Questions Asked on
September 19, 2010

  1. statistics

    An IRS auditor randomly selects 3 tax returns from 58 returns of which 8 contain errors. What is the probability that she selects none of those containing errors?

    asked by Kerri
  2. Chem

    f 147 grams of FeS2 is allowed to react with 88 grams of O2 according to the following unbalanced equation, how many grams of Fe2O3 are produced? FeS2 + O2 → Fe2O3 + SO2

    asked by Valarie
  3. physics

    A child throws a ball with an initial speed of 8 m/s at an angle of 40 degrees above the horizontal. The ball leaves her hand 1 m above the ground. How long is the ball in flight before it hits the ground? What is the magnitude of the ball's velocity just

    asked by Melissa
  4. Chemistry

    How would you prepare 1L of a .050 M phosphate buffer at pH 7.5 using crystalline K2HPO4 and a solution of 1 M HCl? pka of H2PO4 = 7.2

    asked by HELP!!!
  5. physics

    Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause injury, whereas an acceleration greater than 1000 m/s2 lasting

    asked by greg
  6. Math(Please help)

    Betsy, a recent retiree, requires $6,000 per year in extra income. She has $70,000 to invest and can invest in B-rated bonds paying 17% per year or in a CD paying 7% per year. How much money should be invested in each to realize exactly $6,000 in interest

    asked by Hannah
  7. physics

    Richard is driving home to visit his parents125 mi of the trip are on the interstate highway where the speed limit is 65 mph Normally Richard drives at the speed limit, but today he is running late and decides to take his chances by driving at 80 mph.how

    asked by melissa
  8. Statistics

    Roll two standard dice and add the numbers. What is the probability of getting a number larger that 9 for the first time on the third time.

    asked by Lori
  9. Statistics

    In a department store there are 120 customers, 90 of whom will buy at least 1 item. If 5 customers are selected at random, one by one, find the probability that all will buy at least 1 item.

    asked by Lori
  10. CSUEB

    An electron is released from rest at a distance of 9 cm from a proton. How fast will the electron be moving when it is 3 cm from the proton?

    asked by Lorena
  11. Chemistry

    DDT, an insecticide harmful to fish, birds, and humans, is produced by the following reaction: 2 C 6 H 5 Cl (Chlorobenzene) + C 2 H O Cl 3(chloral) ==> C 14 H 9 Cl 5 (DDT) + H 2 O In a government lab, 1142 g of chlorobenzene is reacted with 485g of

    asked by Jack
  12. General Chemistry

    A certain protein was found to have 0.855% zinc by mass. Determine the minimum molecular mass of the protein. How do I go about solving this?

    asked by Katie
  13. Statistics

    You are shown a coin that its owner says is fair in the sense that it will produce the same number of heads and tails when flipped a very large number of times. Suppose you decide to flip a coin 100 times. a. What conclusion would you be likely to draw if

    asked by Rhea
  14. music

    Thailand and Vietnam are both part of Southeast Asia, but their music is very different. What historical and cultural factors led to these musical differences?

    asked by jon
  15. chemistry

    A sugar crystal contains approximately 1.7×10^17 sucrose (C12H22O11) molecules What is its mass in mg?

    asked by Mely
  16. Chemistry

    If aluminum has a density of 2.7g/cm^3,what is the mass,in grams of the foil? It states that a package of aluminum foil is 54.3 yd long, 14 inches wide, and 0.00035 inches thick.

    asked by TT
  17. Physics

    A car is being pulled out of the mud by two forces that are applied by the two ropes shown in the drawing. The dashed line in the drawing bisects the 30.0° angle. The magnitude of the force applied by each rope is 2900 newtons. Arrange the force vectors

    asked by Amy
  18. Chemistry

    Combustion analysis of an unknown compound containing only carbon and hydrogen produced 2.277 g of CO2 and 1.161 g of H2O. What is the empirical formula of the compound? How do I go about solving this?

    asked by Laura
  19. physics

    The engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200 m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train

    asked by Anonymous
  20. physics 2

    A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -9.00 nC. Find the magnitude of the electric field on the x-axis at x = 0.25 cm.

    asked by stacy
  21. Chemistry

    Calculate the amount of water (in grams) that must be added to (a)5.00 g of urea (NH2)2CO in the preparation of a 16.2 percent by mass solution, and (b)26.2g of MgCl2 in the preparation of a 1.5 percent by mass solution.

    asked by Diana
  22. Statistics

    Suppose you believe that, in general,graduates who have majored in your subject are offered higher salaries upon graduating than are graduates of other programs. Describe a statistical experiment that could help test your belief.

    asked by Rhea
  23. physics

    A 4kg object is subjected to two forces, F1=2Ni-3Nj, and F2=4Ni-11Nj. The object is at rest at the origin at t=0. What is the objects acceleration? I know you use F=m*a Do you add the two F vectors together & take the square root to find the sum of F? ex:

    asked by J
  24. calculus

    An open box is to be made from a square piece of cardboard, 32 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). Determine the function, V, in terms of x, that represents the

    asked by BJ
  25. Maths

    A box with no top is to be built by taking a 6'' - by - 10'' sheet of cardboard and cutting x - in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.

    asked by Lala
  26. calculus

    The sum from n=1 to infinity of cos(npi/3)/n! Does this absolutely converge, conditionally converge, or diverge?

    asked by Bob
  27. Physics

    An elevator starts from rest with a constant upward acceleration and moves 1m in the first 1.9 s. A passenger in the elevator is holding a 5.3 kg bundle at the end of a vertical cord. The acceleration of gravity is 9.8 m/s2 . What is the tension in the

    asked by Cole
  28. Chemistry

    In an acid-base neutralization reaction 28.74 mL of 0.500 M potassium hydroxide reacts with 50.00 mL of sulfuric acid solution. What is the concentration of the H2SO4 solution? Please help with this question, thank you.

    asked by Trever
  29. geometry

    What is the length of FH if G is the midpoint, FG=12x-5, GH = 7x?

    asked by Yonna
  30. Chemistry

    If aluminum has a density of 2.7g/cm3,what is the mass,in grams of the foil?

    asked by TT
  31. Physics

    Block A of mass 4.0 kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650 N m. The other end of the spring is attached to a wall. The block is pushed toward the wall until the spring has been

    asked by Joe
  32. Statistics

    Hi, I have to answer if each questions is a nominal, ordinal, interval discrete, interval continuous, ratio discrete, or ratio continuous. I would like to know if my answers are correct and if wrong what is the correct answer. Thanks 1. Highest level of

    asked by Paul
  33. soil mechanics

    total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure in the element if the minor principle stress in the

    asked by nick
  34. physics

    A train pulls away from a station with a constant acceleration of 0.44 m/s2. A passenger arrives at a point next to the track 6.2 s after the end of the train has passed the very same point. What is the slowest constant speed at which she can run and still

    asked by Chip
  35. chemistry

    What is the conjugate base of the following substances: a. (CH3)3NH /(CH3)3N b. H3N-CH2-COOH / H3N-CH2-COO c. H3N-CH2-COO / H2N-CH2-COO d. OOC-CH2-COOH / OOC-CH2-COO e. OOC-CH2-COOH / HOOC-CH2-COOH

    asked by help
  36. Chemistry

    Combustion analysis of 0.300 g of an unknown compound containing carbon, hydrogen, and oxygen produced 0.5213 g of CO2 and 0.2835 g of H2O. What is the empirical formula of the compound? C2H5O C3H8O2 C2H10O3 C2H5O2

    asked by Selena
  37. math(Please help)

    Betsy, a recent retiree, requires $6,000 per year in extra income. She has $70,000 to invest and can invest in B-rated bonds paying 17% per year or in a CD paying 7% per year. How much money should be invested in each to realize exactly $6,000 in interest

    asked by Hannah
  38. ap physics

    You measure the radius of a wheel to be 4.16 cm. If you multiply by 2 to get the diameter, should you write the result as 8 cm or as 8.32 cm? Justify your answer.

    asked by carlos
  39. Physics

    A rifle is aimed horizontally at a target 52 m away. The bullet hits the target 2.2 cm below the aim point.

