Questions Asked on
April 23, 2012

  1. chemistry

    an unsaturated solution is made by completely dissolving 20.0 grams of NaNO3 in 100.0 grams of water at 20.0 degrees celcius. show a corrct numerical sat up for calculating the number of moles of nano3(gram-formula mass = 85.0 grams per mole) used to make

    asked by nicole
  2. General Chemistry

    Silver chloride has a larger Ksp than silver carbonate. Does this mean that AgCl also has a larger molar solubility than Ag2CO3?

    asked by Chemistry help needed
  3. physics

    A certain dog whistle operates at 23.5 kHz, while another (brand X) operates at an unknown frequency. If neither whistle can be heard by humans when played separately, but a shrill whine of frequency 9200 Hz occurs when they are played simultaneously,

    asked by Drew
  4. Physics

    Viscous blood is flowing through an artery partially clogged by cholesterol. A surgeon wants to remove enough of the cholesterol to double the flow rate of blood through this artery. If the original diameter of the artery is D , what should be the new

    asked by Melissa
  5. physics

    the steam point and ice point of a mercury thermometer are wrongly marked as 92 degree Celsius and 2 degree Celsius respectively.the correct temperature read by this thermometer is?

    asked by ashu
  6. physics

    A hot iron horseshoe (mass = 0.43 kg), just forged (Fig. 14-16), is dropped into 1.60 L of water in a 0.26 kg iron pot initially at 20°C. If the final equilibrium temperature is 26°C, estimate the initial temperature of the hot horseshoe. Could someone

    asked by Julie
  7. physics

    A person walks 1 mile every day for exercise leaving her front porch at 9:00 am and returning to her porch at 9:25 am what's the total displacement of her daily walk?

    asked by Julia
  8. business Maths

    On September 14, Jennifer Rick went to Park Bank to borrow $2,500 at interest. Jennifer plans to repay the loan on January 27. Assume the loan is on ordinary interest. Refer to Days in a year table. (a) What interest will Jennifer owe on January 27? (Use

    asked by Ekanki
  9. statistics

    The probability that a house will develop a leak is 5%. If 20 house holds are randomly selected, what is the mean number if houses that developed leaks?

    asked by Anonymous
  10. chemistry

    What is the density of propane (CH3CH2CH3) gas at 25°C and 65.0 cm Hg? (1atm=76 cm Hg)

    asked by GIGI
  11. physics

    A 2.8 kg rectangular air mattress is 2 meters long,.5 meters wide, and .1 meter thick what mass can't support 50% submerged.

    asked by katie
  12. business Maths

    Gordon Rosel went to his bank to find out how long it will take for $1,900 to amount to $2,420 at 7.8% simple interest. Please solve Gordon’s problem. (Round your answer to 1 decimal place.)

    asked by Ekanki
  13. chemistry(Please Check)

    CaCl2(aq)+Na3PO4(aq) -----------> Ca3(PO4)2(s) +NaCl(aq)4) If the “H” for this reaction is -45.5 kJ/mol, is the reaction endo- or exothermic? Exothermic

    asked by Wurola
  14. physics

    A proton moves in a constant electric field E from point A to point B. The magnitude of the electric field is 4.2 x10^4 N/C; and it is directed as shown in the drawing, the direction opposite to the motion of the proton. If the distance from point A to

    asked by Anonymous
  15. Chemistry(Please check answers)

    1) For a reaction delta Go is more negative than delta Ho. What does this mean? a. delta So is zero. b. delta So is negative c. delta So is positive d. delta So is negative if delta Ho is positive. e. delta So is negative if delta Ho is negative. I think

    asked by Hannah
  16. math

    A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.

    asked by Sally
  17. Social Studies 7R - Q3

    Comprehension 5. (a) What was the purpose of the Embargo Act? (b) Why did it fail? Answer (a) - The purpose of the Embargo Act is when the Embargo Act forbade Americans to export or import goods. Answer (b) - The reason why it fails is because the embargo

    asked by Laruen
  18. calculus

    rewrite the expression in terms of the first power of the cosine. sin^8x

    asked by CLF
  19. mosinee

    Jane Hilman went to her bank. She had a balance of $1,009.88 in her savings account. She withdrew $130.00 and the teller credited her account with $6.19. What is her new balance?

    asked by kay
  20. math

    rectangular cake pans X and Y are similar. The ratio of the width of pan X to the width of pan Y is 3:4. the length of pan X is 10 inches and its width is 5 inches. what is the perimeter of pan Y.

    asked by Eurie
  21. Algebra

    A bakery packages cookies in two sizes of boxes, one with 18 cookies and the other with 24 cookies. A small number of cookies are to be wrapped in cellophane before they are placed in a box. To save money, the bakery will use the same size cellophane

    asked by Nicole
  22. AP Chemistry

    What is the pH of a .20M HA solution (Ka=1.0x10^-6) that contains a 0.40M NaA?

    asked by Liz
  23. physics

    A person walks 1 mile every day for exercise leaving her front porch at 9:00 am and returning to her porch at 9:25 am what's the total displacement of her daily walk?

    asked by Julia
  24. Chemistry

    Calculate the cell potential for this voltaic cell at 298K if it is constructed using solutions of .25M Ni(NO3)2 and .01M Cu(NO3)2 Any explanation would be spectacular

    asked by Ethan
  25. Business Maths

    Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 20. She sent the payment November 12. The IRS sent her a penalty charge of 10% simple interest on the unpaid taxes of $4,600. Calculate the penalty. (Remember

    asked by Ekanki
  26. SS7R - Worksheet

    Is there a website that tell all things that are invented like a thread-spinning mill, metal plow, a telegraph, etc. That also tells who invtented it. I have a worksheet that says that I have to write the inventer (builder) who invented blah blah blah blah

    asked by Laruen
  27. Algebra 2

    Ann wants to plant a rectangular garden next to a straight river. She has 120 feet of fencing and will not fence the side of the garden next to the river. What dimensions will produce the largest garden?

    asked by Carolyn
  28. Chemistry

    what are the rules used to determine the solubility of salt?

    asked by Kelly
  29. Physics

    A merry-go-round with r = 4m and a perfect frictionless bearing is pushed with a force of 24 N by a young girl. She pushes with a constant force that is oriented tangentially to the edge of the merry-go-round. After she pushes the merry-go-round through 14

    asked by Charlie
  30. business Maths

    Lane French had a bad credit rating and went to a local cash center. He took out a $103 loan payable in five weeks at $123. What is the percent of interest paid on this loan? Do not round denominator before dividing. (Use calendar year. Round your answer

    asked by Ekanki
  31. Physics. PLEASE HELP!!

    Two ice skaters hold hands and rotate, making one revolution in 7.6 s. Their masses are 15 kg and 50 kg, and they are separated by 4.6 m. Find the angular momentum of the system about their center of mass. Answer in units of J · s Find the total kinetic

    asked by Amber
  32. math

    a pole leans away from the sun at an angle of 7 degrees to the vertical. when the elivation of the sun is 48 degrees the pole cast a shadow of 41ft long on level ground. how long is the pole?

    asked by Anonymous
  33. Chemistry

    Find the molecular formula of a compound that is 48.38% carbon, 8.12% hydrogen, and 53.5% oxygen by mass and has a molecular weight of 328 g/mol.

    asked by Jo
  34. Chemistry

    A solution contains 0.55 g of dissolved Sn 4+ ions. How many grams of Na2CO3 must be added to the solution to completely precipitate all of the dissolved Sn4+?

    asked by Anna
  35. Chemistry

    What is the compound name for Sb2(CrO4)5? This is the only question I am having trouble with.

    asked by Cathy
  36. Calculus

    A cattle rancher wants to enclose a rectangular area and then divide it into six pens with fencing parallel to one side of the rectangle (see the figure below). There are 480 feet of fencing available to complete the job. What is the largest possible total

    asked by Marie
  37. Business Maths

    Joy Kirby made a $320 loan to Robinson Landscaping at 11%. Robinson paid back the loan with interest of $7.04. How long in days was the loan outstanding (assume 360 days)? (Round your answer to the nearest whole number.)

