Questions Asked on
October 29, 2012

  1. Chemistry

    If l=1, what can you deduce about n? n=1 n>1 n>or equal to 1 nor equal to 3 l

    asked by Anonymous
  2. algebra

    Which steps transform the graph of y=x^2 to y=-2(x-2)^2+2. a) translate 2 units to the left translate down 2 units stretch by factor 2 b)translate 2 units to the right translate up 2 units stretch by the factor 2 c)reflect across the x-axis translate 2

    asked by Lee
  3. Math

    1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21

    asked by This Girl
  4. physics

    A 4.20-kg watermelon is dropped from rest from the roof of a 28.0-m -tall building and feels no appreciable air resistance. Calculate the work done by gravity on the watermelon during its displacement from the roof to the ground. Just before it strikes the

    asked by clariza gonzalez
  5. Chemistry (College) URGENT

    1.6g of an unknown monoprotic acid (HA) required 5.79 mL of a 0.35 M NaOH solution to reach the equivalence point. Determine the molar mass of the acid and given that the pH at the half way point to the equivalent point is 3.86. Calculate the Ka of the

    asked by Tiffany
  6. math

    at a baseball game, there were three times as many males as females. 5/6 of the males were boys and the rest were men. 2/3 of the females were girls and the rest were women. Given that there were 121 more boys than girls, how many adults were there at the

    asked by scoob
  7. Physics, newtons laws

    A 20.0 gram mass is attached to a 120 com long string. It moves in a horizontal circle with a constant speed of 1.50 m/s. What is the degree is angle between the pole and the string?

    asked by Naf
  8. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum

    asked by Anonymous
  9. Chemistry

    Determine how many mL of solution A (acetic acid-indicator solution) must be added to solution B (sodium acetate-indicator solution) to obtain a buffer solution that is equimolar in acetate and acetic acid. Solution A: 10.0 mL 3.0e-4M bromescol green

    asked by Jake
  10. Physics

    Two blocks of masses m1 = 2.00 kg and m2 = 3.70 kg are each released from rest at a height of h = 5.60 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. (Let the positive direction point to the right.

    asked by Jessica
  11. biology

    Choose the total number of each item requested below. 4C6H12O6 Carbon atoms Hydrogen atoms Oxygen atoms Molecules

    asked by Anonymous
  12. fractions

    at a concert 2/5 of the people were men, there were 3 times as many women as children, ithere were 45 mor men than children, how many people were there at the concert

    asked by Anonymous
  13. statistics

    A researcher is interested in estimating the average salary of teachers in a large urban school district. She wants to be 95% confident that her estimate is correct. If the standard deviation is $1050 (σ = 1050), how large of a sample is needed to be

    asked by jr
  14. physics

    One billiard ball is shot east at 2.1 . A second, identical billiard ball is shot west at 0.80 . The balls have a glancing collision, not a head-on collision, deflecting the second ball by 90 and sending it north at 1.47 .

    asked by Anonymous
  15. Calculus

    An open top bos with a square base is to be constructed from 192 sq ft of material. What should be the dimensions of the box if the volume is to be a maximum? What is the maximum volume?

    asked by Derek
  16. Physics

    How much higher must your blood pressure get to compensate for a 5% narrowing in your blood vessels? Using Bernoulli's fluid laws can someone explain this to me "The pressure difference across your blood vessels is essentially equal to your blood pressure"

    asked by Anonymous
  17. Chemistry

    The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 E -11 n 2 E -5 n 3 E -2 n 4 E -1 n ... E ... n infinite E 0 A gaseous sample of this element is bombarded by photons of various energies (in these same

    asked by Anonymous
  18. meth

    how many equal line segments are needed to make a row of 25 triangles

    asked by Anonymous
  19. math

    3/4 of the students in a school were girls and the rest were boys. 2/3 of the girls and 1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.

    asked by Nai
  20. physics

    A traffic light hangs from a pole as shown in the figure(Figure 1) . The uniform aluminum pole AB is 7.50 long and has a mass of 15.0 . The mass of the traffic light is 23.5 . Determine the tension in the horizontal massless cable CD. Determine the

    asked by Rosanna
  21. algebra

    what is the equation in standard form of a parabola that contain the following points? (-2,-20),(0,-4),(4,-20) Please Help

    asked by Lee
  22. Medical Assistant

    A 66-year-old Medicare patient came to the office for his annual physical. He has past history of hypertension, controlledy by medication, and new complsints of dizziness and tiredness. During the course of the examination the physician found BP of

    asked by Tonza
  23. chem

    Because the oxide ion is basic, metal oxides react readily with acids. (a) Write the net ionic equation for the following reaction. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.) FeO(s) + 2 HClO4(aq)

    asked by rebekah
  24. CHEMISTRY: URGENT

    30cm^3 of a mixture of methane and ethane were mixed with 100cm^3 of oxygen at ordinary temperature and pressure and exploded. After cooling the residual gases occupied 61.5cm^3. Find the percentage by volume of each gas in the mixture, methane (CH4) and

    asked by LC
  25. Physics- Someone Please Help!!!

    A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is

    asked by Shannon
  26. Physics, newtons laws

    A bullet is fired with a certain velocity at an angle above the horizontal at a location where g= 10.0 m/s^2. The initial x any components of its velocity are 86.6 m/s and 50 m/s respectively. How long does it take before the bullet hits the ground?

    asked by Naf
  27. chemistry

    Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answers for the ionic equation and ksp values are CaF2(s)Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 ksp=2.02*10^-4 it asks what will happen to the

    asked by Ashlee
  28. Chemistry

    Given a saturated solution of CaF2, write the ionic equilibrium and use it to calculate the solubility of CaF2. My answer for the ionic equation is CaF2(s)Ca2+(aq)+ 2F-(aq) Ksp= [Ca2+][F-]2 the given ksp is 3.32*10-4 how do i figure out the solubility?? i

    asked by Maggy
  29. algebra

    You throw a rock off the balcony overlooking your backyard the table shows the height of the rock at different times use quadratic regressin to find a quadratic model for this data. time 0 1 2 3 4 5 height 24 44.2 54.8 55.8 47.2 29 would someone explain

    asked by Lee
  30. Chem

    The following substances undergo complete combustion in a bomb calorimeter. The calorimeter assembly has a heat capacity of 5.136 ^ C. In each case, what is the final temperature if the initial water temperature is 22.37^ C? 0.3268g caffeine, C8H10N4 (heat

    asked by Alex
  31. General Chemistry I

    The tomato is dropped. What is the velocity, , of the tomato when it hits the ground? Assume 82.7 of the work done in Part A is transferred to kinetic energy, , by the time the tomato hits the ground. Express your answer numerically in meters per second.

