Questions Asked on
October 31, 2012

  1. General Chemistry I

    Write the formation reactions. {You Must include the states of matter for each atom or compound} NaClO4(s)

    asked by Ashley
  2. economics

    can someone explain the relationship between consumer expectations and economic performance? Could use some help.

    asked by Lee
  3. math

    How does finding the square root of a number compare to finding the cube root of a number? Use the number 64 in your explanation.

    asked by zach
  4. General Chemistry I

    When a 0.432g sample of a mixture of volatile hydrocarbons is burned in a bomb calorimeter with heat capacity of 3046 J/C, the temperature rises by 7.82C. How much energy (in KJ) is released during combustion. **I got that answered** 3046x7.82C=23819.72J

    asked by Ashley
  5. Chemistry

    Calculate the volume of oxygen you would need, at 1.00 atm and 298 K, to completely oxidize 51g of glucose.

    asked by Alexa
  6. PHYSICS!

    an object weighs 528.0 Newton. It is being pushed along a horizontal surface by a 475.0-Newton force. Determine the mass of the object in a numerical form.

    asked by Michael
  7. math

    Write the following ratio in simplest form: 32 min : 36 min

    asked by Isa
  8. PHYSICS HELP!

    A typical propeller of a turbine used to generate electricity from the wind consists of three blades as in the figure below. Each blade has a length of L = 33 m and a mass of m = 415 kg. The propeller rotates at the rate of 21 rev/min. 120degree angle

    asked by Shelby
  9. ua

    Assume you are performing the calibration step of Experiment 8 and you begin with 70 g of water at 20 oC and 70 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

    asked by san
  10. PHYSICS

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 10.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision?

    asked by KIEN
  11. Calculus

    An offshore well is 2 miles off the coast. The refinery is 4 miles down the coast. If a laying pipe in the ocean is twice as expensive as on land, what path the pipe should follow in order to minimize the coast. Is the answer 2.1? Can you some list their

    asked by Anom
  12. algebra

    Rewrit the equation in vertex form. Name the vertex and y-intercept. y=3/5^2+30x+382 I need some help do not understand these type of problems.

    asked by Lee
  13. ap chemistry

    How much heat is released if 2.00 moles CF2Cl2 reacts with 70.0 g F2 with a 75.0 percent yield? CF2Cl2 + F2 ! CF4 + Cl2 H for this reaction is -401 kJ/mol rxn. 1. 553 kJ 2. 739 kJ 3. 985 kJ 4. 601 kJ 5. 1069 kJ 6. 802 kJ

    asked by cheri
  14. Chemistry

    The SI unit of length is a meter, which is defined as the length equal to 1,650,763.73 wavelengths of light emitted by a particular energy transition in krypton atoms. Calculate the frequency of the light to three significant figures.

    asked by Anne
  15. maths

    two consecutive sides of a parallelogram are 4x+5y=0 and 7x+2y=0.if the equation to one diagonal is 11x+7y=9,find the equation to the other diagonal

    asked by Raman
  16. Physics

    The distance between a 10 cm tall candle and the reflecting surface of a concave mirror is 40 cm. The radius of curvature of the mirror is 25 cm. Now, A. What is the focal length of the mirror? B. What is the image distance? C. What is the magnification of

    asked by Help Please?
  17. chemistry

    A sample of natural gas is 85.2% methane, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this gas mixture at 18.0°C and 771 mmHg? Assume ideal gas behavior.

    asked by Zoe
  18. Geometry

    A museum was designed without windows, but a truncated cylindrical skylight lightens the building. In the development of this, the architect has areas where the angles formed at junctures are vertical angles. If a pair of vertical angles measures 5x - 54

    asked by Chris
  19. chemistry

    why bond angle in cl2o is larger than h2o

    asked by saurabh rao
  20. ap chemistry

    Consider the reaction Ni(s) + 4CO(g) ! Ni(CO)4(g) Assuming the gases are ideal, calculate the work done on the system at a constant pres- sure of 1 atm at 75C for the conversion of 1.00 mole of Ni to Ni(CO)4.

    asked by cheri
  21. physics

    for an 84 kg person standing at the equator what is the magnitude of angular momentum about the earths center due to earth's rotation

    asked by Guy
  22. ap chemistry

    Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2CO(g) + O2(g) ! 2CO2(g) H for this reaction is −135.28 kcal. If 811.7 kcal is released, how many moles of CO must have reacted?

    asked by cheri
  23. math

    Assume the $8,000 Treasury bill, 1.75% for 50 weeks. Calculate the effective rate of interest.

    asked by Lin
  24. math

    Jacob opens a savings account on January 1 with a deposit of $350. He has "direct deposit," in which $25 is deposited every other week. The bank also charges a $3 monthly processing fee. How much money will he have at the end of the year?

    asked by Christina
  25. Physics

    A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the

    asked by Samantha
  26. math

    Alex came home after school one day and found that his mother had left a plate of cookies. Alex ate 1/4 of the cookies. When his sister Bernice came home, she ate 1/3 of the remaining cookies, and when Carla came home, she ate 1/2 of the cookies on the

    asked by Christina
  27. PHYSICS

    A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the

    asked by PLEASE HELP
  28. PHYSICS HELP-multiple choice

    A red ball with a velocity of +3.0 m/s collides head-on with a yellow ball of equal mass moving with a velocity of -2.0 m/s. What is the velocity of the red ball after the collision? A. zero. B. -2.0 m/s. C. +3.0 m/s. D. +2.5 m/s. E. +5.0 m/s. I think zero

    asked by Sarah
  29. ap chemistry

    Which of the following reactions as written corresponds to a standard formation reaction? 1. 2H (g) + O2(g) ! H2O2 (`) 2. Na(s) + 1 2 Cl2(g) ! NaCl(s) 3. CO2(s) ! CO2(g) 4. SO2(g) + 1 2 O2(g) ! SO3(g) 5. 2 H2(g) + O2(g) ! 2 H2O(`)

    asked by cheri
  30. Physics

    A student pushes stright along the handles of a mower with a force of 200 N. The handles make a angle of 20°, with respect to the horizontal. The frictional force for the 25 kg mower is 100 N. What is the normal force on the mower, and what is the

    asked by Alyssa
  31. ap chemistry

    What types of intermolecular interactions does chloroform (CH3Cl) exhibit? I) London dispersion II) dipole-dipole III) hydrogen bonding IV) covalent bonding Recall that chloroform is tetrahedral elctronic geometry with C as the central atom.