    asked by Ekanki
  38. Chemistry

    AgCl is often used in silver plating and contains 75.27% Ag by mass. Calculate the mass of AgCl required to plate 155 mg of pure silver?

    asked by nailea
  39. chemistry

    What is the solubility of AgCl when it is in a solution of 0.15 M NaCl? (AgCl has Ksp = 1.8 x 10-10.) Make a reaction table. Include rows for initial concentration, change in concentration, and equilibrium concentration. Write down the equation for the Ksp

    asked by Anonymous
  40. chemistry

    1 _____is defined as one-half of the distance between the nuclei of two adjacent metal atoms in the close packed crystal lattice ionic radius metallic radius covalent radius atomic radius 2 Except for rubidium and caesium, all common cations are smaller

    asked by mike
  41. Social Studies

    Where were the original Olympic games held?

    asked by Rezu
  42. chemistry

    A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant?

    asked by devin
  43. Social Studies

    Where were the original Olympic games held?

    asked by Rezu
  44. Geometry

    The area of a trapezoid is 80 square units. If its height is 8 units, find the length of its median.

    asked by Meredith
  45. Life oriantation

    I choose xenophobia and discuss 5 ways in wich the human or enviromental problem impacts on the community

    asked by Lerato
  46. Chemistry

    The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 6.0 moles of the following: Carnotite; K2(UO2)2(VO4)2*3H2O Uranophane; CaU2Si2O11*7H2O Autunite; Ca (UO2)2(PO4)2*10H2O

    asked by Tiffany
  47. chemistry

    3CaCl2+2Na3PO4 -----------> 1Ca3(PO4)2+6NaCl Did I correctly balance this equation?

    asked by Wurola
  48. Physics

    A uniform rectangular sign of width 47.6 cm, height 25.0 cm, and negligible thickness hangs vertically from supporting hinges attached at its upper edge. Find the period of small-amplitude oscillations of the sign.

    asked by Alex
  49. biology

    two natural and two man-made causes for sulfur dioxide and nitrogen oxides in the atmospher

    asked by Anonymous
  50. business Maths

    On September 20, Jody Jansen went to Sunshine Bank to borrow $3,900 at 5% interest. Jody plans to repay the loan on January 27. Assume the loan is on ordinary interest. (Use table value) (a) What interest will Jody owe on January 27? (Use 360 days a year.

    asked by Ekanki
  51. Chemistry

    A 15mL sodium hydroxide solution of unknown concentration is titrated with 34.5 mL of 1.2M HCl solution. What was the concentration of the sodium hydroxide solution?

    asked by Jo
  52. chemistry(please check)

    Just made it a new post didn't what it to get overcrowning.I hope this will help us figure out now For questions #1 through #10, refer to the following equilibrium system, with a Kc of 1.23E-03: C3H6O (aq) + 2C2H6O(aq)----> C7H16O2 (aq) + 2H2O (l) 1. What

    asked by cateye
  53. math - Help

    The value of a $20,000 car decreases every year, t. The equation below model this situation. 20,000(1-0.04t) = 13,000 How many years will the car be worth $13,000? Round to the nearest tenth if necessary. I got 20,000(.96t)= 13,000, but I don't believe

    asked by Jane
  54. Business Maths

    Carol Miller went to Europe and forgot to pay her $750 mortgage payment on her New Hampshire ski house. For her 45 days overdue on her payment, the bank charged her a penalty of $16. (assume 360 days). What was the rate of interest charged by the bank? (Do

    asked by Ekanki
  55. business Maths

    Bill Moore is buying a used Winnebago. His April monthly interest at 10% was $128. What was Bill’s principal balance at the beginning of April? (Use 360 days a year. Do not round intermediate calculations. Omit the "$" sign in your response.)

    asked by Ekanki
  56. Physics

    A certain dog whistle operates at 23.5 kHz, while another (brand X) operates at an unknown frequency. If neither whistle can be heard by humans when played separately, but a shrill whine of frequency 9200 Hz occurs when they are played simultaneously,

    asked by Zach
  57. Physics

    A small 0.499 kg object moves on a frictionless horizontal table in a circular path of radius 0.96 m. The angular speed is 6.37 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

    asked by Daniel
  58. Science

    Roger made a mixture of salt and sand.Which of the following procedures explains the easiest way to separate the mixture? A.Pour the mixture into a glass of water and stir it until the salt dissolves.Pour the micture through a filter.Evaportate the water.

    asked by Rezu
  59. Chemistry

    Given the balanced equation N2(g)+3H2(g)==>2NH3 Calculate: a)the volume H2 that reacts with 12L of N2 b)the volume of NH3 produced Iron 4L ofN2 c)the volume of N2 and H2 to produced 60L of NH3 Assume that all volume measurements are made under identical

    asked by faisal
  60. business Maths

    Leslie Hart borrowed $15,900 to pay for her child’s education at Riverside Community College. Leslie must repay the loan at the end of 6 months in one payment with interest. (a) How much interest must Leslie pay? (Do not round intermediate calculation.

    asked by Ekanki
  61. Math

    Steinwelt Piano manufactures uprights and consoles in two plants, Plant 1 and plant 2. the output of plant 1 is at most 300/month, and the out put of plant 2 is at most 250/month. theses pianos are shipped to three warehouses that serve as distribution

    asked by Terri
  62. chemistry(Please Check)

    You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank, and measure the pressure of the gas. At what temperature, in Celsius, would you read a pressure of 4.5 atm ? 298

    asked by Wurola
  63. Physics

    A 10 kg monkey wishes to climb a 7.15-meter high vine. The vine will break if the tension exceeds 110 N. The monkey starts from rest and exerts a constant force on the rope as he pulls himself upward. What is the shortest amount of time in which the monkey

    asked by Charlie
  64. Algebra

    Window World, Inc. is responsible for designing windows for the expansion of the campus chapel. The current design is shown in the figure. The metal trim used to secure the perimeter of the frame is 126 inches long. If the maximum window area is desired,

    asked by Sam
  65. Physics

    A 1.55 kg mass attached to a spring oscillates with a period of 0.375 s and an amplitude of 16.5 cm. Find the total mechanical energy of the system Find the maximum speed of the mass

    asked by Alex
  66. Physics

    A(n) 0.187 kg baseball is thrown with a speed of 29 m/s. It is hit straight back at the pitcher with a final speed of 22.3 m/s. What is the magnitude of the impulse delivered to the ball? Answer in units of kg · m/s

    asked by Sarah
  67. Chemistry

    Consider the reaction MnO2+4HCL===>MnCl2+Cl2+2H2O How many grams of MnO2 are required to produce 5.6 of Cl2 at stp?MnO2=87

    asked by faisal
  68. Physics

    A small 0.499 kg object moves on a frictionless horizontal table in a circular path of radius 0.96 m. The angular speed is 6.37 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the

    asked by Daniel
  69. trigonometry

    Find the general solution for f(x) = 27 tan^2 x-9=0

    asked by lindsay
  70. Resultant Force?

    a force F1 of 35 newtons pulls at an angle of 15 degrees notrth of due east. A force F2 of 75 newtons pulls at an angle of 55 degrees west of due south. Find the magntiude and direction of the resultant force. Please help me - I have no idea what to do or

    asked by Tabby
  71. Chemistry

    Calculate the number of moles of Co^+2 are there in the equation Co(H2O)6^+2 +4Cl CoCl4^-2 +6H2O? I had found in the previous question the number of moles of CoCl2*6H2O and I'm not sure but I believe the moles of CoCl2*6H2O are the same as CO^+2.

    asked by Cheallaigh
  72. Child Development

    When both parents believe that men are capable of nurturing infants a. mothers devote time to caregiving b. fathers devote less time to caregiving c. fathers devote more time to caregiving d. the marital relationship tends to suffer, particulary when me

    asked by Elizabeth
  73. Chemistry

    What is true about a system in chemical equilibrium? No reactants remain in the system. There are no products in the system. The amount of product equals the amount of reactant. The amount of reactant changes, but over time remains about the same.