    asked by Brandon
  40. Math

    The final exam will count as two tests. Brooke has test scores of 80, 83, 71,61 and 95. What score does Brooke need on the final in order to have an 80? I thought 80+83+71+61+95 = 390 / 5 = 78 then I don't know what to do next. Although I did do 78 +2x =

    asked by Amy~
  41. physics

    The speed of sound in air is about 330m/sec. If a lighting flash occurs 5.5 seconds before you hear the thunder how far away from you was the strike?

    asked by Rose Victory
  42. Physics 111

    King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 48 m/s and at an angle of 29°. A cannonball that was accidentally dropped hits the moat below in 1.7 s. (a) How far from the castle wall does the

    asked by Anonymous
  43. Managerial Economics

    anyone has answer to this? Discussion question As vice president of sales for a rapidly growing company, you are grappling with the question of expanding the size of your direct sales force (from its current level of 60 national salespeople. You are

    asked by Matt
  44. Physics

    A current of a river flows steadily from west to east at 1.00 m/s. A boat in the river travels at 3.00 m/s relative to the water. The river is 20.0 m wide with parallel banks. The boat leaves the shore at point A, and point B is directly across the river

    asked by .
  45. Chemistry

    Explain why ethanol is not soluble in cyclohexane. Also, how do you figure out whether something is polar or nonpolar?

    asked by Diana
  46. Managrial Economics

    Anyone has answer for this please? A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer.

    asked by Matt
  47. Statisitcs

    A large university campus has 60,000 students. The president of the students' association wants to conduct a survey of the students to determine their views on an increase in the student activity fee. She would like to acquire information about all the

    asked by Rhea
  48. physics 2

    A charged line extends from y = 2.50 cm to y = -2.50 cm. The total charge distributed uniformly along the line is -9.00 nC. At what distance x does the result for the infinite line of charge differ by 1.0% from that for the finite line?

    asked by stacy
  49. physics

    A volleyball is deflected vertically by a player in a game housed in a high school gymnasium where the ceiling clearance is 18m. If the initial velocity of the ball is 21.5 m/s, will the ball contact the ceiling?

    asked by stephanie
  50. physics

    Consider the 692 N weight held by two cables shown below. The left-hand cable had tension T and makes an angle of θ with the wall. The right-hand cable had tension 760 N and makes an angle of 40◦ with the ceiling. a) What is the tension T in the

    asked by Cole
  51. Physics

    A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.2 cm from the center of the disk, what are the revolutions per minute (rpms) of the disk? ***Can someone please step me through the

    asked by Kelly
  52. chemistry

    what type of reaction is this Li + H2O --> LiOH A. Combination B. Combustion C. Decomposition Im thinking combination but the H2 is confusing me

    asked by kellie
  53. chemistry

    Calculate the mass in g of each of the following. a. 2.3×10^22 H2O molecules b. 6.16×10^20 SO3 molecules c. 5.0×1025 O3 molecules d. 9.82×1019 CCl2F2 molecules

    asked by Mely
  54. psychology

    Need two peer reviewed articles to help me work on those questions. below Discuss how social psychology differs from other related disciplines (e.g., clinical psychology, general psychology, sociology). Explain the main types of research approaches/methods

    asked by rose
  55. physics

    Aerial skiing involves speeding down a steep ramp that curves sharply upward at the end to launch the skiers into the air. Once airborne, the skier twists and turns in complex combinations to score points in the competition. Consider an aerial launch ramp

    asked by bob
  56. algrebra 2

    how to find the xintercept and y intercept 5y=15x-90

    asked by karl
  57. physics

    A car starts from rest and travels for 5.0 seconds with a uniform acceleration of +1.5 m/s^2. The driver then applies the brakes, causing a uniform acceleration of -2.0 m/s^2. If the brakes are applied for 3.0 seconds, how fast is the car going at the end

    asked by caitlin
  58. Ohysics

    An airplane flying at 120km/h due west moves into a region where the wind is blowing at 40km/h due east. If the plane's original vecotr velocity is Vplane, what is the expression for the plane's resulting velocity in terms of Vplane. a. 1/3 >Vplane b.

    asked by Joel
  59. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 575 mL of a solution that has a concentration of \rm Na^+ ions of 1.00 \it M?

    asked by kim
  60. Chemistry

    what is the temperature change in Celsius when 29.5 L of what absorbs 2.3 kWh of heat?

    asked by Anonymous
  61. Math

    The following figure is a rectangular box in which EFGH and ABCD are rectangles and BF (with a bar on top) is perpendicular to planes EFGH and ABCD.Are BD and GH parallel?

    asked by Lilly
  62. Physics

    a grizzly bear makes a displacement of 1563 m due west, followed by a displacenent of 3348 m in a direction 32.0 north of west. what are the magnitude and direction of the displacement needed for the bear to return to its starting point

    asked by Anonymous
  63. Physics-Mechaincs

    A block is pushed up a frictionless incline by an applied horizontal force as shown. The acceleration of gravity is 9.8 m/s2 . mass=2.7 kg F = 33 N theta=29◦ What is the magnitude of the resulting ac- celeration of the block? Answer in units of m/s2.

    asked by Genevieve
  64. phy

    A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 340 km/h in a semicircular arc with a radius of 196 m. Determine the tangential acceleration of the car when it is halfway through the turn, assuming constant

    asked by ami
  65. College Physics

    What is the work required to move a proton 1 cm along the 7 volt equipotential line?

    asked by Shell
  66. chemistry

    A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 575 mL of a solution that has a concentration of \rm Na^+ ions of 1.00 \it M?

    asked by kim
  67. statistics

    12. Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows. © …………….. (d)…………….. Person Dexterity Anxiety 1 1 10 2 1

    asked by Elizabeth
  68. physics

    Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has an acceleration of 0.518 m/s2 to the left.

    asked by Maninder
  69. physics

    An object with uniform motion traveled 265cm in 2.4 seconds. how much time did the object take to travel the last 50cm?

    asked by Rose
  70. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy
  71. chemistry

    What mass of carbon dioxide is produced from the complete combustion of 8.20×10−3 g of methane?

    asked by kim
  72. Chemistry

    Calculate the mass of nitrogen dissolved at room temperature in an 80L home aquarium. Assume total pressure of 1 atm and mole fraction of .78 for nitrogen

    asked by Johannie
  73. physics

    A person looking out the window of a stationary train notices that raindrops are falling vertically down at a speed of 4.15 m/s relative to the ground. When the train moves at a constant velocity, the raindrops make an angle of 25° when they move past the

    asked by ba
  74. physics

    a student throws a ball straight upwards to a height to height of 7.50m How much work did did the student do?

    asked by tony
  75. biology

    energy that is lost at each trophic level of an ecosystem is replenished by????

    asked by anna
  76. Chemistry- urgent help needed

    How do I prepare 40% v/v from 95% ethanol? When we say 95% ethanol, do we usually mean 95% w/w ethanol unless otherwise stated? Please show me the calculation steps to prepare 40% v/v from 95% w/w ethanol. Thanks.

    asked by annie
  77. physics

    A person in a stationary, non-moving elevator drops a coin and it reaches the floor 0.6 seconds later. Now he repeats the experiment with the elevator moving. Would the coin reach the floor in less time same time or more time, if it were dropped when the

    asked by Rose Victory
  78. Physics

    h t t p : / / b i t . l y / 9 S F F F o a) What is the minimum value of F needed to move the two blocks? b) If the force is 10% greater than your answer for (a), what is the acceleration of each block?

    asked by Phil
  79. Physics

    A 24 kg box is released on a 21 degree incline and accelerates down the incline at 0.27 m/s^2. a) Find the friction force impeding its motion. b) What is the coefficient of kinetic friction?

    asked by Robert
  80. Physics-Mechaincs

    A 1.3 kg mass accelerates at 5.8 m/s2 in a direction 36◦ north of east. One of the two forces acting on the mass has a magnitude of 17.3 N and is directed north. Determine the magnitude of the second force. Answer in units of N.

    asked by Genevieve
  81. chemistry

    Use the concepts of effective nuclear charge, shielding, and n value of the valence orbital to explain the trend in atomic radius as you move across a period in the periodic table.

