Questions Asked on
April 4, 2013

  1. Help? Math

    Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark

    asked by Katie
  2. Math

    Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark

    asked by Katie
  3. chemistry

    The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.4. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.75 M B(aq) with 0.75 M HCl(aq). (b) after addition of 25.0 mL of HCl (c) after addition of 50.0 mL of

    asked by Ashley
  4. Chemistry

    The elements lithium and oxygen react explosively to from lithium oxide (Li2O). How much lithium oxide will form if 3.03 mol of lithium react? Answer in units of mol

    asked by Kyle
  5. chemistry

    CH3NH2(aq)+H2O(l)=>CH3NH3+(aq)+OH-(aq) Kb=4.4 x 10^-4 Methylamine, CH3NH2, is a weak base that reacts with water according to the equation above. A student obtains a 50.0 mL sample of a methylamine solution and determines the pH of the solution to be

    asked by ashdawg
  6. Physics

    The ski slopes at Bluebird Mountain make use of tow ropes to transport snowboarders and skiers to the summit of the hill. One of the tow ropes is powered by a 22-kW motor which pulls skiers along an icy incline of 14° at a constant speed. Suppose that 18

    asked by Honey
  7. Chemistry

    Sodium methanoate, NaHCOO, and methanoic acid, HCOOH, can be used to make a buffer solution. Explain how this combination resists changes in pH when small amounts of acid or base are added. Buffers kind of confuse me and I'm not sure how to start this. Can

    asked by a Canadian
  8. Chemistry

    Calculate the change in pH if 0.050 g of solid NaOH is added to 250 mL of a buffer solution that contains 0.80 M NaH2PO4 and 0.17M Na2HPO4. I found the pH of the buffer solution to be 6.54.

    asked by Matt
  9. Math

    Find the APR (true annual interest rate), to the nearest half percent, for the following loan. Amount Financed = $1200 Finance Charge = $90 Number of Monthly Payments = 12

    asked by McD30
  10. chemistry

    In the reaction between formic acid (HCHO2) and sodium hydroxide, water and sodium formate (NaCHO2) are formed. To determine the heat of reaction, 75.0 mL of 1.07 M HCHO2 was placed in a coffee cup calorimeter at a temperature of 20.8 °C, and 45.0 mL of

    asked by timmy
  11. Alg 1

    A baseball player hit a ball with an upward velocity of 46 ft/s. Its height h is feet after t seconds is given by the function h = -16t^2 + 46t + 6. What is the maximum height the ball reaches? How long will it take the baseball to reach the maximum

    asked by Jane
  12. Chemistry

    How many milliliters of 1.0 M NaOH must be added to 200. mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 7.50? (5 points)

    asked by bill
  13. Chemisrty

    How many grams of KClO3 must react to form 42.0 mL?

    asked by Mia
  14. physics

    An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 × 107 V. The mass of the electron is 9.11 × 10-31 kg, and the negative charge of the electron has a magnitude of 1.60 × 10-19 C. (a) What is the

    asked by PLEASE AND THANK YOU
  15. Analytical chemistry

    A 25.0-mL solution of 0.0660 M EDTA was added to a 33.0-mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0450 M Ga3 solution until all the EDTA

    asked by Ashley
  16. Chemistry

    An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The gas is then compressed to a volume of 38 mL, and the temperature is raised to 827°C. What is the new pressure of the gas? torr

    asked by Rashid
  17. Precalculus with Trigonometry

    Prove or disprove the following identity: (sin(10x))/(sin(x)+sin(9x)) = (cos(5x))/(cos4x))

    asked by Natalie
  18. Chmeistry

    Estimate the uncertainty in the speed of an oxygen molecule if its position is known to be +/- 3 nm. The mass of an oxygen molecule is 5.31 x 10^26 kg.

    asked by Emily
  19. Chemistry

    Identify the relative molar amounts of the species in 0.10 M NaBr(aq). NaBr, Na+, Br-, H3O+, OH-, H2O

    asked by Hei
  20. physics

    A sled is accelerating down a hill at a rate of 1 m/s2 . If the mass of the sled is suddenly cut in half and the net force on the sled is doubled, what is the acceleration of the sled?

    asked by Jill
  21. Physics

    The temperature of an object is raised by 90ºC. This is equivalent to what increase in its absolute temperature?

    asked by leo
  22. Math

    For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x successes. Round your answer to four decimal places n = 10, p = 1/7, x = 3 A. 0.1189 B. 0.1546 C. 0.1308 D. 0.1427

    asked by Rae
  23. chemistry

    A 50.00-mL sample of groundwater is titrated with 0.0900 M EDTA. Assume that Ca2 accounts for all of the hardness in the groundwater. If 11.40 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molarity and in

    asked by Ashley
  24. Physics

    An electric dipole (any pair of oppositely charge point particles) lies on the x-axis, consisting of a - 2.5nC charge at x = -10 cm, and a +2.5nC charge at x=10cm. Find the electric field (a) on the x-axis, at the point (20,0) and (b) on the y-axis, at

    asked by Jayflord
  25. Chemistry

    How many grams of CuSO4 * 5H2O are needed to prepare 100mL of a 0.10 M solution ?

    asked by Jade
  26. Chemistry

    How many grams do 5.8×10 24 atoms of argon weigh? Answer in units of g

    asked by Kyle
  27. anatomy physiology/check please

    Muscular dysgenesis or dysgeny is a lethal, recessive, genetic disease of mice that is caused by a mutation in the mdg gene. Skeletal muscles from dysgenic mice are paralyzed and the animals die shortly after birth. You are a research scientist interested

    asked by joseph
  28. Chemistry 12

    When 1.00 g. of MgCO3 is added to 2.0 L of water, some, but not all, will dissolve to form a saturated solution. Calculate the mass of solid that remains undissolved.

    asked by Janice
  29. Physics

    A bat flying in a cave emits a sound and receives its echo 0.1 s later. Show that it's distance from the cave wall is 19 m.

    asked by John
  30. maths

    a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a and b. can you say XY and YX sre of same type? are they equal?

    asked by edward
  31. Chemistry

    When ice melts, it absorbs 0.33 kJ/g. How much ice is required to cool a 11.0oz drink from 76F to 39F, if the heat capacity of the drink is 4.18J/gC ? (Assume that the heat transfer is 100% efficient.) I got 11 g, but I guess that's wrong...

