Questions Asked on
May 5, 2010

  1. Chemistry

    Which of the following liquids would make a good solvent for iodine, I2? HCl H2O CH3OH NH3 CS2

    asked by Kari
  2. Chemistry

    At a particular temperature, K = 3.75 for the following reaction. SO2(g) + NO2(g) SO3(g) + NO(g) If all four gases had initial concentrations of 0.520 M, calculate the equilibrium concentrations of the gases

    asked by Erin
  3. Chemistry

    Calculate the pH of a buffered solution that is 0.100M in C6H5COOH (benzoic acid, Ka = 6.4 x 10-5) and 0.100M in sodium benzoate (NaC6H5COO).

    asked by Rachel
  4. Physics

    Two violin players tuning their instruments together hear 8 beats in 2 s. What is the frequency difference between the two violins

    asked by Anonymous
  5. Statistics

    A maker of microwave ovens advertises that no more than 10% of its microwaves need repair during the first 5 years of use. In a random sample of 57 microwaves that are 5 years old, 13% needed repairs. At á=0.01, can you reject the maker’s claim that no

    asked by George
  6. chemistry

    What can be said about opposing forces of attraction when sodium chloride dissolves in water?

    asked by Anonymous
  7. chemistry2

    if 160g of Al reacts with O2 to produce 260g of Al2O3.calculate the theoretical yield and the percent yield 4Al+3O2 2Al2 O3

    asked by chris
  8. Chemistry

    Magnesium reacts with oxygen to form magnesium oxide according to the following equation: 2Mg(s) + O2(g) ==> 2MGO(s) If 0.81 grams of magnesium oxide are formed, how many grams of oxygen reacted?

    asked by Danny
  9. Chemistry

    As a sample of the radioactive isotope 131 I decays, its half-life a)decreases b)increases c)remains the same

    asked by Danny
  10. chemistry

    describe the opposing forces of attraction that are at work in the dissolution of calcium chloride. which are greater?

    asked by Anonymous
  11. New Buffalo High

    how many milliliters of a stock solution of 2.00 M KNO3 would you need to prepare 100.0 mL of 0.150 M KNO3?

    asked by Nikki
  12. calculus

    A pilot wishes to reach an airport 350 Km due east from his present position. The wind is blowing from N25degreesE with a speed of 80Km/h and the planes airspeed is 400 km/h. What ground speed and what heading should the pilot steer to reach the airport?

    asked by Anonymous
  13. Chemistry

    What is the molar solubility of CaF2 if o,1o mol of NaF are added to 1.0L of a saturated solution of CaF2? The Ksp for CaF2 is 4.0 x 10^11. I get 4,0 x 10^9. Is this right?

    asked by Mary
  14. Chem

    Suppose solute A has a distribution coefficient of 1.0 between water and diethyl ether. Demonstrate that of 100mL of a solution of 5.0g of A in water were extracted with two 25-mL portions of ether, a smaller amount of A would remain in the water than if

    asked by Anonymous
  15. trig

    (2-2i)^5 find the given power write answer in rectangular form

    asked by stacey graham
  16. Physics

    A platform rotates at an angular speed of 2.2 rad/s. A block rests on this platform a distance of 0.3m from the axis. (friction coefficient .5) Without any external torgue acting on the system, the block is moved toward the axis. Ignore the moment of

    asked by Lola
  17. Statistics

    In a survey of 1037 adults, ages 65 and over, 643 were concerned about getting the flu. a) Find the point estimate for the population proportion , p , of those concerned about getting the flu. b) Construct a 90% Confidence Interval for the population

    asked by George
  18. Math

    "Three of the coordinates of the parallelogram STUV are S(-2,-2), T(7,7) and U(5,15). State the vector ST and hence determine the coordinates of V." So I've figured out that ST = (9,9), but I don't see how that helps me find V.

    asked by Stuck
  19. Chemistry

    Determine the boiling point elevation of H2O in each of the following solutions: 1)2.5 m solution of C6H12O6 (glucose)in H2O. 2) 3.20 g C6 H12 O6 in 1.00 kg H20 3) 20.0 C12 H22 O11 (sucrose) in 500.g H2O

    asked by Tina
  20. Math

    Choose two of the following types of displays: dot plots, stem and leaf plots, histographs, pictographs, line plots, or circle graphs. In which situations is it appropriate to display data using each type you selected?

    asked by Anonymous
  21. chemistry

    A 3.455 g sample of vinegar is titrated. It requires 16.83 mL of 0.2145 M NaOH to get to the phenolphthalein end point. Calculate the weight percent of acetic acid in this sample of vinegar. ____ % Note: calculate the molecular weight to one decimal place,

    asked by ashlee
  22. Chemistry

    Can somone please explain this problem to me? The hydrolysis equilibrium constant (Ka) for NH2NH3+ is 5.88E-9 (eq. 1). (eq. 1): NH2NH3+(aq) + H2O(l) = H3O+(aq) + NH2NH2(aq) Calculate the value of the base dissociation constant (Kb) for NH2NH2 as shown in

    asked by John
  23. chemistry

    Three gases (8.00 of methane, , 18.0 of ethane, , and an unknown amount of propane, ) were added to the same 10.0- container. At 23.0 , the total pressure in the container is 3.50 . Calculate the partial pressure of each gas in the container.