    asked by Viola
  74. algebra

    If a car leaves a skid mark of 500 feet, how fast was the car traveling? Using the formula r=2ã5L

    asked by Coach
  75. Physics

    Find the length of a simple pendulum that completes 17.0 oscillations in 35.0 s.

    asked by Alex
  76. Physics

    A uniform rectangular sign of width 47.6 cm, height 25.0 cm, and negligible thickness hangs vertically from supporting hinges attached at its upper edge. Find the period of small-amplitude oscillations of the sign.

    asked by Alex
  77. math

    A man 1.7m tall observe a bird on top of a tree at angle of elevation of 40degree. If the bird distance between the man's head and the bird is 25m, what is the height of the tree?

    asked by Kaylie
  78. math

    Can you work this problem 6yd 2ft +7yd 1ft

    asked by Mom
  79. pre-calculus help:((((((((

    how do u find period, all angles and name 8 angles for these???????? 1)cosxcos2x+sinxsin2x=sqrt(2)/2 2)5cosxsinx+2cosx=0

    asked by Katy
  80. Chemistry

    How many grams of sodium-hydroxide will react with 49g of phosphoric acid? H3PO4=98g/mol,NaOH=40/mol.The equation is:3H2O+Na3PO4

    asked by faisal
  81. trigonometry

    two pieces of wire stretched from the top, M of a vertical pole to the points L and N on the horizontal ground. the angle of depression of L from N =65 degrees. N is on the opposite side of the pole(from left)at an angle of depression of 72 degrees from M.

    asked by lindsay
  82. 3 grade english ms sue

    the topic is what a piece of writing is about. the main idea is the most important idea about the topic. details are small pieces of information that tell more about the main idea. directions read the following passage. then answer the questions below.

    asked by dw
  83. chemistry(Please Check)

    You dissolve 6.55 g of potassium nitrate in enough water to make a 250. mL solution. What is the molarity of this solution ?Answer: 0.0262 Please Check my answer

    asked by Wurola
  84. magnstism

    To calculate power, multiply voltage measured in ---- by ---- measured in amps.

    asked by lilman
  85. world history

    Plato rejected democracy because of the execution of Socrates. Why did Plato's student, Aristotle,rejected democracy? A. He felt reason should be left to politicians,not the people. B. He thought it would lead to mob rule. C. He distrusted a single,strong,

    asked by ciara
  86. Chemistry(Please Check)

    You dissolve 6.55 g of potassium nitrate in enough water to make a 250. ML solution. 1.What is the molarity of this solution?answer:0.0262 2.If you took out 15.0 mL of this solution, how many moles of potassium nitrate would you have?answer:0.393 3. What

    asked by cateye
  87. physics

    A Foucault pendulum with a length of 7.5 m has a period of 5.4 s. What is its frequency? What is its frequency in Hz?

    asked by michelle
  88. math

    How much money should be invested today in order to have $100,000 in an account after 40 years if the rate is 6.8% compounded quarterly?

    asked by james
  89. Statics

    A solid, round simply supported steel shaft has a diameter of 25mm and span length of 500mm. The shaft supports a concentrated load of 3kN at midspan. Calculate the maximum deflection of the shaft.

    asked by Mary
  90. Chemistry

    A 12 mL sample of 0.4 M silver nitrate solution is mixed with 8 mL of 0.8 M sodium chloride solution. Determine the identity of precipitate and the number of grams produced.

    asked by Jo
  91. physics

    The temperature of 2.10 mol of an ideal monatomic gas is raised 17.0 K in an adiabatic process. What are (a) the work W done by the gas, (b) the energy transferred as heat Q, (c) the change ΔEint in internal energy of the gas, and (d) the change ΔK in

    asked by Anonymous
  92. english

    I will never forget a time I lost something important when I was in high school. 1. It was seven years ago when I was in ninth grade in my home country. 2. My parents gave me some money every month for to buy lunch and school supplies. 3. That money put in

    asked by hardik
  93. Chemistry(Please help)

    1) Nitrosyl chloride (NOCl) decomposes at high temperature. The equation is 2 NOCl (g) -> 2 NO (g) + Cl2 (g) at 227oC Using delta Ho = 81.2 kJ and delta So = 128 J/K, calculate the value of the equilibrium constant for this reaction. I do not know how to

    asked by Hannah
  94. Help

    Avery has a three week vacation. He plans on driving a total of 4,898 miles. About how many miles should he average per day? As it turned out he spent 5 hours a day driving and drove a total of 5,565 miles. What was his average speed for the hours he

    asked by Jenny
  95. math

    a rectangular tank has the measurement 60cm wide and 2000cm2 water flows into the tank at the rate of 8 liters per minutes how long will it take to fill the tank?

    asked by john
  96. Trigonometry

    A ladder leaning against a building makes a 40 degree angle with the ground. The top of the ladder reaches 10 feet above the ground. How tall is the ladder to the nearest whole foot?

    asked by Jessica
  97. History

    The roots of the Iranian hostage crisis resided in: 1. Jimmy Carter’s emphasis on human rights. 2.the Shah of Iran’s despotic regime. 3.economic inflation in the United States. 4. America’s isolationist stance in foreign affairs. I think it's either

    asked by Mary
  98. Chemistry

    What is the concentration of chloride ions (in) in a solution prepared by adding 0.075 moles of calcium chloride to 425 mL water,assuming no volume change up on mixing? Thanks!

    asked by Wendy
  99. Chemistry

    Xylose, a sugar isolated from wood, has the empirical formula CH2O. If a 6.25 mole sample of xylose has a mass of 938.3 g, what is xylose's molecular formula?

    asked by Margie
  100. calculus

    A balloon is being filled at a rate of 4000 cm^3/min. How fast is the surface area of the ballon increasing when the radius is 125 cm? V=4/3pir^3, SA=4pir^2

    asked by Drew
  101. Business Maths

    May. 10, 2010, Leven Corp. negotiated a short-term loan of $705,000. The loan is due Oct. 2, 2010, and carries a 7.06% interest rate. Use ordinary interest to calculate the interest. What is the total amount Leven would pay on the maturity date?(Use table

    asked by Ekanki
  102. Math

    I need some help with this problem please!! your parents are installing a rectangular in-ground pool with the dimensions 24 feet by 10 feet. They decide to place a walkway around the pool 3 feet wide. What is the area of the proposed walkway? Answers: a.)

    asked by Taylor Leigh
  103. physics help!

    I don't get this problem! Please show work. Thanks!! The de Broglie wavelength of a proton in a particle accelerator is 3.60 x 10^-14 m. Determine the kinetic energy (in joules) of the proton.

    asked by Jessie
  104. Algebra 1

    A right triangle has a base measuring 5 centimeters & a height of 12 centimeters. By what amount will the area of this triangle increase if both the base length & the height are tripled? Answers: a.) 240 square centimeters b.) 270 square centimeters c.)

    asked by Taylor Leigh
  105. physics

    A cylindrical brass container with a base of 80.0 cm^2 and height of 20.0 cm is filled to the brim with water when the system is at 25.0° C. How much water overflows when the temperature of the water and the container is raised to 96.1° C? (The

    asked by Romy
  106. chemistry

    What is the volume of 2.8 × 106 molecules He? Answer in units of L

    asked by please help
  107. English (curious question)

    On my ELA exam which was SOOOOOOO EASY it says something about a black smith (a little biography about a blacksmith person) what's a blacksmith????

    asked by Laruen
  108. Algebra 2

    Farmer Jones wants to build a recangular pen with three equalparts. He has 200 feet of fencing. What dimensions willproduce the largest pen?

    asked by Carolyn
  109. physics

    Q: AN OBJECT IS MOVING PAST YOU IN A STRAIGHT LINE WITH A CONSTANT SPEED. YOU CAN CONCUDED A. THAT THERE IS A CONSTANT FORCE IN THE DIRECTION OF MOTION B. THAT THERE ARE NO FORCES ACTING ON THE OBJECT C. THAT THE NET FORCE ON THE OBJECT IS ZERO D. NONE OF

    asked by JACOB
  110. chemistry

    By titration it is found that 66.1 mL of 0.125 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentration of the HCl solution.