    asked by Jordann
  32. English

    1. When Elizabeth made a speech presentation demonstrating how to create an effective PowerPoint Presentation, her speech is about: A. events. B. processes. C. concepts. D. objects. is it B 2. When speaking about abstract concepts, make them concrete to

    asked by Amy
  33. Chemistry

    Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10^-59. Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2 in this solution if [OH–] is somehow fixed at 5.30 × 10^-6 M?

    asked by C
  34. Spanish

    (Querer) saber qué pasó. What would be the correct answer for the above statement. My answer is Quería saber qué pasó.

    asked by Pat summers
  35. physics

    In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 10-25 kg). In a spectrometer, a singly

    asked by Anonymous
  36. Chem

    How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)

    asked by just need set up
  37. Calculus

    the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the

    asked by sancho
  38. physics

    50+kg+ice+cube+slides+without+friction+up+and+down+a+30°+slope.+The+ice+cube+is+pressed+against+a+spring+at+the+bottom+of+the+slope,+compressing+the+spring+10cm+.The+spring+constant+is+25Nm.+When+the+ice+cube+is+released,what+distance+will+it+travel+up+the+slope+before+reversing+direction

    asked by zama
  39. science

    A ________ biome is a cold, dry area where the sun barely rises during the winter. a. coniferous forest b. temperate deciduous forest c. grassland d. tundra this is a 7th grade question and can a science teacher help me out on this please so i can study

    asked by lola
  40. English

    1. When a speaker seeks to explain or illustrate a process, she or he is probably speaking to: A. inform. B. persuade. C. entertain. D. celebrate. is it A 2. When the theme of a speech is, “Be all you can be. Join the Navy,” it is meant to: A.

    asked by Amy
  41. Physics

    A compact disk rotates from rest to 500 rev/min. in 5.5s. a) What is the angular acceleration assuming it is constant. b) How many revolutions does the disk make in 5.5 s. c) How far does a point on the rim 6 cm from the center of the disk traveling during

    asked by Jenny
  42. Calculus

    You are in a boat "a" miles from the nearest point on the coast. You are to go to a point Q, which is "b" miles down the coast and 1 mile inland. You can row at 2 miles per hour and walk at 4 miles per hour. If a=3, and b=4, toward what point on the coast

    asked by ricardo
  43. Math

    A bag holds 2 yellow, 1 green, and 2 red marbles. If you were to draw a marble from the bag 150 times, and replace it after each draw, how many yellow marbles would you expect to draw? (1 point) A:50 B:60 C:30 D:38 I say it's B or A

    asked by Vince
  44. Analytical chemistry

    Calculate pCd2 at each of the following points in the titration of 40.00 mL of 0.0040 M Cd2 with 0.0040 M EDTA in the presence of the auxiliary complexing agent NH3. The solution is buffered at a pH of 11.00. Take the NH3 concentration to be a constant

    asked by Ashley
  45. physics

    A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 2.2 × 1010 kg·m/s. What does the observer measure

    asked by please help
  46. chemistry

    Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell - it helps.)

    asked by adex
  47. Chem

    How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)

    asked by greg
  48. physics

    how long 1.2kw electric kettle take to heat 0.8kg of water from 20c to 100c?

    asked by Anonymous
  49. Algebra 2

    Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi

    asked by Tifini
  50. Algebra

    Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi

    asked by Help Please!
  51. math 114

    A store mixes Kentucky bluegrass worth $11 per pound and ryegrass worth $14 per pound. The mixture is to sell for $13 per pound. Find out how much of each should be used to make a 588 pound mixture. How many pounds of the Kentucky bluegrass should be in

    asked by David
  52. Chemistry

    I'm trying do this question: 0.10 mol/L hydrochloric acid is titrated with 0.10 mol/L methylamine, CH3NH2. Calculate the pH of the equivalence point. I'm having trouble with the equation... How do you know what HCl + CH3NH2 will produce? Is there a rule or

    asked by a Canadian
  53. physics

    A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 3.4 m long. What is the tension in each rope when the 708-N worker stands 2.40 m from one end? Smaller tension: ___N Larger tension: ___N

    asked by Dan
  54. Chemistry

    How many kilojoules of energy are needed to convert 104 g of ice at -14.6 to water at 25.8°C? (The specific heat of ice at -14.6 is 2.01 J/g°C.)

    asked by B
  55. Math

    What is next number in series: 100 96 104 88 120 56

    asked by Sam
  56. calc

    Given that a window entails a rectangle capped by a semi-circle, given that the semi-circle’s diameter concides with the rectangle’s width, given that the window’s outside (linear and curvilinear) perimeter is 24 feet, and given that the

    asked by Anonymous
  57. physics

    the sounds of a cricket gets stronger as you get closer to it. if you get twice as close, how much louder will the sound be?

    asked by mikayla
  58. math

    nadia can paint a room in 5 hours Nat can paint the same room in 7 hours how long will it take for both of them to finish painting the same room

    asked by Anonymous
  59. statistics

    Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=

    asked by Tash
  60. Physics

    For safety in climbing, a mountaineer uses a nylon rope that is 55 m long and 0.9 cm in diameter. When supporting a 88-kg climber, the rope elongates 1.4 m. Find its Young's modulus.

    asked by Dan
  61. Physics

    A supersonic aircraft produces a shock wave that describes a 30° cone. What happens to the angle of the cone as the aircraft travels faster?

    asked by leo
  62. Physics

    A 2.0-ohm resistor is connected in series with a 20.0-V battery and a three-branch parallel network with branches whose resistances are 8.0 ohms each. Ignoring the battery's internal resistance, what is the current in the battery?

    asked by leo
  63. Physics - Electricity

    Three resistors (15, 20, 25 ohms in this order) are connected to a 13-V battery . The internal resistance of the battery is negligible. What is the voltage difference across the 20-Ω resistance?

    asked by Amy
  64. physics

    A plastic rod has been bent into a circle of radius R = 8.80 cm. It has a charge Q1 = +4.60 pC uniformly distributed along one-quarter of its circumference and a charge Q2 = -6Q1 uniformly distributed along the rest of the circumference. Take V = 0 at

    asked by j
  65. Analytical chemistry

    A 24.393 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 80.601 g of water. A 12.404 g aliquot of this solution is then titrated with 0.1059 M HCl. It required 31.61 mL of the HCl solution to reach

    asked by Ashley
  66. business law

    Your Procuring Contracting Officer just signed a contract citing $50,000 of RDT&E funds based on your comptroller''s certification of funds. Shortly afterward, you discover that there was really only $40,000 available for the fund citation provided.