    asked by emmanuel
  24. English

    Can you help me paraphrase the meaning of the following lines? 1)The plants are described as "veins bathed in liquor of such power as brings about the engendering of the flowers". The plants are described as veins soaked in a liquor of such power that it

    asked by Franco
  25. statistics

    An auto maker estimates that the mean gas mileage of its sport utility vehicle is 20 miles per gallon. A random sample of 8 such vehicles had a mean of 18 per gallon and a standard deviation of 5 miles per gallon. At á=0.05, can you reject the auto

    asked by George
  26. math

    a boat crosses a river and arrives at a point on the opposite bank directly across from its starting position. The boat traveks at 4m/s and the current is 2m/s. If the river is 600 m wide in what direction must the boat steer and how long will it take to

    asked by Ann
  27. Physics 1

    Forces of 20 N at 80 degrees, and 50 N at an angle of 210 degrees, measured counter-clockwise from the positive x-axis, act on an object. What are the components (Fx, Fy) of the resultant force (in Newtons)?

    asked by Fallon
  28. Vectors

    A triangle has vertices A(2,3,7), B(0,-3,4) and C(5,2,-4) a.) Determine the largest angle in the triangle.

    asked by Sarah
  29. chemistry

    How many grams of hydrogen can be produced by the electrolysis of water with a current of 0.442 A running for 2.00 min? I got 0.000549g. can someone check my answer

    asked by long
  30. 11th grade Physics

    A long,straight current-carrying wire runs from north to south. A) A compass needle placed above the wire points with its N-pole toward the east. In what direction is the current flowing? B) If a compass is put underneath the wire, which direction will the

    asked by David Nipp
  31. Physics

    A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force acting on the wire is 0.60N and is directed downward. What is the strengh and direction of the magnetic field?

    asked by Javier
  32. Chemistry

    Calculate the molar concentration of H+ ion of a solution that is 3.45×10-1 M in CH3CO2H and 1.62×10-3 M in the salt CH3CO2Li. CH3CO2H(aq) = CH3CO2-(aq) + H+(aq)

    asked by Jeby
  33. Chemistry

    Calculate the molality of 6.00 M H2SO4 solution. The density of the solution is 1.34 g/mL.

    asked by Kari
  34. Physics 1

    A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier is 8.67 m/s. After coasting a distance of 1.92 m up the slope, the speed of the skier is 4.33 m/s. Calculate the work done by

    asked by Fallon
  35. Chemistry

    Compare two reactions, one requiring the simultaneous collision of three molecules and the other requiring a collision between two molecules. From the standpoint of statistics, which reaction should be faster? Can someone please help&explain this please?

    asked by Jon
  36. middle school

    Two news helicopters are flying in the same altitude on the way to a political rally. Helicopter A is due 20 miles west of the rally. Helicopter B is 15 mies south and 15 miles each. How far apart is each helicopter? How far from the rally is each

    asked by Franklin
  37. Physics 1

    A 0.620 kg basketball is dropped out of a window that is 6.40 m above the ground. The ball is caught by a person whose hands are 1.61 m above the ground. How much work is done on the ball by its weight?

    asked by Fallon
  38. chemistry

    How many mL of 0.750 M HCl are needed to neutralize 14.89 mL of 0.350 M NaOH? ____ mL

    asked by ashlee
  39. chemistry

    under what condition will the condensation of a liquid be an irreversible process?

    asked by Felicia
  40. Chemistry

    How many milliliters of a 0.20 M KOH are needed to completely neutralize 90.0 milliliters of 0.10 M HCl?

    asked by Danny
  41. College Chemistry

    Is 50.0mL of 1.0 MHF and 50.0 mL of 1.0M NaOH a buffer solution with a pH of 3?

    asked by Bill
  42. Math

    Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole. r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin 3pi/2 sin h) cos 3pi/2 = 0 sin 3pi/2 = -1 Not symmetrical My teacher said that this was wrong!Why?

    asked by Abbey
  43. poetry

    what are some possible nature poems with a rhyme scheme of AAAA or AABB or ABAB or ABCB WITH alliteration,metaphor,onomatopoeia,personification,and simile

    asked by kassandra
  44. Economics

    2.The owner-manager of Good Guys Enterprises obtains utility from income(profit) and from having the firm behave in a socially conscious manner, such as making charitable contributions or civic expenditures. Can you set up the problem and derive the

    asked by Jorie
  45. writing

    I am writing a character analysis on "everyday use" by alice walker. I am having trouble with my thesis. This is what I have "Even though Mama loves both of her daughters, she is jealous of Dee’s true characteristics of being strong-minded, educated, and

    asked by tina
  46. chemistry

    dimethylglyoxime is used as a reagent in qualitative analysis to precipitate the nickel(II) ion. a solution is made by dissolving 57.0 grams of DMG in 430.0 g of ethanol. (a) what is the mole fraction of DMG in this solution? (b) what is the molality of

    asked by Anonymous
  47. health

    what is spiritual health?