    asked by Taylor
  32. Physics

    A man drags a 71.5-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. The crate is tilted 27.0° above the horizontal, and the strap is inclined 66.5° above the horizontal. The center of gravity of

    asked by Sam
  33. Math

    A plane flying at an altitude of 10,000 feet begins descending when the end of the runway is 50,000 feet from a point on the ground directly below the plane. Find the measure of the angle of descent (depression) to the nearest degree.

    asked by Austin
  34. Physics

    A square loop 10cm on a side carries a current I' = 1A, and is placed 10cm away from a long,straight wire of current I = 10A, which is in the plane of the loop. Calculate the net force on the loop (in Newtons). Is the loop attracted to or repelled from the

    asked by Zom
  35. Chemistry

    A sample weighing 3.064 g is a mixture of Fe2O3 (molar mass = 159.69) and Al2O3 (molar mass = 101.96). When heat and a stream of H2 gas is applied to the sample, the Fe2O3 reacts to form metallic Fe and H2O(g). The Al2O3 does not react. If the sample

    asked by Chris
  36. algebra

    the speed of light is about 1.86 x 10^5 miles per second. find the speed of light in (a) km per second, (b) km/min, (c) m/h. (a mile is approximately 1.61 km.)

    asked by sella
  37. Physics- Elena please help!

    A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.420. The turntable starts from rest at t = 0 and rotates with a constant angular acceleration of 0.650 rad/s2. (a) After

    asked by Stan
  38. Microeconomics

    CompStrat Corporation’s total cost function (where TC is total cost in dollars, and Q is quantity) is TC = 200 + 10Q + 2Q2 If the firm is a price taker and if the price of its product is $20, what is its optimal output?

    asked by Anonymous
  39. TRIG HONORS CH: 5.8

    a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?

    asked by Ashley
  40. accounting

    The monetary contributions that the owners of IBM pay for shares of the company's stock are ____ resources for IBM. a. material b. financial c. human d. informational e. manufacturing Patents and copyrights confer value on a firm but do not exist

    asked by Steven
  41. chemistry

    Suppose that you have an unlimited supply of copper 2 chloride to react with iron. How many moles if copper would be produced by 34.0 grams of iron with the copper 2 chloride solution

    asked by shelbie
  42. chemistry

    Suppose that you have an unlimited supply of copper 2 chloride to react with iron. How many moles if copper would be produced by 34.0 grams of iron with the copper 2 chloride solution

    asked by shelbie
  43. Chemistry

    If the density of gasoline is 0.66 g/ml , how many kilocalories of energy are obtained from 2.7gal of gasoline? note:When 1.0g of gasoline burns, 11,500 kcal of energy are given off.

    asked by Renee
  44. Physics

    A box is sliding up an incline that makes an angle of 13.0° with respect to the horizontal. The coefficient of kinetic friction between the box and the surface of the incline is 0.180. The initial speed of the box at the bottom of the incline is 1.80 m/s.

    asked by Anonymous
  45. physics

    Jeff of the Jungle swings on a vine that is r = 6.40 m long. At the bottom of the swing, just before hitting a tree, Jeff's linear speed is 7.10 m/s.

    asked by Jeff of the Jungle swings on a vine that is r = 6.
  46. chemistry

    consider the following equilibrium: Mg(OH)2(aq) Mg2+ (aq) + 2OH-(aq) a) what would happen to the equilibrium if some acid is added to the soultuion? --->OH- would increase causing Mg(OH02 to dissolve b) what would happen to the solubility of Mg(OH)2? --->

    asked by Ashlee
  47. Analogies PLEASE HELP!

    insolvent : rich :: penniless : _________ mischief : violence :: _______ insult squirrel : nuts :: _________ : money pebble : _________ :: minnow : fish blush : embarrassed :: fume : __________ _________ : drip :: mitt : baseball perfume : fragrant ::

    asked by Maryam :)
  48. physics

    brakes are applied in bringing in a 1200-kg car moving at 25 m/s to rest in 20.0 s. show that the amount of braking force is 1500n.

    asked by jasmin
  49. CHEM!

    A gas mixture contains 0.60 mol of N2, 0.10 mol of H2, 0.20 mol of CH4. Calculate the pressure of the gas mixture and the partial pressure of each constituent gas if the mixture is in a 6.0 L vessel at 27C. What is the: Total pressure Pressure of H2

    asked by David
  50. Physics- Elena please help!!!!

    A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/ min. When switched off, it rotates through 41.0 revolutions before coming to rest. (a) Find the angular speed in rad/s. (b) Find the displacement in radians. (c) Find the

    asked by Tom
  51. Physics- Elena please help!

    A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at

    asked by Stan
  52. Physics- Elena please help!

    A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Meg
  53. math

    two forces, one of 35 pounds and the other 62 pounds, act upon the same object. The angle between these forces is 25 degrees. Find the magnitude of the resultant force.

    asked by Noah
  54. algebra

    Suppose a parabola has a vertex (-4,7) and also passes through the point (-3,8) Write the equation of the parabola in vertex form. f(x)=a(x-h)^2+k I believe h=-4 k=7 Not sure what to do from here.

    asked by Lee
  55. Calculus

    If the line 3x-4y=0 is tangent in the first quadrant to the curve y=x^3+k, then k is a: 1/2 b: 1/4 c: 0 d: -1/8 e: -1/2

    asked by Rudy
  56. Physics- Elena please help!

    A coin rests 18.0 cm from the center of a turntable. The coefficient of static friction between the coin and turntable surface is 0.420. The turntable starts from rest at t = 0 and rotates with a constant angular acceleration of 0.650 rad/s2. (a) After

    asked by Anonymous
  57. Chemistry

    I conducted a lab in which I had to calculate the number of moles of water heated off from copper sulfate. I first weighed copper sulfide in a beaker to in order to get the amount needed to begin the heating of it. If the beaker was wet at the beginning of

    asked by Jeannie
  58. Business Operations

    I am wondering if someone could let me know whether my calculations for the critical ratio is correct. I've included the problem and my portion of the work I'd like some help on. Hi-Ho Yo-Yo, Inc. It was a little past 9:00 on a Monday morning when Jeff

    asked by HJ
  59. Sociology

    In the twentieth centruy, which country had a caste system based on race? a. India b. the USA c. South Africa d. a and b only e. b and c only

    asked by Bill
  60. TRIGONOMETRY

    a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?

    asked by NATO
  61. physics

    A 1500-N uniform boom at = 61.0° to the horizontal is supported by a cable at an angle θ = 29.0° to the horizontal as shown in the figure below. The boom is pivoted at the bottom, and an object of weight w = 2350 N hangs from its top.

    asked by ashley
  62. GEOMETRY

    ABCD is a cyclic trapezium whose sides AD and BC are parallel to each other .If angle ABC = 72 degree then what is the measure of the angle BCD .

    asked by ANIMESH
  63. Physics

    An electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350N and the box accelerates at 1.2m/s^2[forward] for 5.0s. The cable breaks and the box slows down and stops. How far does the box travel from

    asked by Lala
  64. Physics URGENT!!!