    asked by Shawn
  67. geometry

    In the diagram, circle A is tangent to circle C, and segment BE is tangent to circle A. The radius of circle A is 11 meters and the radius of circle C is 8 meters. Find the area of triangle ABE to the nearest square meter.

    asked by joe
  68. math

    cot^-1(2tan(cos^-18/17))+tan^-1(2tan(sin^-18/17))=tan^-1300/161

    asked by hasee
  69. Math

    For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x successes. Round your answer to four decimal places n = 10, p = 1/7, x = 3 A. 0.1189 B. 0.1546 C. 0.1308 D. 0.1427

    asked by Rae
  70. physics

    Four acrobats of mass 61.0 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of another acrobat. The 61.0-kg acrobat is at the bottom of the tower. If the area of each of the 61.0-kg acrobat's shoes is 370

    asked by Dan
  71. alg 1

    Quadratic graphs and their properties: Identify the domain and range of each function: y = 4x^2 - 3 I have no idea how to find the range and domain. Would you please explain in detail how I can determine the domain and range in the quadratic problems?

    asked by Jane
  72. Math ms sue please help

    A store is selling a sweater on sale for $17.90. The regular price is $22.95. What percent of the regular price is the sale price?

    asked by Gabby
  73. Physics

    A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.021 m/s (see the drawing). The loop is leaving a region in which a 2.7 T magnetic field exists; the magnetic field outside this region is zero. During a time

    asked by Anonymous
  74. Chem

    The specific heat of zinc is 0.096 cal/(g °C). Determine the energy required to raise the temperature of 26.1 g of zinc from room temperature (20.0 °C) to 150 °C.

    asked by Joel
  75. algebra

    Determine the length of fencing around an 80 m by 170 m rectangular playing field if the fence is to be 25 m outside the edge of playing field

    asked by Anonymous
  76. Life Orientation

    Identify and describe 3 environmental health hazard that cause ill health,crises and or disasters within your community or any other community within South Africa and globally .include evidence that is current of the identified issues

    asked by Koketso
  77. chemistry

    How many grams of water can be cooled from 35^\circ {\rm C} to 16^\circ {\rm C} by the evaporation of 57{\rm g} of water? (The heat of vaporization of water in this temperature range is 2.4 {\rm kJ}/{\rm g}. The specific heat of water is 4.18 {\rm J}/{\rm

    asked by Anonymous
  78. Colelge Math (Fibonacci)

    "Start with a pair of rabbits, (one male and one female) born on January 1. Assume that all months are of equal length and that : 1. rabbits begin to produce young two months after their own birth; 2. after reaching the age of two months, each pair

    asked by Ilya
  79. early childhood

    To promote infant (six to twelve months) speech growth, name five useful adult techniques.

    asked by betsy
  80. Please solve it for me!! Please...Maths

    Solve for the value of x: 6log(x^2+1)-x=0

    asked by Seth
  81. statistics

    Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=

    asked by Tash
  82. Calculus

    A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 -4 -9 5 0 5 0 -6 9 -4 5 5 9 -5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)

    asked by Travis
  83. chemistry

    A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 17.65 mL to reach a phenolphthalein end point.

    asked by Ashley
  84. English

    1. “To persuade my audience that drinking and driving laws should be stricter” aims for: A. passive agreement with a policy. B. active agreement with a policy. C. personal action to support a policy. D. personal agreement to support a policy. is it C

    asked by Amy
  85. Economics

    Suppose you have $7,000 in savings when the price level index is at 100. A. If inflation pushes the price level up by 10 percent, what will be the real value of your savings? B. What is the real value of your savings if the price level declines by 10

    asked by Anonymous
  86. Physics

    Nicole throws a ball straight up.Chad watches the ball from a window 5meters above the point where Nicole released it . The ball passes Chad on the on the way up, and it has a speed of 10m/s as it passes him on the way back down.Determine how fast Nicole

    asked by Caroline
  87. Henri Laurent. Essay. Confuzzled

    So I have to write an essay and it says what would I do if I were Henri Laurent. Who is he? Thanks

    asked by rockrboiluvr
  88. Chemistry

    Ca(OH)2, CaF2, NH4NO3, KNO3, HNO3 - Arrange the solutions from most basic to most acidic. I know Ca(OH)2 will be most basic and HNO3 will be most acidic, but how do you determine for the other ones?

    asked by a Canadian
  89. algebra

    In most state and local courts, 12 jurors and 2 alternates are chosen from a pool of 30 prospective jurors.The order of the alternates is specified. If a juror is unable to serve, then the first alternate will replace the juror.The second alternate will be

    asked by Karina
  90. math 140

    If 5 is added to a number the sum is tripled, the result is 31 more than the number. Find the number.

    asked by betsy
  91. math

    Ed has $15,000 invested in stocks paying 8%. How much additional money should he invest in certificates of deposit paying 4% so that the average return on the two investments is 6%?

    asked by Anonymous
  92. Lincoln College Of New En

    How man 4 letter code words can be made using the letters in the word pencil if repetitions are permitted?

    asked by Paula
  93. Math

    One week, Mrs. Peterson went to her health club on Monday, Wednesday, and Friday. Each day she went to the club, she jogged on the treadmill for 3/5 hour, lifted weights for 1/4 hour, and then cooled down by stretching for 1/4 hour. On Saturday, she rode

    asked by Megan
  94. physics

    A man fires a rock of a slingshot directly upward.The rock has an initial velocity of 15m/s.How long will it take for the rock to return to the level he fired it at?

    asked by Shazz
  95. physics

    a cannon with a mass of 1200 kilograms is positioned at the edge of a cliff where it fires a 100 kilogram cannonball horizontally. The cannonballs initial speed is 35 meters per second. What is the recoil of speed of the cannon.

    asked by lauren
  96. PHYSICS

    Light is shining perpendicularly on the surface of the earth with an intensity of 680 W/m2. Assuming that all the photons in the light have the same wavelength (in vacuum) of 478 nm, determine the number of photons per second per square meter that reach

    asked by please help
  97. math

    A baseball diamond has 90 ft. between each base. A softball diamond has 60 ft between each base. How many yards longer is the space between bases on a baseball diamond than a softball diamond?

