Questions Asked on
October 21, 2012

  1. physics

    An 76 kg construction worker sits down 2.0 m from the end of a 1440 kg steel beam to eat his lunch. The cable supporting the beam is rated at 15,000 N. Should the worker be worried? Determine the tension in the cable. i.imgur. com/Qfhkd. gif I can't figure

    asked by kev
  2. 7th grade math Ms.Sue please

    At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (–2, –5) and moved 3 steps up and 1 step right. a. Write a rule to describe the translation. b. What were the coordinates of the drummer's

    asked by Delilah
  3. Physics

    The drawing shows a jet engine suspended beneath the wing of an airplane. The weight W of the engine is 12000 N and acts as shown in the drawing. In flight the engine produces a thrust T of 54200 N that is parallel to the ground. The rotational axis in the

    asked by Annie
  4. Chemistry

    I have a question about this one 2N2O(g) ⇋ O2(g) + 2N2(g), what happens to the equilibrium position if the pressure decreases? Is going to shift to the right or to the left???

    asked by alex
  5. Cultural Anthropology

    The difference between transhumance and nomadic pastoralism is: (Points : 1) in transhumance people grow food and in nomadic pastoralism any domesticated plant food is acquired through trade. different types of animals are herded. in transhumance women do

    asked by Maria
  6. Physics

    The gravitational field strenght on the moon is 1.63N/kg. If a rock on the moon weights 2000N, how much does the same rock weigh on the earth?

    asked by Jason
  7. chemistry

    When the iron(II) ammonium sulfate was mixed with the ferrocyanide ion, the precipitate was initially white but turned blue upon exposure to air. What happened to iron(III) ion when the precipitate turned blue?

    asked by Alisha
  8. physics

    A 0.55- ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.5 on a frictionless horizontal surface.If the cord will break when the tension in it exceeds 95 , what is the maximum speed the ball can have?

    asked by Anonymous
  9. Physics

    A 150N block rests on a table. The suspended mass has a weight of 73N. a) What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units of N b)What minimum coefficient of static friction is required to

    asked by Peter
  10. chemistry

    Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really

    asked by Anonymous
  11. math please help ms.sue

    MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money to the state government. a. Is the amount of tax collected proportional to the cost of an item before tax is added? b. Is the amount of tax collected

    asked by Cassidy
  12. physics

    A object-spring system undergoes simple harmonic motion with an amplitude of A. Does the total energy change if the mass is doubled but the amplitude is not changed? Do the kinetic and potential energies depend on the mass? Explain. Thanks in advance

    asked by roro
  13. physics

    A child has a temperature of 101◦F. If her total skin area is 13 m2, find the en- ergy loss per second due to radiation, assum- ing the emissivity is 1. The Stefan-Boltzmann

    asked by Lee
  14. Chemistry

    Mass (before reaction): test tube + HCl(aq) + stir bar + capsule 26.600 g Mass (after reaction): test tube + HCl(aq) + stir bar + capsule 25.300 g Volume of water displaced from the squirt bottle 148 mL Temperature of the CO2(g) 287.4 K Pressure (atm)

    asked by Karina
  15. math

    explain which is more accurate: measuring to the nearest millimeter or to the nearest eighth of an inch

    asked by Taylor
  16. Chemistry

    A sample of benzoic acid contaminated with NaCl and sand is to be recrystallized: Benzoid Acid: Solubility in water at 100 degrees Celsius in g/100 mL = 6.8, at 0 degrees Celsius in g/100 mL = 0.2. NaCl: Solubility in water at 100 degrees Celsius in g/100

    asked by Trisha
  17. physics

    A child has a temperature of 101◦F. If her total skin area is 13 m2, find the en- ergy loss per second due to radiation, assum- ing the emissivity is 1. The Stefan-Boltzmann constant is 5.6696 × 10−8 W/m2 · K4 . (As- sume the room temperature is

    asked by Lee
  18. math

    the sclae on a map is 1in:25mi. You measure 6.5in,between two towns what is the actual distance

    asked by Taylor
  19. accounting

    In its first month of operations, Danielle Company made three purchases of merchandise in the following sequence: (1) 161 units at $17, (2) 414 units at $18, and (3) 115 units at $19. Assuming there are 271 units on hand, compute the cost of the ending

    asked by milania
  20. Physics

    someone in a car going past you at the speed of 31m/s drops a small rock from a height of 1.5m.

    asked by Mich
  21. 7th grade math help asap plz

    6. In which quadrant is the point (x, y) located if x is negative and y is positive? (1 point) II III IV I At the halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (–2, –5) and moved 3 steps up

    asked by Delilah
  22. physics

    A 89.0 kg fullback running east with a speed of 5.00 m/s is tackled by a 97.0 kg opponent running north with a speed of 6.00 m/s. (a) Calculate the velocity of the players immediately after the tackle.

    asked by Anonymous
  23. Physics

    A footballl is thrown directly toward a receiver with initial speed of 18.0 m/s At an angle of 35.0 degrees above the horizontal. At that instant, The receiver is 18.0 m from the quarterback. In what direction and with what constant speed should the

    asked by Mollie
  24. VHS

    A ski starts from rest and slides down 22 degree incline 75 m long.If the coefficient of friction is .090 what is the ski's speed at the base of incline and if the snow is level at the foot of the incline and has the same coefficient of friction,how far

    asked by SP
  25. Chemistry

    A reaction of magnesium with nickel (iii) chloride will produce magnesium chloride and nickel. Using 31.76g of magnesium would produce how many grams of nickel?

    asked by Nicole
  26. physics

    A man claims he can safely hold on to a 14.20 kg child in a head-on collision with a relative speed of 132. mi/h lasting for 0.100 s as long as he has his seat belt on. (a) Find the magnitude of the average force needed to hold onto the child.

    asked by Anonymous
  27. Physics

    A baseball coach shouts loudly at an umpire standing 3.6 meters away. If the sound power produced by the coach is 2.2×10−3 W, what is the intensity of the sound when it reaches the umpire? Answer in units of W/m2.

    asked by Aj
  28. Math

    in the back stockroom at the wheel shop, the number of seats and horns equaled the number of wheels. the number of seats and handlebars equaled the number of horns. twice the number of wheels is equal to 3 times number of handlebars. Determine the

    asked by Char
  29. math

    classify the triangle as a scalene,isoceles or equilateral and acute right or obtuse

    asked by mom
  30. physics

    In a Broadway performance an 81.0 kg actor swings from a 2.35 m long cable that is horizontal when he starts. At the bottom of his arc he picks up his 35.0 kg costar in an inelastic collision. (a) What is the velocity of the swinging actor just before

    asked by Anonymous
  31. physics

    Gayle runs at a speed of 8.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 14.0 m. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops

    asked by Anonymous
  32. chemistry

    A certain weak base has a Kb of 9.00 × 10-7. What concentration of this base will produce a pH of 10.34?

