Questions Asked on
February 8, 2012

  1. Chemistry

    Write and balance equation for the complete combustion of decane, C10H22

    asked by Tiffany
  2. Chemistry

    Ranking equilibrium constants from largest to smallest according to an image?Ethene (C2H4) can be halogenated by the following reaction: C2H4 (g) + X2 (g) ->

    asked by L.Bianchessi
  3. Physics (PROJECTILE MOTION)

    Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a

    asked by Beck
  4. math

    Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability that she draws a Heart and then a Spade?

    asked by krissi
  5. chemistry

    how many orbitals are in the 6p sublevel? I wrote 6 but I want to make sure I am doing this right.

    asked by larry
  6. Geometry

    the angle of depression from D to F measures 40 degrees. If EF= 14 yd, find DE. round answer to nearest 10th

    asked by kelsey
  7. Physics

    A dog searching for a bone walks 3.50 m south, then 8.20 m north of east, and finally 15.0 m west. (a) What is the magnitude of the dog's total displacement? (b) What is the direction of the dog's total displacement where directly east is taken as zero

    asked by Tasha
  8. Civics

    How many states were in the Union in 1888?

    asked by Dayana
  9. Algebra

    Rachel and Lindsay are in third place in a race. Due to a time penalty, they must start the next leg 90 minutes after the second place team. If rachel and lindsay travel at an average rate of 16.8 mph and the second place team travels at an average rate of

    asked by Jessica
  10. chemistry

    Determine the theoretical and percent yield of hydrogen gas is 36 g of water undergoes electrolysis to produce hydrogen and oxygen and 3.8 g of hydrogen is collected.

    asked by Elle
  11. Chemistry

    A chemist trying to synthesize a particular compound attempts two different synthesis reactions. The equilibrium constants for the two reactions are 23.3 and 2.2 X 10^4 at room temp. However, after 15minutes the chemist finds that the reaction with the

    asked by L.Bianchessi
  12. Calculus

    Determine an expression, in simplified form, for the slope of the secant PQ. Given: P(1,3) , Q(1+h, f(1+h)) , where f(x) = 3x^2 PQ=Y2-Y1/X2-X1 I keep getting wrong answer, arghhh.

    asked by Jake
  13. Geometry

    The angle of elevation from L to K measures 39 degrees. If KL = 12, find JL. Round to nearest tenth.

    asked by Harley
  14. English

    We laughed at the colorful ball. Is this sentence structurally ambiguous?

    asked by JoJo
  15. English-Metaphors

    Which of the following excerpts from Frost's poems is NOT a metaphor? A.Magnified apples appear and disappear / Stem end and blossom end B.Spring is the mischief in me C.My apple trees will never get across / And eat the cones under his pines, I tell him.

    asked by Jess
  16. 3 grade math

    1-how are perpendicular lines and intersecting lines alike? how are they different? 2-writing to explain- how can you use a right angle to decide how to name another angle?

    asked by dw
  17. Algebra

    Starting at the same point, Angie and Payton jog in opposite directions. Angie can jog 1.5 miles per hour faster than Payton. After 2.5 hours, they are 20 miles apart. How fast can each person jog?

    asked by Rose
  18. Algebra

    Starting at the same point, Angie and Payton jog in opposite directions. Angie can jog 1.5 miles per hour faster than Payton. After 2.5 hours, they are 20 miles apart. How fast can each person jog?

    asked by Rose
  19. physics!

    An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with

    asked by cha
  20. Chemistry

    The specific heat of a certain type of metal is 0.128 J/(g-c). What is the final temperature if 305 J of heat is added to 86.9 g of this metal initially at 20 degrees C? Tfinal = ___ C

    asked by Eric
  21. algebra

    An airplane encountered a head wind during a flight between Rontown and Sawburgh which took 4 hours and 24 minutes. The return flight took 4 hours. If the distance from Rontown to Sawburgh is 1700 miles, find the airspeed of the plane (the speed of the

    asked by jon
  22. Physics

    A man carries a 10 kg sack of groceries in his arms with a force of 50 N as he walks forward a distance of 10 m. How much work has he done? Is this a trick question?

    asked by Mishaka
  23. Ochem

    Give the products (if any) expected from the treatment of the following compounds with ozone followed by aqueous hydrogen peroxide. Do not include any byproducts. 1) 2-methyl-2-pentene 2) cyclooctene Please help! I'm not sure on where to start with this

    asked by Lucy
  24. chemistry

    Name each of the following ionic compounds or binary molecules. a. SF2---Sulfur difluoride b. MgF2---Magnesium fluoride c. SnCl2----Tin (II) Chloride d. PF5-----Phosphorus Pentafluoride e. NO2-----Nitrogen Dioxide f. SnO2-----Tin (II) Oxide

    asked by krystal
  25. chemistry

    Use the balanced equation below to answer the following questions. 2Al(NO3)3 + 3Na2CO3 Al2(CO3)3(s) + 6NaNO3 - What is the ratio of moles of Al(NO3)3 to moles Na2CO3? (1 point) - If 852.04 g Al(NO3)3 reacted with the 741.93 g Na2CO3, which would be the

    asked by Adrian
  26. chemistry

    Which of the following atom pairs would most likely be connected by a covalent bond? K and F O and Cl Na and O Na and Cl

    asked by krystal
  27. calculus

    a wall 10 feet high is 8 feet from a house. find the length of the shortest ladder that will reach the house when one end rest on the ground outside the wall.

    asked by marg
  28. Medical Coding 2

    Can someone tell me if I did this right? This 32-year-old female was burned by hot grease in her kitchen 1 week ago. She is seen in the hospital based wound clinic for large dressing changes on the both upper extremities following second-degree burns to

    asked by Ilsa
  29. Science/Math/HElP

    Science- A 25N object is 3 meters up. How much potential energy does it have? our teacher said that the formula for finding out potential energy is PE = Mass * Gravity * Height. The gravity on Earth is always 9.8, but my problem is that instead of mass the

    asked by Lila
  30. spanish

    In the following sentences, change the position of the reflexive pronouns so that sentences retain their meaning. Have the correct account punctuation and accentuation. 1. Ellos vienen a despedirse esta noche 2. Daniel se esta afeitando 3. Patricia va a

    asked by Tiffany
  31. english

    Why don’t the narrator and the other man want to hold Edward for ransom? Is their motivation internal or external?

    asked by food:)
  32. geometry

    the volume of a cube is 125 cm3. What is the length of each side?

    asked by desperate
  33. chemistry

    The following data were obtained at 25° C for the reaction [1+2+2] C2H5Br + OH- C2H5OH + Br- Determine the rate law for the reaction from these data. [C2H5Br] [OH-] Rate 0.150 0.200 4.8 x 10-5 0.300 0.200 9.6 x 10-5 0.450 0.200 14.4 x 10-5 0.300 0.600

    asked by ranu
  34. Physics

    A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw. How far from the 450.8 N child should the pivot be placed to ensure rotational equilibrium? Disregard the mass of the seesaw. Answer in units of m part 2 of 2 Suppose a 367 N

    asked by amanda and leah
  35. chemistry

    What is the formula weight of Li2CO3? 73.891 amu b. What is the mass of 1.30 x 10-4 mol of Li2CO3? 9.61E-3 c. How many moles of CO32- ions are present in 102 g of Li2CO3? Dont get how to compute

    asked by krystal
  36. physics

    Two spheres, fastened to “pucks” riding on a frictionless airtrack, are charged with +2 × 10 −8 C, and +6 × 10 −8 C, respectively. Both objects have the same mass. As they repel

    asked by Anonymous
  37. macroeconomics

    Suppose that there are three beachfront parcels of land available for sale in Asilomar and six people who would each like to purchase one parcel. Assume that the parcels are essentially identical and that the minimum selling price of each is $600,000. The

    asked by ann
  38. math

    A rancher has 296 feet of fencing to enclose two adjacent rectangular corrals. What dimensions will produce the largest total area? What is the maximum total area?