    asked by trae
  111. 6th G-Math

    Which table (A or B) matches this description: When the input is 0, the output is 0. As the input increases by 1, the output increases by 6. Table A Input Output 0 0 1 6 2 12 Table B Input Output 0 0 1 6 2 36

    asked by Lauren
  112. math

    a cubical container is half filled with water if the volume of water in the container is 500cm3 find the length of one edge of container?

    asked by john
  113. vet asst.

    which of the following is true of a smooth muscle? A. IT CAN'T MAINTAIN A STEADY STATE OF CONTRACTION B. SMOOTH MUSCLE CAN SOFTEN MORE RELATIVE TO ITS LENGTH COMPARED WITH STRIATED (SKELETAL) MUSCLE C. SMOOTH MUSCLE CAN'T MAINTAIN AN EVEN AMOUNT OF TENSION

    asked by Marsha
  114. statistics

    A test has a mean of 104 and a standard deviation of 16. We want to be 98% certain that we are within 4 points of the true mean. Determine the sample size.

    asked by Sabrina
  115. Chemistry(Please check answers)

    1) The standard molar entropy value of N2 (g) is 191.5 J/K-mol, of O2 (g) is 205.0 J/K-mol and of NO2 (g) is 240.0 J/K-mol. From these values we can calculate the Delta So for the reaction N2 (g) + 2 O2 (g)-> 2 NO2 (g) to be? I did products - reactants

    asked by Hannah
  116. accounting

    The market interest rate for Christian Charities is 8% on January 1, 2008. On that day, Christian Charities issued the following bonds. A. $500,000 7-year 7% bond B. $300,000 10-year 9% bond For both bonds, interest is paid semiannually on June 30 and

    asked by kayla
  117. Physics. PLEASE HELP!!

    A force F=Fx ˆi + Fy ˆj + Fz ˆk acts on a particle located at X= (x, y, z). Given Fx=−88.3N, Fy=7.56N, Fz=60N, x= −3.65m, y=1.67m and z=7.03m, calculate the three components of the torque vector ~ = xˆi + y ˆj + z ˆk . First, calculate the x

    asked by Amber
  118. Chemistry

    I need to calculate the value of Kp at 25 degrees celsius using the delta Go value. Delta Go = -29.10kJ I know that Delta Go = -RT lnK and that R=8.314e-3kJ/K mol -delta Go / RT I did -29.10 / 8.314e-3 X 298K and -11.74 but this was wrong. I am stuck. What

    asked by Hannah
  119. Social Studies 7R - Q2

    2. Critical Thinking - Why did us exports increase dramatically between 1803 & 1807? Answer - The embargo hurts America that's how exports increase dramatically between 1803 & 1807. am i correct???? i had been kind of having trouble with this question

    asked by Laruen
  120. trigonometry

    Hal walked from point A to point B due north east from a distance of 20m. He immediately changed direction and walked 50m from B to C on a bearing of 110 degrees. 1. calculate the distance AC 2. Find the bearing of C from A

    asked by lindsay
  121. statistics

    hat fraction of mowers fails the functional performance test ? whar is the probability of having X failures in next 100 mowers tested

    asked by Anonymous
  122. chemistry

    if Kf for water is 1.86 geg mol-1, a 0.1m solution of NaCl in water will have freezing point of

    asked by pratik
  123. chemistry

    A sample of oxygen at 25 degrees C occupies 697 mL. If this sample later occupies 1062 mL at 55 degrees C and 1.3 atm, what was its original pressure? Answer in units of atm

    asked by please help
  124. magnetism

    How can a permanent magnet be demagnetized? cut the magnet in half heat the magnet up (my choice) strike the magnet with a heavy blow both the second and third choices above

    asked by lilman
  125. chemistry

    Does an insoluble solid dissociate into ions? Is the reaction reversible? Will an equilibrium reaction form when a chemical reaction forms an insoluble solid? Why, or why not?

    asked by Anonymous
  126. chemistry

    Explain why a buffer made of equal concentrations of HF and F- does not change in pH when a small amount of HCl (a strong acid) is added to the solution. Does the HCl dissociate into ions when it is added to the solution? What do the hydrogen ions react

    asked by Anonymous
  127. algerbra

    Donna deposits into an account that pays simple interest at a rate of 5% per year. How much interest will she be paid in the first 6 years?

    asked by dani
  128. Business Math

    Margie Pagano is buying a car. Her June monthly interest at 12.5% was $201. What was Margie’s principal balance at the beginning of June? (Use 360 days a year. Do not round intermediate calculations. Do not round the denominator before dividing. Round

    asked by Ekanki
  129. Thermodynamics

    A heat pump works on the vapor compression refrigeration cycle with 0.2 kg/s of refrigerant-134a as the working fluid. The cycle is used to keep a house at 26oC while absorbing heat from the outside at 3oC. R-134a enters the compressor at 200 kPa as a

    asked by S
  130. science

    CO3 2- +MnO4- ---->??

    asked by Anion equation
  131. Math Help

    {Y= 3x Y-x=4 So far I have done this. Please tell me the next steps. Thank you. X=Y-4 Y=3(4-Y) Y=12-3Y

    asked by Urgent PleaseHelp
  132. Math

    I have trouble with math, I'm very good at science and when I grow up I want to be a zoologist, the problem is that. MATH I try to pay attention at school but the teacher is very boring and I'm one of those people that can't pay attention when bored. Any

    asked by Emmanuel
  133. chemistry

    Please check this for me..thank You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank and meaurse the pressure of the gas. 1.If you immersed in this solution a semi-permeable sack containing another solution of

    asked by cateye
  134. Standard Error Of Mean?

    In a random sample of 30 tires of the same type, it is found that the average life span of a tire is 36,200 miles with a standard deviation of 3,800 miles. Find the standard error of the mean. a 126.67 b 693.78 c 9.53 d 587.24

    asked by Help Please?
  135. Math

    By what factor should each edge of a cube be increased in order to increase its volume by a factor of 27? a.) 27 b.) 9 c.) 3 d.) 2

    asked by Taylor
  136. Sociology- Help Is Needed Please

    Hi, I'm totally lost with this assignment and don't know where to start at with this assignment. I know I'm in Group B will argue against the use of culture as a defense. Can someone please give me advice on how to do this assignment any help will be

    asked by TEE
  137. english

    The procession was temporarily abolished because of the emperor’s interest in _____ (1 point)

    asked by jessica
  138. Science

    Water pollution is harming an ecosystem.Many of the organisms that once lived in the ecosystem moved to a new area.The organisms have moved because if they stayed they would most likely- A.thrive B.become ill or perish C.reproduce more frequently D.create

    asked by Rezu
  139. Langauge Arts

    Having trouble deciding when to use a comma and when not to with the word "also". In the sentence "He also received money as gifts from his aunt grandparents and parents." Would the commas go after "aunt" and "grandparents"? I dont' think you need one

    asked by Brandi
  140. Business Maths

    Margie Pagano is buying a car. Her June monthly interest at 12.5% was $201. What was Margie’s principal balance at the beginning of June? (Use 360 days a year. Do not round intermediate calculations. Do not round the denominator before dividing. Round

    asked by Ekanki
  141. algebra

    the student store sells schools supplies,hats,and t-shirts with NAMS printed on them.The person who counted the hats and t-shirts can't remember exactly how many of each there were but he does remeber these 2 facts: -there were four times as many t-shirts

    asked by Matt
  142. Chemistry

    .50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help) - Reiny, Tuesday, April 17, 2012 at 3:18pm You probably

    asked by Hannah
  143. english

    write whether the words in parentheses show compound subject(CS), compound verb(CV),or independent clauses (IC). 1)Latisha (called me after school)IC ,and (asked for help with her project) IC. 2)(I met her at the library), IC and (we went over the

    asked by joseph
  144. business Maths

    The main concept to investing is diversify your investments. The old saying of “don’t put all of your eggs in one basket” exemplifies this concept. Kerry Stutsman has saved $2,400 and is wondering how to invest it. She was researching different

    asked by Ekanki
  145. Algebra 1

    Please Help Me!! "Crown Molding' is a decorative strip of wood around the walls up by the ceiling of a room. How many linear feet of crown molding will Kentaro need for the 4 walls of his rectangular bedroom, which is 12 feet by 10 feet? Answers: a.) 44

    asked by Taylor Leigh
  146. Chemistry

    A sample of Ba3(PO4)2 contains 14.5 g of O. How many g of Ba are in the sample?