    asked by ronnel
  48. Physics

    A 0.50m long wire is carrying a current of 8.0A toward the east. The wire passes through a magnetic field of 0.40T toward the north. What is the force which acts on the wire? What is the direction of the force.

    asked by Javier
  49. calculus

    Find the volume of the solid formed by rotating the region enclosed by y=e^(1x+2), y=0 ,x=0 , x=0.7 about the x-axis.

    asked by mary
  50. Art

    Nonrepresentational art does not represent or refer to the visible world. True or False. I put True I'm I right?

    asked by Sabrina
  51. Math

    Find an equation of the parabola. vertex:(-1,2) focus:(-1,0) (x+1)^2 = 4p(y-2) (x+1)^2 = 0(y-2) (x+1)^2 = (y-2) Am I correct?

    asked by Abbey(Please help)
  52. English

    Posted by rfvv on Sunday, May 2, 2010 at 10:33pm. 1. Are you finished cleaning? 2. Are you finished with cleaning? (Which one is correct?) English - SraJMcGin, Sunday, May 2, 2010 at 11:09pm 1. Are you finished cleaning.= correct 2. I'd use the noun

    asked by rfvv
  53. chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick
  54. polymer chemistry

    A spherical rubber balloon has an initial thickness of 0.45mm, and diameter 250mm. Final diameter of 1000mm. Find final thickness, true stress in the plane of the balloon wall, Air pressure required. (Assume rubber is idea and obeys Guassian statistics,

    asked by nick
  55. 7th grade science

    what is the process that results from wind erosion?

    asked by mary
  56. Math

    Test for symmetry with repsect to Q=pi/2, the polar axis, and the pole. r=16cos 3Q r=16cos(3pi/3 + 3h) = 16(cos3pi/2 3h- sin 3pi/2 sin h) cos 3pi/2 = 0 sin 3pi/2 = -1 Not symmetrical My teacher said that this was wrong!Why?

    asked by Abbey(Please help)
  57. trig

    sec^2x/tanx -(tanx) how to simplify

    asked by stacey graham
  58. Math

    Find an equation for the hyperbola. vertices:(2,3)(2,-3) Foci:(2,5)(2,-5) I used the midpoint formula to find the center and I came up with (2,0). I just don't know how to find a and b.

    asked by Abbey(Urgent Please help)
  59. physics

    A 2.000-kg particle rests on a frictionless horizontal surface and is attached to the free end of a spring. The particle is pulled horizontally so that it stretches the spring 0.05 m and is then released from rest at t = 0. Determine the displacement, x,

    asked by lucas
  60. Vectors

    A mass 0f 10kg is suspended by 2 pieces of string, 30 cm and 40 cm long, from twp points that are 50cm apart and at the same level. Find the tension in each piece of string.

    asked by Darren
  61. Chemistry

    Does the solid Zn(OH)2 dissolve when concentrated lye, NaOH solution, is added to a beaker containing a saturated solution of Zn (OH)2 and a small amount of Zn(OH)2?

    asked by Ron
  62. physics

    five mole of an ideal gas are kept at a constant temperature of 53 degree celcius while the pressure of the gas is increased from 1 atm to 3 atm calculate the work done by the gas

    asked by bed
  63. calculus

    Evaluate the indefinite integral. integral of 4e^(4x)sin[e^(4x)]dx

    asked by mary
  64. calculus

    Find the volume of the solid formed by rotating the region enclosed by y=e^(1x+2), y=0 ,x=0 , x=0.7 about the x-axis.

    asked by mary
  65. math

    use a vertical motion model to find how long it will take a walnut to reach the ground if it falls from the top of a 55-foot tree?

    asked by elisabeth
  66. math

    joe plays ball for 1 hr. and 15 min. his mother calls him in for dinner at 5:05 pm. did joe start playing at 2:55 pm? explain how you know your answer is correct.Use numbers to explain your answer

    asked by st
  67. science

    1a)A block of mass=100kg is tied to a donkey that moves with constant acceleration of 20cm/s^2 up a 30 degree incline. What is the force with which the donkey pulls on the block parallel to the incline? the coefficient of kinetic friction between the

    asked by Anonymous
  68. Pre-Calculus/Trigonometry

    Sketch an angle in standard position 7Pie Divided by 12

    asked by Payalicou
  69. 11th grade Physics

    If you hold a bar magnet in each hand and bring your hands together, will the force be attractive or repulsive if the magnets arte held so that A) the tow north poles are brought close together? B) a north pole and a south pole are brought together?

    asked by David Nipp
  70. Art

    Which below became the most highly regarded art in Islamic lands? a. sculpture b. architecture c. calligraphy d. painting e. meatls I think it is B.

    asked by Sabrina
  71. General Math

    IF ONE CLERK CAN PROCESS 75 PIECES OF MAIL IN 2 AND A HALF HOURS, HOW LONG WILL ITTAKE EIGHT CLERKS TO PROCESS 1620 PIECESOF MAIL IF ALL OF THEM WORK AT THIS SAME RATE?