    asked by girl
  39. PHYSICS

    If a trapeze artist rotates twice each second while sailing through the air, and contracts to reduce her rotational inertia to one-third, how many rotations per second will result?

    asked by John1234
  40. physics

    The electric field in an xy plane produced by a positively charged particle is 14.2(4.4 + 3.3) N/C at the point (3.1, 3.7) cm and 117 N/C at the point (3.2, 0) cm. What are (in cm) the (a)x and (b)y coordinates of the particle? (c) What is the charge (in

    asked by Raaman
  41. solving algebraic equation

    For college orientation week,Mike sold 200 shirts.sweat shirts were priced at $50.00 each ant t-shirts at $20.00 each Mike receive a total of $6250.00 for the shirts. How many type of shirt dud Mike sell for college orientation week ?please help and show a

    asked by tanya
  42. math

    Explain another way to help you find the product of 8x6 without repeated addition.

    asked by Ray
  43. Math

    Write an inequality. Chondra made a $65 withdrawl from her savings account which now has a balance LESS THAN $500.

    asked by Abby
  44. chem

    which element will have the greater metallic character? Cs or Sr Ge or In Al or K Sr or Rb

    asked by hadley
  45. physics

    A skydiver weighs 166 lb. When the skydiver reaches terminal speed, how much air drag does the skydiver experience?

    asked by a
  46. physics

    a point charge q2 equals negative 2.1 micro C is fixed at the origin of a coordinate system. another point charge q1 equals 4.1 micro C is initially located at point p a distance d1 equals 6.1 centimeters from the origin along the x axis

    asked by john
  47. chemistry

    Use the following steps to balance the redox reaction below: Mg + Au+ Mg2+ + Au -Write the oxidation and reduction half-reactions. Make sure each half-reaction is balanced for number of atoms and charge. -Multiply each half-reaction by the correct number,

    asked by Adrian
  48. Mathematics

    The mass of Aravin to the mass of Bob is in the ratio 17 : 13. If the difference in their masses is 12 kg, find their combined mass.

    asked by Joe
  49. Physics

    A 450.8 N child and a 101.0 N child sit on either end of a 2.2 m long seesaw. How far from the 450.8 N child should the pivot be placed to ensure rotational equilibrium? Disregard the mass of the seesaw. Answer in units of m part 2 of 2 Suppose a 367 N

    asked by amanda and leah
  50. physics

    A student argues that as a satellite orbits the earth in a circular path, it moves with a constant velocity and therefore has no acceleration. The professor claims that the student is wrong since the satellite must have a centripetal acceleration as it

    asked by julia
  51. Physics

    Henrietta is going off to her physics class, jogging down the sidewalk at a speed of 2.05 m/s. Her husband Bruce suddenly realizes that she left in such a hurry that she forgot her lunch of bagels, so he runs to the window of their apartment, which is a

    asked by Bob
  52. PHYSICS

    A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of which weighs 88.0 kN. The train reaches a speed of 13.0 m/s within 6.50 min of starting out. Assuming the engine pulls with a

    asked by Anonymous
  53. physics

    Температура Т абсолютно черного тела при нагревании изменилась от 1000 до 3000 К. Во склоько раз увеличилась при этом его энергетическая

    asked by lisa reid
  54. physics

    Ball 2, with a mass of 30kg, is moving to the left at 10m/s. With what velocity should Ball 1, with a mass of 10kg, move to the right and collide with Ball 2, so that Ball 1 rebounds with a velocity of 30m/s, and Ball 2 with a velocity of 10 m/s, after the

    asked by Toni
  55. physics

    A stone is catapulted at time t = 0, with an initial velocity of magnitude 20.2 m/s and at an angle of 39.1° above the horizontal. What are the magnitudes of the (a) horizontal and (b) vertical components of its displacement from the catapult site at t =

    asked by Rachel M
  56. physics

    A 0.101 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.68 kg object hangs vertically from the 6.61 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational equilibrium. If the

    asked by Lor
  57. Anology

    Flower: Rose:: tree:??? Must start with scr, spr, str, thr

    asked by Lynn
  58. English

    Writeacher, I urgently need you to check these sentences. 1) I'm pleased to read that English is and will remain the lingua franca of the project. For this reason, we'd like to vary a few sentences in your application form. In particular, this sentence: 2)

    asked by Henry2
  59. chemistry

    Explain in one or two sentences how new evidence affects scientific models

    asked by Adrian
  60. physics

    Determine the absolute pressure at the bottom of a lake that is 13.3 m deep. The acceleration of gravity is 9.8 m/s 2 and atmospheric pressure is 1.01 × 10 5 Pa . Answer in units of Pa

    asked by Anonymous
  61. Physics

    On level ground, you stand 21.0m from the base of a tree and determine that the treetop is at 46 degrees above the horizontal, as measured from ground level. How tall is the tree?

    asked by Tig
  62. chem

    How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C? Show all work used to solve this problem.

    asked by alex
  63. Math

    The surface area of a golf ball is 8.92 in ^2. The surface area of a softball is 53.78. Find the ratio of the volumes of a golf ball to a softball. Surface Area = 4π r^2 and Volume = 4/3π r^3 I don't understand this problem, could someone please help me?

    asked by Brianna
  64. Chemistry

    Calculate the pH of the following buffer solutions: a) a solution made by dissolving 2.733g KH2PO4 and 4.508g K2HPO4 in water to give 250 ml of solution. b)a solution made by mixing 35.00 ml 0.24 M C6H5NH2 with 15.00 ml 0.19 M C6H5NH3CL. The base

    asked by Karie
  65. Literature Poem Beowulf

    Compare and contrast the roles of Hrothgar and Wealtheow. In what ways are they similar? In what ways are the different? Why are these similarities and differences important?

    asked by Phyllis
  66. chemistry

    How many electrons are in the highest occupied energy level of these atoms? Na(sodium) Al (aluminum) F(fluorine) C(carbon)

    asked by james
  67. trig

    Solve the equation 2 tan C - 3 = 3 tan C-4 algebraically for all values of C in the interval 0 degrees

    asked by Anonymous
  68. physics

    if a soccer player kicks a ball at an angle of 36 degrees and it lands 31.4 meters away. what is the initial velocity of the ball

    asked by Anonymous
  69. physics

    Мощность монохроматического света (λ=560нм), падающего нормально на поверность кружка диаметром d=5мм, равна 8,33мВт. Найти световое давление Р,

    asked by lisa reid
  70. math

    What is the capacity of a bathtub 200 L or 34,000 mL?

    asked by tj
  71. Pre_algebra

    CHondra made a $65 withdrawl from her savings account which now has a balance less than $500.Write an inequality

    asked by Cassie
  72. trigonometry

    The second hand of a clock is 3 cm long. How far does the tip travel in 2 min. 15 seconds?

    asked by edward benitez
  73. physics

    The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.0 m/s, at

    asked by Natasha
  74. solving algebraic equation

    a movie theater charges $9 for an adults ticket and $5.00 for a child ticket. on a recent night the sale of child's tickets was two times the sale of an adults tickets. if the total amount collected for ticket sales was not more than $3800 what is the

    asked by tanya
  75. algebra

    As part of her training routine for basketball, Shaylle alternates between cycling and running for exercise. She cycles at a rate of 14 mph and runs at a rate of 8 mph. If she spends 6.5 hours exercising and covers a total of 85 miles, how much time did

    asked by Sam
  76. English

    Writeacher, I urgently need to email the our partner the following things, to make sure he will make the changes. 1) As there are several pages to check , I won't be able to revise everything by this evening. 2) I made just a few changes in the linguistic

    asked by Henry2
  77. budgeting

    You are estimating the contractor’s material handling cost as a factor of the material cost. After examining 6 previous contracts you have the percentage (factor) for each contract: 2.5% 6.2% 3.2% 12.9% 7.0% 15.3% All of the following would be reasonable

    asked by ron
  78. physics

    A 43 N toy is placed in a light swing that is attached to ropes 1.7 m long. (a) Find the gravitational potential energy associated with the toy relative to its lowest position when the ropes are horizontal. J (b) Find the gravitational potential energy

    asked by aliza
  79. mvcc

    determine the molatiry of each of the ions present in the following aqueous solutions[assume 100% ionization] 2.25 M FeCl3

    asked by rise
  80. Physics

    A nurse counts 76 heartbeats in one minute. What are the period and frequency of the heart's oscillations?