    asked by anonymous
  147. Math

    A committee is to be chosen from a group of 11 women and 14 men. How many ways can they select a president, treasurer, and secretary, if the treasurer and secretary must be males? No person can serve in more than one position. Show work to support your

    asked by Anonymous
  148. Astronomy

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  149. physics

    A child plays on a bungee cord and oscillates with a certain frequency f. An adult with a mass that is 17.8 times greater than that of the child then uses the same bungee cord. What is the ratio of the frequency with the adult to the frequency with the

    asked by Anonymous
  150. Life oriantation

    Discuss 5 ways in wich the human or enviromental problem of xenophia

    asked by Lerato
  151. Math Help

    This is a substitution equation. Would that change the steps that you did? Y=3x+1 Y=5x-3 Answer says x=-2 and y=7 Please explain steps. Thanks math help - MathMate, Monday, April 23, 2012 at 10:25pm Y=3x+1 ...(1) Y=5x-3 ...(2) By comparison of (1) and (2),

    asked by TO: Mathmate
  152. Biology

    What does follicular activity mean?

    asked by Sarah
  153. trig

    find the math product of u and v u= (6,7) v= (-3,9)

    asked by Sam
  154. calculus

    Can someone please show steps as I am having a hard time understanding. The position (in meters) of a particle is modeled by y=x^3-12.5x^2+51x-67.5, where xis in seconds. Find the max, min and point(s) of inflection.

    asked by Drew
  155. math

    Explain how to expand the fraction 4/5 into a fraction with 15 as a denominator.

    asked by Analisa
  156. Math

    During the summer break, Allie works as many as 35 hours per week. On Saturdays she spends between two and six hours teaching adults to swim. On weekdays, she can work between 10 and 40 hours teaching swimming lessons at a children's camp. Teaching adults

    asked by Nguyen
  157. programming

    I need help with a C++ exercise. I need to write a code to display a table consisting of four rows and 11 columns. The first column must contain the numbers 1 through 4 and the other columns must contain the result of multiplying the number in the first

    asked by WhoCares
  158. chemistry

    A solution of PbI2 has [Pb2+] = 4.5 x 10-5 and [I-] = 6.5 x 10-4. PbI2 has Ksp = 8.7 x 10-9. Write down the reaction that is taking place. Calculate Q. Is Q larger or smaller than the Ksp? Is the solution unsaturated, saturated, or supersaturated? Will a

    asked by Anonymous
  159. chemistry

    On the axis below, draw the titration curve for the titration of CH3COOH (a weak acid) with NaOH (a strong base). In the titration, the equivalence point occurs when 40 mL of NaOH has been added. Make sure to label your x- and y-axis and put numbers on

    asked by Anonymous
  160. magnetism

    Moving a magnet inside a coil of wire will induce a voltage in the coil. How can the voltage in coil be increased? move the magnet inside the coil of wire more slowly hold the magnet stationary move the coil of wire slowly and keep the magnet stationary

    asked by lilman
  161. chemistry

    Using a diagram to represent a barometer, The first bubble has 4.0L of Ar @ 1.5 atm a stopcock in between. middle bubble 3.0L Xe @ 6.2atm. stopcockB next bubble 8.0L CO @ 4.4 atm. What is predicted pressure if stopcock A is opened

    asked by tara
  162. math

    A bike costs $117. This is $12 more than 3 times the amount Tom saved last month. How much money did Tom save last month? Write an equation, solve the problem. Equation: 12+3n= 117?

    asked by gina
  163. Physics

    An actor in an action movie is supposed to jump up and catch a ring moving overhead which will carry him to safety. The ring is 8 m above the actor and moving at 12 m/s to the right. The actor jumps straight up and catches the ring at the peak of his jump.

    asked by Charlie
  164. Math

    How do you do 3 digit multiplication? Example 145x312

    asked by Neon
  165. Math

    I am trying to remember how to figure out which fraction is the greatest/least. Do i have to find the common denominator? An example would be 1/4, 3/8, 6/10, 1/7 ... kind of like this, only many more ... Thank you.

    asked by Carly
  166. Ms.Susy Please Help With Time!!!!!!

    My sub teacher today gave us a time problem on our homework. We haven't worked with time yet so I'm not quite sure I got it right: Ed started work at 8:45 AM. He stopped for lunch at 12:00 PM and went back to work at 12:45 PM. He quit for the day at 6:15

    asked by Candy Corn 
  167. Statistics

    two samples of data regarding salary of Co A and Co B determine if you can be 99% sure that Co? A makes more than Co B? Company A - Mean 55,000, Std Dev 5,000, Sample Size 200; Co B mean 52,000, Std Dev 3,000 Sample size 400 please show steps thanks

    asked by stylists
  168. physics

    three cables are pulling on an object which is in static equilibrium. If 2 of the forces have the same magnitude but are separated by a 32 degree angle, determine the magnitude and direction of the third force.

    asked by Syd
  169. science

    identify and describe one environmental problem that causes ill health,accidents,crises.

    asked by tryphina
  170. math

    A rectangular box is 16cm long and 10cm wide 960 1-cm cubes can fit into the box exactly what is the height of the box?

    asked by john
  171. Physics

    If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

    asked by Jobeth
  172. Chemistry(Please check)

    Which of the following four processes are accompanied by an increase in entropy? 1. I2 (s) -> I2 (g) 2. 2 I (g) -> I2 (g) 3. 2 NH3 (g) -> N2 (g) + 3 H2 (g) 4. Pb2+ (aq) + 2 OH – (aq) -> Pb(OH)2 (s) Answers: a. 1 & 2 b. 1 & 3 c. 3 & 4 d. 2 & 4 e. only 3 I

    asked by Hannah
  173. AP Chem

    1.513g of monoprotic acid (HX) is dissolved in water, and the volume is 250.0 ml after the dissolving. The solution was then titrated 38.12g of .100 M NaOH to reach the end point of the titration. What is the molecular weight of HX?

    asked by Anna
  174. ELA

    write a basic or review word to complete each book title. 1.Dont dirty or ___ our water by crystal kleer:pollute 2.how to __ a cake by f ross ting:decorate 3.bird __ by duck e over:migration 4.how to make a positive__ by look n goode:impression

    asked by Neon
  175. math

    Josh has 42 more baseball cards than hockey cards. Josh has 136 hockey cards. Which number sentence can be used to find how many baseball cards Josh has? A. 136-42=____ B. 136+42=____

    asked by Amy
  176. MATH

    Determine how much would be accumulated at the end of 10 years at 7.5% interest if Woody saved $30 every month.

    asked by MATH
  177. math help

    Thank you for helping me with the last problem Reiny and Bosnian. However, I have one more problem that I need help with please and I have no idea how work the problem. I used an on line calculator to get the answer. It didn't give an explanation on how to

    asked by Urgent Urgent Please
  178. math

    Josh has 42 more baseball cards than hockey cards. Josh has 136 hockey cards. Which number sentence can be used to find how many baseball cards Josh has? A. 136-42=____ B. 136+42=____

    asked by Amy
  179. algebra

    Mr.dorkus lost five test papers.he found a summary of the missing scores which said that the mode of the scores was 90 the meadian was 85 and the mean was 83.The grades were whole numbers bettween 0 and 100. what is the lowest possible score of the missing

    asked by Matt
  180. Foreign languages

    Writeacher, could you help me write a sentence for each of the following phrasal verbs? Thank you. set about set someone apart set off set someone/thing up gear up for something melt away

    asked by Mike1
  181. Chemistry

    how many moles of silver nitrate are required to react with 24.8 mL of 1.15M calcium chloride in a metathesis reaction Thanks!