    asked by cheri
  32. chemistry

    How many grams of iron metal do you expect to be produced when 305 grams of a 75.5 percent by mass iron(II) nitrate solution reacts with excess aluminum metal? Show all of the work needed to solve this problem. 2 Al (s) + 3 Fe(NO3)2 (aq) 3 Fe (s) + 2

    asked by Anonymous
  33. chemistry (organic)

    Iodobenzee steam distills at 98.2C. How many molecules of water are required to carry over 1 molecule of iodobenzene? How many grams of water per gram of iodobenzene?

    asked by rhurley
  34. Physics

    When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

    asked by Confused
  35. CHEM HELP ANYONE ASAP

    Arrange the members of the following set of cations in order of increasing ionic radii: Sr2+ Ba2+ Rb+ K+ I understand that Sr2+ = 132 pm Ba2+ = 149 pm Rb+ = 166 pm K+ = 152 pm increasing ionic radii ....Sr2+ , Ba2+ , K+, Rb+ But the its not going in online

    asked by Lina
  36. Chemistry

    If you have 1.80 moles of H2, how many gram of NH3 can be produced?

    asked by Heather
  37. Physics

    What is the critical angle of light traveling from benzene (n=1.501) into air? 40.05o 48.22o 41.78o 62.63o

    asked by John
  38. Physics

    Monochromatic light of wavelength 550 nm passes through a diffraction grating that has 55000 lines/m. A bright line appears on the screen at an angle of 12.23o from the central bright fringe. What is the order of this bright line? 5 6 7 8

    asked by Ashley
  39. chemistry

    If 4.83 mL of an unknown gas effuses through a hole in a plate in the same time it takes 9.23 mL of argon, Ar, to effuse through the same hole under the same conditions, what is the molecular weight of the unknown gas?

    asked by Zoe
  40. Chemistry

    A 32.907-g sample of a hydrate of Au (CN)3 contains 5.406 g H2O What is the formula for the hydrate? What is the percent water in this compound? What mass of this hydrate contains 100.0 g H2O?

    asked by Cris
  41. Physics

    "You will measure the tension T, the mass m, and the length L of your spring. In terms of these variables, what is the expected frequency of the fundamental standing wave?" I found the fundamental frequency to be: f = 1/2L * sqrt(T/m/L)?

    asked by Kyle
  42. literary

    Which is the least common way for modern writers to convey their themes? a. through explicit statement b. through development of a central conflict c. through the values and motivations of the characters d. through the thoughts of the characters

    asked by Jon
  43. 7th grade health please Ms. Sue?

    Hi! Sorry, I don't know what subjects you teach, but can you check my answers please? 1. Starches and sugars that provide energy (1 point) kidneys enzymes carbohydrates vitamins 2. The system that removes waste from the body and controls the body's water

    asked by Delilah
  44. 7th grade math Ms. Sue please!

    Hi! Can you check my answers please? Thanks! And, can you help me with 3 please? I have tried and tried but I cannot solve it can you explain how? Thanks! 1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with

    asked by Delilah
  45. Physics

    Which of the following statements is not true about refraction? Refraction occurs when light's velocity changes. The angle between the refracted ray and the normal is called the angle of refraction. When light moves from a rarer to a denser medium, it

    asked by Physics Failure
  46. ap chemistry

    Consider the reaction 2 Al2O3(s) ! 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol What is the change in heat when 0.455 L of a 3.60 M Al solution reacts with excess O2 ?

    asked by cheri
  47. ap chemistry

    3.5 g of a hydrocarbon fuel is burned in a ves- sel that contains 250. grams of water initially at 25.00 C. After the combustion, the temper- ature of the water is 26.55 C. How much heat is evolved per gram of fuel burned?

    asked by cheri
  48. Physics

    A wire with a circular cross section and a resistance R is lengthened to 3.77 times its original length by pulling it through a small hole. After being pulled through the hole, the total volume of the wire is unchanged. Find the resistance of the wire

    asked by Aj
  49. physics

    A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?

    asked by Alyssa
  50. Calculus

    A rancher has 900 meters of fence to enclose a rectangular corral. The corral is to be divided into four subcorrals. What are the overall dimensions of the large enclosure that yield the maximum area?

    asked by Anom
  51. Physics

    Two window washers, Bob and Joe, are on a 3.00-m-long, 335-N scaffold supported by two cables attached to its ends. Bob weighs 755 N and stands 1.00 m from the left end,Two meters from the left end is the 500-N washing equipment. Joe is 0.500 m from the

    asked by Sam
  52. math

    If you are flying to a city 800 miles away, what will be the difference in flight times between flying into a 40-mph headwind and flying with a 40-mph tailwind if the plane's maximum speed with no wind is 160 mph?

    asked by Christina
  53. PHYSICS (please help)

    A solid, uniform disk of radius 0.250 m and mass 51.1 kg rolls down a ramp of length 4.60 m that makes an angle of 18° with the horizontal. The disk starts from rest from the top of the ramp. a)Find the speed of the disk's center of mass when it reaches

    asked by Sandy
  54. ap chemistry

    The energy change H associated with the reaction NBr3(g) + 3H2O(g) ! 3HOBr(g) + NH3(g)is +81 kJ/mol rxn. These bond energy values might be useful:O-H 459 kJ/mol; N-H 386 kJ/mol;O-Br 201kJ/mol. The strength of the N Br bond is

    asked by cheri
  55. physics

    A thin non-uniform rod of length L=2.00 m and mass M=9.00 kg is free to pivot about an axis at one end. The CM of the rod is at a distance d=1.30 m from that end as illustrated below. The rod's moment of inertia about an axis through its CM and parallel to

    asked by sharkman
  56. chemistry

    For each reaction, calculate the moles of product (in parentheses) when 2.00 moles of each reactant is used A: 2SO2 + O2 = 2SO3 (SO3) B: 3Fe + 4H2O = Fe3O4 + 4H2 (Fe3O4) C: C7H16 + 11O2 = 7CO2 + 8H2O (CO2)

    asked by Boo Boo
  57. chemistry

    A microwave oven heats by radiating food with microwave radiation which is absorbed by the food and converted to heat. Suppose an oven's radiation wavelength is 12.5 cm. A container with 0.250 liter of water was placed in the oven and the temperature of

    asked by jimmercarbone
  58. math

    If an airplane is moving 300 mph, relative to the air, into a headwind of 15 mph, what is its speed relative to the ground?