    asked by SAPPHIRE
  72. Math

    The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point for 0 is less than or equal to Q is less than 2pi. (-3,-3) My answers were (-3sqrt2, pi/4) and (pi/4, -3sqrt2). My teacher said that my answers have to be in

    asked by Abbey(Please help)
  73. Math

    Find the vertex, focus, and directrix of the parabola. x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25) vertex:(1,1.25) focus:(1,-.75) directrix: y=3.25 My teacher said that I have sign errors. I do not know where I went wrong.

    asked by Abbey(Please help)
  74. math

    Graph the linear equation. -3x + y = -6

    asked by zach
  75. english

    what verb tense is this sentence? By this time next sorung, ellis will write a book based on his research on the multitalented mockingbird.

    asked by brandon
  76. art

    Which below is NOT associated with Impressionists: a. influence of photography b. an interest in the effects of light and atmosphere c. a sketchines, broken brush strokes d. painting outdoors e. exotic subjects from Africa

    asked by Sabrina
  77. Physical Science

    Can anyone explain why covalent bonds are formed when nonmetals from the right side of the periodic table bond with each other with some examples?

    asked by Jackson
  78. Chemistry

    A solution may conain the ions Ba^2+, Ag^+, and Cu2+. Add sodium chloride and get a white predipitate. The supernatant is decanted, potassium sulfate solution is added to the supernatant and no reaction is observed. Add sodium hydroxide and get a blue

    asked by Mary
  79. Chemistry

    Does titrating HNO3 with NaOH have a neutral equivalence point where the pH = 7.0? I say yes. Is that right?

    asked by Mary
  80. Algebra

    Please help! I need to factorise and solve this equation, x^2 +x -30 =0 I then need to explain how I would use the answer drom this to solve the equation 4x^2 +4x-120=0

    asked by Mac
  81. science

    what part of a plant does vanilla represent

    asked by mary
  82. Math

    I have a bag of tiles 0-9. Without looking select a tile, record, return tile, select a second tile. What is the probability that exactly one tile will be a prime number?

    asked by Sally
  83. Pre-Cal

    Given that lim x-> f(x)=6 and that lim x-> g(x)= -4, evaluate the following limit. Assume that c is a constant. lim -2f(x) - 12 / g(x). x->. I did -2(6) - (12/-4) -12 - (-3) -12 + 3 -9

    asked by Randy
  84. basic psy

    example of classical conditioning acquisition, extinction, spontaneous recovery

    asked by anna
  85. Math

    2 square root 3(square root of 7- square root of 3)

    asked by Scott
  86. Math

    katie is going to adopt kittens from a litter of 11. how many ways can she choose a group of 3 kittens?

    asked by Leila
  87. math

    Nth expression for the following:6,11,17,24,32.....

    asked by Daniel
  88. Chemistry

    What is the pH when 0.40 g of NaOH is added to 50.0 mL of 0.10 M HCooh? No volume change. (The Ka for HCOOH = 1.8 x 10^4.)

    asked by Ron
  89. algebra

    Rewrite the following as an equivalent logarithmic equation.Do not solve. y^t = x answer logy+logt=logx-is this right also Express as an equivalent expression that is a sum of logt (3ab) the t is at the bottom of the g answer log3+loga+logb logarithms.

    asked by dani
  90. algebra

    Quan is shopping.He can buy 2 pairs of pants and 1 shirt for $79.85 (before tax is added). He can buy 1 pair of pants and 2 shirts for $69.85.(before tax is added). To figure out how much a shirt of a pair of pants cost, you must be able to write the

    asked by paul
  91. Speech

    Hi. I have to write a speech for student council vice president...this is what i have. tell me what you think! Hi! I’m Ella and I would like to be your student council vice president. You should vote for me because I am responsible, creative, good with

    asked by Ella
  92. English Literature

    The Celebrated Jumping Frog of Calaveras County 2. Wheeler suggest that the most surprising thing about Jim Smiley's betting was a. his success. b. his lack of success. c. his cheerful attitude about it. d. the range of things on which he would bet. I

    asked by Jennifer
  93. 11th grade Physics

    A student makes a magnet by winding wire around a nail and connecting the wire to a battery. Which end of the nail will be the north pole?

    asked by David Nipp
  94. 7th grade science

    what is the process that results from wind erosion?

    asked by mary
  95. Statistics

    A medical research team studied the number of head and neck injuries sustained by hockey players. Of the 200 players who wore a full-faced shield, 40 sustained an injury. Of the 250 players who wore a half-faced shield, 60 sustained an injury. At á =

    asked by George
  96. Grade 12 Grammar

    This sentence needs to be rewritten in order to avoid gender bias or sexist words. "Mr. Delvecchio, I'd like you to meet Mr. Hamid, Mr. Dawson, and Sophie, our secretary."