    : A massless spring of constant k =84.8 N/m is fixed on the left side of a level track. A block of mass m = 0.5 kg is pressed against the spring and compresses it a distance d, as in the figure below. The block (initially at rest) is then released and

    asked by Meg
  65. World History

    1. Write a short paragraph that traces the rise of Japan from an isolated society to a major industrial and imperial power. You will be graded on content as well as grammar, usage, and mechanics.

    asked by Anonymous
  66. Math 8R: Homework Check - Part 4

    Part 4: Translate and solve: 25. 6 less than twice a number is ten Answer : 2n - 6 = 10 (answer: n = 8) 26. The quotient of a number and 4 plus 3 is 8 Answer: n/4 + 3 = 8 (answer: n = 29) 27. 4 less than three times a number is -28 Answer: 3n - 4 = -28

    asked by Laruen
  67. SCIENCE

    Identify the primary biological foundations of psychology linked to behavior.

    asked by jOE
  68. Math problem

    Mrs. Jones owns 4/7 of the stock in a small business and Mrs.Brown owns the rest. Mrs. smith agrees to give $21,000 in exchange for 1/3 of the stock. The $21,000is to be divided between Mrs. jones and Mrs. Brown so that all three will now have equal share

    asked by Kevin
  69. Physics

    An electric motor is used to pull a 125 kg box across a floor using a long cable. the tension in the cable is 350N and the box accelerates at 1.2m/s^2[forward] for 5.0s. The cable breaks and the box slows down and stops. How far does the box travel from

    asked by Lala
  70. Poem Help

    Wishing Well by Kate Schmitt The mesh of the blanket tangles and lumps of comforter two-toned flannel and bedspread twist and slip. I haven't slept in a week so i wear my brown hooded sweatshirt with the hoodstrings pulled tight around my face. I picture a

    asked by Jman
  71. Statistics

    An instant lottery game gives you probability 0.023 of winning on any one play. Plays are independent of each other. If you play 2 times, the probability that you win on one or more of your plays is about? (±0.0001) Thank you!

    asked by Johnny
  72. physics

    A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction is 0.40. An 80 kg block is suspended from the top rung of the

    asked by george
  73. algebra

    What is the equation in standard form of a parabola that models the values in the table? x -2 0 4 f(x) 1 5 -59

    asked by jayson
  74. Chemistry

    1. How would using 0.42 g CH3CO2Na * 3H2O instead of the amount called for in the procedure change the theoretical yield of Fe(C5H7O2)3 = 3.53g. 2. When a student sees crystals form after she added a few drops of water to the filtrate. Need chemical

    asked by Anonymous
  75. Physics

    Which of the following is an example of diffuse reflection? light reflected from the surface of a dry asphalt roadway light reflected from the surface of a calm lake light reflected from the surface of glossy paper light reflected from the surface of a

    asked by Confused
  76. Calculus

    A rectangular cardboard poser is to have 150 sq ft in for printed matter. It is to have a 3inch margin at the top and bottom and a 2inch margin at the right and left. Find the dimensions of the poser so that the amount of cardboard used is minimized.

    asked by Jake
  77. elementary

    write a problem write a word problem involving the number of pages in a book.then write the numerical expression that you would need to use to solve your problem.

    asked by swetha
  78. trig

    a ship leaves port with a bearing of S 42deg W after traveling 7 miles, the ship turns 90deg and travels on a bearing of N 52deg W for 10 miles at that time, what is the bearing of the ship to the port?

    asked by Selena
  79. Chemistry

    If the reaction does not go to completion, how would this affect the experimentally determined number of molecules of water in the hydrate. Increase, decrease, or no affect? Explain.

    asked by Jeannie
  80. Momentum ~ Physics

    A 25-g bullet is fired at 150 m/s into a 2.0-kg block of wood hanging from a string 3.0 m long. The bullet becomes imbedded in the block. To what height do the bullet and block swing?

    asked by Booker Perry
  81. algebra

    What is the equation in standard form of a parabola that models the values in the table? x -2 0 4 f(x) 1 5 -59 Please help.I have somewhat of an idea a(-2)^2+b(-2)+c c=1 a(0)^2+b(0)+c= c=5 a(4)^2+b(4)+c c=-59 4a+2b+c=1 0a+0b+c=5 16a+4b+c=-59 4a-2b+5=0

    asked by Lee
  82. math

    express the sum of difference in simplest form 1-1/6-11/18=

    asked by andrea
  83. Chemistry

    You have amisture that is 0.100mol/L in each of the following ions: Cl-, Br-, and I-. (a) Which substance will precipitate first? AgCl, AgBr, AgI? (b)what is the concentration of Ag+ required to start the precipitation of the first substance? ksp (AgCl)=

    asked by Maggy
  84. Calc

    Find the linearization L(x) of the function at a. f(x) = x^1/2, a = 25

    asked by Anonymous
  85. english

    Which of the following statements is NOT true of realism?

    asked by dionte
  86. Physics, newtons laws

    A 50kg block is being pulled up a 13 degree slope by a force directed 30 degrees above the slope.? The coeffcienct of kinetic friction between the block and the slope is 0.200. What is the minimum force required for the block to continue to slide up the

    asked by naf
  87. physics

    brakes are applied in bringing in a 1200-kg car moving at 25 m/s to rest in 20.0 s. show that the amount of braking force is 1500n.

    asked by jasmin
  88. Chem Lab Help

    Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass system after

    asked by Tyler
  89. History/English

    This assignment is in my English class but its about MLK so I thought I'd put History and English. So this is REALLY long! I typed it all myself and all I need is someone to check my facts and to edit. I know it's long, so if you only want to read a

    asked by Cora
  90. Chemistry

    Mg(OH)2(aq) Mg2+ (aq) + 2OH-(aq) a) what would happen to the equilibrium if some acid is added to the soultuion? b) what would happen to the solubility of Mg(OH)2? c) what would happen to the Ksp?

    asked by Zander
  91. Physics 1

    The drawing shows a wire tooth brace used by orthodontists. The topmost tooth is protruding slightly, and the tension in the wire exerts two forces and ' on this tooth in order to bring it back into alignment. If the forces have the same magnitude of 15.0

    asked by Donald
  92. Physics- Someone Please Help!!!