    asked by jojo
  82. CHEM

    Calculate the mass of nitrogen dissolved at room temperature in an 80L home aquarium. Assume total pressure of 1 atm and mole fraction of .78 for nitrogen

    asked by Johannie
  83. Physics

    A jetliner can fly 6.50 hours on a full load of fuel. Without any wind it flies at a speed of 2.15 102 m/s. The plane is to make a round-trip by heading due west for a certain distance, turning around, and then heading due east for the return trip. During

    asked by Brian
  84. chemistry

    Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. vanillin (responsible for the taste and smell of vanilla): C 63.15% H 5.30% O 31.55%.

    asked by Mely
  85. Physics

    Block A of mass 4.0 kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650 N m. The other end of the spring is attached to a wall. The block is pushed toward the wall until the spring has been

    asked by Joe
  86. Math(Please check)

    Translate the following sentence into a mathematical equation: "The area, A, of a circle is the product of the number pi and the square of the radius, r." A=pi X r^2 Is this correct?

    asked by Hannah
  87. statistics

    In a box of thirty AAA batteries, there are three defective batteries. Two batteries are randomly selected and tested. What is the probability that both are defective, if the first one is not replaced after being tested?

    asked by Lori
  88. world cultural geography

    what is christain political and social organization?

    asked by alanaR.
  89. physics

    a 9.0 g ice cube at -10 C is put into a thermos flask containing 100 cm^3 of water at 20 C. by how much has the entropy of the cube-water system changed when the equilibrium is reached? the specific heat of ice is 2220 J/kg K.

    asked by Jarad
  90. Sta

    A regular feature in a newspaper asks readers to respond via e-mail to a survey that requires a yes or no response. In the following day's newspaper, the percentage of yes and no responses are reported. discuss why we should ignore these statistics.

    asked by Rhea
  91. Statisitcs

    The operations manager of a large plant with four departments wants to estimate the person-hours lost per month due to accidents. describe a sampling plan that would be suitable for estimating the plantwide loss and for comparing departments.

    asked by Rhea
  92. math

    There are 18 students standing in a circle, evenly spaced and consecutively numbered. Which student is directly opposite student 1

    asked by Hannah
  93. chemistry

    Calculate the empirical formula for each of the following natural flavors based on their elemental mass percent composition. nitroglycerin (used medically as a vasodilator to treat heart conditions): C 15.87% H 2.22% N 18.50% O 63.41%. Express your answer

    asked by Mely
  94. physics

    You have designed a rocket to be used to sample the local atmosphere for pollution. It is fired vertically with a constant upward acceleration of 19 m/s2. After 23 s, the engine shuts off and the rocket continues rising (in freefall) for a while. (Neglect

    asked by Anonymous
  95. chem

    What is the percent composition of carbon in sodium carbonate (Na2CO3) Na2CO3 = 12/106 x 100 = 11.32% is this correct?

    asked by vanessa
  96. geometry

    i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!

    asked by vaishnavi
  97. physics

    A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward each other along a straight, level track. When they are 720 m apart, each engineer sees the other's train and applies the brakes. The brakes slow each train at the

    asked by Anonymous
  98. EP high

    A 0.6 kg rock is projected from the edge of the top of a building with an initial velocity of 11.1 m/s at an angle 51◦ above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 18.7 m from the base of the building.

    asked by asila
  99. physics

    While exploring a cave, a spelunker starts at the entrance and moves the following distances: 75.0 m north, 290 m east, 180 m at an angle 30.0° north of east, and 150 m south. Find the resultant displacement from the cave entrance.

    asked by Anonymous
  100. chemistry

    2 NO2(g) N2(g) + 2 O2(g) The ΔH° for the reaction above is -66.4 kJ. The system is initially at equilibrium. What happens if N2 is added to the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases

    asked by Megan
  101. chemistry

    2C2H6(g) + 7O2(g) > 4CO2(g) + 6H2O(g) KCl(s) > K(s) + Cl2(g) is this balanced?

    asked by kellie
  102. Physics

    A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its center. It is rotating counterclockwise with a speed of 2.5 m/s. Can someone please step me through the problem step by step?

    asked by Kayla
  103. Chemistry

    H2(g) + I2(g) 2 HI(g) The forward reaction above is exothermic. At equilibrium, what happens if I2 is removed from the reaction mixture at constant temperature and volume? The reaction absorbs energy. The reaction releases energy. [H2] increases. [H2]

    asked by Megan
  104. Chemistry

    Could someone please help me with these two questions. I am having trouble. 1. What is the molarity of a solution if 48.0 mL of a 0.220 M solution is required to neutralize a 25.0-mL sample of the solution? 2. The mixing of which pair of reactants will

    asked by Sarie
  105. Economics

    Pick one MARKET in which the price system does not produce an equitable price and quantity of output.

    asked by TSK
  106. physics

    An inquisitive physics student, wishing to combine pleasure with scientific inquiry, rides on a rollercoaster sitting on a bathroom scale. (Do not try this yourself on a rollercoaster that forbids loose heavy packages.) The bottom of the seat in the

    asked by Manny
  107. Economics

    Suppose the total output curve increases at an increasing rate for workers 1 to 50, increases at a decreasing rate from workers 51 to 101, and decreases beyond 101 workers. You would know that Choose one answer. a. marginal product is increasing from

    asked by Anonymous
  108. Calculus

    Find the functions a) f o g, b) g o f, c) f o f, d) g o g, and their domains. f(x)= square root of x, g(x)= cube root of 1-x These are my answers, but I am not sure about them and I only figured out one domain... that is the part that really confuses me.

    asked by Chelsea
  109. physics

    Assuming biological substances are 90% water and the density of water is 1000 kg/meter cubed, estimate the mass of a fly, which can be approximated by a cylinder 4 mm long and 2 mm in diameter (volume (length*pi*radius squared) the answer is 1.131 X10 to

    asked by Mariah
  110. Physics

    Two cars start from the same place at the same time. After two hours, one car has traveled 30% farther than the other. If one car's speed is 20mph larger than the other car's speed, what are the speeds of the cars? Solve algebraically

    asked by Anna
  111. science

    5a 30 kg girl and a 25 kg boy face each other on friction -free roller blades . the girl pushes the boy ,who moves away at a speed of 1.0 m/s . the girls speed is how many m/s /

    asked by Rich
  112. chemistry

    What mass of copper(II) nitrate would be produced from the complete reaction of 25.1 g of copper, according to the chemical reaction shown below? Cu + 2 AgNO3 ----> Cu(NO3)2 + 2 Ag i got 74.08 is that correct?

    asked by vanessa
  113. chemistry

    for an oxygen atom,wich requeres more energy,the addition of two electrons or the removal of one electron?explain why

    asked by kabelo
  114. Math Word Problem

    In an NFL football game, the Bears scored a total of 41 poionts, including one safety (2 points) and two field goals (3 points each). After scoring a touchdown (6 points), a team is given the chance to score 1 or 2 extra points. The Bears, in trying to

    asked by Amy~
  115. Physics

    If you're dragging a 75kg log along the ground at constant velocity and you have to pull on it with a horizontal force of 250 N, what is the resistive force exerted by the ground??

    asked by Anonymous
  116. Organizational Behavior

    Questions 1. Research conducted by Luthans supports the belief that promotions are base on performance. True or false 2. Tenure is negatively related to turnover. True or False. 3. Age and avoidable absences are negatively related. True or False. 4. Which

    asked by Edith
  117. math

    i am a number in the fourth row on the hundred chart. my ones digit is twice my tens digit. what number am i;

    asked by elena
  118. physics

    A tennis player standing 11.5 m from the net hits the ball at 2.60° above the horizontal. To clear the net, the ball must rise at least 0.252 m. If the ball just clears the net at the apex of its trajectory, how fast was the ball moving when it left the

    asked by nate
  119. math

    i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 URGENT !!!

    asked by vaishnavi
  120. physics

    SOMEBODY ANSWER THIS PLEASE, Two people pull as hard as they can on ropes attached to a 170 kg boat. If they pull in the same direction, the boat has an acceleration of 1.59 m/s2 to the right. If they pull in opposite directions, the boat has an

    asked by manny
  121. math

    To save for their retirement, a couple deposits $4000 in an account that pays 5.9% annual interest compounded quarterly. What will be the value of their investment after 20 yr?