    asked by Wendy
  182. us history

    Who did the Santa Fe Trail get estblaished for?

    asked by Emily
  183. Fundamental DeskTop publishing

    there should always be ______ space(s) after the periios at the end of a sentence A: 1 B: 1.3 C : 2 D : 2.5 I got A. To key a capital letter K, hold down the ______ key while pressing the K key. A : Right skin B : Right Alt C : Left Shin D : Left Alt I got

    asked by ciara
  184. l.o

    identify and describe one environmental proble that causes ill health,accidents,crises,and disasters within your community or any other community within south africa or globally

    asked by john
  185. anthrpology

    Before colonism most colonized people live in

    asked by Anonymous
  186. physics

    The driver of a 1,450kg car, whose iron brake calipers mass is 3kg endures a brain malfuction at the top of a 20 degree parking ramp 20 meters long. It approaches the ramp going 20m/s and the driver recovers just as the car reaches the bottom. If the

    asked by katie
  187. Chemistry

    How many atoms are there in a 4.5 g sample of water?

    asked by Bella
  188. Language Arts

    I'm still working on learning my commas and just checking to make sure I'm understanding correctly. In the sentence, "One tale featured Excalibur a sword with a mind of its own." Would the only comma be after "Excalibur" or would you need one after "sword"

    asked by Brandi
  189. Math

    If input x is 1, 2, 3, 4 and output y is 6, 10, 14, 18 , what is its function rule?

    asked by Jenny
  190. Astronomy

    If the cosmic microwave background radiation (CMBR) is at a temperature of 2.7K, what is its peak wavelength?

    asked by Leila
  191. Statics

    An aluminum wire has a diameter of d in. Determine the minimum diameter D of the coil in which the wire can be wound without exceeding a bending stress of 30,000psi

    asked by Mary
  192. social studies

    what cused the cold war and what did the term "third war" describe?please help me!!!!!!!!!!!!!!!!!!!thanks

    asked by shalay
  193. Language Arts

    Having some trouble on the comma rule with the word "usually". If it is used in the beginning of the sentence would you put a comma after it? For instance, in the sentence, "Usually castles sat on a hilltop and had high stone walls." Would you put a comma

    asked by Brandi
  194. math

    A ramp that is 4 ft., 3 ft.at one end. I want a 30% slope to the ground; how long should the ramp be?

    asked by James
  195. physics

    A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min

    asked by Romy
  196. Chemistry

    You have a 4.0 L steel tank containing hydrogen gas. You are able to heat or cool the tank, and measure the pressure of the gas. If the temperature is 25 degrees C, and the pressure reads 2.5 atm, how many grams of hydrogen does the tank contain? Is 9.8

    asked by Wurola
  197. Principles of Management

    Having just spent $1500 for a new engine for his old car, Raimndo now learns his transmission needs to be replaced. Raimundo decides to junk the car. Raimundo has avoided continuing the______ bias. I am in a toss up of either (b)adjustment or (c)

    asked by Carol
  198. Algebra 2

    The Pumpkin Patch Doll Company has detrmined that the profit the company makes on Pumpkin Patch Dolls if given by the equation y=3x2 + 720 x - 17800, where y is the profit measured in dollars and x is the number of Pumpkin Patch dolls. Find the number of

    asked by Carolyn
  199. Algebra2

    If f (x) = x² + 3 and g (x) = 3x - 1 then find the following: 1a. (f+g)(x) 1b. (f+g)(3) 1c. (f-g)(x) 1d. (fg)(x) 1e. (fg)(-1)

    asked by elizabeth
  200. Savannah park Secondary.grade 12 l.o

    Describe the life style disease/behaviour and explain 5 factor that contribute to substance abuse

    asked by Simukeliso trevor buthelezi
  201. Math

    Trying to find how many jelly beans that can be in the jar? Exactly half were red and exactly one-third were blue, which of the following is not a reasonable number of jelly beans that can be in the jar? Is it 24, 50, 60 or 90?

    asked by Marc-Anthony Cienfuegos
  202. chemistry

    For the reaction H2(g) + I2(g) ↔ 2 HI(g), you have the initial concentrations [H2] = 0.15 and [I2] = 0.05. Keq for the reaction at this temperature is 4.5 x 10-6. Make a reaction table. Include rows for initial concentration, change in concentration, and

    asked by Anonymous
  203. chemistry

    An indicator has the reaction Hln(aq) ↔ H+(aq) + In-(aq). Explain how the indicator can change color when a strong base is poured into a solution of this indicator. Will a strong base dissociate? Which way will this cause the reaction to shift? Is there

    asked by Anonymous
  204. writing

    Write a 150- to 200-word paragraph to explain how purpose, audience, tone, and content would impact the following topic: What do you hope to accomplish COM 155? Be sure to use the three components of a good paragraph covered in this week’s readings. In

    asked by Amber
  205. Physics

    A 50-kg person starts from rest at the top of a large frictionless spherical surface (radius 6 m) and slides into the water below. What is the magnitude of the normal force she experiences halfway along the spherical surface (at theta = 45 degrees as

    asked by Charlie
  206. English

    Hello. I will really appreciate some help. Do you think it's possible to say: "She regrets not buying the house" or is it "she regrets not having bought the house", maybe both? And one more question, please. Would you use articles in the context: "in this

    asked by Ilma
  207. Math

    Determine whether the triangle has no/one/two solutions. Then Find and round measures of sides to the nearest tenth and measures of the angles to the nearest degree. A= 50 degrees, a=34, b=40

    asked by Sergio
  208. Physics

    A 3.0 m beam with mass 50.0 kg is attached to a wall with a hinge. A rope is connected to the middle of the beam and the wall forming a 60 degree angle with respect to the beam. A mass of 25.0 kg is set on the beam at an unknown distance. a. Draw a free

    asked by Charlie
  209. psychology

    compare and contrast positive psychology with behaviorism. How do they differ? What would be the viewpoint of a behaviorist on the concepts of choice, change, and control?

    asked by rose
  210. Astronomy

    If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

    asked by Jobeth
  211. Chemistry

    If the acetylene were burned to form water and carbon dioxide, how many kilojoules of energy would be produced from the complete reaction of 20 of calcium carbide? CaC2(s)+2H2O(l) --> C2H2(g)+Ca(OH)2(s)

    asked by Melissa
  212. Chemistry

    If the acetylene were burned to form water and carbon dioxide, how many kilojoules of energy would be produced from the complete reaction of 20 of calcium carbide? CaC2(s)+2H2O(l) --> C2H2(g)+Ca(OH)2(s)

    asked by Melissa
  213. Tulsa

    If the price at which x units can be sold is given by the equation p=15-4 ln x, approximate the marginal revenue when x=7.

    asked by Thomas
  214. algebra 2

    Jennifer invested $2,500 in an account earning 3.5% interest compounded continuosly. How much money will she have in the account after 15 years?

    asked by james
  215. physic

    1 A passenger in a moving car and a passerby standing at the road side see each other as moving in the opposite direction. Which of the following is NOT true? The passenger is in motion relative to the passer-by The passer-by is stationary relative to the

    asked by mike
  216. physics

    From a cliff that is 8.2 m above a lake, a young woman (mass 42 kg) jumps from rest, straight down into the water. At the instant she strikes the water, what is her de Broglie wavelength?

    asked by Alisha
  217. chemistry

    following equilibrium system with a Kc of 1.23E-03: C3H6O (aq) + 2C2H6O (aq)--> C7H16O2 (aq) + 2H2O (l) pleas check to see I answer these correclty.. 1.Is this an endothermic- or exothermic reaction, as written?answer: Exothermic 2.How would the

    asked by cateye
  218. chemisttry

    how many ml of a 1 M NaOH solution do you need to add to a 250 ml flask and bring it to volume with deionized water to make a 0.12 M NaOH solution

    asked by william
  219. Child Development

    Dean associates certain activies, roles, and traits as being typical for either males or females. His associations conform to cultural stereotypes and encompass many gender-linked responses. This is an example of gender A.Atypicality B.roles C.typing

    asked by Elizabeth
  220. Physics

    How do the net force of charges calculated?