    A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is

    asked by Marge
  93. CHEMISTRY: URGENT DRBob222

    I thought it was similar so I wrote... x + y = 30cm^3 x + 2y = 61.5cm^3 i.e 2x + 2y =60cm^3 x + 2y = 61.5cm^3 therefore x= -1.5cm^3(volume of methane) and y= {61.5-(-1.5)}/2= 31.5cm^3(volume of ethane) However my teacher said the volume i got for ethane is

    asked by LC
  94. Physics: Kinematics

    A speed boat moving at 33.7 m/s approaches a no-wake buoy marker 93.3 m ahead. The pilot slows the boat with a constant deceleration of 2.9 m/s 2 by reducing the throttle. How long does it take the boat to reach the buoy? current work done: x = Vot +

    asked by Michelle
  95. hisd

    The match was played indoors due to the bad weather. (1 point) adjective adverb preposition conjunction

    asked by Anonymous
  96. math

    why did the cow keep jumping over the barrel

    asked by Anonymous
  97. Physics

    Light cannot be linearly polarized by: transmission reflection diffraction diffraction

    asked by Confused
  98. algebra 2

    find coordinates of vertices formed by x+yless than or equal to 2 x-2y less than or equal to 8 and x+(-1/3y) greater or equal to -2/3

    asked by Yasmin
  99. pre-algebra 3

    One week you earned $1350. Let s represent your total sales that week. Write an equation thay cound be used to solve s.

    asked by Anonymous
  100. algebra 2

    At 29'C, the speed of sound is about 3.49x10^2 meters per second. Find the distance traveled by sound in one hour.

    asked by sella
  101. Physics

    an 88kg cardboard box is being pulled along a level floor. the coefficient of static friction between the box and the floor is 0.23, and the sliding friction is 0.12. What is the weight of the box? What force is needed to start the box moving? What force

    asked by Zach
  102. economics

    6) If average movie ticket prices rise by about 5 percent and attendance falls by about 2 percent, other things being equal, the elasticity of demand for movie tickets is about: A. 0.0 B. 0.4 C. 0.6 D. 2.5 7) When labor is the variable input, the average

    asked by johnny
  103. math

    15 x w + 51 =105 +51 ?

    asked by dj
  104. intermediate algebra

    a basketball player scores 35 times during a gam,e. he scored 57 total point 2 for each 2 point shot and one for each free throw how many two pint shots did he make and how many free throws did he make

    asked by Dee
  105. Physics

    1. If a bar magnet is broken into two pieces, how many magnetic poles are there? 2. A long straight wire carries a current in the direction shown in the following figure. At the point labeled A, is the direction of the magnetic field left, right, up. Down,

    asked by Roger
  106. physics

    A freight train has a mass of 1.6 × 10 7 kg. If the locomotive can exert a constant pull of 8.0 × 10 5 N, how long would it take to increase the speed of the train from rest to 80.3 km/h? Disregard friction

    asked by DAE
  107. Chemistry

    Write a blanaced molecular equation for the reaction 2Na(NO3) + Cu(OH)2. Write complete ionic and net ionic equations?

    asked by alexis
  108. grammar

    I expect a friend to be both honest and a loyal person.

    asked by b
  109. geometry

    a packaging company manufactures a cardboard box with a volume of 864 cubic inches. the length of the box is 24 inches, and the ends of the box are square. what is the height of the box in inches?

    asked by luckybee
  110. Science

    While traveling along a highway a driver slows from 24 m/s to 15 m/s in 12 seconds. What is the automobile's acceleration? How would I show the work and find this answer?

    asked by Robert
  111. Physics ~ A 2.0-kg ball is

    A 2.0-kg ball is travelling east at 8.0 m/s when it has a perfectly elastic head-on collision with a 3.0-kg ball traveling west at 10.0 m/s. What are the final velocities of the two balls?

    asked by Booker Perry
  112. Statistics[Math]

    Construct a histogram for following frequency distribution : Class-intervals Frequency 0-4 5 5-9 8 10-14 12 15-19 9 20-24 4

    asked by Mayank
  113. Chemistry

    a silver coin has a mass of 2.50g and is analysed for silver by dissolving in dilute nitric acid, and precipitating silver as solid AgCl and weighing this. if the percipitate weighs 2.99g what percentage of silver is in the coin?

    asked by HELP PLEASE!!!!
  114. Physics, newtons laws

    A 50kg block is being pulled up a 13 degree slope by a force directed 30 degrees above the slope. The coeffcienct of kinetic friction between the block and the slope is 0.200. What is the minimum force required for the block to continue to slide up the

    asked by Naf
  115. CHEMISTRY! NEED HELP FAST!

    if 250 ml of oxygen at stp are consumed when magnesium burns, how many grams of magnesium oxide? [Mg(s) + O2(g) ---> MgO(s)]

    asked by Curry
  116. Physics- Elena please help!

    Assume you are agile enough to run across a horizontal surface at 11.60 m/s on an airless spherical asteroid of uniform density 1.0x103 kg/m3, independently of the value of the gravitational field. To launch yourself into orbit by running, what would be

    asked by Sarah
  117. math problem

    Factor completely the polynomial. Indicate any that are not factorable using integers. x 2 – 4 x – 32. Answer (x + 4)(x + 8) (x – 4)(x – 8) (x + 4)(x – 8) (x – 4)(x + 8) not factorable

    asked by Anonymous
  118. math

    Magazine is 11 inches long 8 inches wide what is the perimeter

    asked by koby
  119. Math

    Find two numbers whose ratio is 4 to 3 and are such that the sum of their squares is 100.

    asked by Dee
  120. AP Physics C

    An electron follows a helical path in a uniform mag-netic field of magnitude 0.300 T. The pitch of the path is 6.00 um, and the magnitude of the magnetic force on the elec-tron is 2.00x10^-15 N. What is the electron's speed?

    asked by Michelle
  121. Ms. Sue Poem cont.