    asked by debbi
  59. ap chemistry

    Calculate the standard reaction enthalpy for the reaction NO2(g) ! NO(g) + O(g) Given: O2(g) ! 2O(g) H = +498.4 kJ/mol NO(g) + O3(g) ! NO2(g) + O2(g) H = −200 kJ/mol 3O2(g) ! 2O3(g) H = +285.4 kJ/mol

    asked by cheri
  60. ap chemistry

    1.95 mol of an ideal gas at 300 K and 3.00 atm expands from 16 L to 28 L and a final pressure of 1.20 atm in two steps: (1) the gas is cooled at constant volume until its pressure has fallen to 1.20 atm, and (2) it is heated and allowed to expand against a

    asked by cheri
  61. Physics

    Which of the following equations describes the condition for observing the fourth bright fringe in Young's double-slit interference pattern? Assume n = 0 for the central bright fringe. d sinθ = λ d sinθ = 3λ/2 d sinθ = 3λ d sinθ = 4λ

    asked by John
  62. ap chemistry

    Consider the reaction 2 Al2O3(s) -> 4 Al(s) + 3 O2(g) . H = +3339.6 kJ/mol How much heat is generated when 0.455 L of a 3.60 M Al solution reacts with 1.05 mole O2 ?

    asked by cheri
  63. Chemistry

    A sample of air was compressed to a volume of 18.0 L. The temperature was 290.0 K, and the pressure was 6.80 atm. How many moles of gas were in the sample? If the sample had been collected from air at P = 2.0 atm., what was the original volume of the gas

    asked by Kellina
  64. PHYSICS

    A space station shaped like a giant wheel has a radius 105 m and a moment of inertia of 5.09 108 kg · m2. A crew of 150 lives on the rim, and the station is rotating so that the crew experiences an apparent acceleration of 1g. When 100 people move to the

    asked by PLEASE HELP
  65. English

    Read the following lines from “Mother to Son”: So, boy, don’t you turn back Don’t you set down on the steps ‘Cause you finds it kinder hard. What advice is the mother giving with the metaphor used in these lines? A. Son, don’t give up on

    asked by Deborah
  66. ap chemistry

    What is the value of w (work) when 1.3 moles of H2 expands from 25 liters to 50 liters against a constant external pressure of 1 atm, then expands further from 50 to 100 liters against a constant external pressure of 0.1 atm? Answer in calories. Answer in

    asked by cheri
  67. ap chemistry

    How much work is done by the system when 2.00 moles of O2 expand from a volume of 3.00 liters to a volume of 8.1 liters against a constant external pressure of 0.0100 atm? Answer in units of J

    asked by cheri
  68. Physics

    Which of the following equations describe the condition for observing the fourth dark fringe in an interference pattern correctly? d sinθ = λ d sinθ = 4λ d sinθ = 5λ/2 d sinθ = 7λ/2 I would think B but I feel like the answer that has a '4' in it

    asked by Lovely
  69. ap chemistry

    Propane (C3H8) is burned in oxygen to pro- duce carbon dioxide and water. The heat of combustion of propane is -2012 kJ/mole. How much heat is given off when 3.0 mol C3H8 are reacted with 10.0 mol O2? 1. 4024 kJ 2. 2012 kJ 3. 916 kJ 4. 1555 kJ 5. 5122 kJ

    asked by cheri
  70. chemistry

    A TUMS tablet was dissolved in 110.00 ml of 0.1022 M HCl and analyzed for CaCO3 according to the procedure described in the lab manual. It took 7.48 ml of 0.1005 M NaOH to reach the endpoint. Calculate the mass of CaCO3 in TUMS tablet to the correct number

    asked by Ashley
  71. Physics

    Light cannot be linearly polarized by: transmission reflection diffraction diffraction I would think reflection...?

    asked by Physics Failure
  72. AP Statistics

    A Kansas University research station wishes to investigate if a new variety of wheat is more resistant to a disease than an old variety. It is known that this disease strikes approximately 15% of all plants of the old variety. A field experiment was

    asked by Meep
  73. spanish

    Yo juego tenis en la______ de tenis. Question 4 (Fill-In-The-Blank Worth 1 points) Yo juego tenis en la______ de tenis.

    asked by shasha
  74. physics

    If Joe weighs 100N on the moon how much will Joe weigh on earth? N & kg

    asked by desperate
  75. CHEMISTRY

    In each reaction, calculate the moles of product (in parentheses) when 3.00 moles of each reactant is used. A: 4Li+O2 = 2Li2O (Li2O) B: Fe2O3+3H2 = 2Fe+3H2O (Fe) C: Al2S3+6H2O = 2Al(OH)3+3H2S (H2S) Please show work, Thanks

    asked by Boo Boo
  76. Calculus

    An open top box with a square base is to have a volume of exactly 500 cubic inches. Find the dimensions of the box that can be made with the smallest amount of materials.

    asked by Anom
  77. Thermodynamics

    Design Problem- A steam boiler may be thought of as a heat exchanger. The combustion gases may be modeled as a streram of air because their thermodynamic properties are close to those of air. Using this model, consider a boiler that is to convert saturated

    asked by Alyssa
  78. Physics

    A certain lightbulb has a tungsten filament with a resistance of 28 Ω when cold and 144 Ω when hot. If the equation R = R0 [1 + α ∆T ] can be used over the large temperature range involved here, find the temperature of the fila- ment when it is hot.

    asked by Aj
  79. Marh

    What is the reciprocal of 3.75?

    asked by Earl
  80. Math

    Number this column from least to greatest: ounce, kilogram, ton, metric ton, gram, and decagram.