    asked by Kelly
  33. Business math

    Meg's pension plan is an annuity with a guaranteed return of 3% per year (compounded quarterly). She would like to retire with a pension of $50,000 per quarter for 10 years. If she works 22 years before retiring, how much money must she and her employer

    asked by Roseanne
  34. AP Physics

    A 45 kg gymnast steps off a platform located 1.3 m above a spring board. The spring board compresses 25 cm. a)What is the spring constant of the spring board? b) If energy is in fact conserved in this problem, explain how high the gymnast will spring

    asked by Anna
  35. physics

    a skier moving at 15 m/s down a 20 degree slope encounters a region of wet snow of coefficient of friction is 0.8. how far down the slope does she go before stopping

    asked by Jazmin
  36. college physics

    A student moves a box of books by attaching a rope to the box and pulling with a force of 80.0 N at angle of 45o. The box of books has a mass of 25.0 kg and the coefficient of kinetic friction between the bottom of the box and the sidewalk is 0.43. Find

    asked by amber
  37. Logarithms

    Solve: 3 log 10^x = 4.2 the 10 is underneath the log I got a weird number in scientific notation. 2.511... X 10^9

    asked by Sam
  38. math

    whatis the unit price of 40 ounces for $12

    asked by kyla
  39. physics

    A hungry 675 -N bear walks out on a beam in an attempt to retrieve some "goodies" hanging at the end. The beam is uniform, weighs 250 N, and is 5.00-m long; the goodies weigh 110 N. When the bear is at x = 1.00 m, find the tension in the wire and the

    asked by Emily
  40. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis
  41. Chemistry

    how do you balance the equation with H3PO4(aq)and BaCl2(aq)?

    asked by Sally
  42. Chem

    Suppose that a stable element with atomic number 119, symbol Wr, has been discovered. (d) What would be the most likely charge of the Wr ion in stable ionic compounds? (e) Write a balanced equation that would represent the reaction of Wr with water. (f)

    asked by Dave
  43. 7th grade Math

    MegaMart collects a sales tax equal to 1/16 of the retail price of each purchase and sends this money tp the state government. a. Is the amount of tax collected proportional to the cost of an item before tax is added? b. Is the amount of tax collected

    asked by Cassidy
  44. 7th grade math help ASAP

    4. Point E is located at (–2, 2) and point F is located at (4, –6). What is the distance between points E and F? (1 point) square root of fifty-two square root of twenty-eight 10 square root of twenty 6. In which quadrant is the point (x, y) located if

    asked by Delilah
  45. Chemistry

    Calculate the theoretical yield in moles of Fe(C5H7O2)3 for this experiment. Record this number on your data sheet. Calculate the theoretical yield in g Fe(C5H7O2)3 (GMM: 353.18g mol^-1), for this experiment. Record this number on your data sheet. I really

    asked by Singh
  46. Chemistry

    Calculate the de Broglie wavelength associated with a body of mass 1.5 kg moving with a velocity of 100m/s.

    asked by Sparkle
  47. Chemistry

    Use the balanced equation to answer the following: 3AgNO3(aq) + FeCl3(aq)...Fe(NO3)3(aq) + 3AgCl(s) If 21.73g of FeCl3 is mixed with 48.97g of AgNO3 a) Which is the limiting reagent? b) How many grams of AgCl can be theoretically produced? c) If 15.97g of

    asked by Nicole
  48. Logarithms

    Solve 7^3x=623

    asked by Sam
  49. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis
  50. math

    You have just isolated a new radioactive element. If you can determine its half-life, you will win the Nobel Prize in physics. You purify a sample of 2 grams. One of your colleagues steals half of it, and eight days later you find that 0.1 gram of the

    asked by Roseanne
  51. physics

    The force shown in the force vs. time diagram in the figure below acts on a 1.10 kg object. Find: (a) the impulse of the force exerted on the ball.

    asked by Anonymous
  52. physics

    Consult Multiple Concept Example 10 in preparation for this problem. Traveling at a speed of 18.7 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is

    asked by Daman
  53. Physics

    The time needed for a water wave to change from the equilibrium level to the crest is 0.4185 s. What fraction of a wavelength is this? What is the period of the wave? Answer in units of s. What is the frequency of the wave? Answer in units of Hz.

    asked by Aj
  54. Physics

    A skyrocket explodes 77 m above the ground. Three observers are spaced 106 m apart, with observer A directly under the point of the explosion. Find the ratio of the sound intensity heard by observer A to that heard by observer B. Find the ratio of the

    asked by Aj
  55. Physics

    Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of 136 kg. Under the

    asked by Kane
  56. history

    Assia Djebar’s mother breaks Algerian custom when she refers to her husband by his name is it true false i think it was fasle

    asked by benji
  57. Physics

    A pistol that fires a signal flare gives the flare an initial speed (muzzle speed) of 185 m/s. (a) If the flare is fired at an angle of 45° above the horizontal on the level salt flats of Utah, what is its horizontal range? You can ignore air resistance.

    asked by Michelle
  58. java

    Write a java application that finds the smallest of several integers. Prompt the user for the number of integers that will be input, then prompt the user for that number of integers. Evaluate the integers to determine the smallest value. Run the program to

    asked by saleh
  59. physics

    A person wants to push a lamp (mass 7.2 kg) across the floor, for which the coefficient of friction is 0.23. Calculate the maximum height above the floor at which the person can push the lamp so that it slides rather than tips (Fig. 9-62).

    asked by Olivia
  60. geometry

    A classroom has a floor area of 600 square feet. What is the floor area of the classroom in square meters? describe three different correct ways to solve this area problem. Each way of solving should use the fact that 1 inch = 2.54cm. Explain your

    asked by Chelsea
  61. chem problem

    Using the information provided calculate the heat of reaction involved in the conversion of 25.00 g of methane (CH4, MM=16.0426 g/mol) to chloroform (CHCl3, MM=119.3779 g/mol): CH4(g) + 3 Cl2(g) --> CHCl3(l) + 3 HCl(g) Given the following: C(graphite) + 2

    asked by Kjd
  62. chemistry help

    An amount of 414.27 g of zinc sulfide (ZnS, MM=97.44 g/mol) reacts with 99.58 g of oxygen gas (O2, MM=31.999 g/mol) at a constant temperature of 298.0 K and constant pressure of 1.00 atm. The reaction: 2 ZnS(s) + 3 O2(g) --> 2 ZnO(s) + 2 SO2(g) dH =

    asked by Tymee
  63. stats

    Suppose a shipment of 500 machine parts contains 62 defective and 438 non-defective machine parts. From the shipment you take a random sample of 25. You are interested in the number of defective machine parts out of 25 trials and corresponding

    asked by laura
  64. Chemistry

    What property must a substance have if u want to use the substance to make an aqueous solution? Grade- 9

    asked by Seastone
  65. Physics

    The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the longer

    asked by jim
  66. Physics

    Two positive charges of 6 �C are separated by a distance of 50 cm in air. What is the electric field strength at the midpoint of the line joining the charges? 72.0 V/m 64.8 V/m 6.0 V/m zero V/m I'm honestly clueless because I don't recall ever learning

    asked by Derp
  67. College Chemistry

    A 14.0 g sample of Krypton has a temperature of 25C at 625mm Hg. What is the volume, in Milliliters, of the krypton?