    asked by Anonymous
  122. Statistics

    Is the water on your airline flight safe to drink? It is not feasible to analyze the water on every flight, so sampling is necessary. In August and September 2004 the EPA found bacterial contamination in water samples from the lavatories and gallery water

    asked by Patrick
  123. Statistics

    A survey of 100 mayonnaise purchasers showed that 65 were loyal to one brand. For 100 bath soap purchasers, only 53 were loyal to one brand. a) Perform a two-tailed test comparing the proportion of brand-loyal customers at á=.05.b) Form a confidence

    asked by Kim
  124. English

    In a total of 200 words, write two paragraphs with about how interest rates affect our purchasing decision. Identify the topic sentence in each by underlining it. I need help with Identifying topic sentence

    asked by Cara
  125. Chemistry

    My teacher showed us these examples in class, he says he need to be able to know when something is soluble in something else but i have no idea how to know. anyone have any rules on how to know? This is the examples he gave us: is CsI soluble in H2O? yes

    asked by Jessie
  126. English

    It often seems that fictional characters are under stress and that they lead lives of great difficulty. To what degree do the difficulties that character experience bring out either good or bad qualities, or both? ( In Shirly Jacksons the Lottery, or Young

    asked by renne
  127. music

    what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?

    asked by cara
  128. physics

    If you heat a thin, circular ring in the oven, does the ring’s hole get larger or smaller? When the lid of a glass jar is tight, holding the lid under hot water for a short time will often make it easier to open. Why?

    asked by jen
  129. Chemistry

    a mole of ethanol weighs only 46g; how many molecules does it contain?

    asked by Em
  130. Physics

    Ports A and B are 400 miles apart. One boat starts from port A for port B at 6:05 and travels with a constant speed of 12 mph. If it leaves port A at 8:20, what speed musta a second boat have to arrive at port B at the same time? Explain your reasoning.

    asked by JD Smith
  131. math

    An alloy of metals is 25% copper. Another alloy is 50% copper. How much of each alloy should be used to make 1000 grams of an alloy that is 45% copper

    asked by Danie;
  132. Physics

    h t t p : / / b i t . l y / 9 S F F F o a) What is the minimum value of F needed to move the two blocks? b) If the force is 10% greater than your answer for (a), what is the acceleration of each block?

    asked by John
  133. Physics-Mechaincs

    A rowboat crosses a river with a velocity of 1.01 m/s at an angle 30◦ North of West relative to the water. Water’s frame of reference: speed of boat: 1.01 m/s direction from current: 30◦ The river is 322mwide and carries a current of 1.63 m/s due

    asked by Genevieve
  134. math

    Convert each of the following repeating decimals to a/b form, where a, b are integers and b ≠ 0. #2a ¯ 0.4 #2c ¯ 1.396 #2e ¯ -2.34

    asked by Anonymous
  135. english

    how can i make this sentence more concised She also demonstrates that the patients can make an impact on the nurses and influence them to care for the patients like their own family

    asked by flame
  136. Science

    What weather would it be when: A. a cold front is moving into an area that has warm, moist air. B. A warm front is moving into an area that has cold, dense air. C. A cool sea breeze is blowing inland, causing warm, humid air to rise. D. Air pressure is

    asked by Leah
  137. Physics

    Ports A and B are 400 miles apart. One boat starts from port A for port B at 6:05 and travels with a constant speed of 12 mph. If it leaves port A at 8:20, what speed musta a second boat have to arrive at port B at the same time? Explain your reasoning.

    asked by JD Smith
  138. pre cal

    how many real number solutions are ther to the equation 10x^2+31x=-24

    asked by Anonymous
  139. physics

    a car is going 8 m/s goes over a cliff 78.4 meters high. How far from the base does it land?

    asked by imani
  140. Biology

    fatty acid is to fat as glucose is to starch glycogen cellulose all none..

    asked by Hiba 92
  141. mrt

    Predicting what types of bicycles different customers will want and deciding which of these customers the business will try to satisfy are activities a firm should do as part of

    asked by kerry
  142. Physics

    Sandy is racing her sister home, but they each take a different route. Who will win: the one with the greatest average speed or the one with the greatest average velocity? Explain, using some sample numbers.

    asked by Emily
  143. Chemistry

    226Ra88 decays by emitting three alpha particles and three beta particles. what's the resulting nuclei? Is it 238Bi83? (Number on left is mass # and on right is atomic #)

    asked by Anonymous
  144. please chem" help"

    a quantity of 0.5 g of crystalline NaCl is added to one liter of soultion containing 10e-3 mol of dissolved Ag+ demonestrate that AgCl precipitate from the solution and calculate the wight og AgCl in grams that form per liter. Assume that all activities

    asked by moon
  145. math

    use the graph to find the following a. f(3) b. the domain c. any x- value for which f(x)=2 d. the range

    asked by Anonymous
  146. literture

    what are the questions for ms.Lottie's marigolds

    asked by Anonymous
  147. Calculus

    Okay, I have a graph of the f(x). It is a parabola that opens up. What does the graph of f(|x|) look like (the absolute value). Is it the same, or flipped or translated? Can someone describe what it looks like to me please :)

    asked by Jon
  148. re:social studies

    The Democratic point of view is that the Republicans are the party of "No," and progress will be severely impeded if Republicans gain a majority in Congress. Republicans will extend the tax cuts for everyone, including the rich. why though? The Republican

    asked by gaby
  149. Chemistry

    In trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. How do you use this information and the conservation of mass to calculate the mass of oxygen that

    asked by mike
  150. French

    Can you check these. I'm not really sure how to do these so I need a little help and examples. Part 1: Des promoms interrogatifs et relatifs Complétez en utilisant qu'est-ce qui ou qu'est-ce que. 1. ---------- se passe? Answer: Qu'est-ce qui 2.

    asked by Missy
  151. calculus

    what normal annual interst rate has an effective annual yield of 7.8% under continuous compounding?

    asked by annonymous
  152. algebra 1

    Bushes that bites kass kass had been doing yard work all summer to save for a new bike and ms oleonary had asked her to plant a row of barberry bushes on each side of her drive way. se specified to kass that there should be a 1 foot space between the

    asked by marina
  153. grade 5 math (please help)

    The theater group performed on Friday and Saturday night. Three hundred and twenty four attended on Friday, and 33 more attended on Saturday. How many people saw the show? I need to write an equation for this.

    asked by jakob
  154. Algebra

    Could you please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the weight

    asked by asd
  155. Math

    The radius,diameter, or circumferences of a circle is given. Find the missing measures. D=2a,r=___,C=___. For the radius I got 1a and the circumferences I got 6.28.a. Could someone check my answer? Thanks

    asked by Shadow
  156. College Physics

    A car initially traveling northeast (45° N of E) at 28.3 m/s takes 6.0 s to turn to the east. After the turn, the car is traveling due east at 20.0 m/s. What is the value and direction of the change in velocity?

    asked by Angela
  157. college math

    Solve. write the solution set using interval notation 9-(7x-9)is greater than or equal to sign -8(x+1)-8

    asked by Anonymous
  158. ETH 125

    What is the definition of socially compliant? I am completing an assignment that requires to categorize this statement for one of two groups or both (Christian American/ Muslim and Arab American).

    asked by Bobbie
  159. chemistry

    Solid magnesium metal reacts with chlorine gas according to the following equation: Mg + Cl2 --> MgCl2 What mass of magnesium chloride is formed in the reaction between 7 g of Mg and 13.2 g of Cl2 is this correct 7 g+13.2 g = 20.2 grams ?

    asked by kellie
  160. calculus

    lim as x approaches 0 of tanx/x

    asked by Anna
  161. physics

    A ball is kicked at a 37 degree angle, with a velocity of 14.6 m/s. How high and far does the ball go?

