEOBOARD IS MEASURED BY GRAMS OR KILOGRAMS

    asked by CHRIS
  171. Introductory Physics

    I am really nervous about mathematics, so I just want to make sure I am doing these problems correctly. I figure if I am getting the incorrect answer, I must be doing them incorrectly and need to work on them some more. I THINK I have them correct, but I

    asked by Cecelia
  172. Earth Science

    Compare the general temperature and direction of flow of the current that flows off the east coast of the United States with the temperature and direction of flow of the current that flows off the west coast of the United States.

    asked by Danielle
  173. PLEASE HELP! Google?

    Sorry I'm posting again. I need to find the obesity rates of the countries Romania, Russia, and Rwanda by gender. (for example ___ percent of Russian women are overweight; _____ percent of Russian men are overweight). I can't find any websites! D: Anny

    asked by Nicki
  174. strayer

    For this Discussion, read the following scenario, and then address the following question in 1–2 paragraphs: For the month of August, 12 new cases of tuberculosis and 12 new cases of West Nile virus infection were reported to a county health department.

    asked by pamela
  175. Math

    Evaluate the identity (cos^2x-sin^2x)/(1-tan^2x)=cosx^2X

    asked by Katelyn
  176. math

    set out in tens and ones 32 + 10 = 43 + 54 = 28 + 61 = 15 + 73 =

    asked by caleb
  177. calculus 2

    integrate x^5/(x^2 + sqrt(2)) using a table of integrals

    asked by Dana
  178. math test prep

    Ms. Snyder wants to buy a television at an electronics store. All televisions at the store are 3 4 of the original price, p . She has a $40 discount coupon she will use during the sale. Which equation should Ms. Snyder use to find the final price, f , of a

    asked by destiny
  179. Music

    What does the G/B chord mean, on guitar? Why is it called G/B?

    asked by Aestas
  180. math

    draw three differentiy shaped cross sections of an ellipsoid

    asked by om
  181. accounting.plz urgent

    If an item is purchased with terms of 2/EOM, n/60, there is a discount for paying within 60 days

    asked by ashh
  182. algebra 2

    (9+4i)+(-13+7i)

    asked by briana
  183. Algebra

    This problem has been very hard for me. I would appreciate it if someone could maybe help.. Solve: 2a - b = ac + 3b for a I came up with a = c + 4b but I really don't know..

    asked by Lace
  184. Math

    What is the probability of drawing a heart or a diamond from a standard deck of 52 playing cards? I got 1/2, is this correct?

    asked by Sammy
  185. math

    sketch the region by the given curves y=1+sqrt(x),y=(3+x)/3

    asked by nungpuy
  186. Teaching Special Education

    (1) Create a PowerPoint presentation (PPT) that defines and describes self-determination. (a) Include the process of teaching self-determination and the outcomes (15 slides required). (b) Cite references in-text (three references required). (c) If

    asked by anissa
  187. Spanish

    can you check the accent marks. First poem No sé qué te diera, por una mirada… un mundo, por una sonrisa… el cielo, por un beso… ay no sé que te diera por un beso second poem Veo la luna y la luna ve a mí Que Dios bendiga la luna, y bendiga

    asked by anon
  188. Math

    Heres a challenge: six students(4 boys and girls) were divided into three pairs. given this information. What is the probability of 2 girls making 1 pair? Express as a common fraction. Oh and please explain!!

    asked by Samantha
  189. math

    ydy+xe^xcos^2ydx=0

    asked by jesmin
  190. computer

    In 256PSK, how many bits will each symbol be able to represent?

    asked by Durgish
  191. math

    Find a ratio that would form a proportion with these ratios: 1) 7/9 2) 4/7 3) 30/36

    asked by Amy
  192. Math

    solve::: A=1/2(a+b)h

    asked by Sara
  193. Geometry

    Find the area of this quadrilateral with the given vertices: A(-8,6) B(-5,8) C(-2,6) D(-5,0)

    asked by shannon
  194. 5th grade input/output

    How do I write the equation for this input 0 2 4 6 8 output 21 19 17 15 13?