    asked by Will
  68. chem problem

    Using the information provided calculate the heat of reaction involved in the conversion of 25.00 g of methane (CH4, MM=16.0426 g/mol) to chloroform (CHCl3, MM=119.3779 g/mol): CH4(g) + 3 Cl2(g) --> CHCl3(l) + 3 HCl(g) Given the following: C(graphite) + 2

    asked by Kjd
  69. Physics

    A 45-kg skater rounds a 5.0-m radius turn at 6.3 m/s. (A.) What are the vertical and horizontal components of the force the ice exerts on her skate blades? (B.) At what angle can she lean without falling over?

    asked by John
  70. English

    In this sentence: Matt began to see himself differently after he talked to Mr. Bataky. In this sentence "himself" is an object pronoun, subject pronoun, intensive pronoun, reflexive pronoun?

    asked by Sally
  71. Physics

    A 6.7 kg package starts from rest and slides down a mail chute that is 50 m long and has a vertical drop of 10m. If the velocity of the package at the bottom of the chute is 4m/s what is the average frictional force on the package as i slides down the

    asked by Jazmin
  72. Physics

    A footballl is thrown directly toward a receiver with initial speed of 18.0 m/s At an angle of 35.0 degrees above the horizontal. At that instant, The receiver is 18.0 m from the quarterback. In what direction and with what constant speed should the

    asked by Mollie
  73. chemistry

    Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium? This is what i found for ksp CaF2 Ca(2+) +2F(-) Ksp=(x)(4x^2) where x=solubility Therefore, Ksp=3.7 x 10^-11 and for Qsp I am not sure how to go on about

    asked by John
  74. Physics

    A 150N block rests on a table. The suspended mass has a weight of 73N. a) What is the magnitude of the minimum force of static friction required to hold both blocks at rest? Answer in units of N b)What minimum coefficient of static friction is required to

    asked by Peter
  75. physics

    Janet jumps off a high diving platform with a horizontal velocity of 2.11 m/s and lands in the water 2.6 s later. How high is the platform? The acceleration of gravity is 9.8 m/s2 .

    asked by Rachel
  76. Physical science

    What is the gravitational potential energy of a 5kg object resting 3m above the ground?

    asked by Drake
  77. Physics

    Two resistors 10 Ω and 5 Ω are connected in parallel across a 15 V battery. What is the potential difference across the 10 Ω resistor? 5 V 10 V 15 V 20 V My answer would be A; 5 V

    asked by Herp
  78. Physics

    An electric kettle operates at 110V. What is the resistance of the kettle if the power is 1.5kW? 8.1 Ω 1.4 Ω 81 Ω 14 Ω Both A and B seem reasonable, and I'm leaning more towards B. Help..?

    asked by Herp
  79. physics

    The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The

    asked by greg
  80. Physics(please bobpursley)

    A girl coasts down a hill on a sled, reaching level ground at the bottom with a speed of 6.7 m/s. The coefficient of kinetic friction between the sled’s runners and the hard, icy snow is 0.048, and the girl and sled together weigh 615N. The acceleration

    asked by George
  81. Physics

    During a baseball game, a batter hits a high pop-up. If the ball remains in the air for 4.11 s, how high does it rise?

    asked by Kayla
  82. PHYSICS

    A block of mass 0.86 kg is suspended by a string which is wrapped so that it is at a radius of 0.061 m from the center of a pulley. The moment of inertia of the pulley is 4.60×10-3 kg·m2. There is friction as the pulley turns. The block starts from rest,

    asked by Emily
  83. math

    A jar contains six red marbles, four green marbles and five yellow ones. a) determine the number of ways in which any thee marbles can be selected? b) Determine the number of ways to select four marbles where two are red and two are yellow? c) Determine

    asked by Carol
  84. Physics

    a 0.2kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds up at 25 m/s. If the ball is in contact with the sidewalk for 0.025s, what is the magnitude of the average force applied by the sidewalk on

    asked by Jazmin
  85. child day care mangement

    developmentally appropriate practices are based upon knowledge of

    asked by susan
  86. Physics Conducting Spheres

    1. Two concentric conducting spherical shells have radii of 0.145 m. and 0.215 m. The inner sphere bears a charge of -3.00E-08 C. An electron escapes from the inner sphere with negligible speed. Assuming that the region between the spheres is a vacuum,

    asked by andrew
  87. science

    Three lead balls of mass m1 = 14 kg, m2 = 26 kg, and m3 = 8.7 kg are arranged as shown in the figure below. Find the total gravitational force exerted by balls 1 and 2 on ball 3. Be sure to give the magnitude and the direction of this force.

    asked by jane
  88. math

    average attendance at a school's basketball games increased from 1000 to 1500 last year. One student said that represented a 150% increase. Explai the student's error. What was the actual percent increase?

    asked by Taylor
  89. Physics

    Find the angular velocity of a clock's second hand and the linear speed and linear acceleration of a point on the second hand 7.54 cm from the rotation axis.

    asked by Pat
  90. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis
  91. Physics

    A capacitor has a charge of 5 µC when charged by a potential difference of 1.5 V. What is the capacitance of the capacitor? 3.3x10^-6 F 3.3x10^6 F 7.5x10^-6 F 0.3x10^6 F I would think the answer is 3.3X10^F, or choice B

    asked by Derp
  92. Physics

    A force of 50 N accelerates a 5.0 kg block at 6.0 m/s2 along a horizontal surface. (a) What is the frictional force acting on the block? (b) What is the coefficient of friction?

    asked by HanuPhysics
  93. Physics

    A military helicopter on a training mission is flying horizontally at a speed of 60.0 m/s and accidentally drops a bomb (fortunately not armed) at an elevation of 350 m. You can ignore air resistance. Find the horizontal and vertical components of its

    asked by Michelle
  94. precalc

    #1 For what positive numbers will the cube of a number exceed four times its square? #2 For what positive numbers will the cube of a number be less than the number? thanks

    asked by Rebekah
  95. physics

    To determine the location of his center of mass, a physics student lies on a lightweight plank supported by two scales L = 2.44 m apart. If the left scale reads 309 N, and the right scale reads 125 N, calculate the student's mass. Calculate the distance

    asked by Emily
  96. chemistry

    I'm so irritated i cannot come up with the right answer. When 1662 J of heat energy is added to 45.9 g of hexane, C6H14, the temperature increases by 16.0 °C. Calculate the molar heat capacity of C6H14.

    asked by smh
  97. Trigonometry

    use the double angle formula to rewrite. 6cos^2-3 and (cosx +sinx)(cosx-sinx)

    asked by Josh G.
  98. Chemistry

    What property must a substance have if u want to use the substance to make an aqueous solution? Thank you

    asked by Seastone
  99. p

    A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system

    asked by Anonymous
  100. Statistics

    In Professor White’s statistics course the correlation between the students’ total scores before the final examination and their final examination scores is r = 0.9. The pre-exam totals for all students in the course have mean 275 and standard

    asked by Kevin
  101. math

    when is the absolute value of a difference equal to the difference of the absolute values? Explain

    asked by Taylor
  102. pre-calc.