    3. a 4. ?

    asked by Jman
  122. science

    2 different reasons why two muscles that act across the same side of the same joint are not necessarily redundant? Explain your reasons in detail and give at one real example that illustrates each reason

    asked by no need to worry
  123. science

    Relate their structure of a neuron to the anatomy of the cerebral cortex and spinal cord. Be sure to discuss the locations of soma, axons, dendrites, and supportive cells in each area.

    asked by no need to worry
  124. physics

    12.5 kg wooden crate with an initial velocity of 2.5 m/s slides across a rough cement floor for 1.7 m before coming to rest. Calculate the coefficient of kinetic friction

    asked by Anonymous
  125. math

    260 divided by 10=26 does (260 divided by 10)x5=26x5

    asked by kyle
  126. MATH

    for 30 days on the 1st daY I GET A PENNY THAN ON IT DUOBLES EVERY DAY UNTIL DAY 30 HOW MUCH PENNIES DO I HAVE ON DAY30

    asked by JR
  127. Chemistry

    What happens to the size of an atom when it becomes a negative ion? Why?

    asked by Anonymous
  128. texas A&M university

    A commonly used rule of thumb is that the average velocity in pipe should be about 1m/s or less"thin" fluids( viscosity about water). if pipe needs to deliver 6000m of water per day, what diameter is required to satisfy the 1-m/s rule?

    asked by Anonymous
  129. Chemistry

    If a 11.0 mL sample of vinegar (aqueous acetic acid ) requires 19.0 mL of 0.500 M NaOH to reach the endpoint, what is the original molarity of the acetic acid solution?

    asked by Erin
  130. physics

    What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)

    asked by Tom
  131. usm

    A volume of 10.0 of a 0.190 solution is titrated with 0.770. Calculate the volume of required to reach the equivalence point.

    asked by ren
  132. Chemistry

    a silver coin has a mass of 2.50g and is analysed for silver by dissolving in dilute nitric acid, and precipitating silver as solid AgCl and weighing this. if the percipitat weighs 2.99g what percentage of silver is the coin?

    asked by Sarah
  133. Physics- Elena please help!

    A digital audio compact disc carries data along a continuous spiral track from the inner circumference of the disc to the outside edge. Each bit occupies 0.60 mm of the track. A CD player turns the disc to carry the track counter-clockwise above a lens at

    asked by Anonymous
  134. college algebra

    find the center and radius of the circle. Write in equation form. (4,8) and (13,8)

    asked by ladybug
  135. phyicis

    Homer Hickham and his buddies launched model rockets in the late 1950's when the US was trying to get a rocket into space. If homer launches a rocket from rest and its engine delivers a constance acceleration of 8.2 m/s^2 for 5.0seconds after which the

    asked by Matt
  136. Physics- Elena please help! I'm so confused!!

    A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is

    asked by Ted
  137. English

    Create a Halloween story by filling in the blanks with adjectives. Remember adjectives are words that describe or tell about nouns. The words in () is my adjective answer I used. You Cannot use an adjective more than once The ____(full) moon was shining

    asked by Connor
  138. Ms. Sue Help me with my poem

    Please look at my last post, so you can check my answers.

    asked by Jman
  139. physics

    A diver runs and dives off the end of a spring board that is 0.9 meters above the surface of the water. As she takes off from the diving board, her velocity is 5.2 m/s directed 36° above horizontal calculate: a) the time she is in the air s b) the

    asked by Mat
  140. Climate/Vegitation Grade 7

    What type of vegetation is most commonly found in humid areas? a. scrub c. forests b. grasslands d. farmland

    asked by rawr... im a dinosaur.... rawr
  141. math

    please help, I'm having a hard time set up the problem. Thank you Sally drove a distance of 520 mile. Had she averaged 15mph faster, the trip would of taken 2.4 hours less. find the average speed that she drove.

    asked by help
  142. Physics

    Two blocks of masses m1 = 2.00 kg and m2 = 3.70 kg are each released from rest at a height of h = 5.60 m on a frictionless track, as shown in the figure below, and undergo an elastic head-on collision. (Let the positive direction point to the right.

    asked by Jessica
  143. Physical science

    Which is not an example of acceleration? a) A person jogging at 3m/s along a winding path b) A car stopped at stop sign c) A cheetah running 27m/s east d) A plane taking off

    asked by Maria
  144. English 9

    I need symbols that represent the following words. The symbols must be pretty simple. For example my teacher told me to draw an owl for the word wisdom. Because the owl represents wisdom. I need help on the following! Hopeful Athletic Exciting independent

    asked by Makenzie
  145. math

    I drove 843 miles to Florida. On the first day, I drove 483 miles. On the second day, how long did it take to reach florida if the average speed is 60 miles per hour?

    asked by Anonymous
  146. English

    Enemy is to opponent as friend is to _____ Freedom is to ____ as enemy is to opponent

    asked by Maryam :)
  147. Math

    Which Statements of congruence are true and which are false and why? 177 _= 17 (mod 8) 871 _= 713 (mod 29) 1322 _= 5294 (mod 12) 5141 _= 8353 (mod 11) 13944 _= 8919 (mod 13) 67 x 73 _= 1 x 3 (mod 5) 17 x 18 x 19 x 20 _= 4! (mod 8) 83 (144 power) _= 15 (144

    asked by Jimmy
  148. math

    I"m having a hard time setting up the problem George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish planting the garden?

    asked by please help
  149. World Geo Grade 7

    Whats one of the most famous fishing spots in the world? Colorado river Grand Banks Hawaii islands St Lawrence river or Mississippi river? St. Lawrence?

    asked by rawr... im a dinosaur.... rawr
  150. Algebra I

    How do you make an equation that's perpendicular to the equation y=x+5? The given points are (3,-3) Please help and explain step by step thank you!

    asked by Vanilla Bear
  151. physics

    What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)

    asked by Tom
  152. AP Physics

    A 1200 kg car is moving at 33 m/s then has the brakes applied at a deceleration of 6.1 m/s. How far will it move before stopping?

    asked by Alexis
  153. English

    At what point of a plot does the action wind down to reveal the effects of the action or decision? climax exposition falling action resolution Read the following passage from “The Oxcart”: The governor of Settsu had three outstanding samurai in his

    asked by S
  154. math

    how to solve this equation by inserting the brackets to make it a true statement -20+4x2+7-35 = -19

    asked by Jay
  155. Engineering maintenance

    an undamped mass spring system is with mass of 12kg and stiffness of 15N/mm,a)determine the natural frequency and the period of the free motion of the system b)determine the amplitude of displacement A and the phse shift for the initial conditions

    asked by anu
  156. US History

    Why did the British view colonial taxes as fair? Why did colonists argue British taxes were unfair?

    asked by Lily
  157. physics

    What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)

    asked by Tom
  158. business Ms. Sue

    Professional sports players are generally paid much more than farmers, factory workers, engineers, and teachers. The markets for the professional sports players, farmers, factory workers, engineers and teachers are generally competitive. Even among

    asked by Quita
  159. English

    Identify whether the italicized words in the sentences below are used as participles or verbs. She’s an EXPERIENCED chef; she should have no trouble finding work. participle or verb? I would say participle.