    asked by Tsoanelo
  221. Ela

    Write a word that fits each definition choices: pollute,pollution,protect,protection,inspect,inspection,impress,impression,migrate,migration,promote,promotion,imitate,imitation,decorate,decoration,confess,confession,express,expression 8.an

    asked by Neon
  222. english

    i need help finding jokes for my talent show

    asked by Blair
  223. Physics

    If the cosmic microwave background radiation (CMBR) is at a temperature of 2.7K, what is its peak wavelength?

    asked by Leila
  224. Math: Geometry

    If 0 < y < 1 and 0 < x < 1, find the probability that y < x. Begin by sketching te graph, and then use the area method to find the probability. Please help me. I do not understand. Thank you in advance!

    asked by Rose
  225. Ela

    write a word that fits each meaning CHOICES: irritate,irritation,contaminate,contamination 15.an impurity:contaminate 16.to annoy:irritate 17.an annoyance: irritation 18.to make impure:contamination

    asked by Neon
  226. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  227. Science

    what happens when you increase the thermal energy of water

    asked by me
  228. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  229. accounting

    examples from the manufacturing industry of: o a journal entry that would be recorded that impacts the balance sheet

    asked by Ruth
  230. Science

    Light that passes through a pair of eyeglasses is- a.transmitted b.absorbed c.reflected d.refracted D?

    asked by Rezu
  231. Chemistry

    How much volume(mL)of 2.50 M NaOH(aq)must be added to 25.0 mL of water to produce a 1.50 M NaOH solution? Thanks!

    asked by Jack
  232. math

    there is a sprinkler that rotates in a circle,if the sprinkler reaches 7 yards,what is the area that the sprinkler will cover?

    asked by aamna
  233. algebra

    I hope they are hungry mr. bratwurst has donated 1513 hot dogs, and Mr. pepsi has donated 120 six-packs of pop for the annual camp cookout. The donors have stipulated that each kid is to receive the same amount of refreshments and all of the refreshments

    asked by zachary stanich
  234. math

    what is the slope of (7,2) and (-1,3) is it -8

    asked by Taylor
  235. math

    what is the slope of (3,-7) and (-1,-7) is it 4

    asked by Taylor
  236. Chemistry

    A sample of Sn(CO3)2 has 5.00 x 10^23 O atoms. How much does the sample weigh?

    asked by Bella
  237. math

    what is the slope of (2,-1) and (3,2) is it -3

    asked by Taylor
  238. calculus

    The position (in meters) of a particle is modeled by y=x^3-12.5x^2+51x-67.5, where xis in seconds. Find the max, min and point(s) of inflection.

    asked by Drew
  239. Algebra

    Find the GCF of each set of monomials. 16, 20, 64 I got: 2,4,4,8 2,4,5,10 2,4,8,8,16,32 Would the greatest common factors be 2 and 4?

    asked by Nicole
  240. Accounting

    Questions 1. What is the issuing price for bonds A and B respectively? Show your calculations. 2. For bond A, provide the journal entries for • the issuance of bond, and • the first three interest payments. Please write down the date for each journal

    asked by Kate
  241. Language Arts

    Need some help on commas. In the sentence....Yes tales also often have a young person as the hero. Would the only comma in the sentence be after the word "Yes"? Thanks...

    asked by Brandi
  242. math

    What are the final two digits of 7124? Show work to support your answer

    asked by Anonymous
  243. business Maths

    Lane French had a bad credit rating and went to a local cash center. He took out a $103 loan payable in five weeks at $123. What is the percent of interest paid on this loan? Do not round denominator before dividing. (Use calendar year. Round your answer

    asked by Ekanki
  244. AP Chem

    Consider 25.0 ml of .300 MHNO2 that is titrated with .500 M Find ph at eq pt

    asked by Anna
  245. math 1

    Determine the most probable next term in the list of numbers. Show work to support your answer. 280, 480, 684, 913, 1205, 1615, …

    asked by Anonymous
  246. algebra

    john borrowed $650 from credit union . interest rate is 7.9% , and takes loan for 6 months . what will be his monthly payment to repay loan plus interest ?

    asked by starasia
  247. Language Arts

    In the sentence "Both crown and scepter a staff symbolizing the king's power were made of valuable materials." Would the commas be after the word "scepter" and after the word "power"? I wasn't sure if it needed one after the word "staff" too. I don't think

    asked by Brandi
  248. Science

    Which of the following organisms would most likely be found gazing at a meadow? deer owls cougars mosquitoes deer?

    asked by Rezu
  249. Ela

    CHOICES:pollute,pollution,protect,protection,inspect,inspection,impress,impression,migrate,migration,promote,promotion,imitate,imitation,decorate,decoration,confess,confession,express,expression,garbage,health,dirty,ocean,awful phsycial fitness and your __

    asked by Neon
  250. Social Studies 7R (plz read!)

    United States Exports 1800-1812 1. Comprehension (a) In what year did the exports decrease most sharply? (b) What event caused the decline? Answer (a) - 1808 Answer (b) - ??????????????

    asked by Laruen
  251. physics

    Fruity Florida farmers fecklessly fling flying fountains of water on the fruit during cold snaps. Explain why they do this

    asked by katie
  252. social studies

    " The Supreme Court has to censor and limit our first amendment rights." - determine whether the statement above is true or false. - pick one side of the argument - use cases and precedents as examples - have a thesis statement - have a concluding

    asked by Reya
  253. WRITING SKILLS PART 1

    Which of these is a run-on sentence? A. I thought about what he'd said soon I realized he was right. B. Before lunch, I played volleyball; after lunch I did again. C. I went home and ate and ate. D. You and I and the whole team will go.

    asked by Anonymous
  254. chemistry

    Why the addition of NH3 should be precise in spectrophotometer reading? What if it gives darker color?

    asked by Mima
  255. calculis

    Find the equation of the tangent line to the curve y=e^2x + 4x at the point (0,1)

    asked by John
  256. Life orientation

    Two institution/community organization that are involvee in supporting or giving redress to teenage pregnancy

    asked by Nicco
  257. calculus

    Just doing example questions to better understand. Find all first and second partial derivatives for the function u= xy^2+x^2y

    asked by Todd
  258. anthrpology

    Before colonism most colonized people live in

    asked by Anonymous
  259. math

    A prism has 10 faces.How many faces does a pyramid with the same base have?

    asked by blah
  260. Math

    If the principal P = $900, the rate r = 5 1/2 %, and time t = 1 year, find the following. What is the amount of interest? What is the future value?

    asked by Julie
  261. calculus

    Find the total differential for f(x,y,z)= cos(4x+3y+2z+1)

    asked by Todd
  262. trigonometry

    Solve the equation 6 cos x^2+sin x=4 if 0 is less than or equal to x is less than or equal to pi

    asked by lindsay
  263. LA i think?

    I am doing this homophone extra credit sheet and if my paper is in first i will get 50 points extra credit. I have only 3 left out of the 43. Can you please help? 1. To cut candies in small pieces 2. A just - born antelope 3. To tie a bow with one's toes

    asked by Emma
  264. Astronomy

    If the Milky Way and the Andromeda galaxies are approximately 2 million light years apart and are moving toward each other at 199 km/sec, how long will it take before the two galaxies collide?

    asked by Jobeth
  265. chemistry

    Compare and contrast the ideas of heat and temperature. Explain how one affects the others and why they are not the same thing.

    asked by sam
  266. computers

    powerpoint presentation assignment how will i explore the role that family and society play in the development of the individual's sense of self.

    asked by Mary
  267. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  268. english

    Durig literacy analysis, the writer reads a work and then

    asked by BoB
  269. Astronomy

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  270. Chemistry

    How many Cal need to be removed to condense 500. g of steam at 150.0 Celsius to water at 37.0 Celsius?

    asked by Kat
  271. Language Arts

    This is my last comma question of the night. In the sentence, "King Midas's gift is deadly because he cannot eat drink or touch people." I know commas go after "eat" and "drink", but would a comma also go after "deadly"? Thanks.