    asked by Kelsey
  98. Chemistry

    I need help starting this question: A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?

    asked by a Canadian
  99. early childhood

    Name four child characteristics that might make a preschool child hard to identify as talented or gifted.

    asked by betsy
  100. Physics

    A positively charged particle of mass 5.60 10-8 kg is traveling due east with a speed of 60 m/s and enters a 0.49-T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 1.20 10-3 s, at which time it leaves the field

    asked by Don
  101. Life Orientation

    Identify and describe 3 environmental health hazard that cause ill health,crises and or disasters within your community or any other community within South Africa and globally .include evidence that is current of the identified issues

    asked by Koketso
  102. Trigonometry - Cosine of angle

    What is the cosine of the angle between two adjacent faces of a regular tetrahedron? (We define the angle between two intersecting planes as the angle between two intersecting lines, one in each plane, such that each line is perpendicular to the line at

    asked by Knights
  103. chemistry

    0.650 L of 0.420 M H2SO4 is mixed with 0.600 L of 0.280 M KOH. What concentration of sulfuric acid remains after neutralization?

    asked by Ashley
  104. maths literacy,biology,tourism,business studies

    what possible careers could i get into with these subjects

    asked by lisha
  105. 7th Grade Language Arts

    4. The Latin word alius means "other." Which of the following words contains this root? (1 point) alien alight alike alignment 5. The Anglo-Saxon root sla- means "to strike." Which of the following words does not share this root? (1 point) slap slaughter

    asked by Gabby
  106. a. chem

    A 50.0 mL sample containing Cd2 and Mn2 was treated with 58.7 mL of 0.0500 M EDTA. Titration of the excess unreacted EDTA required 17.7 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed

    asked by Lana
  107. math

    How do I solve: 6x+4y>=80 6x+4y

    asked by Bradley
  108. Physics

    A positively charged particle of mass 5.60 10-8 kg is traveling due east with a speed of 60 m/s and enters a 0.49-T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 1.20 10-3 s, at which time it leaves the field

    asked by Don
  109. Math

    Alicia went on a steamboat ride up the Mississippi River. The boat travels 20 miles per hour in still water. How long will it take her to travel 60 miles upstream if the current of the river is 8 miles per hour?

    asked by Johnathan
  110. Math

    When Multiplying Fraction You Must Find A Common Denominator. True Or False

    asked by Zhanise
  111. chemistry

    if 6.00g of CH4 was completely combusted in 15.00g of O2. How much H2O and CO2 will be produced?

    asked by Anonymous
  112. Analytic Geometry - lengths?

    Square ABCD has sides of length 4, and M is the midpoint of CD . A circle with radius 2 and center intersects a circle with radius 4 and center A at points P and D . What is the distance from P to AD? Please help - I drew the diagram, but looks kinda

    asked by Knights
  113. Science

    How does heart rate increase? Does it double? Does it increase with the intensity of the workout? I already know the background of heart rate but have trouble with the questions above.

    asked by sarah
  114. Math

    A garden supply company sells cages for tomatoes. The cages come in either black or silver. To decide how many of each color to stock, the purchaser looks at the sales from last year. He finds that 1/3 of the cages sold were black. Last year the company

    asked by Kaite
  115. Math

    The advertised size of a pizza is the length of its diameter. What is the area of the curst of a 16-ince pizza?

    asked by Nature
  116. Algebra

    The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?

    asked by Help Please!
  117. Chemistry

    How do I calculate the moles of each element in 0.303 mol water?

    asked by Anonymous
  118. stats.

    In a transportation study of 20 large cities, it was found that the mean of the number of cars per person was 0.504. (Some of the people in the city are children.) The study also stated that the standard deviation s was 0.123. Find a 95 % confidence

    asked by chris
  119. math

    find the circumference of a frisbee that has a diameter of 4 inches?

    asked by linda
  120. Physics

    An electron has a kinetic energy of 7.00 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.40 10-5 T. Determine the radius of the path?

    asked by Don
  121. Please help me work it out!!! Maths

    solve for x: ln(x^2-6x-16)=5

    asked by Seth
  122. Please solve it for me!! Please...Maths

    x^2-6x+1=(3x+5)/2

    asked by Seth
  123. math

    a family walked 15 miles in one day . at that rate how many would they travel in 5 days? make a table to show your work

    asked by jill
  124. Chemistry

    What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

    asked by Violet
  125. Geography

    Why did East Pakistan feel discriminated against by west Pakistan

    asked by James
  126. chemistry

    t 103 ◦ C, the pressure of a sample of nitrogen is 1 . 89 atm. What will the pressure be at 275 ◦ C, assuming constant volume? Answer in units of atm

    asked by Kyle
  127. Maths

    The dimensions of rectangle B are twice the dimensions of rectangle A. The area of rectangle B is 200 cm2. What is the area of rectangle A?

    asked by Sanya
  128. Calculus

    please help!!!!Apply newtons method to approximate the x-values of the indicated points of intersection of the 2 graphs. continue the process until 2 successive approximations differ by less than 0.001. (Hint: Let h(x)=f(x)-g(x)) f(x)=x^6 g(x)=cos(x) x=

    asked by cliff
  129. Math

    How many 6 inch pieces can you cut from a spool of ribbon that is 10 yards long?

    asked by Drew
  130. chemistry

    How much water must be added to 440. mL of 0.204 M HCl to produce a 0.139 M solution? (Assume that the volumes are additive.)

    asked by mary
  131. siyamkela

    ways in which you critically discuss the impact of the lack of physical fitness and proper nutrition in the adolescent,on the teenager

    asked by khanyi
  132. Chemistry

    At 103◦C, the pressure of a sample of nitrogen is 1.89 atm. What will the pressure be at 275◦C, assuming constant volume? Answer in units of atm

    asked by Kyle
  133. Algebra

    I have one question I really need help with. I know the partial sum process but my numbers don't seem to come out to what I think it should be. Find the partial sum S6 1. An=3n+2

    asked by Jess
  134. MATH

    I have a test in about an hour and a half and am having some difficulty on the review the teacher gave us to help us prepare. Any help would be great! *Convert the polar equation to a rectangular equation. rsin(theta - Pi/4) =5 -The answer is given as y=

    asked by Daisy
  135. statistics

    . In his management information systems textbook, Professor David Kroenke raises an interesting point: “If 98% of our market has Internet access, do we have a responsibility to provide non-Internet materials to that other 2%? Suppose that 98% of the