    asked by Josh
  160. English 9

    I know ive already posted this question but does anyone else have any more thoughts. Pleeeese help me! I need symbols that represent the following words. The symbols must be pretty simple. For example my teacher told me to draw an owl for the word wisdom.

    asked by Makenzie
  161. Math

    A whole brick is balanced with 3/4 pound and 3/4 brick. What is the weight of the whole brick ? Use a visual solution process

    asked by Dell
  162. geography

    Can you check my answers please? !. What two continents have no deserts? Europe and Antarctica 2. Is the North Pole on land or water? on land 3. Are you closer to the equator in the northern or southern part of Argentina? Northern Argentina 4. What line of

    asked by Reed
  163. geography

    Can you check my answer please? 1. To what hemispheres do the following countries belong? Soviet Union: Northern and Eastern Hemispheres, Canada: Northern and Western Hemispheres, China: Northern and Eastern Hemispheres.

    asked by Reed
  164. math

    is y=0.005x^2+10 a fuction?

    asked by sandy
  165. MATH

    A Company has 42 employees with degrees. twenty-nine of them have only High School diplomas. What percentage of these have high school diplomas.

    asked by booker
  166. science

    What is a good way to study science? To be more specific Bellwork quizzes?

    asked by Jennifer
  167. math

    How to multiply long fractions

    asked by natalia
  168. Geo

    A 30ffoot tree cast a12 foot shadow find the measure of the angle of elevation of the sun to the nearest degree.

    asked by Kayla
  169. logic

    Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not

    asked by bree
  170. Algebra

    Suppose you invest $5000 at an annual rate of 4% compounded continuously how much will be in the account after 5 years?

    asked by heather
  171. Math

    four times one number minus a second is 11, and the sum of the numbers is 14. Find the numbers.

    asked by CJ
  172. math

    please help me on this riddle : im a 2 digit whole number between 30 and 80 . my tens digit is one more than my ones digit. im a prime number.what number am i ?

    asked by Leslie
  173. Loan

    Borrower Brown borrowed $8,000 from the bank. He will pay 6% simple interest on the remaining balance of the loan in semi-annual equal PRINCIPAL payments for four years. How much total interest will Borrower Brown pay over the life of his loan?

    asked by Renee
  174. Art

    What does this mean? How will art evolve from today's styles? Ty.

    asked by Mishka
  175. math

    If a numerator and denominator is 21 and its equivalent to 2/4, then what fraction is it?

    asked by charnetta
  176. Physics

    In the drawing, the weight of the block on the table is 384 N and that of the hanging block is 195 N. Ignore all frictional effects, and assuming the pulley to be massless. (a) Find the acceleration of the two blocks. 1 m/s2 (b) Find the tension in the

    asked by Anonymous
  177. math

    solve each equation /y/=17 /s/=0 -x=-4 -y=6 help!!!!

    asked by carly
  178. math

    explain why the equation x^(5)-3x+1=0 must have a solution with 0 < x

    asked by Jake
  179. science

    Give 2 different reasons why two muscles that act across the same side of the same joint are not necessarily redundant? Explain your reasons in detail and give at one real example that illustrates each reason. Question 2. : Relate their structure of a

    asked by padarnalat
  180. English

    I really need to get a WORKING charger for my phone. Participle or verb? I think it's a verb, but I'm really not sure.

    asked by Gina
  181. Calculus

    Let f(x) = 1/(x+2) and g(x)= (x-1)/x. Simplify and state the domain. f(g(x)) g(f(x))

    asked by Kelly
  182. English

    Posted by rfvv on Friday, October 26, 2012 at 9:20pm. 1. He called the judge. 2. He shout to the judge. 3. He made a phone call to the judge. (Does #1 mean #2 or #3?) •English - Ms. Sue, Friday, October 26, 2012 at 9:23pm 1 and 3 are the same. In 2,

    asked by rfvv
  183. Math 8R - Homework Help!: Part 1

    Part 1: Fill in the definitions I need the definitions for the following words: solution evaluate inverse operations

    asked by Laruen
  184. Math 8R: Homework Check - Part 3

    Part 3 : Evaluate when x = -2, y = 5 21. 4x + 2y, Answer: 2 22. 3(x) *to the 3rd power*, Answer: -221 23. (x + y) *to the 2nd power*, Answer: 9 24. -4x + 2y, Answer: 18 Please check to see if my answers are correct. Thank You!!! :)

    asked by Laruen
  185. math

    Input output 70 493 _ 63 _ 350 30 140 60 __

    asked by marqueona
  186. PHYSICS

    A woman whose weight is 530 Newtons is standing on the outer edge (right) of a diving board of 3.9 meters length. She is over the water of the pool. The left edge of the board is bolted down to the concrete. A support spring (shown as a fulcrum) is

    asked by RIC
  187. math

    4((x/4)+5)-20 How do you solve this for x?

    asked by Jamie
  188. pysics

    Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

    asked by Demis
  189. physics

    Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

    asked by Demis
  190. Chemis

    Write a blanaced molecular equation for the reaction 2Na(NO3) + Cu(OH)2. Write complete ionic and net ionic equations?

    asked by alexis
  191. Chem 1411

    How would you show that dissolving table salt is a physical change?

    asked by Rhonda
  192. chemistry

    150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

    asked by unknwn
  193. chemistry

    150ml of a gas at 27C is heated to 77C at a constant pressure.find the new volume of the gas.

    asked by unknwn
  194. spanish

    Weather report in Spanish. Help!!!

    asked by Nikita
  195. math

    f(24)=1/2(24)+5

    asked by Hunter
  196. Senses- Science Grade 7

    The semicircular canals sends impulses to the cerebellum? If false what is the correct answer? I do not know.

    asked by rawr... im a dinosaur.... rawr
  197. 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 Help please!!
  198. math

    f(24)=1/2(24)+5

    asked by Samuel
  199. Economics

    When McDonald's Corporation reduced the price of its Big Mac by 75 percent if customers also purchased french friesand a soft drink. The Wall Street Journal reported that the company was hoping the novel prWomotion would revive its U. S. sales growth. It.

    asked by Anonymous
  200. history

    What is a fertile crescent

    asked by kim
  201. calculus

    g(x)= (((x-1)/x)-1)/((x-1)/x) Simplify and state the domain.

    asked by Nathan
  202. Physics

    Which combination of primary additive colors will produce yellow-colored light? green and blue blue and red red and green cyan and magenta

    asked by Confused
  203. Math

    7(12)%8-9

    asked by Raymond
  204. AP Statistics

    When finding a confidence interval for a population mean based on a sample of size 11, which assumption is made? The standard deviation is fixed. The sampling distribution of z is normal. The sampling distribution of the sample means is approximately

    asked by Anonymous
  205. math

    What is the sequence of events for 20,33,46,59?