    Answers for Determine The Minimum Distance From The Point (18,20) To The Line 5x+8y=120 Include: Graph, Algebra Of Any Equations, Algebra Of System, Set-up & Steps Of Final Calculations.

    asked by Okzy
  103. math

    A spiiner was spun 16 times. The results are shown in the table below. yellow = 5 white = 4 red = 0 blue = 2 green = 2 orange = 3 whch colors' experimental probability matches its theoretical probability a. yellow, green and orange b. white, red and orange

    asked by kyle
  104. College Chemistry

    Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following. A: 11.2g of a gas that has a volume of 1.50Lat STP? B: .0710g of a gas that has a volume 825ml at 1 atm

    asked by Will
  105. Physics

    A helicopter propeller blade starts from rest and experiences a constant angular acceleration of 25.0 rad/s2. Find the speed of a point on the blade 4.00 m from the axis of rotation when the blade has completed 20 revolutions.

    asked by koko
  106. chemistry

    If the heat of combustion for a specific compound is -1310.0 kJ/mol and its molar mass is 75.45 g/mol, how many grams of this compound must you burn to release 708.60 kJ of heat?

    asked by :)
  107. Geometry

    The measure of angle B, the supplement of angle A, is four times the measure of angle C, the complement of angle A. I need to find the measure of all angles and i have no idea of where to start, any help would be appreciated.

    asked by Anonymous
  108. Reading

    O, sweep of stars over Harlem Streets O, little breath of oblivion that is night 1) what literary device is used in line 2? Metaphor or onomatopoeia? 2) "little breath of oblivion" refers to what quality of night? Bleakness or silence?

    asked by Stars
  109. Physics

    A 3.8 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 13.5 N. Find the speed of the block after it has moved 4.22 m. Answer in units of m/s

    asked by Najah
  110. Math- Calculus

    A 20 foot ladder is sliding down a vertical wall at a constant rate of 2 feet per second. a) How fast is the ladder moving away from the wall when the base of the ladder is 12 feet away from the wall? b) Find the rate of change at which the angle between

    asked by Olivis
  111. Calculus

    use the intermediate value theorem to prove that every real number has a cubic root. That is, prove that for any real number a there exists a number c such that c^3=a

    asked by not so master
  112. Precalc

    #1 For what positive numbers will the cube of a number exceed four times its square? #2 For what positive numbers will the cube of a number be less than the number? thanks

    asked by Rebekah
  113. physics!!

    The two masses (m1 = 4.96 kg and m2 = 2.90 kg) in the Atwood's machine shown in the figure below are released from rest, with m1 at a height of 0.800 m above the floor. When m1 hits the ground its speed is 0.203 m/s. Assuming that the pulley is a uniform

    asked by Emily
  114. algebra

    How many ounces of a 19% copper alloy metal must be added to 42% ounces of a 40% copper alloy metal to produce a metal which is 31% copper alloy

    asked by sh
  115. Physics

    A 0.30 kg mass is attached to a spring with a spring constant 170 N/m so that the mass is allowed to move on a horizontal frictionless surface. The mass is released from rest when the spring is compressed 0.15 m. (a) Find the force on the mass. N (b) Find

    asked by roro
  116. physics

    A 2.42 kg steel ball strikes a massive wall at 11.7 m/s at an angle of 60.0° with the plane of the wall. It bounces off the wall with the same speed and angle, as shown in the figure below. If the ball is in contact with the wall for 0.118 s, what is the

    asked by Anonymous
  117. physics

    A 48.2 kg girl is standing on a 160. kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. The girl begins to walk along the plank at a constant velocity of 2.00 m/s to the right relative to the

    asked by Anonymous
  118. Physics

    A ball is fired from the ground with an initial speed of 2.38 * 10^3 m/s (approximately seven times the speed of sound) at an initial angle of 56.0° to the horizontal. Neglect air resistance. (a) Find the ball's horizontal range.(m)

    asked by Michelle
  119. math

    the perimeter of a dog park is 156 ft. If the length of the park is 2 ft. less than 3 times the width, what are the dimensions of the dog park?

    asked by reba
  120. Physics

    a 0.2kg rubber ball is dropped from the window of a building. It strikes the sidewalk below at 30 m/s and rebounds up at 25 m/s. If the ball is in contact with the sidewalk for 0.025s, what is the magnitude of the average force applied by the sidewalk on

    asked by Jazmin
  121. Physics

    When a particular wire is vibrating with a frequency of 5.3 Hz, a transverse wave of wavelength 69.3 cm is produced. Determine the speed of wave pulses along the wire. Answer in units of m/s.

    asked by Aj
  122. geography

    Can you check my answers please? 1.In what hemispheres is Africa located? Northern, Southern, Eastern, and Western 2. What is the easternmost state in the 48 contiguous states? Maine 3. What is the capital of the southernmost country in Africa? Pretoria,

    asked by Reed
  123. chemistry help

    An amount of 414.27 g of zinc sulfide (ZnS, MM=97.44 g/mol) reacts with 99.58 g of oxygen gas (O2, MM=31.999 g/mol) at a constant temperature of 298.0 K and constant pressure of 1.00 atm. The reaction: 2 ZnS(s) + 3 O2(g) --> 2 ZnO(s) + 2 SO2(g) dH =

    asked by Tymee
  124. chem

    In an industrial process to make alcohol, bacteria, sugar, and water are fed into a bioreactor. The bacteria make alcohol, and water as well as leftover sugar. We desire to remove all the cells from the process stream so we may purify our alcohol product.