    asked by Amanda
  81. Chemistry

    How many grams of NH4Cl do I have to add to 500 mL of 0.100 M NH4OH to have a pH of 9.40? Kb= 1.8 x 10^-5 [OH-]= 2.51 x^-5 M

    asked by Sandra T.
  82. chemistry

    Predict the number of covalent bonds formed by each nonmetal atom. a. N-----3 bonds b. Cl-----1 bond c. S-----2 bonds

    asked by krystal
  83. math

    A shipment of boxes weighs 40 pounds. There are 8 boxes and each weighs the same number of pounds. How much does each box weigh?

    asked by Seth
  84. french

    what french word does this make when its unscrambled gnarer al snoaim

    asked by tom tom
  85. sociology

    Imagine a society in which there are no social classes-no differences in people's wealth, income, and life chances. What would such a society be like?

    asked by nessi
  86. PHYSICS

    A stopper tied to the end of a string is swung in a horizontal circle. If the mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 s, a. What is the angular velocity of the stopper?

    asked by LC
  87. chemistry

    what would be the order from slowest to fastest? Kr, Ar, Ne, N

    asked by Anonymous
  88. Chemistry

    How many grams of Ag2S can be generated from a mixture of 2.48 g Na2S and 3.41 g of AgNO3 given the following unbalanced reaction: Na2S(aq) + AgNO3(aq) → Ag2S(aq) + NaNO3(aq)

    asked by Jacob
  89. business math

    An asset is purchased for $50,000. It has an estimated useful life of 12 years and a salvage value of $5,00

    asked by T.
  90. Physics

    An airplane with a speed of 76.8 m/s is climbing upward at an angle of 48° with respect to the horizontal. When the plane's altitude is 560 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly

    asked by Natasha
  91. algebra

    Suppose that you can spend $72 for compact discs and videos. Discs cost $18 and videos cost $9 each. write a system of inequalities that shows the various number of discs and videos that you can buy.

    asked by lisa
  92. Physics

    A train engine pulls out of a station along a straight horizontal track with five identical freight cars behind it, each of which weighs 88.0 kN. The train reaches a speed of 13.0 m/s within 6.50 min of starting out. Assuming the engine pulls with a

    asked by Anonymous
  93. business math

    Estimate the cost of ending inventory for August for Roman's Jewelry Store using the retail method on the following data: Cost Retail Beginning inventory for August $180,000 $288,000 Purchases during August $70,000 $112,000 Net sales during August $80,000

    asked by T.
  94. Science

    A change of the DNA in an organism that results in a new trait is known as? Mutation A group of dog offspring is known as Litter

    asked by Colton Constancio
  95. Physics

    You drive due east at 81km/h for 54mins . Then you follow a road going 60 degrees south of east, going 91km/h for another 39mins . Find the x and y components of the displacement

    asked by Tiggie
  96. physics

    A circular racetrack with 250m radius lies in the x-y plane and is centered at the origin. A car rounds the track counterclockwise starting at the point (250m , 0). Find the total distance traveled after one-quarter lap. Find the total displacement after

    asked by Tig
  97. math

    A rectangular lot has an area of 216.795 square meters and a width of 9.7 meters. Nick calculated the length of the lot to be 2.235 meters. Without solving, is Nick's calculation correct?

    asked by john
  98. Calculus

    Determine the equation of the line described by the given information. a) slope -2/3, passing through (0,6) b) passing through points (2,7) and (6,11) c) parallel to y=4x-6 passing through point (2,6)

    asked by Jake
  99. Physics

    Your friend has decided to make some money during the town tombola by inventing a game of skill that can be installed. In the dame as she has developed it so far, the customer shoots a rifle at a 5.00 cm diameter target falling straight down. Anyone who

    asked by qwertzuiop
  100. Gloabl History

    What were the cause of the Korean War?

    asked by Alisha
  101. 11 grade english

    the oicnic was postponed because the rain ruined the grounds is the sentence with an adverb clause punctuated correctly

    asked by holly
  102. trig

    If the value of sin theta =12/13 then find the value of 1-cos theta/1+cos theta.

    asked by Animesh
  103. Chemistry

    Calculate the heat generated by the complete combustion of 15.0g of ethane.

    asked by Mrs MM
  104. trig

    Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line y=x+4 on ,find the measure of theta in degrees.

    asked by Nora
  105. chem

    determine the molarity of each of the ions present in the following aqueous salt solutions 1.20M MgSO4

    asked by rise
  106. poetry part 1

    The line "I wandered lonely as a cloud" is an example of what?

    asked by Anonymous
  107. physics

    Suppose you mix 75 g of water at 15 °C with 25 g of water at 75 °C. Predict the final temperature

    asked by Anonymous
  108. chemistry

    In a coal-fired electric generating plant, the coal is pulverized before being mixed with air in the incinerator. Use the collision theory to explain why the coal is pulverized.

    asked by John
  109. Geometry

    What is the measures of the angles of a triangle that are in the extended ratio 2:2:8. What is the measure of the smallest angle?

    asked by Sara
  110. math

    Yao Ming is 7 ft. & 6 inches in tall. The free throw line is 15 ft. from a point below the basketball ring. The height of the goals is 10 ft. If Yao Ming will shoot a free throw, what is the angle of depression from the basket ring to the top of the head

    asked by Rosalie
  111. Physics

    A runner completes an 850m race with two laps of the 425m track in the x-y plane centered at the origin in 1 mins, 50.6s . A runner rounds the track counterclockwise starting at the point (67.6 , 0). Find the runner's average velocity for the race. Find

    asked by Tig
  112. Social Studies

    What is Communism ? What is Democracy ? What is the difference ?

    asked by Grade 9
  113. College Physics

    A parallel plate capacitor is made of two 3.5 cm x 3.5 cm square plates that are separated by 1.6 x10 -5 m. The plates are charged to 4.8 nC each (positive and negative). An electron is released from rest at the surface of the negative plate and

    asked by Collin
  114. Math

    Billy is standing 80 feet from the base of a building. The angle of elevation to the top of the building is 35 degrees. If the distance from Billy's eyes to the ground is five feet, how tall is the building?

    asked by Nikki
  115. Calculus

    The rate at which iPads are sold is R(t)=1000000x2.8^t where the units of R(t) are millions/year and represents time in years such that the year 2010 (Jan 1 2010 through Dec 31 2010) corresponds to t=0. How many iPads will be sold in the three year period

    asked by Jack
  116. business english

    Q: 1. Good writers are likely to: stick to one basic strategy that works for them. adhere strictly to a set of established rules for writing. break big jobs into small chunks.(*) edit the document during the process of writing the first draft. 2. Which of

    asked by sososola2012
  117. college physics

    An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with

    asked by cha
  118. business

    i am confuse between revising or editing

    asked by Anonymous 2
  119. physics

    A 0.105 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.77 kg object hangs vertically from the 6.33 cm mark. A second mass is attached at another mark to keep it horizontal and in rotational and translational

    asked by Amanda and leah
  120. physics

    A(n) 1.62 kg sphere makes a perfectly inelastic collision with a second sphere that is initially at rest. The composite system moveswith a speed equal to one-third the originalspeed of the 1.62 kg sphere. What is the mass of the second sphere

    asked by Nathaniel
  121. math

    Note: Figure not drawn to scale If U = 4 units, V = 5 units, W = 7 units, X = 6 units, Y = 7 units, and Z = 4 units, what is the area of the object? Select answer A 49 square units Select answer B 43 square units Select answer C 71 square units Select

    asked by Anonymous
  122. physics

    what is the value of weight of a body of 10kg at the pole and equator ?