    asked by AL 92
  97. Math

    Find the vertex, focus, and directrix of the parabola. x^2 - 2x + 8y + 9 = 0 x^2 - 2x +1 = -8y + 9+ 1 (x-1)^2 = -8(y-1.25) vertex:(1,1.25) focus:(1,-.75) directrix: y=3.25

    asked by Abbey(Please help)
  98. social studies

    which ancient civilization was the first to invent ploughs, sundial, watercloock, paper, printing, umbrella, kites, wheel and gun pouder?

    asked by Pratiksha
  99. Chemistry

    What is the pH when 0.40 g of NaOH is added to 50,0 mL of 0.10 M HCOOH? No volume change. (Ka for HCOOH - 1.8 x 10^-4.)

    asked by Bill
  100. Chemistry

    which has biggest change in freezing point among sodium chloride,calcium chloride,and sucrose

    asked by Anonymous
  101. Biology

    Explain why a heavy rainfall on a fruit orchard in the spring might result in a poor fruit yeild in the fall.

    asked by Christina
  102. sentences please help

    whats a sentence for rivals, otanist, nurient.

    asked by mat
  103. algebra

    Quan is shopping.He can buy 2 pairs of pants and 1 shirt for $79.85 (before tax is added). He can buy 1 pair of pants and 2 shirts for $69.85.(before tax is added). To figure out how much a shirt of a pair of pants cost, you must be able to write the

    asked by paul
  104. algebra

    Can you please tell me me if the expression or equation that is equivant to 8^x=3 would be x log 3 = log 8?

    asked by dani
  105. 7th grade science

    what is the process that results from wind erosion?

    asked by mary
  106. chemistry

    if the mass of protons are halved and that of neutrons doubled to that of the actual values, what percentage change would have been found in the atomic mass of chromium whose actual atomic mass is 52.

    asked by jaya
  107. science

    A neckless weighing 50 g in air, but it wheighs 46 g in water . Assume copper is mixed with gold to prepare the neckless. Find out how much of copper is present in it?(specific gravity of gold is 20 and that of copper is 10)

    asked by arun
  108. Math

    The rectangular coordinates of a point are given. Find two sets of polar coordinates for the point for 0 is less than or equal to Q is less than 2pi. (-3,-3) My answers were (-3sqrt2, pi/4) and (pi/4, -3sqrt2). My teacher said that my answers have to be in

    asked by Abbey(Urgent Please help)
  109. 8th grade

    what is a historical fact about independent and dependent events. im having so much trouble finding this answer on the enternet. HELP! thanks

    asked by Dylan
  110. Accounting

    Which of these assets are "quick assets"? -Cash and cash equivalents -Short-term investment -Trading assets -Accounts receivable -Inventories -Deferred tax assets -Other current assets I am thinking "cash and cash equivalents" and "accounts receivable"

    asked by Mike
  111. Philosophy

    I need help understanding the following passage: “Could we suppose two distinct incommunicable consciousnesses acting in the same body, the one constantly by day, the other by night; and, on the other side, the same consciousness, acting by intervals, in

    asked by S
  112. Math

    what page in the 8th grade texas math book is the let,if,then problems.

    asked by Dude really
  113. Algebra

    Hi, I need to expand the bracket in this equation but am unsure of how too, any help would be appreciated. (4y-3)^2

    asked by Sam
  114. MEDICAL BILLING

    HOW TO FILL A INSURANCE CLAIM FORM FOR THIS : New F pt comes in complaining of it frat toe pain. Incised, drained, and cleaned ares around nail on it great toe. DX onychia and paronychia. strarted on antibiotic and adv to retn in 2 days for permanent

    asked by MIRIAM
  115. Math - another question

    "In the expansion of (2-ax)^5 the coefficient of x^2 is 5. Find the value of a". I know I have to use the binomial theorem to help me, but I don't know how.

    asked by Stuck
  116. physics

    when a automobile moves overe a wide, closed loop of embedded in a road surface, the magnetic field of the earth within the loop altered? is a pulse of current produced? can you cite a pratical application for this at a traffic intersection?

    asked by shead
  117. trig

    Graph three periods of the function. (identify period and phase shift and intercepts) y = f(x) = √3/2 sin(2x) - 1/2 cos(2x) if you can't graph it can you at least get it into that simpler form which is graph able.

    asked by richard
  118. English

    Thank you a lot for your corrections. Let me know if everything is OK now. 1) First, Chaucer describes the genle spring rain, which ends the drought of March. 2) Then he mentions the plants whose life source has such a powerful liquid that it sprouts the

    asked by Franco
  119. Chemistry

    explain how you would make the following solution. You should tell how many grams of the substance you need to make the solution, not how many moles. 2L of 6M HCl

    asked by Jenifer
  120. calc

    A car is heading northwest at 80 km/h and a truck is heading east at 60 km/h. Determine the velocity of the truck relative to the car.