    asked by michel
  136. Math Technology

    A pilot is flying to a destination 700 miles away at a bearing of 105 degrees. The cruising speed of the plane is 500 mile per hour and the the wind is blowing between 20 and 30 miles per hour at a bearing of 30 degrees. At what bearing should the pilot

    asked by Irma
  137. physics

    A man of mass 78.5 kg walks down the aisle of an airplane at a speed of 1.40 m/s in the forward direction while the plane moves at a speed of 320 m/s relative to the earth. (a) Find the man's kinetic energy relative to the plane. (b) Find the man's kinetic

    asked by Help
  138. Calculus

    If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 - 120x^2 + 500 for 0 _< x _< 100, a. Sketch the graphs of the functions R(x)

    asked by Wiz
  139. phyiscs

    In a nuclear power plant, _

    asked by Anonymous
  140. physics

    A positively charged particle of mass 5.20 10-8 kg is traveling due east with a speed of 30 m/s and enters a 0.37-T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 4.20 10-3 s, at which time it leaves the field

    asked by Anonymous
  141. Calculus

    A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 -4 -9 5 0 5 0 -6 9 -4 5 5 9 -5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)

    asked by Travis
  142. math

    subtract 27 8/9 from 59 5/12 and reduce your answer to lowest terms.

    asked by tim
  143. Chemistry

    A mixture is prepared by adding 0.25 L of 2.5 x 10^-3 M MgCl2 (aq) to 0.20 L of 0.010 M H2CO3 (aq). Does a precipitate form when the two solutions mix?

    asked by Shelly
  144. physical

    Rank the following 3 classes of materials in order of increasing typical Young's Modulus: metals such as copper, plastics such as HDPE (high density polyethelene), and ceramics such as alumina (Al2O3). Do not look up the values of Young's Modulus, instead

    asked by Anonymous
  145. chemistry

    The concentration of saturated NaOH is 50.0% w/w and the density is 1.52 g/mL. If exactly 8.50 mL were diluted to 1.000 L, what would be the concentration?

    asked by Ashley
  146. Algebra 2

    The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?

    asked by Tifini
  147. math 140

    Use differences to find a pattern in the sequence. 1,1,11,36,81,151,251 Assuming the pattern continues, the eight term should be.

    asked by betsy
  148. chem

    4.25 g. of zinc hypochlorite is dissolved in 215 ml. of water. what is the molarity of the solution

    asked by yosick
  149. help

    If you triple 4 and subtract 2 each day, how many days until you have zero?*

    asked by becky
  150. history

    Who was the 32nd and 18th president of the United States?

    asked by mathwiz
  151. english

    the couple ordered ___ for hors d'oeuvres at the wedding a)pumpkin pie b)cake c)soup d)stuffed mushrooms?

    asked by mike
  152. Statistics and Research Methods

    Walk me through the steps of answering these question in reference to the word problem. In fictional study, a pretest-posttest design was used to examine the influence of a television program on children's aggressiveness. The number of aggressive responses

    asked by DrewS
  153. chemistry

    3. Based on your answer in question 2, determine the percent error of your calculated specific heat capacity value of your unknown metal using the specific heat capacities of known metals below. Metal Specific Heat Capacity Nickel 0.440 Tin 0.210 Silver

    asked by lex
  154. math

    1/3and2/3 of the property costs 600 and 1200 respectivly what is the cost of total property

    asked by vaidehi
  155. early chilhood

    If an early childhood teacher were to learn a second language along with learning Standard English, what language should it be?

    asked by betsy
  156. early childhood

    What problems might non-English speaking preschoolers encounter in their attempts to play with others?

    asked by betsy
  157. Math

    Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are

    asked by Sunny
  158. Math

    Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are

    asked by Sunny
  159. algebra

    If a pendulum is 30 feet long what is the period of the pendulum in seconds with function l = 0.81t^2

    asked by mike
  160. math

    A plane travelling a velocity of 100km/h to south encounters aside wind blowing at 25km/h to the west what is its velocity to an observer on the ground?

    asked by mussa
  161. Chemistry

    What is the molarity of an aqueous solution containing 27.3 g of glucose (C6H12O6) in 1.7 L of solution?

    asked by Shawn
  162. Precalculus with Trigonometry

    What values of theta between 0 and 2pi solve the following equation? sin squared (2theta)-sin(2theta)-2=0 NOTE: if you choose to plot this, a good WINDOW is (0,2pi) x (-3,3).

    asked by Natalie
  163. mechanics

    A space aircraft is launched staight up.The aircraft motor provide aconstant acceleration for 10 second ,then it stops.the aircraft's altitude 15 second after launch is 2 km.ignore air friction.what is the acceleration and the maximum speed reached in

    asked by shone
  164. Busines Ethics

    Imagine you are a salesperson.When does offering a gift,Such as basketball tickets,become a bribe rather than just a sales practis ?

    asked by Lily
  165. Physics

    A positively charged particle of mass 5.60 10-8 kg is traveling due east with a speed of 60 m/s and enters a 0.49-T uniform magnetic field. The particle moves through one-quarter of a circle in a time of 1.20 10-3 s, at which time it leaves the field

    asked by Don
  166. Math

    When Subtracting A Negative Number You Move Left On the Number Line. True Or False

    asked by Zhanise
  167. English

    Which of the following is NOT true about persuasive speaking compared to informative speaking? A. Involves more emotional appeal. B. Asks for commitment from the audience. C. Impartial point of view. D. Emotion-evoking language. is it C

    asked by Amy
  168. median and mode

    What is the median of this set of numbers 85,48,75,36,55

    asked by Ella
  169. math

    solution of 24.15 divided by 15

    asked by eliseo lacanaria
  170. grade12 LO

    describe the lifestyle disease/behaviour of cancer and mention 5 factors that contribute to the disease/behaviour of cancer

    asked by lisa
  171. economics

    determine the relevance of taxation to Nigerian government. outline the difficulties encountered by tax collectors in nigeria.

    asked by jolomi
  172. Math

    A cafeteria manager needs to know how many apples and bananas to place in a cafeteria vending machine. He conducted a survey, and all students who respended chose either an apple or banana as their preferred fruit. The survey results show that 3/4 of the

    asked by Jessica
  173. christian religious knowledge

    repentance is necessary condition for forgiveness to take place. explain this statement with reference to the life of david

    asked by jolomi
  174. Math

    - 1/4 Is Greater Than -8

    asked by Zhanise
  175. Math

    At a banquet, the ratio of hot drinks to cold drinks was 5 to 3. A total of 400 drinks were served. How many were hot?