    asked by Losa
  81. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) He was prescribed: Carafate 1 g 4 times daily, 40 minutes after each meal, Reglan 5 mg at bedtime, aspirin p.r.n. B) He was prescribed Carafate 1 g 4 times daily, 40 minutes

    asked by Marie
  82. Thermodynamics

    Design Problem- A steam boiler may be thought of as a heat exchanger. The combustion gases may be modeled as a streram of air because their thermodynamic properties are close to those of air. Using this model, consider a boiler that is to convert saturated

    asked by Alyssa
  83. writing skills

    i need to write a essay on writing skills and writing assignment

    asked by walter
  84. math

    A hardware supplier manufactures three kinds of fasteners, type A,B and C. Production restrictions require it to make 10 units more of type C than the total of the other types and twice as many type B as type A. The shop must produce a total of 490 units

    asked by Anonymous
  85. Physics

    A 5.00 cm tall candle is placed at a distance of 50.0 cm from a double convex lens having a focal length of 15.0 cm. What is the image distance? -21.4 cm 21.4 cm 65 cm 35 cm

    asked by Blegh
  86. Math

    What is the reciprocal of .26

    asked by Barb
  87. Intro to physics

    A space station shaped like a giant wheel has a radius 105 m and a moment of inertia of 5.09 108 kg · m2. A crew of 150 lives on the rim, and the station is rotating so that the crew experiences an apparent acceleration of 1g. When 100 people move to the

    asked by Sam
  88. SAT Essay

    Can someone please critique my essay? Thank you! Assignment: Should people take more responsibility for solving problems that affects their communities or the nation in general? Plan and write an essay in which you develop your point of view in this issue.

    asked by Sanya
  89. Math

    If f(x) + x^(2)[f(x)]^5 = 34 and f(1) = 2, find f '(1).

    asked by Anonymous
  90. PHYSICS

    Two window washers, Bob and Joe, are on a 3.00-m-long, 335-N scaffold supported by two cables attached to its ends. Bob weighs 755 N and stands 1.00 m from the left end,Two meters from the left end is the 500-N washing equipment. Joe is 0.500 m from the

    asked by PLEASE HELP
  91. Grammar and punctuation

    Select the correctly punctuated, spaced, and capitalized format in a medical report. A) REASON FOR CONSULTATION: repeated pregnancy loss B) REASON FOR CONSULTATION: Repeated pregnancy loss C) REASON FOR CONSULTATION: Repeated Pregnancy Loss My answer is B

    asked by Marie
  92. AP Psychology

    In comparison to generalized anxiety disorder, panic disorder is characterized by periods of distress that are more intense and more prolonged. less intense and less prolonged. more intense and less prolonged. less intense and more prolonged. unwanted

    asked by Ashley
  93. INTRO TO PHYSICS

    Each of the following objects has a radius of 0.174 m and a mass of 2.16 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 37.3 rad/s. Find the magnitude of the angular momentum of each object. >Hoop of

    asked by Sandy
  94. math

    Find the relative extrema, if any, of the function. Use the second derivative test, if applicable. (If an answer does not exist, enter DNE.) g(x)=x^3-6x relative maximum (x, y) = ( , ) relative minimum (x, y) = ( , )

    asked by Britney
  95. physics

    Suppose you walk 18.0m straight west and then 25.0 north. How far are you from your starting point and what is the compass direction of a line connecting your startting point to your final position?

    asked by Anonymous
  96. Childhood Education

    Compare the environment for toddlers with one suitable for infants. How are the areas similar? How are they different?

    asked by Brittany
  97. chemistry

    A microwave oven heats by radiating food with microwave radiation which is absorbed by the food and converted to heat. Suppose an oven's radiation wavelength is 12.5 cm. A container with 0.250 liter of water was placed in the oven and the temperature of

    asked by jimmercarbone
  98. algebra 1

    a number decreased by -4 is at least 9

    asked by maria
  99. math

    write a real-world problem involving multiple steps, then solve our problem

    asked by Phyllis
  100. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) The heart is slightly enlarged; his breathing is much worse. B) The heart is slightly enlarged - his breathing is much worse. C) The heart is slightly enlarged his breathing is

    asked by Marie
  101. science

    when phenolphthalein is added to ammonium hydroxide the color of the final solution is pink?

    asked by kleanface
  102. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He re-sent the package. B) He resent the package. My answer was A although B looks like it could be right too

    asked by Marie
  103. math

    Below are the median prices of homes sold in 2009, by region of the country. South 158,300 Northeast 248,800 Midwest 139,500 West 243,200 U.S. 180,100 The median selling price of a home in the South was approximately what fraction of the median selling

    asked by Christina
  104. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) His chief complaints were: impotence, flatulence, and fatigue. B) His chief complaints were: Impotence, Flatulence, and Fatigue. C) His chief complaints were impotence,

    asked by Marie
  105. MATHS

    prove by mathematical induction that 7^n+4^n+1 is divisible by 6

    asked by JESS
  106. calculus

    really stuck on these two, steps would be greatly appreciated. gotta find the derivative thanks! first one: f(t)=2^(log5t) the 5 is the base second one: y=(2(x^2) - 1)^5 /(√(x+1) for the second one you have to use logarithmic differentiation

    asked by nicole
  107. eco/365

    What has been our national policy over mergers and acquisitions? Is it different for horizontal, vertical, and conglomerate mergers

    asked by at
  108. math

    translation rule that maps point D(7, –3) onto point D'(2, 5).

    asked by saudah rashid
  109. Childhood Education

    Compare the environment for toddlers with one suitable for infants. How are the areas similar? How are they different?

    asked by Brittany
  110. Childhood Education

    Can anyone answer this question? Compare the environment for toddlers with one suitable for infants. How are the areas similar? How are they different?

    asked by Brittany
  111. physics

    A 0.104 kg rock is attached to a 1.92 m long string and swung in a horizontal circle at a speed of 29.7 m/s. Find the tension in the string. Neglect the effect of gravity.

    asked by Alyssa
  112. ENGLISH

    Identify the helping verb in the sentence below. We will attend the party if we finish our chores in time. attend finish will will attend I THINK THE CORRECT ANSWER IS C. will.......help please

    asked by Deborah
  113. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) On May 30, he suffered a stroke, although he did not realize it, thankfully, he finally saw a doctor on June 2, or else he probably would have had another stroke. B) On May 30,

    asked by Marie
  114. Physics

    What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45 degrees to the normal? The refractive index of water is 1.333. 32.04 45.00 59.99 33.76 I was thinking A or D

    asked by Derp
  115. math

    Ms.Lecky ordered pizza for a party. 1 5/8 of the cheese pizzas and 2/3 of the ham pizza were not eaten. How much pizza was left?