    asked by stephanie
  162. Probability

    Can anyone show me how to do these? In the game of Yahtzee, suppose you have dice 1-2-4-5-6. What is the probability of rolling the 1 and 2 once and getting a large straight? What is the porbability of rolling the 1 and 2 twice and getting a large

    asked by Diane
  163. physics

    Assuming biological substances are 90% water and the density of water is 100 kg/meter cubed, estimate the mass of a fly, which can be approximated by a cylinder 4 mm long and 2 mm in diameter (volume (length*pi*radius squared)

    asked by Mariah
  164. science

    a girl on a motorbike passes by at a speed of 15 m/sec.her mass is 40 kg. what is the kinetic energy

    asked by sergio
  165. maths

    for tan2x=3 i get should get two values 71.56 and 251.56 but i dnt knw how to solve to get this two values. pls help me with this. thanx in advance.

    asked by nick
  166. Physics

    I solved 1 out of 2 correctly: A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a projectile at a velocity of 110 m/s 35.0 degrees above the horizontal relative to the shell. 1) Find the

    asked by .
  167. physics

    total normal stresses of 110 and 40 kpa are applied to two planes at right angles in an element of soil. the shear stress acting on those palnes is 20 kpa. what must be the value of the pore pressure in the element if the minor principle stress in the

    asked by nick
  168. Finance

    ER Medical Supplies had sales of 2,000 units at $160 per unit last year. The marketing manager projects a 25 percent increase in unit volume this year with a 10 percent price increase. Returned merchandise will represent 5 percent of total sales. What is

    asked by Joceline
  169. English

    I selected 5 sentences as promised. I really hope the others were correct! Sentence number 6 refers to the Italian grading system which I don't know how to express in English. 1) During the break I go out in the courtyard.We aren't allowed to smoke or run

    asked by Franco
  170. geometry

    What is the pattern to 1,3,6,10,15,...? the answer would be really appreciated :D

    asked by JAnice
  171. English: Puritans

    The question is: Why could Winthrop's ideal not be achieved? The paragraph where I have to find the answer: Winthrop describes an ideal society, which, if the Puritans had been able to achieve it, would have been a reasonable facsimile of paradise on

    asked by Amy~
  172. statistics

    c. Compare the two sets and describe what you discover. The following data sets shows the ages of the first seven presidents (President Washington through President Jackson) and the seven most recent presidents including President Obama. Age is given at

    asked by Yvette
  173. Chemistry

    If a person has a mass of 62 kg, how many pounds of water does she have in her body? And it gives the typical adult body containing 51% water

    asked by TT
  174. physics

    How do we tell if an object is in free fall?

    asked by jo
  175. COM156

    Identify three challenges that may arise when writing a paper. Explain the strategies you will use to overcome those challenges.

    asked by sandra
  176. global

    Can someone please help ,still can not find out the following In the book iooi Arabian Nights...Thievery as a way of life, humor through trickery of the innocent and distrust of foreigners. I was told to look at Ali Baba but still don't see the answer

    asked by Susan
  177. English

    Why is it important to discuss the author of a book and the background of the author to students?

    asked by Madeline
  178. 11th grade

    the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

    asked by edith
  179. History

    What were the causes of the Great War of Empire and why is it called that?

    asked by Mary
  180. physics

    The current-density magnitude in a certain cicular wire is J= (2.75*10^10A/m^4)r^, where r is the radial distance out to the wire 's radius of 3.00 mm. The potential applied to the wire is 60.0 V. how much energy is converted to thermal enery in 2 hours?

    asked by tauteh
  181. Physics

    A solar still is used to make fresh water from salt water by evaporation. Assume that during a summer day that 1000 BTU/ft sq of solar energy falls on the surface of the salt water. Determine how many inches of water are evaporated in 30 days. Assume that

    asked by Aaron
  182. chemistry

    if you start with 1.25g of Cu, calculate the amount that will precipitate

    asked by gerry
  183. physics

    In the ideal case of zero resistance, a ball rolling on a level surface will accelerate

    asked by brenda
  184. math

    Jane’s car travels 224 mi on 12 gal of gas. Rounded to the nearest mile per gallon, how many miles to the gallon does her car get?

    asked by Anonymous
  185. math

    Write each of the following square roots in the form a√b, where a and b are integers, b > 0, and b has the least value possible: a) √180 b) √363 c) √252

    asked by Anonymous
  186. math

    Convert each of the following repeating decimals to a/b form, where a, b are integers and b ≠ 0. #2a ¯ 0.4 #2c ¯ 1.396 #2e ¯ -2.34

    asked by Anonymous
  187. Math 117

    Give exact and approximate solutions to three decimal places. (x-8)^2=49 I need step by step example on how to solve this AND input it into a calculator. Please!

    asked by Sabrina
  188. math

    which number is closer to zero, -4/5 or 5/4 please explain

    asked by mary
  189. physics

    A ball is thrown upward from the ground with an initial speed of 26.2 m/s; at the same instant a ball is dropped from rest from a building 14 m high. After how long will the balls be at the same height?

    asked by Katie
  190. Phsyics

    Two cars start from the same place at the same time. After two hours, one car has traveled 30% farther than the other. If one car's speed is 20mph larger than the other car's speed, what are the speeds of the cars? Solve algebraically.

    asked by Rosemendz
  191. Precalculus/Algebra 3

    If P(x)= -4x^3+5x-1, use synthetic substitution to find each of the following. 2. P(1/3) 3. P(i)

    asked by Carol
  192. English

    6) We have afternoon classes on Tuesdays from 2pm to 4pm. 7) I prefer scientific subjects such as physics and maths to humanities. 8) We are tested orally twice a term and we get three written marks each term (is there a better way of expressing it??). 9)

    asked by Jane
  193. Chemistry

    Classify the following reaction using 2 different classifications. 3Sr(OH)2+2Fe(NO3)3=3Sr(NO3)2+2Fe(OH)3

    asked by Lena
  194. Calc

    An airplane is flying at a speed of 350 mi/h at an altitude of one mile and passes directly over a radar station at time t=0. a) Express the horizontal distance d (in miles) that the plane has flown as a function of t. I really don't know... would it be

    asked by Chelsea
  195. statistics

    Intrinsic - 5.5, 5.5, 5.2, 5.3, 4.7, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.5, 5.2, 5.3, 4.7, 5.4, 6.2, 5.2, 5.6 Extrinsic6.8, 5.5, 4.6, 5.7,5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6, 5.7, 5.6, 5.6, 5.5, 4.6, 5.5, 4.6, 5.7 5.6, 5.6,

    asked by crystal
  196. Chemistry

    What is the equation of iron reacting with iron(|||) ions to form iron(||) ions?

    asked by Lew
  197. algebra

    simplify 4(3x-(3-5y+7x)+3y

    asked by joyce
  198. Physics

    How would I approach this problem? What formula would I use to answer each part? Thank you in advance for any guidance... As part of the launch of the space shuttle, solid-rocket boosters (SRBs) first take it to an altitude of 45.0 km while they accelerate

    asked by .
  199. physics

    Resolve a displacement of 700 cm into two components along direction lines that lie on opposite sides of the displacement and each of which makes an angle of 30° with the displacement.

    asked by arlene
  200. German

    This was a worksheet and the instruction said to fill in the adjective endings, since the underlines wouldn’t show I put the spaces to be filled as parenthesis. The (-) means I think it does not need an ending and the (?) means im confused and not sure

    asked by Josh
  201. geography (grade 6)

    5 disadvantages of trade?

    asked by Ryan
  202. Biology

    Why is the maximum resolution and magnification of a light microscope less than the electron microscope?

    asked by Chris
  203. math

    determine whether the graphs of the two lines are parallel y+7=7x , 7x-y=7

    asked by Anonymous
  204. math

    solve the equation 9(x-4)+x=10(x-4)+4

    asked by Anonymous
  205. physics

    32 kg box sitting on a ramp has a coefficent of 0.21. If the ramp is raised, at what angle will the box begin slipping?

    asked by Angela
  206. 8th grade math

    simplify: 3 to fourth power minus square root of sixty-four divide (10-12 squared)

    asked by zack
  207. 1st science

    could you sincerely please tell me about a badger.

    asked by Anonymous
  208. college physicalscience

    the air speed of a plain is 223km/h and the pilot keeps the plane pointed north. A wind is blowing73.6km/h from the west. Determine the speed (in km/h) of the plane relative to the ground

    asked by tiana
  209. Pyshics

    A car is travling forward at 75km/h. How far does the caar tavel in 25 s?