    asked by Krin
  125. physics

    A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system

    asked by Anonymous
  126. Math

    Radius of earth 3,959 miles Space shuttle orbits 200 miles above earths Surface Space shuttle completes 220 degrees of a Revolution around earth in one day What is the average speed of the space Shuttle

    asked by Chris
  127. physics

    A 81.0 kg soccer player jumps vertically upwards and heads the 0.45 kg ball as it is descending vertically with a speed of 28.0 m/s. If the player was moving upward with a speed of 4.40 m/s just before impact. (a) What will be the speed of the ball

    asked by Anonymous
  128. Financial accounting

    Laird Company sells coffee makers used in business offices. Its beginning inventory of coffee makers was 200 units at $41 per unit. During the year, Laird made two batch purchases of coffee makers. The first was a 295-unit purchase at $46 per unit; the

    asked by Meg
  129. physics

    A wind is blowing directly from east to west. The pilot of a small plane finds that if he points the nose of the plane 30.0 ° north of east, his velocity with respect to the ground is in the direction 55.1 ° north of east. The speed of the plane with

    asked by Anonymous
  130. Geometry

    Joey has a toy car that is a 1:64 scale model of an actual car. (In other words, the length of the actual car is 64 times as long as the length of the toy car.) Joey's toy car can go 5 feet per second. What is the equivalent speed in miles per hour for the

    asked by Elizabeth Barnes
  131. Physics

    A bullet is fired straight up from a gun with a muzzle velocity of 312 m/s. Neglecting air resistance, what will be its displacement after 1.4 s?

    asked by Kayla
  132. statistics

    If other factors are held constant, how does increasing the number of scores in each sample affect the value of the independent measures t statistic and the likelihood of rejecting the null hypothesis?

    asked by tanya
  133. Statistics

    The null and alternate hypotheses are: H0: μ1 = μ2 H1: μ1 ≠ μ2 A random sample of 15 items from the first population showed a mean of 50 and a standard deviation of 5. A sample of 12 items for the second population showed a mean of 46 and a standard

    asked by Anonymous
  134. chem 1

    9.70 grams of nitrogen gas are allowed to react with 5.44 grams of oxygen gas. What is the maximum amount of nitrogen monoxide that can be formed? What amount of the excess reagent remains after the reaction is complete?

    asked by kim
  135. physics

    A 1.8 tall basketball player attempts a goal 11 from the basket that is 3.05 high.If he shoots the ball at a 54 ◦ angle, at what initial speed must he throw the basketball so that it goes through the hoop without striking the backboard? The acceleration

    asked by Haley
  136. Social Studies

    What geographic factors have an impact on Colombia?

    asked by Unknown
  137. physics

    A 0.43 kg object connected to a light spring with a spring constant of 21.4 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. (b) Determine the speed of

    asked by roro
  138. government

    There is much debate in our country about activist judges and strict constructionist judges. Do you believe that judges should be limited to interpreting what the constitution and federal laws say?

    asked by Dora
  139. chem

    In an industrial process to make alcohol, bacteria, sugar, and water are fed into a bioreactor. The bacteria make alcohol, and water as well as leftover sugar. We desire to remove all the cells from the process stream so we may purify our alcohol product.

    asked by Krin
  140. MATH-Linear Programming

    Hey guys stumped on this one \HELP PLEAZE A.S.A.P. minimize p= 15x +18y subject to x+2y= 36 x>=0 y>=0

    asked by garnel
  141. government

    why should federal courts be able to declare an act of Congress unconstitutional

    asked by Dora
  142. Business English

    Which of the following sentences is the refusal implied rather than directly stated

    asked by Nelly
  143. Math

    Radius of earth 3,959 miles Space shuttle orbits 200 miles above earths Surface Space shuttle completes 220 degrees of a Revolution around earth in one day What is the average speed of the space Shuttle

    asked by Chris
  144. physics

    Why is more impulse delivered during a collision when bouncing occurs than during one when it doesn't?

    asked by Anonymous
  145. math

    average attendance at a school's basketball games increased from 1000 to 1500 last year. One student said that represented a 150% increase. Explain the studnets error. What was the actual percent increase

    asked by Taylor
  146. math

    My denominator is 5 more than my numerator.I am equal to 27/72

    asked by tina
  147. physics

    A 33.6-kg crate rests on a horizontal floor, and a 64.7-kg person is standing on the crate. Determine the magnitude of the normal force that (a) the floor exerts on the crate and (b) the crate exerts on the person.

    asked by Daman
  148. algebra

    Nurse erika needs to prepare 12 liters of a 10% saline solution. The stockroom only has 7 % and 15% saline solutions. How much of each solution should erika mix together to get 12 litres of a 10% saline solution

    asked by sh
  149. Physics

    Beth, a construction worker, attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake. The rope makes an angle of 60.9 ◦ with the horizontal. If Beth exerts a force of 116 N on the rope, what is the magnitude of the

    asked by AJ
  150. Physics

    What is the mass of a paratrooper who experiences an air resistance of 400 N and an acceleration of 4.5 m/s2 during a parachute jump.

    asked by HanuPhysics
  151. Chemistry

    How long would it take a 20Kw heater to warm up 1000 litres of water from 15 degrees to 55 degrees in hours? specific heat of water = 4.18kJ. also How much heat would a block of ice melting at 200Kg per hour absorb? thanks if anyone can help!

    asked by Dave
  152. Business

    Choose a product you wish to market. You will follow this product through all four P's of Marketing. Describe your goal. Is it to maximize quantity, market penetration, market share, gross revenue, profit, or other goal (such as social change)? In your one

    asked by Amber
  153. Physics

    if rock A is dropped from a cliff and rock B is thrown downward off the cliff, which of the two has a greater velocity?

    asked by Barbara
  154. Physics

    A 28 kg canoe has a 24 kg passenger. The passenger is 2.0 m from the left end of the canoe and the center of mass of the canoe by itself is 2.9 m from the left end. a. Calculate the position of the center of mass of the canoe/passenger system. b. if we

    asked by Ezek
  155. physics

    joe weighs 650N. how much work does he do if he climbs 4m up a a rope?

    asked by Brenna
  156. Impact force

    A 65.0 kg professional diver performs a dive from a platform 10 m above the water surface. Find the average impact force she experiences in her collision with the water if the collision lasts for 0.800 s.

    asked by Anonymous
  157. Sogaduzela

    Simplify sin165.

    asked by Mfanvela
  158. College Chemistry

    Two moles of Mg and five moles of O2 are placed in a reaction vessel, and then the Mg is ignited to produce Mg (F.W.= 40.31 g/mole). What is the actual mole ratio, the calculated mole ratio, how many moles of MgO are formed, and what is the weight of MgO

    asked by Shelby
  159. aig math

    Rosa and Marty had the same amount of money.After Rosa spent $45 and Marty spent $117, Rosa had 4 times as much money as Marty. How much money did Rosa have at first? I don't know the answer to this one so can you show me how you got your answer and what's

    asked by lidia
  160. English

    It was two by the village clock, When he came to the bridge in Concord town. He heard the bleating of the flock, And the twitter of birds among the trees, And felt the breath of the morning breeze Blowing over the meadows brown. And one was safe and asleep

    asked by 303
  161. physics

    A certain 0.92 kg object will reach terminal velocity after 0.75 seconds. What is the speed of its terminal velocity and what is the force from air resistance at this speed? (Assume it would would accelerate at 9.81 m/s^2 until it reaches terminal

    asked by Lauren
  162. Grammar

    Hydrogen does not react with..... or Hydrogen does not react to........ Which is correct? Do I use with or to?