    asked by Anonymous
  121. Accounting

    Which of these assets are "quick assets"? -Cash and cash equivalents -Short-term investment -Trading assets -Accounts receivable -Inventories -Deferred tax assets -Other current assets I am thinking "cash and cash equivalents" and "accounts receivable"

    asked by Mike
  122. algebra

    Quan is shopping. He can buy 2 pairs of pants and 1 shirts for $79.85 ( before tax is added). He can buy 1 pair of pants and 2 shirts for $69.85 (before tax is added). To figure out how much a shirt or a pair of pants costs,you must first identify the

    asked by paul
  123. literature

    for my literature class, I need to imitate Ray Bradbury and choose a plot/conflict that he would choose and write about it. I know that he likes writing sci-fi and stories set in future. do you have any ideas of what I could write about? it needs to be

    asked by ayla
  124. English

    Which of the following is CORRECT? A. She sings bad. B. He runs a well race. C. They won with a lucky shot. D. All of the above.

    asked by Judy
  125. chemistry

    explain how you would make the following solution. You should tell how many grams of the substance you need to make the solution, not how many moles. 2L of 6M HCl

    asked by Jenny
  126. math

    Solve the equation: 2x/5-x/3=3 How do u do this? Thank You!!!

    asked by Meghan
  127. algebra

    which inequality is the same as -4x + 2y = -2x + 4 b)y

    asked by paul
  128. trigonometric

    2 cos x - 1 =0

    asked by charles
  129. pronouns

    Are there any errors of pronoun use in these sentences? 1. Let's keep this a secret between you and me. 2. Each one of us have problems. 3. After we have seen it, we'll pass it along.

    asked by AL 92
  130. Biology

    For what biological reason do farmers object to picking apple blossoms during the apple blossom season?

    asked by Christina
  131. Philosophy

    I need help understanding the following passage: “Could we suppose two distinct incommunicable consciousnesses acting in the same body, the one constantly by day, the other by night; and, on the other side, the same consciousness, acting by intervals, in

    asked by S
  132. Physical Science

    with a pure substance how can you tell whether it is a compound or an element?

    asked by Jackson
  133. trig

    sin(theta)cos(theta)sec(theta)csc(theta) How do I simplify

    asked by stacey graham
  134. math

    When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in

    asked by casey
  135. math

    When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in

    asked by casey
  136. Math

    Find an equation of the hyperbola with its center at the origin. vertices:(3,0)(-3,0) Foci (5,0)(-5,0) My answer was x^2/3 - y^2/22 = 1. I do not know how to find a.

    asked by Abbey(Please help)
  137. physics

    can electric current be generated by magnetic force?

    asked by Larry
  138. math

    _______ = 32/(16/2) _______ = (32/16)/2

    asked by Anonymous
  139. geometry

    copying figures a - b a _______________________b i did a + b i was wondering if you do a - b the same way

    asked by yelena
  140. Math

    A computer transmits 11 Web pages in 4 seconds to a Web server. A second computer transmits 33 pages in 8 seconds to the server. Are these two computers transmitting at the same speed?

    asked by Sarai
  141. philosopher 105

    do you have any work on week 7 checkpoint phi 105?

    asked by lisa smith
  142. calculus 1

    can you please help me, i'm really confused Use the method of cylindrical shells to find the volume V of the solid obtained by rotating the region bounded by the given curves about the x-axis. y= 20sqrt y, x=0, y=1

    asked by Miya
  143. Chemistry

    Will or will no accor this reaction? Na + Al2(SO4)3

    asked by Robert Patric
  144. math

    How do get a percent from a equation that is cubed

    asked by Dude really
  145. AP history

    Decade charts - teacher looking for Prospects - what would that mean

    asked by mitch
  146. Math 115

    Determine the Maximum and minimum values: -3, 2, 7/12, -3/4, 5/6, -10/3, 5/2

    asked by Sonia
  147. Chemistry

    What is the (H30) concentration when 40 mL of 0.10 M nitrous acis, HNO2, are added to 10.0 mL of 0.10 M HCl? Ka for HNO2 is 4.0 x 10^-4. I get 1 x 10^-3. Is this right?

    asked by Mary
  148. 6th grade

    please explain me about acid and alkalis

    asked by zainab
  149. Pre-ap 7th grade math

    Beads for sale: 12cents for 15. Write an equation relating the cost (c) and the number of beads (n) for the beads.

    asked by Ken
  150. Chemistry

    SO3, CaCO3, Ag2S, and Zn(OH)2. Is this right?

    asked by Mary
  151. Chemistry

    I think that titrating NH3 with HCl solution has a neutral equivalence point where the pH = 7.0. Is this right?

    asked by Mary
  152. algebra

    how would i solve this rational equation y+2/y=1/y-5

    asked by Danielle
  153. algebra

    Graph the linear equation. -3x + y = -6

    asked by zach
  154. Pre-Cal

    Test for symmetry with respect to Q=pi/2, the polar axis, and the pole. r=6 sinQ I know I have to replace (r,Q) with (r,pi-Q) (r,-Q) and (-r,Q) so would that be (6,pi/2)? I do not know how to find the Q.

    asked by Abbey
  155. English-Statistics

    I'm doing a small research project and it's on Canadian statistics of date rape. What I need for this project: 1.Definition 2.Seven main points 3.I have to tie it in to Melinda's Situation. Melinda is a character in the book speak. She has gotten raped in

    asked by Sara
  156. history

    What factors that led to political stalemate and the subsequent farmers’ revolt in the late 19th century?