    asked by Haylei
  176. Math Stem and leaf plots

    Stem Leaf 2 9 3 6 6 7 8 9 4 4 5 5 7 9 5 1 4 9 6 1 3 5 Between what numbers are most of the points earned? 6

    asked by Jerald
  177. Math

    When Adding A Negative Number On A Numberline You Move Left On the Number Line. True Or False

    asked by Zhanise
  178. Math

    A drama teacher needs to make 6 costumes for dancers in a play. Each costumes takes one and a half meters of cloth.The cloth is sold only by the yard.What is the best estimate of the number of yards the teacher must buy to make sure she has enough cloth

    asked by Sunny
  179. math 140

    4-5z=19

    asked by betsy
  180. Math

    If There Are 3 Runners On The Track And Runner 1 Has Done 3 1/2 Laps, Runner 2 Has Done 4 3/4 Laps And Runner 3 Has Done 2 1/8 Laps, How Many Laps Have All 3 runners Done Combined?

    asked by Zhanise
  181. Math

    A catalog company sells two styles of kitchen towels, plain and stiped. In order to have the correct numbers of each style in stock, the purchasing department studied recent orders. These orders showed that the ratio of plain towels to total towels sold

    asked by Angeles
  182. math 140

    7(3x+9)+(x+3)=11

    asked by betsy
  183. health

    imagining potential negative big events is one way that a person can manage his or her stress. to help with this, one should

    asked by Anonymous
  184. Algebra

    What is the correct factorization of x^2(x-8)+5(8-x)?

    asked by Mary
  185. math

    . A clothing store has everything on sale for between 10% and 40% off. This can be represented by the system of inequalities shown below, where y is the amount of discount and x is the cost of the clothing item.

    asked by hyzeem banks
  186. Math

    There Is 3/4 Of Class 218 Going To Art And 1/8 Going To Gym. The Rest Of The Class Is Going To Computer Class. What Fraction Of The Class Is Going To Computers ?

    asked by Zhanise
  187. Discrete Math

    8 trophies can be awarded to 30 people in how many different ways

    asked by Ron
  188. math

    the sum of the lengths of any two sides of a triangle must be greater that the length of the third side. what are the possible valuse of x for this triangle. if the sides are (x+5)cm, and (3x)cm, and 40cm

    asked by mandie
  189. math

    A survey of cat owners showed that 3 our of 16 owners got their cats from animal shelters. Of thee 80 cat owners surveyed, how many did NOT get there cats from shelter?

    asked by Jamiey
  190. physics

    a toy moves on a horizontal surface with a speed of 3m/s.it makes 8 turns in 5 seconds,whats the diameter of the wheel?

    asked by erassy
  191. science computer

    accept input age, height and weight for some people. The loop will stop when the user enters value 0 for age. Calculate average for age, height and weight, and print the number of people and average age, height and weight.

    asked by alynn
  192. Math

    (8/8)-(6/8+1/8)=

    asked by Zhanise
  193. math140

    If 5 sweaters cost $66.35 how much would 8 sweaters cost?

    asked by betsy
  194. Math

    (-8)*7

    asked by Zhanise
  195. math

    find the value of x in the equation 6x +4(70-x)=300

    asked by jean
  196. science

    Convert 32 newton-meters to Joules. Please help!

    asked by Cherie
  197. physics

    Three different forces produce the same displacement: the vector Delta(r) starts at the left edge of your computer monitor and the tip points to the right edge of your monitor in a horizontal orientation. The first force has a magnitude of 10 N and it is

    asked by Jamie
  198. Math

    Write an expression for 5 and m more

    asked by Isa
  199. Math

    4 * (-6)

    asked by Zhanise
  200. Math

    Find the dimensions of a rectangular cover plate if its length is 8 inches longer than its width if its parameter is 60 inches(Hint:P=2L=2W)

    asked by Monica
  201. math

    what percent of 6,350 is 1,397?

    asked by sarah
  202. Life orientation

    Ways in which the human or ennvironmental problem impacts on the community.

    asked by Shirley
  203. Discrete Math

    If n is a positive integer and n > 1,prove that (n) + (n-1) is a perfect sq  (2) ( 2 )

    asked by Ron
  204. geometry

    if the midpoints of the sides of a parallelogram in succession are joined, the quadrilatral formed is a a parallogram. Prove this theorem in euclidean geometry using analytic techniques

    asked by denise
  205. Math

    Mr.Algieri Needs 4 1/2 Yds Of Dirt For A Planting Job. The Gravel Yard Sells A Yard Of Dirt For $ 27.95. How Much Will It Cost Mf. Algieri For The Dirt? If Mr. Algieri Has $ 125.00 To Pay For The Materials, Does He Have Enough Money?

    asked by Zhanise
  206. math

    Roger has three employees who earn $500, $550, and $700, respectively. how much does Roger owe for SUTA and FUTA in the first weeks? Assume a SUTA rate of $5.3% and a FUTA rate(after the company's credit for state unemployment tax) of .8%

    asked by tim
  207. Math

    Prove by induction : if n < =(2^k) -1 then we can find the number with k guesses

    asked by Steve
  208. English

    _____ do you think will be the winner of the next election? a. Who b. Whom

    asked by Jac
  209. Math

    Prove by induction : if n < =(2^k) -1 then we can find the number with k guesses

    asked by Steve
  210. Math

    Prove by induction : if n < =(2^k) -1 then we can find the number with k guesses

    asked by Steve
  211. Math

    An airplane is flying at a velocity of 300km/h S30degW in a wind blowing at a velocity of 50km/h S20degE. What is the true speed and direction of the plane?

    asked by Richard
  212. math help-emergency

    I've been trying this alooot of times and couldn't get this answer in the book : 4(x-1)(2x+1) This is the problem: 9x^2-(x+2)^2

    asked by Didiiiiiiiiiiiiiiiiiii
  213. science

    Does a rollercoaster have its greatest GPE at the top of the tallest hill or the bottom of the lowest dip?

    asked by Anonymous
  214. early childhood

    Name four elements of successful English-language leaner programs for preschoolers.