    asked by Eric
  195. writing

    Can you check to see if this looks and sounds better please? Dear Jordyn, I am thrilled you’re moving back to town and looking for a job. My boss, Mrs. Cartucci, is seeking a personal assistant to help manage the sales department at JR’s Fashions. The

    asked by jacqui
  196. Math

    do I multiply or divide (in this case by 4 or 2) to find a ratio that would form a proportion with 16/84?

    asked by Amy
  197. science

    what is the difference between kinetic and potential energy in a five sentence summary

    asked by julien
  198. Math

    solve for the conic in the equation y^2-6y+12x+33=0

    asked by Dolly
  199. physics

    (5m/s)t+ (0.75m/s3)t3 what shape is the graph?

    asked by g
  200. English - Native speakers

    Do you write North South East West with a capital letter? Why do you write then: He lives in north London?

    asked by Mark
  201. math

    A tree is 15m tall. If George is looking at the top of the tree at a 15 degree angle and Tina was looking at the tree at a 30 degree angle, how far apart are Tina and George?

    asked by Jessie
  202. chemistry

    How would you make 250 ml of a .51M calcium hydroxide solution?

    asked by Sarah
  203. writing

    I need to know if my paragraph is properly punctuated. Dear Jordyn, I am thrilled you’re moving back to town, and looking for a job. My boss, Mrs. Cartucci, is seeking a personal assistant to help manage JR’s Fashions sales department. The skills

    asked by jacqui
  204. English

    How is the accessory to murder charge processed in the Italian court system?

    asked by T.L
  205. trig

    For which angles ¦È, with 0¡ã ¡Ü ¦È ¡Ü 180¡ã, is sin 3¦È = -1? How do I set this up?

    asked by sejul
  206. math

    3 1/5 x 2 5/6 express in simplest form

    asked by mark
  207. positive psychology

    what are the central themes?

    asked by Anonymous
  208. geometry

    Find sinA to the nearest hundreths side a=7 and side b=5

    asked by Isa
  209. math

    -0.001 is greater than or lesser than -3/100?

    asked by cassandra
  210. algebra

    wat is 3 1/2 as a decimal

    asked by Anonymous
  211. chemestry

    When you lowered the pH of your combined aqueous NaOH extracts, you observed precipitation of benzoic acid. Explain what happened during this acidification and why the precipitation of benzoic acid occurred.

    asked by Ami
  212. geometry

    For questions 1-9, find the surface area and volume of each figure to the nearest tenth.

    asked by yw
  213. math

    how do you find the area of a figure

    asked by paskelly
  214. grammar

    i need help in creating these kid of sentences a) a sentence that expresses uncertainity about a price b) a sentence that contains an abbreviation for a tittle MY SENTENCE: (The BBC provides UK and worldwide weather services.) is it right??? c) a forceful

    asked by plz help
  215. Percentages

    To find out your grade on a calculator? you just divide your score out of the number of questions, right?

    asked by Allyson
  216. writing

    please tell me if this sounds ok. I am responding to the advertisement posted on your website. I understand you are looking to hire a Medical Coding and Billing Specialist at your Voorhees location. I worked as a Repricing Coordinator for almost four years

    asked by jacqui
  217. Chemistry

    A sample if liquid water (30g)heats up from an initial temperature of 20C to 78C. How much energy did it take in?

    asked by Jasmine
  218. Calculus

    Determine the points of inflection of the function. f(x) = x + sin x (−2π ≤ x ≤ 2π) I'm still completely confused

    asked by Starr
  219. ryhme scheme

    6 grade poetry plz help im dislexic and retarted

    asked by papa jack
  220. math algebra

    Would the answer be A(-n)= A-n When doing the product rule? not sure about it help if you can thank you.

    asked by SO LOST
  221. english

    She gave birth to her first child by her uncle at age 14 in 1990. This is showing a sign of being raped. Does this works? The psychologist help Alesha to break through her issues by using cognitive-behavioral therapy. Is "to" necessary or should take it

    asked by Jackie
  222. math

    274 is 25% of what number?

    asked by bob
  223. spanish

    Make the following word agree in spanish: Un ,abuelos ,amables and traslate them

    asked by Jenny
  224. Math

    Isabella is buying clothes. There is an 8% sales tax on the clothes is $147.85. Approximately how much tax must Isabella pay?