    asked by jen
  157. pre-cal

    solve this system of equation 3x-y+5z-2w=-44 x+6y+4z-w=1 5x-y+z+3w=-15 4y-z-8w=58

    asked by jenny
  158. Algebra

    Could someone check this for me please? The equation is 2/x+3 = 4/x+7, and I think the answer is x=1, I just need help showing the steps of how to get there if anyone knows? Many thanks for any help

    asked by Dereck
  159. Reading

    Can you summarize this but not reveal the ending like instead of the ending, type 'Read to find out what happened'. Backspace the spaces: h t t p : / / w w w . d o c i n . c o m / p - 3 4 5 9 9 3 4 9 . h t m l

    asked by Ishana Mishti Aapke Babe
  160. Keyboarding and Word processing

    The _______ enables you to see the hard returns on your screen.

    asked by Deanna
  161. Accounting

    Which of these assets are "quick assets"? -Cash and cash equivalents -Short-term investment -Trading assets -Accounts receivable -Inventories -Deferred tax assets -Other current assets I am thinking "cash and cash equivalents" and "accounts receivable"

    asked by Mike
  162. WRITING(POEMS)

    IS BUTTERYNESS SPELLED LIKE THIS BECAUSE SPELL CHECK IS NOT PICKING IT UP .

    asked by lauren
  163. Keyboarding and Word Processing

    The _________ enables you to see the hard returns on your screen. Choices are: STATUS BAR, SCROLL BAR, SHOW/HIDE BUTTON, or PRINT PREVIEW BUTTON.

    asked by Deanna
  164. psychology

    Discuss the turmoil theory of adolescence

    asked by Lallie
  165. Physics

    A copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the weight of the wire?

    asked by Javier
  166. Chemistry

    What does the subscript "s" on H2O(s) signify? A. seconds B. Super hard C. It is in its standard state. D. It's a solid

    asked by Tierra
  167. Math

    State whether each expression is a polynomial. If the expression is a polynomial, identify it as monomial,a binomial, or a trinomial. 1.1/5y^3+y^2-9 2.6g^2h^3k Are these the right answers? Thanks 1.No 2.Yes, monomials.

    asked by Shadow
  168. Math

    (1+ square root of 5)(square root of 3-square root of 5)

    asked by Scott
  169. basic psy

    classical conditioning examples of us - the clicking of the gun ur - running away cs - gun shoots cr - the running away from the clicking of the gun are theses correct examples

    asked by anna
  170. math

    8-3g=-2+2g

    asked by mckenzie
  171. chemistry

    What is the molarity of H3O+ in a 5.33×10^-4 M NH2NH3Cl solution that hydrolyzes according to the equation. NH2NH3^+(aq) + H2O(l) = H3O^+(aq) + NH2NH2(aq)

    asked by Diem
  172. Reading

    Can you summarize this please? 'Contagion'

    asked by Ishana Mishti Aapke Babe
  173. algebra

    find all numbers for which the rational expression is undefined 8/x-4

    asked by Blake
  174. French

    Could you please tell my why it is: "Une vraie joie de vivre habite cette famille" and not: "Une vraie joie de vivre vit cette famille" Merci beaucoup!

    asked by E.G.
  175. managerial economics

    Robert E. Lee Grade School is contemplating a chocolate bar fund raiser. Weekly sales data from Mrs. Grant's fifth grade class indicate that: Q = 4,000 - 1,000P where Q is chocolate bar sales and P is price. i) How many chocolate bars could be sold at RM2

    asked by genise
  176. math- geometry

    x^2+y^2=100

    asked by Rick
  177. 8th grade algebra

    need ideas of personal experiences to create a mathematical story problem using 4 pictures of this experience and solve the problem.

    asked by Raylen
  178. 8th grade algebra

    need ideas of personal experiences to create a mathematical story problem using 4 pictures of this experience and solve the problem.

    asked by Raylen
  179. Math

    Hi, can anyone help to: determine the equation of a parabola with the vetex (0,3) and passing through (3,4)? How to figure out the coeffiecient of X?

    asked by Me
  180. Math

    Hi, can anyone help to: determine the equation of a parabola with the vetex (0,3) and passing through (3,4)? How to figure out the coeffiecient of X?

    asked by Me
  181. kija

    Find the volume of a rectangular prism with l= 15 in., w=13 in., and h= 8 in.

    asked by Anonymous
  182. math

    If the area of a figure is 49 how do I round it to the nearest tenth?

    asked by Anonymous
  183. chemistry

    for haloacetic acids, HBr has higher stronger acid strength then HF but doesnt HBr has low dipole then

    asked by bme1
  184. Marketing

    Growth of B2C e-commerce in next few years: Good or not so good for consumers? Draft a response to the Marketing Concepts: Discussing Choices and Ethical Issues, question #6 found on p 532 of the text. Read below. Chapter Review Marketing Concepts:

    asked by Anonymous
  185. Statistics

    Hi folks, I'm having trouble with figuring out the intensity matrix for a particular birth/death process. Customers arrive in pairs in a Poisson stream with intensity lambda. There is waiting room for one customer. Service time is exponentially distributed

    asked by anti_prefix
  186. chemistry

    What is the IUPAC name of the following compounds? CH3 I CH3CHCH2CH2CHCH2CH3 I CH2CH3

    asked by long
  187. science

    What is name of entire physical universe?