    asked by Anonymous
  163. politics

    There are various levels and types of judicial courts. In the case Sitz v. Michigan Department of Police, two levels of government and court systems interact to come to a final verdict. What was the final verdict and how did it reach that conclusion?

    asked by Dora
  164. Physics

    A 2.42kg block starts from rest at the top of a 22.9◦ incline and accelerates uniformly down the incline,moving 2.41m in 2.14s. The acceleration of gravity is 9.81m/s2. a) What is the magnitude of the acceleration of the block? Answer in units of m/s2 b)

    asked by Alex
  165. chemistry

    why is the bond length an average rather than a fixed number ?

    asked by eddie
  166. chemistry

    name the following compound by the stock system (international systemic naming system: 1)Li2CO3 2) MnO2 3) HBrO4 4) (NH4)2 S 5) H3PO3 6) P2O5

    asked by Tasha
  167. Grammar

    Hydrogen react with ..... Or Hydrogen react to...... Do I use with or to?

    asked by Anonymous
  168. math

    in a triangle /the small side is x+6 one side at the bottom is 20/ another side divid by a line start from the angle cross from it and mark 1 part is x /another part is 8/what is valuae of x

    asked by carrolton
  169. math

    The length and the breadth of a rectangle are rounded off to the nearest centimetre.The perimeter of the rectangle is 26cm.What are the possible values of its length and breadth.

    asked by aarthi
  170. Chemistry

    If there were 197g of sulfuric acid in your car battery, how many grams of baking soda would you need to completely neutralize the acid. Here is the balanced equation: H2SO4(aq) + NaHCO3(s)....NaSO4(aq) + 2CO2(g) + 2H20(l)

    asked by Courtney
  171. just a question

    Can efforts to reinvent government solve the problems associated with bureaucracies? Why or why not?

    asked by dora
  172. A.P. Chemistry

    10. What mass of LiSO4 (110 g/mol) is required to prepare 30mL of 0.20M LiSO4? 11. Liquid bromine is reacted with aluminum to produce solid aluminum bromide. If 0.450L of bromine reacts with excess aluminum, how much aluminum is made? (Density of liquid

    asked by Yazmin
  173. math

    Tina'goal this month is to earn$10,000.She earns $13,500 in total. What percentage did she meet her goal

    asked by Mary
  174. Geometry

    Imagine that all the people on Earth could stand side by side together. How much area would be needed? Would all the people on earth fit in Rhode Island? Explain your reasoning. Rhode Island, the smallest state in terms of area, has a land area of 1000

    asked by Elizabeth Barnes
  175. AP Chemistry

    What volume of 0.596M K3PO4 is required to react with 29 mL of 0.864 M MgCl2 according to the equation 2K3PO4 + 3MgCl2 -> Mg3(PO4)2 + 6KCl Answer in units of mL

    asked by Tara
  176. Math input/output

    Input. Output 12. 10 16 32. 62. 35 70. 39 86 What is the rule I am in 5 th grade and have no clue

    asked by Lily
  177. english

    We had to do a design and write something on it. I want mine to be perfect but have a couple of punctuation questions. It is a creation myth of the Iroquois. Question 1. I am saying my picture shows a scene from the "Iroquis Creation Myth". Is this

    asked by B6
  178. geometry

    Determine the measure of angle B of triangle ABC given the following information A= 42 deg c = 12 C = 96 deg

    asked by joe
  179. science

    mass is 64.0 and volume is 16.0 what is the density?

    asked by kenzie
  180. English

    You look down. You look blue. You look depressed. You look melancholy. You look gloomy. (Are they all the same?)

    asked by rfvv
  181. physics

    Ann, a 59.2 kg person throws a 0.0435 kg snowball forward with a ground speed of 39.5 m/s. Billy, with a mass of 63.5 kg, catches the snowball. Both people are on skates. Ann is initially moving forward with a speed of 2.22 m/s, and Billy is initially at

    asked by Anonymous
  182. calculus

    If f and g are two functions for which f' = g and g' = f for all x, then prove that f^2 - g^2 must be a constant.

    asked by asdasd
  183. linear programming-maths

    PLEASE HELP!!!!!!! machines A &B. Model A machines each cost $200 to make at a profit of $25 each. Model B cost $3oo to make at a $40 profit. Total number of machines do not exceed 2500 a month. Company has no more $600,000 per month for manufacturing

    asked by garnel
  184. Chemistry Help Please!!

    What effect would a sweaty person have on the pool chemistry? Would the reaction tend to be forced to the right or to the left? Any help is greatly appreciated!

    asked by Corneil
  185. Social Studies

    Hi, I am doing a project and I don't know what this means: Columbia's Human Development Index is 0.710. I don't know if that means how many years or what. Thanks for answers!

    asked by Unknown
  186. math

    Courtney wanted to share raisins with Norman and Mark. She counted 36 raisins in her box. She said "If we all have the same number of raisins, there are 98 raisins in all." What is wrong with Courtney's statement?

    asked by Jane
  187. Chemistry

    I titrated 0.25g of soda ash mixed with 25mL of deionized water and it took 43.7mL of hydrochloric acid to complete the titration. I am trying to figure out how to find the moles of sodium carbonate in the soda ash and then the percent of sodium carbonate

    asked by Zach
  188. Physics

    A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 44.9 in 30.4 s. Also, a given maximum travels 436 cm along the rope in 9.4 s. What is the wavelength? Answer in units of cm

    asked by Aj
  189. Physics

    A harmonic wave in a wire has amplitude A = 7.6 mm, wavelength λ = 0.679 m and frequency f = 543 Hz. What is the propagation speed of the wave? Answer in units of m/s. The wire has linear mass density of 5.04 g/m. Determine the wire’s tension. Answer in

    asked by Aj
  190. Physics

    An experiment requires sound intensity 0.942 W/m2 at the distance of 2.7 m in any direction from a speaker. What total sound power is required? Answer in units of W.

    asked by Aj
  191. retail pharmacy assistant

    being a member of the health team allows the pharmacy assistanr to? (a)be a link between the doctor,the customer and the pharmacist (b)recommend and dispense prescription drugs (c)refer customers to a physician (d)work without the supervision of a

    asked by susue
  192. Chemistry

    I am wondering about a conceptual question: In an acid/base reaction is there a way to know for sure when an H2O is going to stay with the larger molecule or break off and form water? here are my two examples: R=cyclohexane R-C=-(triple bonded to)CH + KOH

    asked by UCI STUDENT
  193. math

    how long to the nearest year will it take an investment in germany to double its value if the interest is compunded every six months

    asked by zac
  194. math

    4(3) exponent is 2

    asked by Anonymous
  195. Chemistry problem

    The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules.

    asked by Tymee
  196. math

    38-a/11=34

    asked by jakobie
  197. Science

    What are some websites that gives facts about Weed Killer? How do I start an investigation report about this subject? Please help ... anyone?

    asked by Losa
  198. college statistic

    there are 10 candidates to fill 3 spots. how many teams can be formed

    asked by Anonymous
  199. algebra

    Nurse erika needs to prepare 12 liters of a 10% saline solution. The stockroom only has 7 % and 15% saline solutions. How much of each solution should erika mix together to get 12 litres of a 10% saline solution

    asked by sh
  200. Geography!!!!!!!!!!!!!!!!!!!!!!!!