    asked by Clint
  206. AP Statistics

    As the degrees of freedom for the t-distribution increase, the distribution approaches the value of zero for the mean. the t-distribution. the normal distribution. the F distribution. I'm thinking C...

    asked by Anonymous
  207. Math

    what is the equation for 20,33,46,59 that describes each sequence

    asked by Clint
  208. math

    Frank has a rectangular piece of wood 45 cm by 75 cm. what are the largest identical squares. Frank can make by cutting the wood. What assumptions have you made.

    asked by Anonymous
  209. English

    What's the CORRECT pronunciation of "Scylla?"

    asked by Anonymous
  210. science

    how many atoms of magnesium are in the magnesium molecule?

    asked by mable
  211. Chemistry

    A gas is at 31.3 atm pressure at 32 degrees C. The volume of the tank is 45.0L. What would the volume of the gas be if you allowed it to expand to a pressure of 55.3 atm?

    asked by Los
  212. Math

    write 3 feet = 1 yard 3 times. How do i do that?

    asked by Michael
  213. Calculus

    solve for x e^(2x+3) -7=0 ln(5-2x)=-3

    asked by Kendra
  214. Pre Calculus

    Write the Rectangular Form of the Polar Equation: r=12

    asked by Alex Rodriguez
  215. Calculus

    Suppose x^2+1>= f(x) >= 4x-3 for all x. Compute lim f(x) x->2

    asked by Devon
  216. Precalc factoring

    im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

    asked by Rebekah
  217. Math

    Becky has saved $4500. She would like to earn $325 per year, by investing into two different investments: a low-risk investment that pays 5% annual interest and a high -risk investment that pays 9% annual interest. How much should Becky invest in each type

    asked by Sam Shelly
  218. Statistics

    A university has an exclusive agreement with the coffee chain Monobeans. Several students and faculty complained about their lack of baked goods. Looking for a better provider of carbs and caffiene, the university management rents out for one trial

    asked by Tina
  219. calculus

    f(x)=1-3x g(x)=5x^2+3x+2 find f(g) g(f) and f(f) and their domains.

    asked by Coco
  220. Algebra

    If (8c-7d)/(d)=2, find the value of (5c-6d)/(2c)

    asked by Kevin
  221. math

    I have to insert brackets so that this equation is a true statement. I was able to solve the other 3 and could not get this one. Please help. Thanks -20 + 4 x 2 + 7 - 35 = -19

    asked by Jay
  222. Algebra

    Need help rewriting this as a decimal. 5*10^3 + 2*10^2 + 4*10^-1 = If you can please show me how to do this that would be so helpful!

    asked by Libby
  223. Math

    Find the magnitude and direction of the vector AZ: A(8,8) and Z (1,-3)

    asked by Austin
  224. Language arts

    Check my answer please Which of the following would not be considered an asset? A) credit card debt B) a good credit rating C) an education Answer: A

    asked by Emma
  225. Algrebra

    substitution method 3x + y=12 8x-2y =4

    asked by Dee
  226. Factoring- precalc

    im stuck on factoring (x-1)(2x^3+13x^2+8x-35) do i use synthetic division? if so what zero? thnks.

    asked by Rebekah
  227. Algebra

    Solve the equation and inequalities f(x)=0 f(x)>0 f(x)

    asked by Mackenzie
  228. Chemistry

    If §¤= 1, what can you deduce about n? n=1 n>1 n¡Ã1 n3 §¤¡Ã3 §¤

    asked by Anonymous
  229. Chemistry

    What happens to the size of an atom when it becomes a negative ion? Why?

    asked by Anonymous
  230. chem (measurements & dimensional analysis)

    the density of regular gasoline is 0.9854 g/cm3. What is the density in lbs/gal

    asked by Maria
  231. spanish

    What does moreno means when describing what someone looks like?

    asked by SoccerStar
  232. math

    12 times x =144 does(12 times x)divided 4 =144 divided by 4

    asked by susie
  233. science

    the distance from the earth to the moon is 240000 miles. if the speed of light is 2.998 x 10^8 meters per second, how long does it take for light reflected from the moon to reach our planet?

    asked by Paco
  234. math

    Jennifer's scores on her first four science tests were 85, 76, 89 and 92. What score must she make on the fifth test to have the mean of the five tests equal 85?

    asked by arturo
  235. Chemistry

    a student uses the unduiluted glucose stock solution in a reaction and finds that the absorbance values over 90 seceonds are all 1.900. What does this result tell you abou the enzyme activity of glucose oxidase in this reaction after the 90 seconds time

    asked by Deb
  236. Calculus 2

    Does Series n=1 to infinity 1/2n+1 converge or diverge? I'm thinking it converges, because p would be < 1 right? I'm a little confused.

    asked by James
  237. Calculus

    1. For a differentiable function f, f' be the funcyion defined by f'(x) lim h->0 =f(x+h)-f(x-h)/(h) a: Determine f'(x) for f(x)=x b: Determine f'(x) for f(x)=x^2

    asked by Rudy
  238. science grade 7

    -80 decibels more than or less than -20 decibels??

    asked by rawr... im a dinosaur.... rawr
  239. composition&communication

    I have to identify an introductory technique that could be used to grab the reader’s attention and showcase the main idea for an essay, explain why I selected this technique, where it would be useful, and where might it not work. I know all of the types

    asked by Katelynn
  240. math URGENT!!!!

    i have a list of 5 different numbers. the sum of 2 of the numbers is 0. the sum of 2 of the numbers is 1. the sum of 2 of the numbers is 2. the sum of 2 of the numbers is 3. the sum of 2 of the numbers is 4.the sum of 2 of the numbers is 5.the sum of 2 of

    asked by dan
  241. algebra

    x=2y-8 4x+3y=23

    asked by Anonymous
  242. math

    please write an equation to show total hours of team practice team practiced 2 1/2 hour 5 days this week. is it 2 1/2 x 5 = x

    asked by Kyle pls help Ms. Sue
  243. Precalculus

    I have been trying to verify the below identity. I have been at it for hours, can anyone please help? 1+ cos(theta)/Cos(theta) = tan^2(theta)/sec(theta)-1

    asked by George
  244. Calculus

    g(x)=5x^2+3x+2 Compose g(g) and find domain

    asked by Nelly
  245. Precalculus Follow Up

    1+ cos(theta)/Cos(theta) = tan^2(theta)/sec(theta)-1 I am having trouble understanding how this is verified by the previous answer. I am sorry I just want to understand this because I didn't see a tan^2 anywhere :/. Step by step how did you verify the

    asked by George
  246. Chemistry

    How many molts of H2O would be produced if 3.61 molt HCI react with an excess of Ca(OH)2?