    asked by Rex
  210. chemistry

    what happens when you cool biodiesel. petroleum-based diesel fuel, and vegetable oil?

    asked by Emma
  211. chemistry

    how does kinetic molecular theory help us to explain boyle's law?

    asked by navroz
  212. Microscopes

    What is the resolving power for light microscopes, and what is it for electron microscopes?

    asked by Chris
  213. Chemistry

    Find the volume in liters of 0.452 M manganese(II) sulfate that contains 54.5 g of solute?

    asked by Megan
  214. physics

    A deep mountain valley is separated by two vertical cliffs. One cliff is 600 meters high and the other is 400 meters high. A cable car runs from the foot of each cliff to the top of the other cliff. At what height above the ground do the two cable cars

    asked by CJ
  215. Chemistry

    Can anyone answer this question please. (Determine the concentration of an aqueous NaCl solution if 31.5 mL are required to reach the equivalence point when titrated with 25.0 mL of 0.20 M AgNO3.)

    asked by John
  216. Physics

    Two cars travel at the same constant speed. The first car travels for 10 minutes, the second for 27 minutes. If the second car travels 18 miles farther that the first, how far does each car travel?

    asked by Rose
  217. Calculus

    Express the function in the form f o g. G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't know how to finish the problem because it does not give you the information for F(x)???

    asked by Chelsea
  218. chemistry

    how many grams of hydrogen are produced when 1gram of aluminum is reacted?

    asked by Joanne
  219. Physics

    Three Coulombs of charge flow through a wire in 150 ms. If the current ceases to flow (goes to zero Amps) for the following 850 ms, what is the average current over this one-second period?

    asked by Phil
  220. calculus

    f(x)=kx^2+3 a) if the tangent lines to the graph of f at (t,f(t)) and (-t, f(-t)) are perpendicular, find t in terms of k b) Find the coordinate of the point of intersection of the tangent lines mentioned in part (a) in terms of k

    asked by Rachel
  221. maths

    find the 8th derivative ofe^2x*sin2x?

    asked by devu
  222. english

    Although Ashley does not know whether she is doing a right choice in helping Mr. Roby, I believe that she does make a good decision in contacting other doctors and nurses

    asked by flame
  223. math

    i am a number in the fourth row on the hundred chart. my ones digit is twice my tens digit. what number am i;

    asked by elena
  224. English

    I forgot to include the following sentences when describing the school day. As I couldn't send you my previous post, I typed "Jane" (to see if something changed.) Can you please check them please? 1) We have lessons (or we go to school) from Mondays to

    asked by Franco
  225. 10th grade

    At a preview of a movie,6 people out of 500 walk out. suppose that 600,000 people see the movie. estimate the number of people who walk out

    asked by Anonymous
  226. physics

    A model rocket is propelled upward by a cylinder of compressed water. The cylinder emits water at a rate of 0.050 kg/second with an exit speed of 80.0 m/s. Initially, the rocket has a mass of 0.15 kg, including the water cylinder. What is the rocket's

    asked by Angela
  227. 8th grade

    How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.

    asked by Tee
  228. English

    I forgot to include the following sentences which belong to the same summary. Thank you. 1) While building up the personality of Kurtz for his listeners, Marlow exposes the discrepancy between the Europeans’ words and their actions. 2) At the beginning

    asked by Franco
  229. world cultural geo.

    what does it mean when the question asks "how are christians relationships to famaily"? and education?

    asked by alanaR.
  230. algebra

    pliis the equivalent form indicated for each of the following fractions 7/9=?/45 and 11/5=?/35 pliis help meee

    asked by alex
  231. college

    A car accelerates at a rate of 0.6 m/s2. How long does it take for this car to go from a speed of 55 mi/h to 60 mi/h?

    asked by Maggie
  232. 8th grade math

    How do I create a calendar with expressions using letters a,b,c, and d (1,2,3,4). Each expression needs to equal each day on the calendar.

    asked by Tee
  233. math(Please check)

    Find the real solutions of the equation: 14x^2 - 5x^2 - 1 = 0 I know that you have to use au^2 + bu +c = 0 so u^2 - 5x -1 which is prime. So would the answer be that the solution is the empty set?

    asked by Hannah
  234. history

    I've decided to do my american history paper on consumer culture but i need to narrow it down to a specific time period and develop a thesis- is there a good thesis anyone can think of

    asked by kelli
  235. math

    solve the given equation for x x-2/4+x+3/5=5/4

    asked by Anonymous
  236. math

    The theater group performed on Friday and Saturday night. Three hundred and twenty four attended on Friday, and 33 more attended on Saturday. How many people saw the show?

    asked by michelle
  237. Geography

    what industry provide the bulk of trade in canada? Thank you!

    asked by Ryan
  238. Statistics

    The average mpg usage for a 2004 Ford Expedition 2WD for a sample of 10 tanks of gas was 17.0with a standard deviation of 0.8. For a Ford Explorer 2WD, the average mpg usage for a sample of 10 tanks of gas was 18.5 with a standard deviation of 1.0. (a)

    asked by Kim
  239. A&P

    ___________are usually attached to rough endoplasmic reticulum and produce enzymes and other protein componds.

    asked by Abby
  240. Pre-Calculus

    Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find the three numbers.

    asked by Melina
  241. math

    media service charges $30 for a phone and $20 month for its economy plan. find a model that determines the total cost,C(t) of operating a media services phone for 1 months C(t)= use the model to find the total cost for 3 months of service total cost=

    asked by Anonymous
  242. Chemistry

    If a person has a mass of 62 kg, how many pounds of water does she have in her body?

    asked by TT
  243. social studies

    There house will possibly go from democrate to republican. Will this impede progress or make for more progress in the government? What will the influence the tax reform bill?

    asked by gaby
  244. Englisth

    Three common adjuective endings

    asked by katherine
  245. science

    _____ contain a fuel, rods to control nuclear reactions, and a cooling system. Would Nuclear reactor work??

    asked by Katie
  246. English III

    What does Miss Hannigan say shw will do to Anny and Sandy in the movie Annie? I looked it up and still can't find the answer.

    asked by Betty
  247. MARH

    Do students at various universities differ in how sociable they are? Twenty-five students were randomly selected from each of three universities in a region and were asked to report on the amount of time they spent socializing each day with other students.

    asked by Anonymous 1
  248. Economics

    In the short run a firm needs six units of labor to produce eight units of output and ten units of labor to produce nine units of output. If the price of labor is $2 per unit, what is the marginal cost of the ninth unit of output?

    asked by Anonymous
  249. geometry

    i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 REMEMBER 4-FOLD SYMMENTRY IS NEEDED !!! URGENT !!!

    asked by vaishnavi
  250. math

    solve the equation and check 1/5(y+3)+3=1/10(7y-4)-5

    asked by Anonymous
  251. biology

    are the antipodals hapliod or diploid?

    asked by bill
  252. Algebra

    How many milimiters of pure acid must be added to 150 milimiters of a 30% solution of acid to obtain a 40% solution? I know that the answer is 25 milileters. Could someone show me with steps how to get the answer.

    asked by Mark
  253. Anatomy

    What is the groove between the diapragm and ribcage in the lower part of the pleural cavity?

    asked by Cassy
  254. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy
  255. physics

    a pendulum of length L=9.8m hangs in equilibrium and is given velocoity v=0.2m/s at its lowest point.What is the magnitude of the subsequent oscillation?