    asked by betsy
  215. Physics

    The magnification of an object 2km tall where placed in 150m in front of a plane mirror is ?

    asked by Omonayin Isreal
  216. Discrete Math

    If n is a positive integer and n > 1, prove that (n over 2)+ (n-1 over 2) is a perfect square.

    asked by Ron
  217. science

    Pls how can I carry out qualitative analysis on iron 11 ammonium sulphate hexahydrate (NH4)2SO4.FeSO4.6H2O in a secondary school laboratory?

    asked by jibaorex
  218. English

    Pretend you are a modern social worker, educator, environmentalist, or military advisor to the president. Attack an evil you see the work by writing an ironic proposal and the proposal have to be outrageous

    asked by John
  219. early childhood

    By six to twelve months of age an infant is a specialist in his own native language. Explain.

    asked by betsy
  220. chemistry

    What is the concentration when 60.0 mL of a 9.00 M HCl solution is diluted to 1.170 liters? and how do you solve this problem?

    asked by katie
  221. math

    If a cylinder’s height is four times its radius, if the cyclinder’s volume (ignoring the metals’ thickness) is 1000 cubic centimeters, and if the radius and hence the height could be in error plus or minus .2325%, determine the relative percentage

    asked by Anonymous
  222. math

    2a2+5a-25=0

    asked by tyler
  223. Math

    13% of what number is 16.25?

    asked by Kaiden
  224. algebra word problem

    To remodel a bathroom a contractor Charles $25 er hour plus material costs, which amount to $3825. Therefore, the total cost to remodel he bathroom is given by f(x)=25x+3825 where x is the number of hours the contractor works. Find a formula for f^-1(x).

    asked by Anonymous
  225. Algebra

    Explain how to factor the difference of two squares.

    asked by Mary
  226. polamar

    order these fraction from least to greatest 3/4,-2/3,7/10,-5/6

    asked by abby
  227. stats

    given n=74 an x=32.find ^p and ^q

    asked by Chris
  228. english

    CHANGE TO PASSIVE VOICE;MY SISTER SPEAKS THREE DIFFERENT LANGUAGES QUITE FLUENTLY

    asked by Anonymous
  229. Please help me here!!! Maths

    Isolve for x: ln(x^2-6x-16)= 0 . help me beacuse I do not have the idea to work it out.

    asked by Seth
  230. math

    5 seamstresses can make shirts in 3 days so how many can 7 make in 10 days??

    asked by Anonymous
  231. Maths

    Find the value of x: (2x-1)/(x+1)=2x/(x-1)-(5/x)

    asked by Seth
  232. algebra (f°g) problem

    Find (f°g)(2) when f(x)=5x+9 and g(x)=1/x Thank you!

    asked by Anonymous
  233. chemistry

    While doing a titration lab to determine concentration of hydrogen peroxide what is the purpose of using an acid to dilute th H2O2?

    asked by missy
  234. Calculus- Vectors

    I've come across this math problem and need help on working it out. Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 5 kg. The ropes, fastened at different heights, make

    asked by Anonymous
  235. Math

    Factor the trinomial completely. y to the 2power minus 2x minus 3=

    asked by ReRe
  236. Math

    Factor the trinomial completely. y to the 3rd power minus 14y to the 2nd power plus 48y

    asked by ReRe
  237. Chemistry

    Okay so I'm having a brainfart here. I'm doing a titration problem and have got to the point of: 3.6x10^9 = (.01218-x)/(x)(.00316+x) I don't know how to proceed from there and use the quadratic formula as silly as it sounds. Any help would be appreciated!

    asked by Megan
  238. Math Statistical Concepts for Research

    I am having trouble finding an article that incorporates research of confidence intervals to market a new product. I will need to Summarize the information and suggest if is it wise to go ahead and market the product. Do you any suggestions on a article I

    asked by Tameika
  239. math

    sunita is 5year older than kavita the sum of thair age after 10 year will be 55year their present age is kavita 15 year and sunita 20 year how?

    asked by vaidehi
  240. science

    if aluminum has the density of 2.7g what would the mass be?

    asked by Brandon
  241. math

    4xsquared=32

    asked by sally
  242. Math Statistical Concepts for Research

    what is repeated sampling?

    asked by Tameika
  243. Accounting

    1. Complete Problem 14.1 on page 279 of the course text (solution is on page 501-502). Next, work the problem again using the following variables: project yield annual net cash inflows are $10,500 for the next five years; interest rate of 16.5%, and the

    asked by Nicole
  244. math

    if 4/5 th strenght of a class is 80. what is the total strength of a class?

    asked by vaidehi
  245. math

    A bourbon that is 51-proof is 25.5% alcohol by volume while one that is 82-proof is 41% alcohol by volume. How many liters of 51 proof bourbon must be mixed with 1.0-L of 82 proof bourbon to produce a 66 proof bourbon? Give answer to three decimal places.

    asked by Lorie
  246. foundations of algebra

    if 950 watts gives a 164 mile radius, how much power is needed to get a 150,000 square mile area?

    asked by james
  247. Economics

    Normally, higher interest rates in a country cause the ___ for that country's currency to increase as money flows to the higher interest rates. This depends on the perceived ___. For the first blank I have "demand", but I'm not sure about the second blank?

    asked by Julie
  248. Math

    Collision insurance is insurance that safeguards the owner of the vehicle from damages that occur from vandalism, weather, or theft. A. True B. False

    asked by jessica
  249. Physics

    A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2 which is correct) but cant get part 2 PART 2~ If the index of refraction of n3 is

    asked by Zach
  250. Physics

    I am trying to help my step son who missed half of physics class due to a funeral. A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2

    asked by Chad
  251. english/writing

    how can i write this sentence in a different way The Scarlet Letter was one of the first mass-produced books in the United States upon its release in 1850, and it received much praise and criticism for the novels supposed morbidity.

    asked by Sarah
  252. mechanics

    A cat is sleeping on the floor in the middle of a 4m wide room when a barking dog enters with a speed of 1.8m/s. As the dog enters, the cat immediately accelerates at 0.85m/s^2 towards an open window on the opposite side of the room. The dog; a bit amazed

    asked by Kemmone
  253. Math

    A tea company is making a special blend of two teas for aa customer. The ratio of Kenyan tea to Darjeeling tea in the blend is 4 to 5. How much Darjeeling tea is in 90 ounces of the blend?