    asked by Anonymous
  123. physics

    A cylinder of volume 2.3 L contains CO2 gas at 2.2 atm. A piston is pushed into the cylinder to decrease the volume to 1.2 L with no temperature change. What is the new pressure of the gas in atm? im completely stuck on how to start this.

    asked by mariah
  124. physics

    Two blocks with masses m1 = 20.7 kg and m2 = 55.5 kg, shown in the figure, are free to move. The coefficent of static friction between the blocks is 0.74 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against

    asked by Katie
  125. Geometry

    Bronson and a friend are going to carry a canoe across a flat field, describe the shortest path they can use.

    asked by Ashley
  126. US Government

    What is a modern day example of separation of powers at work? All I can find is the US government but I need an example of it being used not it being describe. Please help.

    asked by Jason
  127. trigonomety

    Change the following to decimal degrees. (Round your answer to the nearest hundredth of a degree.) 43° 20' ??

    asked by Anonymous
  128. chemistry

    A graduated cylinder was used to transfer 201 mL of a 0.478 M solution of KCl to a beaker which was subsequently diluted to a final volume of 1.092 L. What is the final molarity of the KCl in the beaker after the solution is thoroughly mixed?

    asked by Alex
  129. American Government

    Since the 1970s, the Supreme Court has interpreted the Equal Protection Clause as prohibiting the government from making "_____" distinctions between people. I honestly don't get this...Please help

    asked by Roseanna
  130. algebra

    While preparing for a kayak race, Marta practiced on a local river. On one trip she traveled 3.5 miles upstream in 50 minutes with the return trip taking 22.9 minutes. What was her speed in still water and the sped of the river current?

    asked by jon
  131. Algrbra I

    Help!! I do not understand how to work these types of problems. My instructor gives us really long formulas and charts for these and i don't get it!! Im good at algebra, I have an A in the class, so this is irritating to me! The radiator in a certain make

    asked by Nicole
  132. Physics

    How far above the surface of the Earth does an object have to be in order for it to have a weight which is 0.53 times the same weight as it would have on the surface of the Moon? (Ignore any effects from the Earth's gravity for the object on the Moon's

    asked by Lucy
  133. web design

    Why does the cost of operating your website go up dramatically if customers do not have automated shipping tracking tools at their disposal? a)because customer will call and check to see if items are in stock, b) because customer will try to modify their

    asked by vedrana
  134. English

    Here is my last paragraph for you to check. I left out the most important part, which we need to vary, bearing in mind that English must be the lingua franca. Do you think we should include "helping the pupils overcome their inhibitions" among the

    asked by Henry2
  135. chemistry

    how much energy is required to convert 1.00 kg of iron III to atomic iron? Equation: Fe2O3 + 3CO ---> 2 Fe +3 CO2 delta H is 131kJ

    asked by David
  136. english

    need an acrostic poem w e d n e s d a y

    asked by mumtaz
  137. mathj

    Baker Company purchases a new delivery truck for $20,000. The truck is expected to have a useful life of 90,000 miles before replacement, and a salvage value of $2,000. In its first year the truck was driven 22,000 miles, and a further 19,000 miles in year

    asked by tj
  138. Chemistry

    Bill and Bob have been testing a new aluminised PET (Polyethylene Terephthalate) film and they now use the material to make helium filled balloons. Bill’s balloon is less inflated than Bob’s, and the latter jokes about it. However, Bill insists he has

    asked by MM
  139. physics

    A car accelerates from rest at a steady rate of 1 ms-2. Calculate: (a) the time taken to reach 15 ms-1 (b) the distance travelled during this time (c) the velocity of the car when it was 100 m from the start point

    asked by LK
  140. Math

    Nathan can purchase 5 lemons for $2. Which is one way to find the number of lemons Nathan can buy with $20? A.add 6 and 2 and then multiply the sum by 20 B.add 2 and 20 and then multiply the sum by 6 C.divide 6 by 2 and then add the quotient to 20 D.divide

    asked by Andrew
  141. english

    In “Crossing the Bar,” Paraphrase Explain, what the speaker desires

    asked by markiysha
  142. math

    a map of the moon has a scale of 1cm:25km. On this map the diameter of the Copernicus crater is about 3.7 cm. To the nearest kilometer, what is the actual diameter of the crater?

    asked by sabrina
  143. Chemistry

    What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C

    asked by Olga
  144. Calculus

    Find the relative extrema of f(x)= x/ln(x)

    asked by Jack
  145. Algebra

    Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx+b. (2,4) 3x+y=6 The equation of line is y=, and explain how you have gotten the answer.

    asked by Kristi
  146. physics

    Two equals negatives charges (-1.75x10^(-19) Coulb) are separated by an insulator at a distance of 0.230 mm. Find the electrostatic force between these electrons?

    asked by Anonymous
  147. Geometry

    Bronson and a friend are going to carry a canoe across a flat field, describe the shortest path they can use.

    asked by Austin
  148. business math

    A delivery truck is purchased for $38,000, has a salvage value of $6,000 and is depreciated using MACRS. What is the first-year depreciation expense? (Points: 5) $4,578.80 $5,430.20 $7,600.00 $15,200.00

    asked by T.
  149. math

    write 3 different ones number you could add to 15 where you need to regroup to find the sum

    asked by g
  150. English

    Yes, you are right. It's 2 pm here right now. Writeacher, I just wanted to know your personal opinion about this sentence: "By executing the whole cycle of project management in English and the two other partner languages, the pupils will have a fairly

    asked by Henry2
  151. Algebra 2

    (h o h)(x) if h(x)=x^2 +4

    asked by Varun
  152. Chemistry

    When a 8.00 g of KBr is dissolved in water in a calorimeter that has a total heat capacity of 4.6 kJ·K^-1 the temperature decrases by 0.290 K. Calculate the molar heat of solution of KBr in kJ/mol. DeltaH soln = ?

    asked by Eric
  153. College Physics

    An electric dipole consists of 2.0 g spheres charged to 5.0 nC (positive and negative) at the ends of a 12 cm long massless rod. The dipole rotates on a frictionless pivot at its center. The dipole is held perpendicular to a uniform electric field with

    asked by Collin
  154. College Algebre

    Here is the math problem: The height of an object in free fall, or otherwise thrown into the air near the earth's surface, with initial vertical velocity v0 in feet per seconds, and from the initial height h0 in feet, at any given time t in seconds is

    asked by Rick
  155. Chemistry

    What amount of heat is required to raise the temperature of 10.0 g of aluminum by 15.0 C

    asked by Olga
  156. math

    The formula used to convert Celsius degrees to Fahrenheit degrees is F = 9/5C + 32. What is the Fahrenheit equivalent of 35C ?

    asked by raymond
  157. chemistry

    who was the first scientist to identify a nuclear bombardment reaction?

    asked by melissa
  158. physics

    A 790kg boulder is raised from a quarry 188m deep by a long uniform chain having a mass of 600kg . This chain is of uniform strength, but at any point it can support a maximum tension no greater than 3.00 times its weight without breaking.