    asked by Brandi
  272. Chemistry

    How many atoms are there in a 15.0-g sample of KBr?

    asked by annabel
  273. Chemistry

    How many atoms are there in a 15.0-g sample of KBr?

    asked by annabel
  274. foreign languages

    I need you help to revise a few sentences on history. Thank you, Writeacher. 1) The Eighteenth Amendment to the Constitution, which was imposed (??) in the twenties , prohibited the manufacture, consumption and import of alcohol. 2)This drastic step (also

    asked by Mike1
  275. Televison Production

    Can someone please find a good website that dhows examples of what a television show proposal is supposed to look like?

    asked by Kim Breed
  276. math

    A warehouse having a volume of 10,000 ft3 and a floor area of 1000 ft2 is to be built. The cost of constructing the floor is $6.00/ft2, the cost of the roof is $10.00/ft2, and the cost of the walls is $20.00/ft2. If W is the width, L the length, and H the

    asked by Emmanuel
  277. finance

    12. A Treasury note with a maturity of four years carries a nominal rate of interest of 10 percent. In contrast, an eight-year Treasury bond has a yield of 8 percent. a. If inflation is expected to average 7 percent over the first four years, what is the

    asked by Johniece
  278. Life orientation

    Institutions/community organizations that are involved in supporting teenage pregnancy

    asked by Mashapa Tebogo
  279. Math

    what is g(f(x))? and f(g(x))? if f(x)=(1)/(sqaure root3x) and g(x)=x^2-5 Thanks!

    asked by Jack
  280. Life orientation

    Critically discuss how life style / behaviour disease impact on the teenager

    asked by Loly
  281. life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community.Provide relavant sources to support your claim

    asked by nqobile
  282. physics

    What frequency would you need to produce a sound wave in room-temperature air with a wavelength of 9 m? the answer in Hz

    asked by michelle
  283. PreCalc

    A card game uses a pack of 24 cards, consisting of ace, king, queen, jack, 10, and 9 in each of the four suits spade, hearts, diamonds and clubs. A hand consist of 6 cards. Find the probability a hand includes all four aces.

    asked by Peggy
  284. Thank you

    Thank you for your help. I think I got now.

    asked by TO: MathMate& Bosnian
  285. Accouting

    Please can you show me how to do it. An employee receives an hourly rate of $25, with time and a half for all hours worked in excess of 40 during a week. Payroll data for the current week are as follows: hours worked, 46 federal income tax withheld, $350;

    asked by RIkci
  286. english

    Write S if the sentence is simple .Write C if the sentence compound. 1) Paul plays on the basketball team and works part time at the grocery store. Compound 2)He is an assistant manager in the deli.Simple 3) The store manager hired him as a bagger,but Paul

    asked by joseph
  287. Human Resource Management

    What Happens when 2 labor unions go against each other? Is it good or bad and why?

    asked by Michelle
  288. Maths

    I am a two-digit number greater than 50. The product of my digits is not 12, but 12 goes into it exactly. The sum of my digits is odd. The sum of my digits is less than 13 What am I? What am I if I am less than 50?

    asked by Anonymous
  289. chemistry

    What is a polyprotic acid? What does it mean to be amphiprotic? Can the conjugate base of a polyprotic acid gain a proton? Can the conjugate base of a polyprotic acid lose a proton? Is the conjugate base of a polyprotic acid always amphiprotic?

    asked by Anonymous
  290. Physics

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  291. english

    What are the keywords, phrase, and synonyms or related terms for this topic "Are low-laying Pacific Island countries drowning? Discuss the impact of climate change on Tuvalu".

    asked by Koia
  292. Math

    How would you graph g(x) = -f(x-5)? Thanks!

    asked by Wendy
  293. Algebra2

    If f (x) = x² + 3 and g (x) = 3x - 1 then find the following: 1. (f/g)(x) 2. (f o g)(x) 3. (f o g)(1) 4. (g o f)(x)

    asked by elizabeth
  294. Math

    Determine whether the triangle has no/one/two solutions. Then Find and round measures of sides to the nearest tenth and measures of the angles to the nearest degree. A= 50 degrees, a=34, b=40

    asked by Sergio
  295. psychology

    compare and contrast positive psychology with behaviorism. How do they differ? What would be the viewpoint of a behaviorist on the concepts of choice, change, and control?

    asked by rose
  296. Physics

    A special pulley has two discs with radii R1 = .8 m and R2 = .35 m. A rope from the R2 disc connects the pulley to a wall and a rope from the R1 disc connects the pulley to a hanging mass. The axle is frictionless. The total mass of the pulley is 15 kg. a.

    asked by Charlie
  297. psychology

    compare and contrast positive psychology with behaviorism. How do they differ? What would be the viewpoint of a behaviorist on the concepts of choice, change, and control?

    asked by rose
  298. Astronomy

    If the cosmic microwave background radiation (CMBR) is at a temperature of 2.7K, what is its peak wavelength?

    asked by Leila
  299. Astronomy

    Suppose when we look in one half of the sky, the CMBR appears to be at a temperature of 2.72K. What is the peak wavelength in that direction? Are we moving toward or away from the region of space? What is our velocity with respect to the CMBR?

    asked by Leila
  300. medical coding part 1

    evaluation and determination of care management of a newborn infant would be defined as what

    asked by crystal
  301. english

    Hey friends i need some help on this . . . . . 1) put there following sentences in a correct coherence order a) He is not a writer b) He can not be otherwise c) or he is not a commentator d) A reporter is just that a reporter.

    asked by elias
  302. algebra

    If $300 = 7% of X then X = ?

    asked by Yvonne
  303. life orientation

    Describe the life style disease/behaviour of cancer and explain 5(or more) factors that contribute to the disease

    asked by Anonymous
  304. Biology

    I am analyzing a scientific article for my biology class. I am trying to comprehend all of the terms used and am hoping I can gain other's insight as to where this article is flawed and what could have been done to improve it. The article is titled: Effect

    asked by Sarah
  305. physic

    A 16 g piece of glass floats in bromoform (density = 2.89 g/ cm3) but sinks in bromobenzene (density = 1.52 g/ cm3), in which it has an appparent mass of 3.84.. What is the density of the glass ( in g/ cm3):

    asked by Reem
  306. U.S. History

    What are some special interest groups that would agree or disagree with the message in the cartoon, "Have a Care, Sir" by Herblock? Why? Please help me on this. I am stuck.

    asked by Rose
  307. math

    what is the slpe fo the two points (1,1) and (6,3)? is it -1/6

    asked by Taylor
  308. Pre-Algebra

    what is the slope between the two points (3,-7) and (-1,-7) i don't know it

    asked by Taylor
  309. math

    what is the slope between the two points (-4,6) and (-4,2)? is it 5

    asked by Taylor
  310. physics

    determine the acceleration of a 25 kg crate being dragged across a floor by a 150 N force at a 42 degree angle above the floor where the kinetic coefficient of friction is .52.

    asked by Syd
  311. physics

    determine the static coefficient of friction if a box will be rasied at rest, right up until the point that the board on which it is sitting gets raised to 53 degrees.

    asked by Syd
  312. physics

    find the tension in an elevator cable which must support a 4000 N elevator with a maximum upward acceleration of 2 g's. What would be the tension if the elevator were allowed to accelerate downward at .25g's?

    asked by Syd
  313. Scholastic News

    I have been given a plot graph of the # of tornados in the u.s between 2001 and 2011. The # of tornados side starts at 0 then 200,400,600,800,1000 and so forth up to 2,000. Now here is the problem: Between which two consecutive years on the graph did the

    asked by Jasmine
  314. C++

    You are to use an array of doubles to compute the average of a sequence of numbers and the standard deviation of the numbers. Based on these value you will print for each of the values in the array: the array index, the value, the deviation from the

    asked by MAX
  315. Physics

    How do the net force of charges calculated?

    asked by Tsoanelo
  316. ELA

    Complete the exericse with basic words.Add ion to each verb to make a basic word protect answer: protection confess answer: confession imitate answer: imitation impress answer: impression express answer: expression

    asked by Neon