    1) What is the difference between folding and faulting? 2) What is the difference between intrusive vulcanicity and extrusive vulcanicity?

    asked by Nicole
  201. Psy 230

    The text for this class is strange to read and about clear as mud. The question that I am needing help with is this one: Rotter's social-learning theory state that over time, a behavior and a reinforcer (a consequence) become so closely associated that a

    asked by Marie
  202. Physics

    A ball of moist clay falls 10.4 m to the ground. It is in contact with the ground for 20.5 ms before stopping. (a) What is the average acceleration of the clay during the time it is in contact with the ground? (Treat the ball as a particle.) m/s2 (b) Is

    asked by Allie
  203. history please help

    Native-born Americans, especially those of small towns and rural areas, rallied in the 1920s to protect American values. What did they see as threatening those values? How did they seek to protect them? Do any Americans today see similar threats, and if

    asked by janixa
  204. math help urgent

    From the graph find the maximum δ>0 which is such that if 0

    asked by someguy
  205. chemistry

    how do the names of covalent compounds differ from the names of ionic compounds?

    asked by Boo Boo
  206. chemistry

    How is this equation balanced Al2(OH)3 S3 (s) + 3H2O (l) --->

    asked by What?
  207. Algebra

    (3X+1)/(3)-(3/2)=(1-X)/(4) I am having trouble simplifying the fractions because everytime I do it I come up with a different answer at the end.

    asked by Linda
  208. math

    in a triangle /one side is x/one side is x+1/another side is 20/if it is true and what is value of x

    asked by lewisville
  209. Math

    How would you derive n(E)= E^2/((e^E/T) - 1) a) Evaluate dn/dE at fixed T. Leave answer in symbolic forms of E and T. b) dn/dT at fixed E.

    asked by Avery
  210. geography

    1. What is the name of the third largest ocean in the world? The Indian Ocean 2. What is the capital of the People's Democratic Republic of Yemen? Aden 3. What is the equator? The imaginary line that stretches around the Earth separating the Northern and

    asked by Reed
  211. english

    what are the two formal fallacies? My answer- fallacy of denying the antecedent and fallacy of affirming the consequent. I don't know if this is correct.

    asked by m
  212. geography

    Does anyone know wher ican find info. about Hammarabi's code.

    asked by aclynn
  213. Physics

    Janetjumpsoffahighdivingplatformwith ahorizontalvelocityof2.96m/sandlandsin thewater2.8slater. Howhighistheplatform ?Theacceleration ofgravityis9.8m/s2.

    asked by Mich
  214. Criminal Justice

    How does the structure of the government relate to the criminal justice system?

    asked by Charles
  215. geography

    Can you check my answers please? 1. How does the continent you live on rank in land area when compared to all other continents? North America has the third largest land area of all the continents. 2. Port-au-Prince is the capital of what Caribbean Sea

    asked by Reed
  216. maths

    the floodlight is 6.1m tall. Jonny's height is unknown,though his shadow is 2m long when he stands 3m from the base of a floodlight. What is the height of jonny?

    asked by Max
  217. American Government

    Bureaucracy-They say red tape is partly a consequence of “bigness” but more typically a result of legal and political requirements. Is this a sufficient explanation? Is there more red tape in government than these two factors can explain?

    asked by Anonymous
  218. Chemistry

    someone help pls!! percentage of ethanol in the "blood" sample on a v/v basis is 0.0143% v/v. is the "blood" sample analysed over the limit for driving? (legal limit is 80mg alcohol per 100mL blood. assume the density of ethanol is 0.785g/mL and the

    asked by Becky
  219. Chemistry

    What mass of LiSO4 (110 g/mol) is required to prepare 30mL of 0.20M LiSO4?

    asked by Yazmin
  220. chemistry

    how to calculate activation energy and frequency factor

    asked by Aisha
  221. math

    The length and the breadth of a rectangle are rounded off to the nearest centimetre.The perimeter of the rectangle is 26cm.What are the possible values of its length and breadth.

    asked by aarthi
  222. Physics

    you throw a ball upwards in the air at a velocity of 80m/s how fast will it be moving at 3 sec?

    asked by Ahmad Bradshaw
  223. stu

    An individual with utility function U(X) = X2 bought Lottery A and Lottery B. Lottery A gives a payoff of $2 or $4 equally likely. Lottery B gives a payoff of $4 or $8 equally likely. a) Calculate the expected utility of Lottery A and Lottery B together.

    asked by nguyen hong minh
  224. Maths

    For y= 2x squared + x - 1 the x-intercepts and the turning point respectively are?

    asked by Charlie
  225. Math

    I have a drawing with fractions. What does this mean a scale 1:2. I have to draw that picture a scale 1:2. What does that mean?" thank you

    asked by chan
  226. history

    what are some of the natural resources found at the grand canyon?

    asked by destiny
  227. math

    is the set of positive integers the same as the set of nonnegative integers? Explain

    asked by Taylor
  228. math

    When is the absolute value of a difference equal to the difference equal to the difference of the absolute values? Explain

    asked by Taylor
  229. Physics

    A 60 kg box is on a 80 m long plane which is inclined at 30 degrees, the coefficient of friction is 0.25. How much force is needed to move it up a plane A.) at a constant velocity and B.) with an acceleration of 2 m/s^2

    asked by C0C0
  230. chemistry

    explain why a precipitate forms when silver nitrate solution is added to sodium chloride solution?

    asked by vicky
  231. psyc101

    Hormones that regulate the development and functioning of reproductive organs are called?

    asked by Anonymous
  232. math

    is the set of positive intgers the same as the set of nonegative integers? Explain?

    asked by Taylor
  233. math

    Explain? which is more accurate: measuring to the nearest millimeter or to the nearest eighth of an inch

    asked by Maya
  234. stats

    if x is a normally distributed random variable with amean of 8.00 if the proability for x is less than 9.54 is 0.67, then find the standard deviation of x

    asked by tamara
  235. algerbia

    a tugboat goes 120 miles up streem in 15 hours it takes 10 hours to come back the speed of the tugboat is and the speed of the curent is

    asked by Anonymous
  236. government

    Why would bureaucrats become more concerned that elaborate procedures are followed, as opposed to achieving certain substantive outcomes? What political relationships cause this result?