    asked by Andrew
  159. Physics

    While an elevator of mass 2681 kg moves upward, the tension in the cable is 29.4 kN. (a) What is the acceleration of the elevator? (b) If at some point in the motion the velocity of the elevator is 1.04 m/s upward, what is the elevator's velocity 3.96 s

    asked by Anonymous
  160. Trig

    If sin(t)=4/5 & 0

    asked by Purplechick4
  161. business

    Ben chooses a pattern of organization before he begins a letter. What part of the writing process does this activity represent? Planning getting feedback Editing brainstorming i think brainstorming

    asked by Anonymous 2
  162. quadratic equation

    what's the positive root of the following equation x(square)=7x+8

    asked by tanya
  163. Chemistry

    Bill and Bob have been testing a new aluminised PET (Polyethylene Terephthalate) film and they now use the material to make helium filled balloons. Bill’s balloon is less inflated than Bob’s, and the latter jokes about it. However, Bill insists he has

    asked by MM
  164. Algebra 1

    Can someone tell me the x- and y- intercepts of: x+y=9 Explain how you got the answer please.

    asked by Sonia
  165. Chemistry

    In terms of energy, what must be done to break a covalent bond? Is the process of breaking a covalent bond exothermic or endothermic?

    asked by Smyth
  166. Chemistry

    In terms of energy, what must be done to break a covalent bond? Is the process of breaking a covalent bond exothermic or endothermic?

    asked by Smyth
  167. Chemistry

    If 56 j of heat is added to an aluminum can with a mass of 19.6 g, what is its temperature change?

    asked by Unknown
  168. physics

    4) An aircraft has a landing velocity of 50 ms-1 and decelerates uniformly at 10 ms-2 to rest . Calculate: (a) the time taken to slow down to this velocity (b) the distance covered during the deceleration

    asked by CL
  169. physics

    A car accelerates from rest at a steady rate of 1 ms-2. Calculate: (a) the time taken to reach 15 ms-1 (b) the distance travelled during this time (c) the velocity of the car when it was 100 m from the start point

    asked by LK
  170. Physics

    A student argues that as a satellite orbits the earth in a circular path, it moves with a constant velocity and therefore has no acceleration. The professor claims that the student is wrong since the satellite must have a centripetal acceleration as it

    asked by sarah
  171. trig

    Find sin t,cos t and tan t when the terminal side of an angle of t radians passes through ( -3/5 , -4/5) on the unit circle.

    asked by emily
  172. algebra

    please check my problem and make changes as needed. thanks solve ineqality: 3/7(2p-14) > 6/7p-6 Clear fractions mult. by 7/1 3(2p-14) >6p-6 6p - 42 > 6p - 6 6p - 6p -42> 6p - 6p - 6 0 -42 +42 > -6 +42 0 > 36

    asked by ann
  173. education

    rationale for studying historical foundations of education

    asked by sabina
  174. History

    During the late 1800's, the Populist Party supported all of the following EXCEPT? a.) high tariffs b.) tight controls on inflation c.) lower interest rates on loans d.) government control of railroads I think it's either A or B???

    asked by Mary
  175. Math

    Four students have been jogging for 2 hours. The distances they have jogged are shown on the graph. Based on the information, which is the best prediction of how many miles Yuan will jog in 4 hours? Deon=12 Jon=10 Yuan=16 Sal=6 A.16 B.24 C.26 D.32 D?

    asked by Colton Constancio
  176. physics

    A hydraulic jack is designed so that when the handle is pushed down 1 m, the piston raising the load moves up 0.015 m. IMA= 66.67 AMA= 26.67 Efficiency= 40% At this efficiency, what is the force required to lift a 5000 N weight?

    asked by Jacqueline
  177. chemistry

    Name each binary molecule. a. CS2 Carbon Disulfide b. N2O3 Dinitrogen trioxide c. NF3 Nitrogen trifluoride

    asked by krystal
  178. chemistry

    A solution of 0.178 M KOH(28.3 ml) is mixed with 28.9ml of 0.133 M HCl. Assuming that the final solution is the sum of the initial volumes, caculate: a)the molarity of the K+ cation b)the molatiry of the Cl- anion c)the pH of the final solution d)the pOH

    asked by helen
  179. Accounting

    Worksheet data for Goode Company are presented in E4-2. Instructions (a) Journalize the closing entries at April 30. (b) Post the closing entries to Income Summary and Retained Earnings. Use T accounts. (c) Prepare a post-closing trial balance at April 30.

    asked by Beth
  180. math

    Triangle ABC has two sides that measure 12 inches and 16 inches. Which could be the measures of the corresponding sides of a triangle that is similar to triangle ABC? 1. 10 in and 14 in 2. 9 in and 12 in 3. 6 in and 10 in 4. 3 in and 8 in

    asked by katy
  181. Math

    A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent?

    asked by Matt
  182. Chemistry

    A deceased person is found by the coronoer to have a cocaine concentration of 50 ng/dL. What is the concentration of cocaine in his blood two hours earlier?

    asked by Alex
  183. business

    During a group meeting whrn they are each reading a draft of their formal reports, they realize that sometimes they have used the word "there' correctly and sometimes the word should be "their" They use their word processor's "find" features to help them

    asked by Anonymous 2
  184. math

    The top and bottom flaps in the box are each 4 centimeters by 2 centimeters.The right and left flaps are each 2 centimeters by 2 centimeters. There are flaps at the other end that are identical.Find the total area of carboard used to make the box.

    asked by carlos
  185. Perimeter

    A rectangle has a perimeter of 12m. If each side is a whole number of meters, what are the possible dimensions for the length and width?

    asked by Jackie
  186. English

    Here are the integrations into ongoing activities which refer to the two other schools. Thank you very much! 1) The project, its cycle and the outcomes will be integrated as followed: .......Gymnasium: The 10th class will be involved in project because the

    asked by Henry2
  187. geometry

    If I want to cover a wall that is 10ft long by 3 ft high with 4"x4" tiles how many tiles do I need?

    asked by sue
  188. trig

    Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line on ,find the measure of theta in degrees.

    asked by Stacy
  189. Economics

    If someone said "My personal economic theory is live below my means..." what does this mean and what implications does this have for that person's economic future?

    asked by Jason
  190. Calculus

    Find the volume of the solid by rotating the region bounded by the given curves about the x-axis. Use the method of cylindrical shells. y=4x^2 2x+y=6 I drew the picture and the intersection points are at x=-1.5 and x=1. I'm not sure how to identify the

    asked by Anonymous
  191. international business help

    hi, please help me find a site about laws and regulations in setting up a business in hongkong a. export/import b. joint venture c. direct investment thanks

    asked by hellokitty
  192. chemistry

    1.5x10^7 molecules of hydrogen sulfate. find the number of grams for the molecules listed

    asked by kate
  193. math: simplify

    simplify: x^-7 x^4 5x^-4 x^4 7x^0 y^-3

    asked by crystal
  194. college mathematics

    9. Create a Euler diagram to determine whether the syllogism is valid or invalid. All children like games. John likes games. John is a child.,

    asked by cody
  195. Chemistry

    A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.75 degrees Celsius. If the heat capacity of the calorimeter

    asked by Justine
  196. MATHEMATICS_algebra

    A man accepts a position at Php9000 a month with the understanding that he will receive an increase of 10% a year computed on the previous years salary. Form an equation that will compute how much he will receive a month after 10 years of service.

    asked by PDF
  197. physics

    FROM A VERTICALLY RISING BALLOON AT A HEIGHT OF 450m an object is released, the object takes 10 seconds to reach the ground.calculate the velocityat the instance the object is released

    asked by akram
  198. Math

    Multiply: (3square root 6)^2 (3+square root 5)^2

    asked by Carlee'
  199. math

    for every 20 math books a school buys, they they get 7 aditional books for free. The school needs 297 math books. What is the total number of math books the school must buy in order to receive 297 math books in all?

    asked by ali
  200. math

    If the sale amount was $475 and the commission rate was 6% what is the amount of Commission? I just need to know how to solve it.

    asked by Marida
  201. English

    Writeacher, could you please check the last two paragraphs I posted. I need to check everything for tomorrow. There is still one more paragraph after those and then we will have finished! Thank you for your invaluable help!

    asked by Henry2
  202. science

    This graph represents the relationship of the pressure and volume of a given mass of a gas at constant temperature. When the pressure equals 8 millimeters of mercury (mmHg), what is the volume, in milliliters (mL)?