    asked by bryce
  188. Science

    I need an idea of a simple machine to build that is useful... I can't find any though.

    asked by Livi
  189. Biology Research Paper

    I need help writing a conclusion for my research paper..please help! I need to finish this ASAP. Thanks We find it mixed in our food on the shelves in the supermarket and growing in a plot down the lane. It is variously known as genetic engineering, which

    asked by mysterychicken
  190. Digital Imaging

    In regards to Photoshop 4, if you could recommend one feature for me as a beginner to concentrate on, that was pretty basic, but enhanced photos tremendously, what would it be?

    asked by Jim
  191. math

    7x^2+58x-45?

    asked by Anonymous
  192. 11th Grade Chemistry Redox

    I’m studying Redox Chapter. In this chapter I came across a point regarding oxidation. “Loss of electron results in decrease in negative charge” e.g MnO^2- = MnO^- + e^- 2Cl^- = Cl2 + 2e^- S^2- = S + 2e^- Now first tell me what does "2e^-" means

    asked by Akashdeep Singh Pune
  193. american literature

    what repetition did Patrick henry use in his speech

    asked by Anonymous
  194. science

    What word can these unscrambled letters be (htawree). The hint is sun

    asked by cleo
  195. Chemistry

    I think that these precipitates have their molar solubility affected by pH changes: BaSO3, CaCO3, Ag2S, Zn(OH)2. Is this right?

    asked by Mary
  196. 7th grade science

    what is the loss of soil from wind erosion?

    asked by mary
  197. Gen 105

    Having trouble finding a site to intrapersonal and musical intell. is there asite

    asked by Renee
  198. Science

    what mammal order has the following dental formula: 006/406?

    asked by Lacey
  199. Biology

    A friend tells you that because he has just recovered from a cold, he now cannot get the flu. Is your friend right? Explain your answer.

    asked by CC
  200. algebra

    Thank you Poppy and Reiny!!!!!!!!!!!! :)

    asked by paul
  201. marketing managment

    Supposed you have been hired as a Marketing manager in a Food Supplement Company. Your company is planning to introduce Packed Branded Fresh Vegetables in the market. Selected target market for your company is Lahore. Now you are required to prepare an

    asked by Anonymous
  202. drama

    need help finding australian stistics about pollution.

    asked by jessica
  203. social studies

    Which ancient civilization was the first to invent the plouhs?

    asked by Pratiksha
  204. science

    If you blow into a test tube of bromothymol, what happens?

    asked by kearia
  205. laws

    I am having trouble with this question some someone help to explain this better to me? What is the difference between licensure and accreditation? Why would a long-term care provider seek accreditation?

    asked by april
  206. english

    Which of the following is correctly stated in the past tense? A. I see it. B. I saw it. C. I seen it. D. I did saw it.

    asked by Judy
  207. science

    What is a characteristic an organism has because of interaction with the environment

    asked by Carmynne
  208. english

    Which of the following shows the comma(s) in the right position(s)? A. Juan, and Mason play well together. B. Jimmy closed his eyes, and counted to twenty. C. Jose, Juan, Mason, and Jimmy all went swimming. D. The reason, that he is late, is that he got

    asked by Judy
  209. algebra 2

    solve the triangle triangle BCD

    asked by Tristan
  210. Math

    Evaluate can you please show me the steps. -3/4-3/16

    asked by Candice
  211. english

    Which of the following is NOT a complete sentence? A. Throwing the ball to the pitcher. B. That baby cries and cries. C He sometimes steals things. D. I don't know the answer to this one.

    asked by Judy
  212. algebra 2

    Solve the triangle triangle EFG

    asked by Tristan
  213. english

    Which of the following parts of speech is most often used with a noun to create a descriptive phrase? A. pronoun B. preposition C. adverb D. conjunction

    asked by Judy
  214. chemistry

    how to find grams from 12 moles

    asked by Anonymous
  215. bucks

    example of an derivative or innovative movie character

    asked by christina
  216. physics

    I have a Pressure in atm and a volume in liters how do i find the temperature in kelvins?? I know the formula pv=nRT works...but i don't know the number of moles so... I don't know what to do.

    asked by Katy
  217. Security

    What role should non-security personnel play in an emergency plan and disaster response? Should these roles be included in a procedures manual? Why or why not? How can a company or organization balance safety and liability issues with the use of

    asked by juliet
  218. Math

    (1+ square root of 5)(square root of 3-square root of 5)

    asked by Scott
  219. Physical Science

    What is the difference between a compound and a molecule?

    asked by Sue Ann
  220. grade 12 chemistry

    what amount of magnesium chloride will be produced when 250 ml of 8.0 mol/Hcl reacts with excess magnesium

    asked by Amy