    asked by Jessica
  254. Chemistry

    What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

    asked by Violet
  255. 7th Grade Language Arts

    The word simulation originally refers to the act of imitating. What meaning of the word is used in this excerpt from "What Makes Teens Tick?" "In an experiment using a driving-simulation game, he studied teens and adults as they decided whether to run a

    asked by Gabby
  256. philosophy

    I am to identify a film, television show, or other form of media art that involves cahracters/narrators reflecting upon the nature of identity and self. I want to write about Sex and the City. i was wondering do you think this would be a good topic. The

    asked by angela
  257. abc

    Alice, Bob, Candice and David run for school president. There are 201 students in the school and each student can vote for only one candidate. The person with the largest number of votes is the winner. If every student votes, what is the minimum number of

    asked by Anonymous
  258. closure propery

    Is this set closed under multiplication {-1, 0, 1}

    asked by luckybee
  259. Math

    The Additive Inverse Of 7 Is -7. True Or False

    asked by Zhanise
  260. Life Orientation

    5 recommendations on how to address pollution

    asked by Suprise
  261. Math (Combinatorics)

    A newly designed international airport is planning to label its gates. Each gate must be assigned a letter from the alphabet from A to M (13 in all), and a number from 1 to 15. To avoid confusion, any two gates must be assigned a different letter, or a

    asked by Chandler
  262. Please Help work it out! Maths

    (2x-1)/(x+1)=2X/(X-1)+ (5/X)

    asked by Seth
  263. calculating range

    calculating the range of 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Is the range 16-0 =16

    asked by luckybee
  264. Please Help work it out! Maths

    1/(X-2)=3/(X+2)-(6X/(X^2-4)

    asked by Seth
  265. chemistry/science

    What are the groups of atoms inside iron called?

    asked by jo
  266. Please Help!!!! Maths

    X^2-6X+1=(3X+5)/2

    asked by Seth
  267. Please Help work it out! LOGARITHM

    log4(3x-7)^2=10. I have no idea in working it out.

    asked by Seth
  268. algebra

    For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below. Use the code [1,-2_-3,7] encode the phrase "ONE QUESTION TO GO" The matrix C=[1,-2_-3,7] was used to encode a phrase to

    asked by lee
  269. law

    legal meorandum

    asked by Anonymous
  270. math

    will smeone please help me solve this question. Simplify the expression. Write your answer in the lowest terms ans leave it in factored form. __3y__ + ___4__ y(4y-1) 4y-1

    asked by Michael
  271. math

    will someone check to see if I have this question correct please. divide and simiplify to lowest terms. __2x^2-8_ divided by __x-4__ 5x-8 5x-8

    asked by Michael
  272. math

    how do i find the diameter of a circle c=44

    asked by kike
  273. civic education

    ways you as an individual can improve your personal relationship between 2 weeks

    asked by jolomi
  274. Math

    Always Line Up Decimal Points When Adding Rational Numbers. True Or False

    asked by Zhanise
  275. art

    Which aesthetic judges art on how well it expresses feelings moods and ideas

    asked by Anonymous
  276. grade12 life orintation

    which 5 ways you critically discuss how lifestyle disease/behaviour impact on the teenager (cancer)

    asked by Lisa
  277. math

    There are 12 girls in one of the fifth grade classes. The number of girls is two-thirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?

    asked by Anonymous
  278. Math

    3 4/5 = 5*3+4/5. True Or False

    asked by Zhanise
  279. maths

    a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per year. using matrix multiplication determine how to divide rs 30000 among two types of bonds if the trust must obtain na annual

    asked by edward
  280. Precalculus with Trigonometry

    Draw and solve any triangles satisfying alpha = 20 degrees b = 10 c = 16

    asked by Natalie
  281. life orientation

    in 10-15 lines critically discuss 5 ways in which hiv and aids impacts on the community

    asked by marubini
  282. math

    Which number makes this inequality true? 5•9

    asked by Devan
  283. Math

    When Multiplying Rational Numbers You Count The Numbers Of Decimal Place Values In The Fact. True Or False

    asked by Zhanise
  284. math

    find the value of k such that the equation e^(2x)=krootx has exactly one solution.

    asked by tom
  285. Math- Partial Fractions

    Decompose the following into partial fractions after factoring the denominator as much as possible. Please show some work so I can understand how you did it. 1)x^2/((x-1)(x^2+5x+4)) 2)(3x^3-5x^2+12x+4)/(x^4-16) 3)1/(x^2 (x+1)^2 ) 4)(x+1)/((x^2+1)

    asked by Chris
  286. English

    Any drinks that start with Q? Doing this thing for school where we have 10 topics and 1 of them is drinks and I cant think of a drink that starts with Q. Name things of that topic from A-Z of the alphabet

    asked by Anonymous
  287. math

    solve and check your answer. Please check this for me to see if I have the right answer. __2__ = __3__ 1-x 1+x x= 1/5

    asked by Michael
  288. math ugh.

    at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?

    asked by Christian
  289. chemistry

    What will be the final pH value if you mix 50ml HCl (aqueous solution, pH=0.5) and 40ml NaOH (aqueous solution, pH=12). Hint: convert pH value to concentration of acids/base, then consider the neutralization reaction, then find out the resulting pH value.

    asked by Anonymous
  290. cars

    Which one of these statements is true about a "bumper-to-bumper" warranty.

    asked by Anonymous
  291. Math

    All Even Numbers Are To The Right Of Zero On A Numberline. True Or False

    asked by Zhanise
  292. math

    please check to see if I have this right. Divide and simplify to lowest terms. 2x^2-8x/5x-8 x-4/5x-8

    asked by Michael
  293. Math

    When You Add Fractions You Just Add Numerators And Denominators. true Or False

    asked by Zhanise
  294. Chemistry

    What is the difference in molecular chemistry between silicone polymers and other polymeric materials?

    asked by Violet
  295. physics

    The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference,

    asked by Anonymous
  296. Precalculus with Trigonometry

    Prove or disprove the following Identities: cos(-x) - sin(-x) = cos(x) + sin (x) sin raised to the 4 (theta) - cos raised to the 4 (theta) = sin squared (theta) - cos squared (theta) cos (x+(pi)/(6)) + sin (x - (pi)/(3)) = 0 cos(x+y)cos(x-y) = cos squared

    asked by Natalie
  297. Math

    SCR, Short Constructed Response, What Does S.S.S Stand For ?

    asked by Zhanise