    asked by Anonymous
  203. Physics

    A student is about to do a push-up. Her center of gravity lies directly above P on the floor, which is 1.2 m from her feet and 0.6 m from her hands.If her mass is 56 kg, what is the force exerted by the floor on her hands? The acceleration of gravity is

    asked by amanda and leah
  204. chemistry

    a 7.500-mg sample of chromium-55 is analyzed after 14.0 min and found to contain 0.469 mg of chromium-55. what is the half-life of chromium-55

    asked by lisa
  205. m

    A machine costs $40,000, has a salvage value of $8,000, and is expected to have a useful life of 100,000 hours. I

    asked by T.
  206. chemistry

    which element would have 2 electrons and +1 charge which element would have 18 electrons and +3 charge.

    asked by hadley
  207. Calculus

    Find integral of (x^3-6x-20)/(x+5) dx

    asked by Jack
  208. Business 101

    Please check my work. 1.The employees of Abs “R” Us, which includes 12 fitness parlors in and around the metro area, feel they can improve the performance of the company. They decide to pool their resources to purchase the company. This would be called

    asked by Brianna
  209. chemistry

    For electrolyte solutions, the __________ the concentration of the electrolyte and the __________ the ion charges, then the __________ the ion-pairing. a) lower, smaller, greater b) higher, smaller, smaller c) higher, greater, greater d) lower, greater,

    asked by Emile
  210. chemistry

    For electrolyte solutions, the __________ the concentration of the electrolyte and the __________ the ion charges, then the __________ the ion-pairing. a) lower, smaller, greater b) higher, smaller, smaller c) higher, greater, greater d) lower, greater,

    asked by Emile
  211. Math

    2.5 meters converted into feet and inches

    asked by Jim
  212. chemistry

    You have 20 mL of a 0.1 M aquesous solution of the weak base (CH3)3N (Kb = 7.4x10^-5). This solution will be titrated with 0.1 M HCl. how many mL of acid must be added to reach the equivalence point?

    asked by laura
  213. Pre-Algebra

    a student solved the equation x/4 +5=1 without showing all the work. the student's solution is incorrect. what error did the student make?

    asked by taylor
  214. business math

    Baker Company purchases a new delivery truck for $20,000. The truck is expected to have a useful life of 90,000 miles before replacement, and a salvage value of $2,000. In its first year the truck was driven 22,000 miles, and a further 19,000 miles in year

    asked by T.
  215. arithmetic

    When Joe died he had 1200 acres of apple orchards. Rebecca wants to plant four apple trees. She was told to plant them 8 to 33 feet apart. If she plants the trees at the four corners of a square, what is that minimum number of square feet in her tiny

    asked by Najhee
  216. Social studies

    compare the political system and the political philosophies of China to those ofEgypt and Mesopotamia?

    asked by Maria
  217. Business

    Employed persons 2006-07 in Australia: -Proffestionals 19.3% -Intermediate clerical and service workers 16.5% -Associated professionals 12.9% -Tradespeople and related work 12.7% -Elementary clerical and service workers 9.3% -Labourers and related workers

    asked by Amethyst
  218. math

    Starting at point P, a fly moves 1 foot east, 2 feet west, 3 feet east, 4 feet west, and continues alternately making east and west moves, each time lengthening the distance by 1 foot. a. In relation to point P, where is the fly after 50 moves? b. Where is

    asked by Reed
  219. astronomi

    one astronomical units is about 1.5 X 10 km .

    asked by laura
  220. business math

    Dennison Property Company purchases a new office space for lease to small businesses for $2,400,000, including a land value of $400,000. The property is placed in service on March 15, 1999. Using MACRS, what is the depreciation on this property at the end

    asked by tj
  221. Chemistry

    Your laboratory supervisor directs you to prepare 500.0 mL of a buffer with a pH of 9.40. You have available all the weak acids and bases and the salts of those weak acids and bases. Describe how you could make this buffer.

    asked by Sandra T.
  222. English

    I urgently need you to check these sentences. Thank you very much! 1) I'be been really disappointed to read that our German partner doesn't want your school to join in. Actually, we won't be probably part of the partnership, too. 2) Though English is

    asked by Henry2
  223. math

    OUT OF 400 TICKETS,280 TICKETS WERE SOLD TO SIXTH GRADERS.WHAT PERCENT OF THE TICKETS WERE SOLD TO THE SIXTH GRADERS?

    asked by iesha
  224. social studies

    How can you use the word league in a sentence

    asked by meghan
  225. Pre-Algegra

    If a person traveled 16,000 meters in 8 minutes, how long would it take to travel a total of 80000 meters?

    asked by Cindy
  226. English

    I left out a last sentence I need to add at the end of the school presentation. 1) Our students are also encouraged to engage in extra-curricular activities. Our school has been awarded several prices within the contest “I Giovani e le Scienze”

    asked by Henry2
  227. charle drew high

    a number cube is rolled twice. what is the probability of rolling an odd number on the first roll and a multiple of three on the second roll?

    asked by ameyo
  228. bio

    What does this sentence mean? "We propose that acetate produced by protective biofidobacterium improves intestinal defence mediated by epithelial cells and thereby protects the host against lethal infection" thanks

    asked by Rebekah
  229. Math

    In a playground, there is a model of the old school building that is 6.6 feet long, 3.3 feet wide, and 4.6 feet high. If the real building was 80 feet long and 40 feet wide, how high was it?

    asked by Kate
  230. physics

    why are railway track laid in large sised concrete leapers

    asked by biju
  231. physics

    t(s)=0.0,1.0,2.0,3.0,4.0,5.0,6.0,7.0 v(m/s)=0.0,4.6,8.9,13.4,18.0,22.9,27.6,32.0 find the area underneath the graph between t=2.0s and t=6.0s, i know i will have to break this down into two separate shapes, a rectangle and a triangle then add them

    asked by Annie
  232. math

    my tank is 38 inches tall 45 inches in diameter. How many gallions does it hold?

    asked by david
  233. mathematics

    evaluate. 3 square root 81 (32)^3/5 64^2/3 4 square root 256 thanks

    asked by jeelah
  234. geometry

    what happens when you put 7 over x and 9 and 11????????:)

    asked by kaitlin
  235. Genetics

    In general, what two methods are used to grow bacteria in the laboratory?

    asked by Anon
  236. algrebra

    16(5/8x+1/16)x=16(7/16+x) I have no idea how to multiple 5/8 by 16

    asked by melissa
  237. English

    Here are the linguistic objectives which I'm going to vary as English should be the lingua franca. Is it correct to mention the objectives using the gerund??? They didn’t consider the pupils’ point of view. What do you think? 1) Linguistic objectives :

    asked by Henry2
  238. geometry

    an electronic manufacturer wants to ship a stereo system. The system includes the following components: 1 Receiver 20in. x 8in. 1 CD Player 20in. x 8in. x 5in. 1 Dual Tape Deck 20in. x 8in. x 6in. 2 Half-Cylinder Speakers, each with a height of 22 in. and

    asked by Melanie
  239. Math Middle School

    Please help. I do not have any idea about how to get started on this or finish it. I was told that the answer that I got was not the complete answer that was needed for me to submit. I do not understand how to extend the problem. I am not able to follow

    asked by Please Please Explain
  240. algebra

    Explain why [sqrt(4)]2 = 4. How would you apply that explanation to solving x in sqrt(x+5) = 7?