    asked by Cherie
  116. SAT Essay

    Assignment: Is it important to question the ideas and decisions of people in positions of authority? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading,

    asked by Sanya
  117. INTRO TO PHYSICS

    a) A simple pendulum consists of a small object of mass 3.3 kg hanging at the end of a 2.0-m-long light string that is connected to a pivot point.Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string

    asked by Sandy
  118. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) His surgery is scheduled for 1530. B) His surgery is scheduled for 15:30. C) His surgery is scheduled for: 15:30. My answer is B, C doesn't seem right with the colon at the end

    asked by Marie
  119. ACC305 Accounting for Decision Making

    Describe the complications that arise when LIFO or average cost is used with a perpetual inventory system. Use specific examples and references. The part that I am having trouble with is finding examples. I have the rest of the work done now I just need

    asked by Anonymous
  120. math

    A section of the railway has a slope of about 0.73. In this section, a vertical change of 1 unit corresponds to a horizontal change of what length?

    asked by Michelle
  121. personal finace

    Calculate the return on investment in dollars and as a percentage for an investment that you purchase for $500 and sell for $600.

    asked by Asia
  122. chem

    Is CaCl2 an ionic compound or molecule? plss help. i'm just a little bit confused.

    asked by chemdummy
  123. Cryptology 101

    DES and AES are both “turn the handle” algorithms, in that they use repetition of some number of very similar cycles. What are the advantages to implementer, users, cryptanalysts of this approach?

    asked by Jack
  124. PHYSICS

    A 5.00-g bullet is fired into a 500-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 10.00 cm. What was the magnitude of the momentum of the combined mass immediately after the collision? The Ans is 0.707 kg

    asked by MIKE
  125. algebra

    two bakeries produce three types of cookies, chocolate chip, sugar, and peanut butter. the cookies are produced in batches containing some of each type of cookie. the cooks will not break up a batch, so you must buy an entire batch of cookies if you want

    asked by James
  126. Math

    one Percentage increase / decrease formula in excel that full all the conditions that are mentioned below 2012 2011 1 0 0 2 0 500 3 500 0 4 500 1000 5 1000 500 6 500 (1000) 7 (1000) 500 8 (500) (1000) 9 (1000) (500) Dear its urgent

    asked by Muhammad Ashfaq
  127. Math

    Reasonables: I am between 24 and 34 what number am I

    asked by Christy
  128. Chemistry

    In the ground-state electron configuration of Fe^{3+}, how many unpaired electrons are present? An explanation would be great, thanks.

    asked by Ezra
  129. Intergated chemistry/physics

    Draw a setup containing 3 gears. For every turn of the input gear, you need the output gear to spin 9 times. The drawing doesn't have to be perfect, but make sure to label the input gear, the output gear, and the number of teeth on each gear. Please E-mail

    asked by Laura
  130. physics ..PLEASE HELP ASSIGN DUE SOON :(

    an object on an inclined ramp of mass 1.39kg. The angle of the inclined surface is 29deg with the horizontal. The object on the ramp is connected to a second object of mass 2.17kg on a horizontal surface below an overhang that is formed by the inclined

    asked by Angie
  131. statistik and probability

    n a college class of 250 graduating seniors 50 have jobswaiting. 10 are going to medical school, 20 are going to lawschool, and 80 are going to various other kinds of graduateschools. Select one graduate at random. a. What is the probability that the

    asked by duka urgent
  132. Physics

    A 201-kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.810, and the log has an

    asked by Anonymous
  133. physics

    A car travels at 107 km/h on a level road in the positive direction of an x axis. Each tire has a diameter of 74.0 cm. Relative to a woman riding in the car and in unit-vector notation, what are the velocity at the (a) center, (b) top, and (c) bottom of

    asked by Alexander
  134. Physics

    A 5.00 cm tall candle is placed at a distance of 50.0 cm from a double convex lens having a focal length of 15.0 cm. What is the magnification of the image? -0.429 -2.33 0.429 2.33

    asked by Blegh
  135. college math

    two bakeries produce three types of cookies, chocolate chip, sugar, and peanut butter. the cookies are produced in batches containing some of each type of cookie. the cooks will not break up a batch, so you must buy an entire batch of cookies if you want

    asked by James
  136. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) There is only one alternative to growing old: dying young. B) There is only one alternative to growing old: Dying young. C) There is only one alternative to growing old; Dying

    asked by Marie
  137. Grammar and punctuation

    Select the sentence which is correctly punctuated, spaced, and capitalized. A) The patient will see Dr. Jones, cardiologist, Dr. Green, pulmonologist, and Dr. Frank, physicaltherapist. B) The patient will see Dr. Jones, cardiologist; Dr. Green,

    asked by Marie
  138. Math

    Construct a square ABCD,length of whose one side is 4 cm.

    asked by Bijay
  139. ap chemistry

    A sample of gas in a cylinder of volume 4.09 L at 289 K and 3.43 atm expands to 7.73 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work

    asked by cheri
  140. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) This is a well-developed white female. B) This is a well developed white female. I answered B

    asked by Marie
  141. business

    what is the mining industry in Australia?

    asked by Allee
  142. basic operations and business basics exan 06041500

    do you have a copy of the exam id like to check my answers.

    asked by linda
  143. US HISTORY I

    A New World to the American Revolution Directions: IDENTIFY and give the SIGNIFICANCE of 5 of the 7 terms below. (Caveat! Be thorough! An IDENTIFICATION should answer the four criteria 1.What? 2.Where? 3.When? and 4.Results?, while the SIGNIFICANCE should

    asked by Samantha
  144. Math Solve the following

    Rebekah is an elementary school teacher. She is making an individual craft project kits that requires 2/3 of a cup water to complete. How many cups of water will she nee if she i making the craft project kits for each of he24 students?

    asked by jessica
  145. English (poetry)