    asked by Dora
  237. alerbra

    1/3x=1/2

    asked by danyle
  238. algebra

    1. x-9/5=1/5 2. 1/2+x=2/3 3. 1/2+x=2/3 4. x/4=3/8 5. 3/2+x=2

    asked by Camilia
  239. math

    My numerator is 10 less than my denominator. I am equal to 3/5

    asked by tina
  240. math

    In lowest terms, my numerator is 4 less than my denominator. Write 5 fractions 1 could be.

    asked by tina
  241. trigonometry

    Determine the area of triangle ABC, given the following information c = 40m b = 20m A = 48deg

    asked by joe
  242. Chemistry problem

    The volume of an ideal gas contracts from 5.68 L to 2.35 L as the result of a constant applied pressure of 1.48 atm. The system releases 733 J of heat during this process. Calculate deltaU (internal energy) for this process. Express answer in Joules.

    asked by Tymee
  243. math

    5/2+x=6

    asked by Lordellro
  244. goverment

    in the recent presidential election, romney's comment "binders full of woman" really offended people. why were people so offended, i don't really understand, did he mean something bad?

    asked by jake
  245. Math

    determine the value of k for which the !@#$%^&tion f(x)=4x^2-3x+2kx+1 has 2 zeros.

    asked by Neha
  246. math

    I need help showing work. I did it in my head and now missing a huge part of how I got it. 110=2/3*8 my answer is 165 but they ask me to showwork, which I am always getting docked because as I read the question I do it in my head. Ugh! Please help!

    asked by lucy
  247. business

    Brown Inc. has just paid its monthly bill,what balance sheet and income statement accounts will this transaction affect?

    asked by GERRY
  248. math

    4(3) exponent is 2

    asked by Anonymous
  249. geography

    Can you check my answers please? 1. Which continents do not cross the equator? North America, Europe, Australia, and Antarctica 2. What two parallels form the boundaries of the "tropics" or low latitudes? The 23 degree 50 N line and the 23 degree 50 S line

    asked by Reed
  250. English

    In "The people could fly" what opposing forces struggle against eachother. And what is the main conflict in the story?

    asked by Anna
  251. physics

    I am studying for a physics exam and this is the pretest. There are some that I don't understand. If someone could help me get to the answer (show all the work so I can look it all over) that would be AMAZING! Thank you very much! 2. A roller coaster,

    asked by Karrine
  252. physics

    In getting ready to slam-dunk the ball, a basketball player starts from rest and sprints to a speed of 5.17 m/s in 1.29 s. Assuming that the player accelerates uniformly, determine the distance he runs.

    asked by Anonymous
  253. physics

    " displacement is a change in position. what is the equation for displacement." i forgot the equation please help

    asked by Anonymous
  254. Math

    How many different numbers can be formed fro the set of seven numbers (1,2,3,4,5,6,7) if a) repitition is allowed b) repitition is not allowed c) repitition is allowed and the tird digit must be different from the second digit?

    asked by Carol
  255. Math

    How many five digit numbers can be formed from the set of nine numbers (0,1,2,3,4,5,6,7,8) if no number is repeated and no number starts with zero and a) there are no other restrictins b) the result must be an odd number

    asked by Carol
  256. Gen Chem

    For my chem class I have 3 elements and have to find what they are used for today or an interesting fact. I have looked but I can't really fin anything. My elements are: Cobalt,Thulium, and Roentgenium I found that cobalt is used in money (nickels,

    asked by Andrea
  257. Math

    A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per

    asked by Jamese
  258. Math

    A international phone call cost a fixed amount for the first minute and a certain rate per each additional minute. If a 7 minute phone call cost $10 and a $4 call cost &6.40, find the fixed charge and the rate per each additional minute.

    asked by Jamese
  259. SCIENCE

    HOW DOES KINETIC ENERGY DEPEND ON MASS?

    asked by jiskha
  260. Algebra 2

    Solve: x^3-3x^2=0 Please explain, here's what I did. Am I right? I didn't know what to do next. x^2(x-3)=0

    asked by LaRazia
  261. Cemistry

    Will a fluoride concentration of 1.0 mg/L be soluble in a water containing 200 mg/L of calcium?

    asked by John
  262. business statics

    a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

    asked by kenneth
  263. Algebra 2

    Determine the x-intercepts of the f(x)= (x-2)(x+3)(x-7) Please explain, I don't know if I did it right. I got 2, -3, 7

    asked by LaRazia
  264. writing

    I have to make a comic strip using the words these, through, suppose, stood, piece, leave, mouth, broke, count and feather I have no clue how to do this can anyone help me? Thanks

    asked by Patty
  265. 5th grade math

    cam had 35 more coins than kip. She gave he share to kip who divided all the coins equally into 3 stacks. If each stack has 45 coins,how many coins did cam have at first? My answer is 85, am i right if i am right please show me how you got the answer?

    asked by lidia
  266. French 2

    Ma Jupe est trop longue (pantalon)

    asked by Alisha
  267. Logarithms

    Solve Log base 10^x=4

    asked by Sam
  268. mechanics

    using a come-along I am pulling 220 lbs. up a stairway(45*) angle. How much weight am I actually pulling?

    asked by Gaston
  269. Chemistry

    Write the chemical equation for the standard molar enthalpy of formation of periodic acid, H5IO6.

    asked by Sam
  270. Psy 230

    The text for this class is strange to read and about clear as mud. The question that I am needing help with is this one: Rotter's social-learning theory state that over time, a behavior and a reinforcer (a consequence) become so closely associated that a

    asked by Marie
  271. math

    In a card game using a normal deck of playing cards containing 52 cards, 13 cards are dealt to a player. a) how many different combinations of cards are possible in that players hands? b) how many different hands are possible that consist ofnine spades and

    asked by Carol
  272. history

    Native-born Americans, especially those of small towns and rural areas, rallied in the 1920s to protect American values. What did they see as threatening those values? How did they seek to protect them? Do any Americans today see similar threats, and if

    asked by janixa
  273. Marketing

    Identify the product concepts you used in determining the packaging. How does the packaging affect the effectiveness of the packaging? Are there any physical, social, or economic restraints that could limit or enhance your packaging? Market Research

    asked by Amber
  274. math

    What is the distance between the rectangular coordinates (1,16) and (10,4)?

    asked by Jake
  275. chemistry

    How is this equation balanced Al2(OH3 S3 (s) +3H2O (l)--->

    asked by What?
  276. algebra

    How do you solve: 3x plus 2y = $7.25

    asked by Linda
  277. math

    In an election, Kate lost to Lee by 32 votes. Because the vote was so close, they decided to have a re-vote. All of Kate's supporters voted fro her again, but some of Lee's supporters switched their votes to vote for Kate. Kate won by the revote by 6

    asked by Jake