    asked by Dedria
  241. math

    (x-11)^1/2=3

    asked by jamie
  242. Chemistry

    Your laboratory supervisor directs you to prepare 500.0 mL of a buffer with a pH of 9.40. You have available all the weak acids and bases listed in your textbook's appendix and the salts of those weak acids and bases. Describe how you could make this

    asked by Linda
  243. Middle School Math

    Please help. I do not have any idea about how to get started on this or finish it. A three-digit number increases by 9 if we exchange the second and third digits. The same three-digit number increases by 90 if we exchange the first and second digits. By

    asked by Please Please Help
  244. Calculus

    f(x)=4-x^2-ln((1/2)x+1) find the tangent line approximation of f(-0.2)

    asked by Lucy
  245. Calculus

    Find the inflection points of f(x)=(x^2-6x-5)e^x

    asked by Jack
  246. Geography

    What are 5 precious resources that Africa possesses in abundance?

    asked by Mark
  247. Math

    This is the error message I see, how do I fix this: listarray:argument must be an array;found:b--anerror.2 debug this try: debugmode(true)

    asked by Kendall
  248. math

    Find a fraction equivalent to 1\2. The denominator must be 5 less than 3 times its numerator. The numerator is less than 8. Is the answer 2\4

    asked by paige
  249. geometry

    7x over 5 = 42 over 3

    asked by Kevin
  250. American Gov't

    _____ declared that "separate educational facilities are inherently unequal." Is it Brown VS.Board of education?

    asked by Kenzie
  251. biology

    I have codone AUG. Which one of amino acids will be involved in protein making, if nucleotide with adenine (A) will be changed to nucleotide with cytosine (C)?

    asked by Evelina
  252. chemistry

    5.0 mL of hydrogen gas are measured 83'C. What is the volume at standard temperature

    asked by Gabby
  253. Social 30-1

    Who benefited from the growth of classical liberalism during the industrial revolution? Who did not benifit from it? Why didn't the theorys of classic liberalism extend to all classes and people? please help

    asked by Peter
  254. algebra

    how do you solve -x+2y=2

    asked by d
  255. math

    multiply 6sqrt25x^3*sqrt4x^3

    asked by katie
  256. Penn

    How would you do (1 1/2 + p) * 2 to power of 2 = 12

    asked by Jones
  257. college calculus

    lim x->a f(x)= 0 , lim x->a g(x)=infinity show that lim x->a [f(x)]^(g(x))= 0

    asked by Anonymous
  258. American Government

    What are two present day example that shows establishing justice? I'm not very good with coming up with modern examples only historical ones.

    asked by Mark
  259. biology

    why regeneration of body organs in humans are not developped?

    asked by ramannachowdary
  260. English 12

    how could i make these two sentences better. In the south pacific mountaintops there is vast number of forests. Hunters from this mountaintop civilization find it extremely difficult to hunt with the burden of the forests.

    asked by Pria
  261. Trig

    if tan(x)=9/4, find cos(x) if pi

    asked by Purplechick4
  262. please help! solve for x

    2^x+3=5^3x-1 thanks!

    asked by skye
  263. Calculus

    What is the domain and range of f(x)=-x^2-5?

    asked by Anonymous
  264. Calculus

    ∫[(x+3)/(x^2 +9)]=????? Can you give me a hint for solving it?

    asked by Vivian
  265. math

    Mary's test grades were 81, 89, 86, 86, and 84. Mary's teacher recorded one of her grades incorrectly. Instead of an 89, Mary's second test score should have been a 55. Which measure(s) of central tendency are affected by this change?

    asked by chris
  266. calculus

    Parametrize the curve of intersection of x = -y^2 - z^2 and z = y.

    asked by J
  267. calculus

    I'm having trouble with these two problems. If someone can help me with the first one I can probably get the second one on my own. I think that I have to factor the bottom but I just cant get it. lim (3x+7)/(8x^2-3x+11) x-> infinity

    asked by cassie
  268. math

    simplify tan ^2 - sec^2 x

    asked by keyon
  269. trig

    Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

    asked by Nora
  270. trig

    Find sin t ,cos t and tan t when the terminal side of an angle of t radians passes through (2 , 7)

    asked by Nora
  271. physics

    If I have a unit vector of (2.06 j)m/s(I have no i vector because it's 0 on a horizontal impulsion, in accordance with my problem,how do I convert that into polar notation? Will I be doing rcos0, with r being 2.06? . But then again I have no angle, just

    asked by Raf
  272. social studies, english

    what is drought? give 5 adjectives, 5 nouns, 5 verbs. write antonyms for 3 adjectives you have mention.

    asked by mita
  273. math

    5/315

    asked by mark
  274. Calculus

    g(x)={1+cos(pi/2-x/1) 0 for-2

    asked by Jackson
  275. English

    Thank you very, very much indeed! Here is the second part, concerning the scientific and linguistic objectives. The question is: " What are the concrete objectives of the partnership"? 1)Scientific objectives - describing the biodiversity, the presence of

    asked by Henry2
  276. Math

    Adam used 2/5, 1/6 and 1/3 to make a circle graph and colored each a different color. What fraction of the graph is not colored? Explain your answer.

    asked by Shirley
  277. math

    If Ashante' got 21 questions correct out of 25, what percent went in the grade book?

    asked by rae
  278. Math

    Adam has $300 when he entered the store. He spent $72 on some CD's. He wants to use the rest of the money to buy some DVD's. If DVD's cost $18 each, which would be the best way for Adam to find how many DVD's he can afford to buy? A.Multiply 18 by 72 B.Add

    asked by Andrew
  279. Math

    The table shows the results of an election. Which student received the median number of votes? Ansari=108 Fidel=89 Denisa=175 Mikhail=92 Alex=130 A.Ansari B.Fidel C.Alex D.Mikhail A? Which lists all the factors of a prime number? A.1,2,4,8 B.1,13

    asked by Colton Constancio
  280. algebra 2

    can someone help me simplify 3/4i

    asked by danny
  281. algebra

    multiply 6sqrt25x^3

    asked by katie
  282. History

    Who became the first African American to play and win Wimbledon and the United States national tennis championship? Althea Gibson?

    asked by Jaycee
  283. Math

    Find all real Solution: 2x^3-7x^2-98x-343

    asked by thomas
  284. English

    When presenting the school we missed an an important detail I need you to check: 1) Among the experiences realized in cooperation with the Politecnico of Turin (It is a well-known Applied Science Faculty in Turin. I would like to leave the name in Italian.

    asked by Henry2
  285. geometry

    Find the value of x When one angle is 67 degrees and The lenthb of the triangle is 21

    asked by al
  286. Meanings

    What does the poem "Never Seek To Tell Thy Love" mean?

    asked by Now That's What I Call Music.
  287. calculus

    plz help me with this,when f(x)=1/(x^2+2), find lim[f(x)-f(a)]/x-a x ---->a

    asked by Bash
  288. english project

    please help me to find 5 adjectives,5 verbs,5 nouns for the topic of drought.

    asked by chetna
  289. English

    Here is the part concerning the distribution of tasks among the partner schools. 1)..... Gymnasium: It will coordinate the project and accomodate partners twice (beginning and end). It will as well set up the e-twinning platform and organise presentations,

    asked by Henry2
  290. Calculus

    Integrate from e^2 to e of tthis funtion: 1/(x)ln(x) dx

    asked by Jack
  291. Calculus

    Find dy/dx for (e^xy)+ x^2 +y^2=10

    asked by Jack
  292. math

    Which of the following is an illustration of the additive inverse property? 1. (-7)+7 = 0 2. 7+0 = 7 3. 7 x 1/7 = 1 4. 7 x -1 = -7

    asked by katy
  293. math

    if i bought a item for 288 an the sale taxes was 6% what will my total be

    asked by toya
  294. Grade 6 LA

    I really need 3 action words for mp3? I need this right now so someone really help me!

    asked by I really need help ASAP
  295. Math

    Solve each equation: 9n-3= 7(n+3)+2n I got -24 .....is that right?

    asked by Cassie
  296. math

    if the drama club would want 120 to people see them act and want to fill up 10 rows how many people are in each row

    asked by karla
  297. math

    a student soved the equation x/+5=1 without showing all the work. the student's solution is incorrect. what error did the student make?