    asked by Eric
  247. Chemistry

    How many moles of H2O would be produced if 3.61 molt HCI react with an excess of Ca(OH)2?

    asked by Eric
  248. Math

    If there are 6 elements in ( A u B ) and 1 element in ( A n B ) answer the following A. What is the maximum number of elements possible for A? B. what is the least possible number of elements in B? C. If A has 'n' elements how many elements are in B?

    asked by Dell
  249. Math

    How do you simplify this? (x+3/x-6)-2/(x+3/x-6)+8

    asked by Jamie
  250. algebra 2 trig

    8/2+√6

    asked by Elizabeth
  251. college algebra

    find the equation for the line with the given properties. Express in slope intercept. containing points P=(-5,1)and (-3,0)

    asked by ladybug
  252. elementry

    translating words to expressions 3 times as old as 6 years old

    asked by swetha
  253. Math/Algebra

    If the first term of a finite geometric sequence is .4 and its ratio is .3 what is the sum of the first 5 terms?

    asked by Libby
  254. elementary

    translating words to expressions twice as many people get on the bus

    asked by swetha
  255. college algebra

    find the line that is perpendicular to the line y=1/3x+4 and contains the point (-9,0)

    asked by ladybug
  256. Chemistry Lab

    You want to determine the heat generated in a gas-producing reaction. Is this possible? If so, describe the design of such a calorimeter. If not, describe why this cannot be done. Your help is much appreciated!

    asked by Heather
  257. elementary

    geometry a figure has 3 more sides than a pentagon.write an expression for the number of sides the new figure has.

    asked by swetha
  258. work

    Read the scenario. Use the reference material to assist you in determining what tasks to select for your squad to support the critical tasks identified for the platoon. 1. You are a member of Special Troop Battalion, 3d BCT, 10th Mountain Division. Your

    asked by Anonymous
  259. math

    A SERVING TRAY MADE OF BRASS WEIGHS 21 OUNCES. THIS BRASS IS AN ALLOY OF 70 PERCENT COPPER AND 30 PERCENT TIN. WHAT IS THE WEIGHT IN COPPER? CHECK MY SOLUTION PLEASE! 70% OF 21 OZ= 30Z

    asked by BOOKER
  260. Precalculus Follow Up 2

    Oh now I see your point. I am sorry I should have stated this before. How do I verify that tan^2(theta)/Sec(theta)-1 is somehow the same as 1+cos(theta)/Cos(Theta)?

    asked by George
  261. elementary

    translating words to expressions twice as many people get on the bus .there were 12 people on the bus

    asked by swetha
  262. Physics 1

    The helicopter in the drawing is moving horizontally to the right at a constant velocity. The weight of the helicopter is W = 55600 N. The lift force generated by the rotating blade makes an angle of 21.0° with respect to the vertical. (a) What is the

    asked by Donald
  263. math

    How do you solve 5/8*3 4/5 It should read five over eight multiplied by three and four fifths

    asked by Cherie
  264. chemistry

    MX2(s) M2+(aq)+ 2X-(aq) ksp=[M2+][X-]2 the question asks.. why is [MX2] not used in the expression for the equilibrium? is it because they aren't used in the expressions?

    asked by Jen
  265. mgt 420

    Individual Assignment: Prepare a 350- to 700-word paper in which you explain the role of stakeholders in implementing a quality management process. Discuss each of the stakeholders and their specific roles in implementing a quality management process.

    asked by Anonymous
  266. computer science

    Python 3 For this option, you will first ask "how many rows?", and get a positive integer from them. Next, you will ask "how many columns?", and get another positive integer from them. The next step is to ask for an alignment of each column. They will

    asked by sand
  267. math

    Muhammad Chabali earns $13,600 per year. He is paid 12 times per year and claims 2 exemptions. His city and state combined tax him at a rate of 10%. How much tax is withheld per pay period?

    asked by scott canfield
  268. algebra

    Sally drove a distance of 520 mile. Had she averaged 15mph faster, the trip would of taken 2.4 hours less. find the average speed that she drove.

    asked by help
  269. Science

    Name 4 animals that are different species. Cat Rabbit Sheep Elephant

    asked by Jerald
  270. comp.sci-python

    For this option, first ask the user what the maximum number of columns for printing will be. ("How wide should the output be?") Next, the user will enter in a paragraph of text. They may enter it in as many lines as they'd like, and the only way you know

    asked by seema
  271. math

    about what percentage of the population believe saying F to ber true? = what percentage of 250148571.0 = 136,800,000?

    asked by Anonymous
  272. Q&A Check Please, geo 7th grade

    The Missouri River flows southward to the Gulf of California. FALSE a lower area of land generally surrounded by mountains BASIN Summer ocean currents come in from the north. FALSE THE COAST OF CALIFORNIA Most of Canada and Alaska have a subarctic climate.

    asked by rawr... im a dinosaur.... rawr
  273. python 3

    For this option, first ask the user how many items there will be. ("How many items will there be?") Then, accept a name, a price, a name, a price, etc. until you have enough name-price pairs. You should then format the receipt so that each item shows up on

    asked by Anita
  274. English

    How to ask questions to a character in 'A midsummer night's dream' using the hot seat drama technique..

    asked by Rama
  275. MATH

    WHAT IS THE ORIGINAL SELLING PRICE OF AN ITEM IF A 2% DISCOUNT ON THE ORIGINAL PRICE RESULTS IN A SAVINGS OF $85?

    asked by booker
  276. Grammar

    When do we use in and at? Ex we meet in the gym or we meet at the gym

    asked by Anonymous
  277. phyicis

    After cruising at 75 mph down I-80 for 15 minutes on a roach trip, you hit traffic and travel at 15m/s for 15 minutes for the rest of trip. your average speed is 24.26 m/s. What if you were traveling at each speed for the same distance instead of time?

    asked by Matt
  278. math (probability)

    there are 6 red marbles in a bag. the probabilty of picking a blue marble is 2/7. How many marbles are in the bag?

    asked by Anonymous
  279. physics

    A satellite has a mass of 5910 kg and is in a circular orbit 4.69 × 105 m above the surface of a planet. The period of the orbit is 2.1 hours. The radius of the planet is 4.44 × 106 m. What would be the true weight of the satellite if it were at rest on

    asked by Anonymous
  280. math

    find each absolute value /14/... p.s the lines are suppose to be straight.

    asked by carly
  281. Math/Algebra

    Need help rewriting this as a decimal. 5*10^3 + 2*10^2 + 4*10^-1 = If you can please show me how to do this that would be so helpful!

    asked by Libby