    I have to analyze a Shakespearean sonnet, and I understand the meaning however i'm having difficulties identifying similes, metaphors, and personification in it. " When in the chronicle of wasted time I see descriptions of the fairest wights, And beauty

    asked by Analiese
  146. Math

    one Percentage increase / decrease formula in excel that full all the conditions that are mentioned below 2012 2011 1 0 0 2 0 500 3 500 0 4 500 1000 5 1000 500 6 500 (1000) 7 (1000) 500 8 (500) (1000) 9 (1000) (500) Dear its urgent

    asked by Muhammad Ashfaq
  147. Math Solve the following

    Question: 1.Russell has a pipe that is 150 inches long. it must be cut into 3 1/8 inches segments for project. How many segments will he have? 2. Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of

    asked by jessica
  148. maths

    prove by mathematical induction that 7n+4n+1 is divisible by 6

    asked by GEMMA
  149. physics

    A block weighing 11.05 N rests on a 28 degree incline. (a) Find the normal force exerted by the plane on the block out of the plane (b) Find the frictional force exerted by the plane on the block up the slope. c) Find the magnitude of the total force

    asked by anthony
  150. Physics HELP!!

    two horizontal forces F1 and F2, acting on an object of mass 1.11kg. The magnitude of F1 is 27.56N. The object moves strictly along the horizontal x-axis, which we choose as positive to the right. Find the magnitude of F2 if the object has a horizontal

    asked by Angie
  151. physics

    An object of mass 26 kg is thrown straight upwards from the ground at 27 m/s. Due to air resistance (a non-conservative force), the object loses some of its initial energy during its trip to reach maximum height and only travels to a height above the

    asked by Chelsea
  152. physics

    An object with a mass of 3.4 kg is originally at rest on a horizontal, frictionless surface frictionless which is at the top of a frictionless incline with a length of 6 meters which is inclined at 28.9 degrees. Someone's hand applies a force to the object

    asked by Chelsea
  153. ENGLISH

    Choose the correct vocabulary word for the following sentence: “We know the stranger came from a distance because of the _______ he spoke.” (1 point) criteria figurative language dialect I THINK IT IS DIALECT?

    asked by Deborah
  154. Physics

    An object is dropped from a cliff thatis 256 m above the sea. just prior to splashing into the water, how fast is it going? How long did it take to fall?

    asked by Monica
  155. Civics

    I have to place President Obama and Governor Romney on the political spectrum. It pretty much looks like a graph and one side is social and one side is economical. I'm having issues placing them. Where would Obama be and where would Romney be? Thanks

    asked by Allyson
  156. AP Statistics

    A local McDonald's manager will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns finds 13 crushed buns. A 5% significance test is conducted to determine if the shipment should be accepted. The p value

    asked by Meep
  157. Science

    Describe the steps in the process by which nitrogen from fertilizer used on farmlands located many miles away ends up in the Mississippi River

    asked by :D
  158. Math

    Solve the problem. Estimate to check your solution is reasonable. 1. During a 1 hour phone in talk show eight callers made calls hat took 3 1/4 minutes each. a) How many minutes were used by the eight callers? b) what fraction of the hour was used by

    asked by Cherie
  159. Math

    A dock is 7 3/4m high. The portion of the dock above water one day was measured at 2 2/5 m high. How much of the dock structure was below water that day?

    asked by Cherie
  160. math

    Russell has a pipe that is 150inches long. It must be cut into 3 1/8 inch segments for a project. How many segments will he have?

    asked by Jessica
  161. math

    Lily, Jane & Betty gave away 224 balloons at a carnival. Lily gave away 4 times as many balloons a Betty while Jane gave away half as many balloons as Lily. How many balloons did Jane give away?

    asked by Angel
  162. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) His step-daughter is 13 years old. B) His stepdaughter is 13 years old. I answered A

    asked by Marie
  163. physics

    A typical color television draws about 2.8 A when connected to a 145 V source. What is the effective resistance of the T.V. set? Answer in units of Ω.

    asked by Aj
  164. Physics

    An object with a mass of 12 kg slides 9 meters across a horizontal surface with a coefficient of kinetic friction of 0.22. For the duration of the slide an external force, F1, with a magnitude of 43 Newtons acts on the mass in the positive y direction

    asked by Chelsea
  165. Physics

    An object with a mass of 12 kg slides 9 meters across a horizontal surface with a coefficient of kinetic friction of 0.22. For the duration of the slide an external force, F1, with a magnitude of 43 Newtons acts on the mass in the positive y direction

    asked by Chelsea
  166. math

    write in simplest form: the ration of 28 feet to 49 feet

    asked by candace
  167. Math

    If you have a $46.75 Markup on a product , What would the percentage of this markup be?

    asked by Denyse
  168. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) The cancer was in the cul-de-sac. B) The cancer was in the cul de sac. I answered A, B just doesn't look right

    asked by Marie
  169. elementary

    explain it jake says that adding 0 does not change a sum.is he correct?explain.

    asked by josh
  170. Chemistry

    A 7.30-L container holds a mixture of two gases at 45 °C. The partial pressures of gas A and gas B, respectively, are 0.342 atm and 0.527 atm. If 0.250 mol a third gas is added with no change in volume or temperature, what will the total pressure become?

    asked by Garcia
  171. elementary

    nuber sense minnie has 6 county cds and 5 rock cds.amanda has 5 rock cds and 6 country cds.who has more cds?explain.

    asked by josh
  172. algebra 1

    Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7

    asked by Janet
  173. calculus

    really stuck on these two, steps would be greatly appreciated. gotta find the derivative thanks! first one: f(t)=2^(log5t) the 5 is the base second one: y=(2(x^2) - 1)^5 /(√(x+1)

    asked by nicole
  174. Math

    can somebody please help me answer this. Thank you.Rebeckah is an elementary school teacher. she is making an individual craft project kits that requires 2/3 of a cup of water to complete. How many cups of water will she needs if she is making the craft

    asked by jessica
  175. Calculus

    1. Determine whether Rolle's Theorem applied to the function f(x)=((x-6)(x+4))/(x+7)^2 on the closed interval[-4,6]. If Rolle's Theorem can be applied, find all numbers of c in the open interval (-4,6) such that f'(c)=0. 2. Determine whether the Mean Value

    asked by Rudy
  176. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He has a 150-pack-year smoking history. B) He has a 150 pack year smoking history. I answered B

    asked by Marie
  177. math

    sort these numbers 5 10 16 19 24 37 40. describe sort rule

    asked by mythreyee
  178. MATH

    CALCULATE $310 LOAN AT THE RATE OF 12% PER YEAR. HOW MUCH INTEREST IS OWED FOR 4 MONTHS

    asked by booker
  179. physics

    helicopter at rest, uniformly accelerates upwards. After 25s flare fired horizontally from the heli. flare measured to 8s to reach the ground. a)What is the acceleration of the helicopter b) height of the helicopter the instant the flare reached the

    asked by Anonymous
  180. physics ..PLEASE HELP ASSIGN DUE SOON :(

    Forces of 11.1N north, 19.9N east, and 14.0N south are simultaneously applied to a 3.62kg mass as it rests on an air table. What is the magnitude of its acceleration? I already did this part and i got 5.56 m/s^2 BUT PLEASE HELP ME WITH part b!! b)What is

    asked by Angie
  181. All??