    asked by kabelo
  256. PHY

    Two objects attract each other gravitationally with a force of 3.5 10-10 N when they are 0.33 m apart. Their total mass is 4.0 kg. Find their individual masses. A)larger mass kg B)sMaller mass kg

    asked by ami
  257. PHI

    when sherry stopped freelancing at home and took a full-time job, her salary doubled. However, ther money she had available to spend above and beyond her monthly edxpenses increased only slightly. which of the following, if tru best explains the difference

    asked by Anonymous
  258. English

    Can you help me find the most appropriate words, please? 1) My school consists of a three-storey building. There is a parking place (?) at the front and a courtyard at the back. 2)The teacher's room and the secretary's offices are on the ground floor

    asked by Franco
  259. math

    how do you figure out what x is? 5x+1=2x+7

    asked by mary
  260. Algebra 2

    how can i graph this piecewise function : f(x) = {x-4, if x1

    asked by Mary
  261. chemistry

    in trial one the mass of silver oxide is .5g. The mass of silver metal product is .431 grams. In trial two the silver oxide=.498 and silver metal=.388. Use the conservation of mass to calculate the mass of oxygen that combined with the silver

    asked by kelly
  262. science

    i need the independent,dependent ,control group variable on a cat always landing on their feet

    asked by justin
  263. math

    express the relation 6x+4y=24 in an equivalent form where y is a function of x

    asked by Anonymous
  264. social studies

    How many people lived on the north american continent before european settlement?

    asked by lauren
  265. college physics

    A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?

    asked by Angela
  266. Math

    I have this homework 4 prealgebra where i have to do subtractions with integers and the letter of the exercise goes in the box that has the number of the answer then when im finish the is gonna come out to da title question What should you do when you cant

    asked by Alma
  267. english

    how can i fix this sentence a woman who comes to Ashley for a routine blood pressure check in the clinic shares the news to Ashley that her 19-year-old daughter is pregnant

    asked by flame
  268. computer science (Assembly language)

    Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

    asked by Star
  269. physics

    An object with an inital velocity of 20 cm/sec is decelerated at 2 cm/sec/sec for 5 seconds,What will the resultant velocity be?

    asked by Anonymous
  270. HEALTH

    Dr bob's computerized records have been compromised by a virus, resulting in damages to patients. Which of the following is most true? a) Dr bob will not be liable. b) dr bob will be liable. c) dr bob won't be liable if the virus was introduced by someone

    asked by Ab
  271. Phi

    Economics continue to measure our countrys economic well being based solely on its GDP however, GDP measures only products and services bought and sold with no regard with whether these money-generating transactions are positive or negativer. For example,

    asked by Mamabrenda
  272. 9th grade

    pliis the equivalent form indicated for each of the following fractions 7/9=?/45 and 11/5=?/35 pliis help meee

    asked by alex
  273. Botany

    I need a labeled diagram of Cytokinsis Mitosis of the lily

    asked by chris
  274. auditing

    Describe how the separation of (1) authorization of production transactions, (2) recording of these transactions, and (3) physical custody of inventories can be specified among the production, inventory, and cost accounting departments

    asked by rebeca
  275. economics

    You are a utilitarian social planner and have a very limited number of vaccines to a new and potentially deadly virus. How do you allocate them? Do you: (A) give them to specific groups, such as high-risk populations, or (B) sell them to the highest bidder

    asked by chris
  276. French

    Part 3: Encore des questions: Faites des questions directes avec les phraes de l'activité 10 (from previous part 2 post) 1. ----------- intéresse Paul? Answer: Qu'est-ce qu' 2. ----------- lui est arrivé? Answer: Qu'est-ce qui 3. --------- il a compris?

    asked by Missy
  277. college

    A car accelerates at a rate of 0.6 m/s2. How long does it take for this car to from a speed of 55 mi/h to 60 mi/h?

    asked by Maggie
  278. Math 117

    The width of a rectangle is 1 ft. less than the length. The area is 12ft.^2. Find the length and width.

    asked by Sabrina
  279. algegra

    what is the volume of each rectangular prism. base area 56 in squared,height 6 in

    asked by devrick
  280. Algebra

    If a computer costs an electronics dealer $300, and she sells them for $800, what is her rate of profit based on the selling price? I know the answer is 62.5% but could someone show me how to get this answer , thanks

    asked by Mark
  281. English

    I need help bad, what exactly am I suppose to write about with this question. I just need to know what this question is asking. Here is the question: “Locate two books or internet sources on the career of Edgar Allen Poe. On the basis of information you

    asked by Anonymous
  282. calc

    Consider the function f(x)= x^2+a if x1 a. determine the value(s) of a that will make f(x) continuous at x=0 b. determine the value or values of a that will make f(x) continuous at x=1

    asked by Anonymous
  283. chemistry

    When brought to the surface of the moon, will a mass have more or less weight than it did on the surrface of the earth, or will it be the same weight? explain

    asked by Anonymous
  284. math help plz

    You receive 80% on your first midterm while your friend receives 70%. Taking into consideration the fact that the first midterm is worth 14% of your overall mark, the difference (between receiving 70% and 80% on your midterm) this could make in your final

    asked by May
  285. math

    graph the following function g(x)=|x+5|

    asked by Anonymous
  286. math

    I need help with integer expression (3z)exponent2-10

    asked by erika 7th
  287. writing

    In APA formate do I have to do (para. 11) or should it be (Para. 11)

    asked by lois
  288. Physics

    A ball thrown into the air lands 38 m away 2.4 s later. Find the direction and magnitude of the initial velocity.

    asked by Rita
  289. Microscopes

    What is the RESOLVING POWER of a electron and light microscope?

    asked by Chris
  290. algebra

    solve for the variable in the equation 3(-2 - 3x) = -9x - 4

    asked by teri
  291. English

    In what ways do APA format and style make academic communication hard?

    asked by Kerry
  292. criminal justice

    how are ethics and morals related to one another?

    asked by llisa
  293. ecology

    What qualities make a great living environment for the isopod ?

    asked by Reyan
  294. Math 117

    Find the vertex, line of symmetry, and the max/min value of f(x). Graph the function. f(x)=-3(x+1)^2+3

    asked by Sabrina
  295. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy
  296. Math 117

    Find and label the vertex and the line of symmetry. Graph the function. f(x)=1/3x^2

    asked by Sabrina
  297. criminal justice

    i need someones opinion on this question please. The American criminal justice system is a good one, but far from perfect. Innocent people have gone to prison and guilty ones gone free. How much of the out come of a trial has to do the ethics of the

    asked by paula
  298. math

    Explain an error problem in each of the following: a) 13/35=1/5, 27/73 = 2/3, 16/64 = 1/4 b) 4/5+2/3=6/8, 2/5+3/4=5/9, 7/8+1/3=8/11 c) 8 3/8-6 1/4=2 2/4, 5 3/8-2 2/3=3 1/5, 2 2/7-1 1/3=1 1/4 d) 2/3*3=6/9, 1/4*6=6/24, 4/5*2=8/10

    asked by Anonymous
  299. Hospitality

    I need to provide an organization chart for a lodging facility, example hotel/resort. I have never worked in a hotel before. Can someone recommend a website for the hilton or some other popular lodging facility organizational chart?

    asked by Shon
  300. social studies

    There house will possibly go from democrate to republican. Will this impede progress or make for more progress in the government? What will the influence the tax reform bill?

    asked by gaby
  301. math

    how do you write in word form 204,500,040.

    asked by leslie
  302. english essay question please help

    Describe the effects of circumstance on character.(include such thing as education, family,race,economic status, social status, clutural background and geographical location).From the story Young Goodman Brown And A&p

    asked by mikaliah
  303. applied maths

    a force 'P' acts on a bodyat an angle theta to a horizontal line 'OX'. P,together with a pull of 1.5kn at 30degrees to, and below 'OX', has the same effect as a force of 5kn at 45degrees to and above 'OX'. i'm so confused!

    asked by Rob
  304. social studies

    Their house will possibly go from democrate to republican. Will this impede progress or make for more progress in the government? What will influence the tax reform bill? i want both republican and demorcatic view

    asked by gaby
  305. Chemistry

    Can someone explain the difference between oxidation and reduction? ALso reducing agent and oxidizing agent?