    asked by taylor
  298. algebra

    Simplify 1+2/x / 1/x - 2/x^2

    asked by John
  299. Pre-Algebra

    explain how the process of solving x/-2=8 is different form the procss of solving x/4=8?

    asked by taylor
  300. math

    write the expression using negative exponents. (4/3x)+(4/x^2)-(7x/5thsqrroot2x) and Write the fraction as a sum or two or more terms. (6x^3-8x^2+4)/(x^(1/4)

    asked by lauren
  301. physics

    how do scientist know that the chemical elements here on earth are the same as on the planets in space and not some different elements

    asked by Kara
  302. english

    He is a champion cyclist because he rides miles everyday. is this complex or coumpound-complex

    asked by Goodwinn
  303. am hist

    Which of the following statements about the provisions of the Compromise of 1850 is true? A. The New Mexico Territory was absorbed into Texas. B. Fugitive slaves were denied any and all constitutional rights. C. The slave trade was abolished in the

    asked by damu
  304. English

    I can't understand your last correction in my previous post. Thank you Natural parks as partners will become aware of European dimensions and should be motivated to promote themselves as European activities. (what does this mean?)

    asked by Henry2
  305. english

    the subject and verb to the sentence "the sharp edge of a book page slit my finger."

    asked by Anonymous
  306. calculus

    what is the domain of the function x^2+6x-16 over x^2-2x-15?

    asked by Anonymous
  307. English

    Writeacher, thank you very much! Here is the part on the integration into ongoing activities. I wrote a number of ideas. I hope you can join them into a cohesive paragraph!! 1) High school... Pupils taken from a tenth class (or from different tenth

    asked by Henry2
  308. english

    how do you write an annotated bibliography on animal experimentation

    asked by vera
  309. math

    sams bday is 186 days after jims bday. susans is 24 days after jims. sam was born on sept 6th. what day was susan born on if it was not a leap yr?

    asked by dave
  310. math

    -46 x -2 - (-42)x(-27)= 200 Is that correct?

    asked by jordie
  311. ilmu pengetahuan

    kenapa tes pengukuran kecepatan tangan dalam tenis meja?

    asked by reza
  312. American Government

    The conditions that cause new democracies to survive and thrive or to fail.

    asked by Nandia
  313. Business Studies

    For the number of employed people, why would there be so few labourers and so many professionals?

    asked by CrissyXD
  314. science

    How do direct and alternating current differ?

    asked by erwin
  315. English

    Here is the second part on the European added value. Thank you very much in advance!! 1) The European added value of the intended project is first of all to be located in this European project in which pupils will cooperate. 2) It will bring educational

    asked by Henry2
  316. ENGLISH

    could someone tell me 2 hard sources(books/database/magazine)or websites about prohibition era that could be very informative for term paper

    asked by mary96
  317. English

    I forgot to add this part with reference to our school. It is essential. Thank you. 1) Pupils taken from one tenth class will be involved in the project since the scientific project topics are included in the curriculum of this class. The participating

    asked by Henry2
  318. Math

    If The cat is a little more than 1 foot tall what is a good estimate for the length of computer screen?

    asked by Amber
  319. physics

    application of and the concept of heat and temperature in technology.please can u give me the link.thanks

    asked by anon
  320. Math

    How do you divide decimals? Ex. 0.05/0.04=?

    asked by Jacqueline
  321. trig

    if diameter of the circle is 100 cm. and length of the arc forming the angle is 360 cm. Assume that the earth is a perfect sphere of diameter 8000 miles. Find the distance between: Rome, Italy: latitude 42 degrees north Copenhagen, Denmark: latitude 54.3

    asked by sara
  322. Pre-Algebra

    Find the dimensions of the rectangle.The perimeter is given. Rectangle: P= 210 ft. w;side of rec. 2w=15;bottom of rectangle Help!

    asked by Cassie
  323. MATHEMATICS_ratio&proportion

    X is a point between A(-5,-2) and B(5,13) such that AX:XB = 2:3. Find the coordinates of X.

    asked by PDF
  324. ENGLISH

    "In that advanced season, the party soon passes out of the moist, temperate regions of the foothills into the dry, cold ,bracing air of the Sierras." Explain what it shows about poker flat and the old west. "The Outcasts of Poker Flat" by Bret Harte

    asked by Stan3000
  325. Genetics

    Name the term used to describe the phenomenon in which a bacteriophage genome incorporates its genome into the chromosome of the host.

    asked by Anon
  326. Math

    Mrs.Thompson has two containers of orange juice. One of the containers has 1/4 gallon of juice and the other container has 2/4 gallon of juice. How much orange juice do the containers have together? A.1/4gal B.1/2gal C.3/4gal D.2/3gal C?

    asked by Colton Constancio
  327. calculus

    if (g(x)=x,f(2)=7,and f'(2)=6. what is g'(&)?

    asked by brian
  328. english literature

    discuss maurya's character in ''riders to the sea''as a mother and a priest....thanks ! :)

    asked by ruwangi
  329. Essay

    what does it mean to give up? are there situations where that's okay. are there situations where giving up is not possible. my teacher told me to write a paragraph about this... can someone please help me!!!! :)

    asked by Jackson
  330. Science

    What is the first element on the periodic table? Hydrogen?

    asked by Colton Constancio
  331. math

    For the given perimeter, find the length and width of the rectangle with the greatest area Use whole numbers only. 60yd 54cm

    asked by stephanie
  332. SCIENCE. I NEED HELPP

    How do trees change the environment, making it less favorable for grass to grow?

    asked by A Girl.
  333. chemistry

    What is the formula weight of ammonium oxide? 44.0 g/mol 52.1 g/mol 34.0 g/mol 30.0 g/mol Is it 34.0 g/mol

    asked by krystal
  334. Math

    What is the range of the following problem? f(x)=(.3)^x+2 is it (2, infinite)?

    asked by Jason
  335. Grade 6 LA

    I really need 3 action words for mp3? I need this right now so someone really help me!

    asked by I really need help ASAP
  336. Pre-Algebra

    explain how the process of solving x/4-2=8 is different from the process of sovlivng x/4=8

    asked by taylor
  337. Math

    2.5 meters converted into feet and inches

    asked by Jim
  338. 7th grade Lang. Art

    Out of this list of words, which one is a synonym of MEDDLE? List: anecdote consolidate counterfeit docile dominate entreat fallible fickle fugitive grimy iota maul rural substantial tactful tamper ultimate uncertainty Please help Thank you

    asked by saranghae12
  339. English

    The first sentences of the last paragraph and then we have finished! Thank you very much !!!!!! 1) The preparatory meeting made clear that the idea to make a project is a result of the desire to become a more Europeen school as well as to get to know how

    asked by Henry2
  340. math

    what is -3 x -3 x -3 x -3? My mom and I were having a debate and I think it's 81, but she thinks it -81. Which one of us is right?

    asked by shay
  341. Math

    Solve each equation. 9n-3=7(n+3)+2n I got -24 is that right?

    asked by Steven
  342. English

    Writeacher, I have finally reached an agreement with my German partner. However, I'll have to check the English version of the application form by tomorrow (which is full of mistakes and contradictions! Plus: I'm ill and on sick leave). I really hope you

    asked by Henry2
  343. BUS/210

    Could you please explain to me what a business model is so that I might actually be able to grasp the concept. I am so lost. Thank you in advance for any assistance.

    asked by Rae
  344. life science

    true or false? The temperature varies greatly throughout the year in a tropical rain forest.

    asked by selina
  345. Math

    If a line is measured as 1 4/8 inches how would simplify measurement

    asked by Mary
  346. English

    Explain relationships between two or more seemingly unrelated things.

    asked by Amber
  347. Science

    I need help writhing an Essay about Energy! I have to includ at least 9 of these words listed below ; - heat energy - energy transfer -molecules -motion -traveled -data -centimeters -minutes -observations -colder -warmer -conduction

    asked by Ariel