    Can anyone tell me where to find a website for a free answer key for 2012 mosby's nursing assitant Workbook??

    asked by Pango
  182. English

    1. At Thanksgiving Americans eat a roast turkey. 2. On Thanksgiving Americans eat a roast turkey. (Which preposition, do we have to use 'at' or 'on' before 'Thanksgiving'? Are both OK?) 3. on/at the weekend 4. on/at Sunday 5. on/at New Year's Day 6. on/at

    asked by rfvv
  183. Physics

    Given that the Sun has a mass 333,000 times larger than Earth’s mass and Earth has an average distance of 1.49 x 1011 m from the Sun, at what distance from the Sun is the center of mass of the Earth-Sun system? a. 1.00 m b. 4.47 x 105 m c. zero d.

    asked by Tiffany
  184. biology

    what is the function of the diaphragm?

    asked by jessica
  185. English

    3. Which line from the stanza most effectively indicates that the singer has no direction in his life? a. Headed for the Frisco Bay. b. Looks like nothing’s gonna come my way. c. I’m sittin’ on the dock of the bay wastin’ time.

    asked by Jman
  186. Math

    1. 13/5x25/39= 2.4 3/7 devide 7/7= 3.105/31 devide 5/62= 4.5 5/9x 90/100= 5. 8/7x 5/12x 3/10= 6.8x3/7=

    asked by jessica
  187. For: Ms. Sue, Steve, Writeatecher, Dr.Bob222

    Hi everyone i wrote in the heading. I just want ed to say thanks for all the help you give me. I know sometimes I may get on your nerves or be annoying, and I just wanted to say sorry. Also thank you once agian for all the help.

    asked by Jman
  188. eco/365

    What does our government hope to achieve through the use of its antitrust policy? Is it getting softer or harder of late?

    asked by at
  189. statistics

    Let x be a continuous random variable that is normally distributed with a mean of 65 and a standard deviation of 15. Find the probability that x assumes a value less than 44.

    asked by Anonymous
  190. math

    12.value: 10.00 points Joanne Flynn bought a new boat for $15,400. She put a $2,600 down payment on it. The bank’s loan was for 46 months. Finance charges totaled $4,859.86. Assume Joanne decided to pay off the loan at the end of the 24th month. (Rule of

    asked by Anonymous
  191. science

    what is a ph scale? what is a acid? what is alkalis? what acid and alkais can you find around the house? (put pictures to go with this). when u are giving an explanation of what ph scale, acid and alkalis mean plz be as clear as possibe, use understandable

    asked by denessta
  192. math

    2/5 out of 1300 students participated in a soccer game. How many participated. My answer is 520, am I correct. Thanks

    asked by Americal
  193. Jr. Math

    FIND THE AREA OF A GARDEN THAT MEASURES 31/4 BY 4/5 YARDS. AREA=LXW. i GOT 23/5 AM I CORRECT. THANKS IN ADVANCE

    asked by Americal
  194. college math

    a math student borrowed $9300.00 from his local bank at 7% compounded quarterly to pay for his studies. the loan is to be repaid by equal payments at the end of every quarter over a two year term. a)construct the amortization schedule for the loan.

    asked by sasha
  195. physics

    State keplers law of planetary motion

    asked by bina
  196. AP Physics

    A curve in a road is banked. There is a car on the curve. What is the component of its weight parallel to the incline? The acceleration of gravity is 9.8 m/s 2 . Answer in units of N Mass of Car: 1.5Mg coefficient of friction: 0.17 theta: 25 degrees

    asked by Noah
  197. Algebra

    solve : 5x-10y=-40 for y I was thinking it was 5x-10(-40)...then solve am I close?

    asked by Deborah
  198. Algebra

    2x+3 over 4 = x over 4

    asked by Deborah
  199. english

    Similarities between The Storm by Mcknight & Once upon a time by Nadine Gordimer?

    asked by Aman
  200. recipe

    Can someone post me an easy short recipe and supplies/ingrediants needed to make a cake pop?

    asked by Celest
  201. math

    if tommy goes to the store one day and get a cheeseburger for $5.00 and come back and gets a burger for $8.00 and fries with and a shake milk shake and is left with on the .03 and started off with $40.00.How is that possible if all he got was the items

    asked by Sexafinfina
  202. 5th Grade word problems

    Mary is 1/6 the age of her mother this year. Next year she will be 1/5 the age of her mother. In how many years will she be 1/3 her mother's age.

    asked by Anonymous
  203. 5th grade math word problems

    One packet of sweetner is 1 gram and has 4 calories. If Joan uses 4 grams each workday, Monday through Friday, and half as much each weekend day, how many calories does she use for sweetner each week?

    asked by Anonymous
  204. physics

    define the term torque or moment of force. Give its units and dimensions

    asked by kanika
  205. business

    What are the major industries in Australia?

    asked by Allee
  206. DMA 020

    What fraction with a denominator equal to 108 is equivalent to 5/9

    asked by Kestora Dean
  207. Math

    Hi Ms. Sue I got 34 for answer c and 17/30 for answer d Thanks for your help, much appreciated

    asked by Cherie
  208. Social Studies

    What was the role of slavery in the rise and fall of the American Nation?

    asked by Ryan
  209. pre-algrebra

    needing to solve word problems with linear equatios, if there something to help work into them?

    asked by aaron
  210. math

    Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March

    asked by kay
  211. physics

    a new brand of solar panel generates 500 watts of electrical energy. how much energy would it produce after 24 years."