    asked by Natalie Brooks
  306. Assembly Language

    Hello, i am new at assembly language and i just got started with this stuff. I have this assignment which doesn't make any sense to me. Can someone please help? I am using Kip Irvine's, Assembly Language for x86 Processors, 6th edition. These are the

    asked by Star
  307. Precalculus

    How do you determine graphically any local and absolute extrema. f(x)=x2+2x-15

    asked by Amber Hill
  308. chemistry

    is heat matter

    asked by cuffs98
  309. 9th grade-Social Studies

    I am doing a reconstruction project and need specific information about THe Black Codes. What is this or what were these? Who did or did not benefit from it? Thank you

    asked by Perri
  310. Music

    I'm learning about Asian music and i have 7 terms, and i have to group them into either folk, classical or popular. The 7 terms are khaen, tai thu, metallophone, piphat, ramayana, Lam sing, and gamelan. Which terms fall into each of the 3 groups. Any help

    asked by Jake
  311. math

    find the rate of change thousand dollars month, the rate of change is

    asked by Anonymous
  312. 9th grade

    simplify the following fractions by rewriting them in factored form and finding all the "ones" you can....plis help.. 42/60, 16/80, 51/17, 7/33...

    asked by miimii
  313. government

    where would I go to find out about campaign ads for a government project? I am stuck

    asked by Tinna
  314. algebra 1

    simplify the following fractions by rewriting them in factored form and finding all the "ones" you can....plis help.. 42/60, 16/80, 51/17, 7/33...

    asked by bb
  315. college physics

    A 32 kg box sitting on a ramp has a coefficent of 0.21. If the ramp is raised, at what angle will the box begin slipping?

    asked by laura
  316. math

    List three real-world situations that involve ratio and proportion.

    asked by Anonymous
  317. Chemistry

    Why is it better to use titration rather than just diluting something in some circumstances?

    asked by Heather
  318. Business

    After more than 10 years of proposals, revisions, and re-revisions, the National Conference of Commissioners on Uniform State Laws (NCCUSL) at long last voted to adopt the Uniform Computer Information Transactions Act (UCITA) on July 29. Like its better

    asked by CYNTHIA
  319. English

    Is this thesis statement too long for a four page essay? Also, are there any major grammatical errors? Although a cursory glance at Odysseus on his long journey home may lead to a conclusion that he is motivated by an overwhelming desire to see his wife

    asked by Anonymous
  320. math

    Explain an error problem in each of the following: c) 8 3/8-6 1/4=2 2/4, 5 3/8-2 2/3=3 1/5, 2 2/7-1 1/3=1 1/4

    asked by Anonymous
  321. Music

    I'm learning about Asian music and i have 7 terms, and i have to group them into either folk, classical or popular. The 7 terms are khaen, tai thu, metallophone, piphat, ramayana, Lam sing, and gamelan. Which terms fall into each of the 3 groups. Any help

    asked by Jake
  322. English

    How do illustrations in books impact our understanding of the characters?

    asked by Cathlene
  323. Science

    In metric measurements, what is the meaning of the abbreviations: Dg, Dm and Hm? Why are the first letters written as capitals?

    asked by Ronnie
  324. English

    What three questions does an adjective answer

    asked by katherine
  325. math

    i am not sure how to to this problem.... X(X+10^-3/4 - (x+1)^1/4 / x^2 the -3/4 and 1/4 are fractions and exponents

    asked by Anonymous
  326. math

    101001001001 - 276328769862 = ?

    asked by ilmy
  327. Math

    Could someone please check my work on these word problems? My solutions just don't seem right, could you please let me know where I may have messed up. Many people know that the weight of an object varies on different planets, but did you know that the

    asked by ASD
  328. 11th grade

    the line with the equation x+y=3 is graphed on the same xy-plane as the parabola with vertex (0,0) and focus (0,3). What is the point of intersection of the two graphs?

    asked by edith
  329. Chemistry

    How can beta radiation be stopped by a piece of aluminum foil?

    asked by Jennifer
  330. chemistry

    what frequency of radiation in Hz is required to ionise helium?

    asked by Anonymous
  331. Math

    unknown number for 1/6h=9

    asked by Rhonda
  332. calculus

    Fond the limit of lim x -> 3 [1/(x+4)] - (1/4) _________________ x

    asked by Jack
  333. Physics

    A nuclear power plant generates (output) 500 mw. It is 34% efficient. The waste heat going in the Connecticut River with an average flow of 3*10 exp 4 (kg/sec). How much does the water temperature rise?

    asked by Aaron
  334. Ms. Sue please check my answer

    People don't buy from local merchants Local people don't have jobs Prices may be higher People aren't self-sufficient What other disadvantages have you thought of? # geography (grade 6) - Ryan, Sunday, September 19, 2010 at 9:55pm interest rate goes up and

    asked by Ryan
  335. algebra

    how do you solve f(f(9)) = 4x+6

    asked by reed
  336. chem

    is NaCl ion dipole, or Ion Ion? my notes say ion ion but online it says ion dipole. Is NaOH2 hydrogen bond or Ion-Dipole? my class notes say ion dipole but it seems, to me, to be h-bond too.

    asked by RiChy
  337. uop

    A firm utilizing FIFO inventory accounting would, in calculating gross profits, assume that

    asked by Anonymous
  338. 4th grade

    30,000,000,000x6

    asked by shanya
  339. math

    solve the given equation for x x-2/4+x+3/5=5/4

    asked by Anonymous
  340. math

    find the domain p(x)=x^2+1

    asked by Anonymous
  341. Business Research for Decision Making

    1. Decide on the type of tool or instrument you think would be effective given your topic on if there is no relationship between customer relationship and customer loyalty, explain why this type of tool would be optimal, and point to research which has

    asked by Stacey
  342. science

    How many people lived on the north american continent before european settlement?

    asked by lauren
  343. math

    Use The Graph To Find The Following A.f(3) B. The Domain, C Any X-values For Which F(x)=2. D. The Range?

    asked by Anonymous
  344. math(please help)

    Find the real solutions of each equation. x=2 srqt 6x-36 I do not know where to start.

    asked by Hannah
  345. criminal justice

    how do defense attorneys deal with the moral dilemma of representing people they know are guilty?

    asked by carter
  346. Precalculus/Algebra 3

    One root of 3x^3-5x^2+2= 0 is 2. Find the remaining roots

    asked by Carol
  347. Math

    what is the equation of pi?

    asked by mani
  348. Math

    Hello everybody

    asked by Jane
  349. English

    Thank you for your last corrections! Can you please check the following summary I prepared on the theme of colonialism in Conrad's "Heart of Darkness"? 1) Conrad presents colonialism not only as a political and an economical enterprise but also as a

    asked by Franco
  350. college UOP

    WHAT ARE YOUR VIEWS WITH DIVIDING ATTENTION AMONG A GROUP

    asked by kay
  351. health

    You have been appointed by the state you live in to get health care organizations to build systems to share information to improve health care services. Name a way you could encourage organizations to join your effort. What advantages would you present?

    asked by samual
  352. math

    3/7-6/7,1/7,-1/2,2/7

    asked by davis
  353. math

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

    asked by davis
  354. English

    Can you please check these sentences grammatically? Thank you very much 1) Kurtz was torn between his desire to bring the light of white civilization to Africa and his boundless will-to-power and inordinate pride. 2) In the end, however, Kurtz had the

    asked by Franco
  355. math

    determine if a graph is a function

    asked by Anonymous
  356. Biology

    In which of the following environments would you be most likely to find non-vascular plants: in desert soil, near the snow line on a mountain, on a sandy ocean beach, or on the forest floor? Give reasons for your answer.

    asked by Emily
  357. college physics

    What is the cross product a x b of the two vectors a = 64.00 m directed due east and b = 32.00 m directed 30° north of east?

    asked by Angela
  358. algebra 2

    simplify the square root of 18 m to the 9th power

    asked by chelsea
  359. math

    if doctor orders 2mg dilaudid and 2.5mg morphine is equal to 0.4mg dilaudid how many mg of morphine would you give?

    asked by carlie
  360. arithmetic

    5(y-x)+z i need help

    asked by erika 7th
  361. Math

    Factor 3y^2z-5yz-9y^2+30y-25 I can't seem to figure this one out... Give me a step by step answer please and thank you :)

    asked by Christian
  362. science

    on myth busters there was a,project "people escaping from jail using real hair,toilet paper,and sheets i need the independent,dependent,and control variable on each

    asked by justin
  363. German

    Can somebody please check over my german homework? I really would appreciate somebody checking over what I've written and telling me where and why I may have gone wrong: "Ich höre gern klassische musik, weil ich eine filme über Mozart gesehen habe und

    asked by Zainab