    asked by HelpPlease Olivia
  225. chem

    what degree celcius is read when pressure is 100mmHg?

    asked by kim
  226. physics

    how does a cardboard boat float?

    asked by ashley --- HELP PLEASEE!!!
  227. Science

    A (blank) compound is one that burns regularly

    asked by Bob
  228. english

    what are some human rights

    asked by Shweta
  229. Social Studies, English

    I need to find the obesity rates of the countries Romania, Russia, and Rwanda by gender. (for example ___ percent of Russian women are overweight; _____ percent of Russian men are overweight). I can't find any websites! D: Anny help would be appreciated.

    asked by Anonymous
  230. English (Syllogisms)

    Syllogisms-Which are valid? Correct the invalid ones. Brain Surgeons save lives. Marie is a brain surgeon. Therefore, Marie saves lives. An English Bulldog is a dog. All dogs have four legs. Therefore, English Bulldogs have four legs. All humans grow. All

    asked by Roger
  231. Math

    A carpet cleaner can be rented for a fee of $55 plus $5 per hour. If you rent the carpet cleaner for 3/4 of a full 8- hour workday, how much money will you be charged?

    asked by Ally
  232. UOP

    HOW HAS HUMANS AFFECTED THE ANTARCTIC FOOD WEB I am a tax preparer and got swamped, now My paper is so late. Help, this is case we have to analyze. 700-to-900 word analysis of the case at bottom and these questions in the analysis: o Identify any

    asked by BEA
  233. math

    For which angles beta, with 0 degrees less than/equal to beta less than/equal to 180 degrees, is sin 3beta equal to -1? a) 30 degress and 150 degrees b) 60 and 120 degrees c) 90 degrees d) 0 and 120 degrees I think it is C because sin of (3 x 90 = 270) 270

    asked by Sejul
  234. math

    what is 24\11 times 21\2

    asked by Anonymous
  235. Literature julius Caesar

    What are 3 purposes for shakespeare showing us scene 3. Consider antonys speech, what is likely to occur in the rest of the play, and the role of language in politics. any good ideas? thanks

    asked by Gabrielle
  236. Vancouver

    Are there monuments in Vancouver? Would these be considered as monuments? The Stanley Park Granville Island Robson Street

    asked by Alice
  237. math

    what square number is less than 64 but greater than 36? write a multilication sentence to solve.

    asked by carli
  238. physics

    It takes 15 seconds for a wave to pass a buoy 25 meters from shore. If its wavelength is 30 meters, what is its speed.

    asked by k
  239. math

    8x+16÷x^(2)-1 . x+1÷4x+8

    asked by k
  240. math

    Which is bigger 98in. or 5yd.

    asked by Shay
  241. math

    help !! the area of a rectangle is 56 square inches. the width of the rectangle is 7 in. what is the length??

    asked by santos
  242. Com/155

    Explain why using pronouns may help make your writing more effective?

    asked by Monica
  243. adult developement

    After combing through the research on twin studies, one could conclude that

    asked by Anonymous
  244. physics

    hi im trying to do a problem that involves multiple battereis, one capacitor,and multiple resistors, and im told that the circuit has been connected for a very long time... i found the current passing through each battery using kirchoffs rules, but now i

    asked by APpreciative student
  245. Physics

    How do you show that the kinetic energy is equal to the atoms rest energy when its velocity equals .886 times the speed of light? Thanks in advanced!

    asked by Barbra
  246. English

    Can you please check these few sentences, please? Thank you. I'm not sure about the paraphrasis of a Will Smith's song. 1) The members of Sinn Fein protested (I need a synonym) about the discrimination against Catholics. 2) Heavy bomber raids continued on

    asked by Mike
  247. grade 7 math

    how can you figure out the length of a shadow if you walk closer to a lamppost?

    asked by melissa
  248. physics

    A freight train has a mass of 1.5 × 107 kg. If the locomotive can exert a constant pull of 4.9×105 N, how long does it take to increase the speed of the train from rest to 74 km/h? Answer in units of min.

    asked by jenn