    asked by Alex Reynolds
  212. math

    Two runners start moving from the same point A on a circular track but in oppostite directions. Their speeds are 5 ft. per second and 9 ft. per second. If they start at the same time and finish when they first meet at point A again, how many times do they

    asked by sydney
  213. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) This white female, gravida 32, para 4, is well-developed. B) This white female, gravida 32, para 4, is well developed. I answered A

    asked by Marie
  214. math

    A product costs $42.75 per unit and we sell each unit for $78.42 there is a difference of $35.67. What is the percentage of the markup? Thank you.

    asked by Denyse
  215. algebra 1

    Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7

    asked by Janet
  216. Math

    A line has a slope of 6/7 and a y-intercept of -5. Which of the following is the equation of the line? 7x - 6y = -35 7x - 6y = -5 6x - 7y = 35 6x - 7y = -35 I'm honestly not sure with this, I'm thinking that it's 7x - 6y = -5.. Not sure though. Also, could

    asked by L
  217. Math (Finance)

    You have a note in the amount of $10,000 at 9.5% interest running from january 5. to april 16 a. calculate the ordinary intrest. b. calculate the exact interest.

    asked by Renee
  218. science

    how is the menan buttes likely to look in future geologic ages

    asked by cameron white
  219. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He self-medicated his migraine headache. B) He self medicated his migraine headache. I answered A

    asked by Marie
  220. science

    i mean how is an franken storm form

    asked by venus
  221. geometry

    what did mrs. clause say during the thunderstrom

    asked by Anonymous
  222. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He will follow-up in 4 weeks. B) He will follow up in 4 weeks. My answer is B

    asked by Marie
  223. criminal justice

    Zoë came racing into the police station, bedraggled and obviously traumatized. She told the officer at the desk that her ex-husband had held her hostage for the past two hours. He had a gun and kept it in plain sight the whole time. The incident occurred

    asked by Shardae
  224. math

    find an equation of the tangent line to the graph of y=e^(2x-3) at point (3/2,1) thanks!

    asked by matthias
  225. algebra

    3-10+9X7= simpilfied

    asked by breauna
  226. chemistry

    I want to make a 3% potassium sulphate solution. How many grams or mg I need per 100 ml

    asked by Leo
  227. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He was one-half hour late. B) He was one half hour late. I answered A

    asked by Marie
  228. college algebra

    For the given equation list the intercepts. Y= -2X/(X^2+1) I think I Have this right I am not for sure? y=-2x/(x^2+1) (0)=(-2x/x^2+1) -2x/x^2+1=0 -2/x+1=0 -2/x+1+0 -2/x*x+1*x=0*x -2+x=0 x=2 y-intercept y= -2*0/(0)^2+1 y=o/0^2+1 y=0+1 y=0/0+1

    asked by ladybug
  229. Grammar and hyphens

    Select the sentence which is correctly punctuated. A) He used 1- and 2-inch bandages. B) He used 1 and 2-inch bandages. I answered A

    asked by Marie
  230. chemistry

    can you please answer this question. "The concentration of acetic acid in commercially available white vinegar is reported to be 5 % w/v. determine the molarity of the solution"

    asked by sutha
  231. elementary

    third grade project in order to enhance our unit on inspired by the sea.home research project on an ocean animal of their choosing.please help me.any links

    asked by swetha
  232. health

    what is the general purpose special sense organs?

    asked by jessica
  233. MATH

    IF YOU DIVIDE PARK A(656 AREA SQ MI)INTO 32 EQ.PARTS, EACH CONTAINING A WHOLE # OF SQ. MI. HOW LARGE WOULD EA. PART BE? HOW LARGE WOULD THE REMAINING AREA BE?

    asked by ERNEST
  234. physics

    A spherical generator is used to produce a -15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?

    asked by Someone please help!
  235. biology

    how does the bladder act in elimination?

    asked by jessica
  236. akgebra

    when do you reverse an inequality sign?

    asked by Daniel
  237. statistics

    An archer normally hits the target with probability of 0.7. She hires a new coach for a series of special lessons. After the lessons she hits the target in eleven out of fourteen attempts.

    asked by Anonymous
  238. englsih writing tips

    So I really want my writing to improve. My teacher is extremely critical on people's writing. I know this is to help us but I feel incredibly stupid when she covers my paper with harsh comments. I just want her to like something in my writing. I feel like

    asked by Carrie
  239. algebra 1

    Solve the following system of linear equation using any algebraic method. 2x+5y=3 X-3y=7

    asked by Janet
  240. Physics HELP!!

    A 7.37kg fish is held by a taut string. If the fish is accelerated upward at a rate of 3.62m/s^2, what would be the tension in the string?

    asked by Angie
  241. Physics

    When we lauch a space shuttle will it go with Earths rotationor would it go opposite?

    asked by Catherine
  242. physics

    A block weighing 11.05 N rests on a 28 degree incline. (a) Find the normal force exerted by the plane on the block out of the plane (b) Find the frictional force exerted by the plane on the block up the slope. c) Find the magnitude of the total force

    asked by Anthony
  243. physics

    A mass of 2.9 kg is hanging vertically from a string with a length of 2.4 meters. It is then raised to an angle of 50 degrees with the vertical and given some velocity, v. If the string breaks at a tension of 163.8 Newtons, what is the maximum value for v

    asked by Chelsea
  244. English

    How can I make this sentence better for my objective on my resume. To obtain an administrative assistant position where my professional skills will be used to the fullest.

    asked by Angela
  245. physics HELP

    Im having problems getting the magnitude of the force in the problem i asked below i got the frictional and normal force please help me put these equations together

    asked by Anthony
  246. math

    You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has requested to be paid $9.00 per hour. Your

    asked by Anonymous
  247. algebra 1

    Solve the following systems of linear equations using algebraic method. 1)3y=11-2x 3x=y-11 2)8x-6y=14 12x-9y=18

    asked by Janet
  248. English

    how has China's policies on population growth changed over the years?

    asked by Katey
  249. physics

    State law of orbit?

    asked by bandana
  250. algebra

    Solve: 2(2-x)

    asked by Deborah
  251. physics

    a car left panel at 12:35h and arrived in place x at 03:10h it travelled at average speed of 45 km per hr. calculate the distance from penal to place x ?

    asked by Anonymous
  252. algebra

    Solve the quadratic equation by completing the square. -3x^2+9x=1 Not sure how to do these, if someone could expplain.

    asked by Lee
  253. math

    (7-2x)(4+x)

    asked by tiffany