1. English

    Hey, just look up the grammar, tenses and wheter I use the right words, ok? It is for an oral excercise so the spelling isen't important. Thanks and now the text: Mandy: Good Morning and welcome to the morning show with me: Mandy Melrose! Today I wanna

    asked by Julie on July 11, 2013
  2. Chemistry

    Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a

    asked by Julia on March 29, 2007
  3. CHEMISTRY: HESS'S LAW need help!

    I'm just overly confused on how to begin this especially with the fractions... please show step by step if you could. Quiz very Soon! Example A: H2(g)+1/2 O2 (g) ----> H2O(l) ... ΔH= -285.8 kJ N2O5(g) + H2O(l) -----> 2HNO3(l) ΔH= -76.56 kJ 1/2 N2(g) +

    asked by Madi on February 28, 2017
  4. english

    i am writing a literary research paper on the book robinson crusoe. my thesis is In "Robinson Crusoe" Daniel Defoe uses the protagonist to show the sporadic but guiding relationship between God and man. I am having trouble coming up with a title. So far I

    asked by hannah on November 15, 2012
  5. Math

    Roulette is a well known game in which a mechanical device randomly selects one of 38 equally likely numbers. IF a player decides to play by choosing a number, he gains $35 if his number is selected by the device. If any other number is selceted he loses

    asked by Kayla on April 21, 2013
  6. Chemistry

    Describe what hard water is and how a water softening unit works. Provide balanced chemical equations to show how sodium sulphate can remove these ions (Magnesium and Calcium). The first was no problem, but I am having trouble trying to get through the

    asked by Hannah on July 17, 2012
  7. Physics-Gauss' Law

    1. If a surface is a 10 meter by 10 meter plane lying in the y-z plane, what is the vector representing the area of the plane? 2. If a sphere of radius 2 meters is placed in a uniform electric field of 3 N/C, what is the net flux through the sphere? 3.

    asked by Bobby on March 23, 2008
  8. Math - Statistics

    The increase or decrease in the price of a stock between the beginning and the end of a trading day is assumed to be an equally likely random event. What is the probability that a stock will show a decrease in its closing price on eleven consecutive days?

    asked by Derrin on June 19, 2015
  9. math

    five vessels have equal capacities. Each vessel contains some milk. the ratio of the quantities of milk in these vesseles is 3:4:5:6:7 . the total quantity of milk is 60% of the combined capacity of the vessels. How many vessels contain at least 50% milk?

    asked by Ram on December 26, 2014
  10. Math

    Suppose we are given for identical red flags, 2 identical blue flags, and 3 identical green flags. Find the number of (M) different signals that can be formed by hanging the nine flags in a vertical line. M=? PLEASE DO NOT SOLVE! PLEASE only tell how to do

    asked by dddd47906 on April 9, 2014
  11. Math

    The following equation has denominators that contain variables. for this equation write the value or values of the variable that make a denominator zero. these are the restrictions on the variable. keeping the restrictions in mind, solve the equation.

    asked by Anonymous on April 22, 2016
  12. MATH/CHEM PLEASE HELP!

    Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the

    asked by Jade on September 13, 2007
  13. math?

    Give the answer to the following calculation with the correct number of significant digits. Report your answer in scientific notation. (6.17 x 10-1 + 4.9 x 10-2) x (3.95 x 10-2 + 6.454 x 10-3) i know how to solve for the answer, i just don't know the

    asked by des. student! on September 13, 2007
  14. PHYSICS

    How do I solve this? The blade of a windshield wiper moves through an angle of 90.0° in 0.453 s. The tip of the blade moves on the arc of a circle that has a radius of 0.775 m. What is the magnitude of the centripetal acceleration of the tip of the blade?

    asked by KS on April 26, 2015
  15. physics

    It is possible to shoot an arrow at a speed as high as 100 m/s. (a) If friction is neglected, how high would an arrow launched at this speed rise if shot straight up? (b) How long would the arrow be in the air? Please help! I do not have any clue as to how

    asked by sarah on June 7, 2010
  16. business math

    Please help me to solve the question below. An electrical appliances shop owner estimates that his sales will increase by 5% every month. The sales for the first month were $30,000. Find: a)The sales for the 10th month b)the total sales for the first year

    asked by Shadow of me on June 30, 2011
  17. physics

    A 4.0 kg particle is moving along the x axis to the left with a velocity of v= -12.0 m/s. Suddenly, between times t =0 and t = 4.0 x a net force = 3t^2 – 12t is applied to the particle, where F is in N and t is in s. Calculate the velocity of the

    asked by maggie on November 21, 2009
  18. math

    Find the error. Sam is finding 9-6+2. Find his mistake and correct it. Steps: First solve the problem. Second, write a summary statement. Third, find Sam's mistake and explain in complete sentences.

    asked by Hannah on July 30, 2012
  19. Math

    you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please help solve the problem. Simple interest? Compounded annually? Compounded quarterly Compounded daily

    asked by Mike on April 14, 2011
  20. Math

    1. Find the sum of the first five terms of the sequence 2/3, 2, 6, 18, ..... My answer is 242. Am I right? 2. Which of these two sequences form a geometric sequence: 2x, 4x-2, 6x-4, ..... OR x+1, 2x+2, 5x+1, .....? Find the value/s of x and what is the

    asked by Brianna on October 17, 2014
  21. math

    need help with "you have $15 in your bank account. you spend $11 on a hat. then you mow 3 lawns for $20 each and deposit the money into your bank account, write and solve an expression (using order of operations) to determine how much money is in your

    asked by kb on January 5, 2012
  22. ap calc

    A rectangle is inscribed into the region bounded by the graph of f(x)=(x^2-1)^2 and the x-axis, in such a way that one side of the rectangle lies on the x-axis and the two vertices lie on the graph of f(x). what is the maximum possible area of such a

    asked by Anonymous on November 18, 2014
  23. Physics

    A Car is travelling 20m/s when it pulls out to pass a truck that is travelling at 18 m/s. The car accelerates at 2.0m/s^2 for 7.0 seconds B) What is the car's speed at the end of the period of acceleration? Vi=20 m/s Vf=18 m/s a= 2.0m/s^2 t=7.0 Seconds I

    asked by Lilly on March 20, 2017
  24. Math

    you deposit $1000 at 3% per year.what is the balance at the end of one year,and what is the annual yield,if the interest.Please help solve the problem. Simple interest? Compounded annually? Compounded quarterly Compounded daily

    asked by Mike on April 14, 2011
  25. Chem

    It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=infinity. I don't know how to solve this

    asked by Jeimmy Vinueza on March 6, 2014
  26. Calc

    A particle moves along the x-axis in such a way that it's position in time t for t is greator or equal to 0 is given by x= 1/3t^3 - 3t^2 +8 A) show that at time t= 0 the particle is moving to the right. B) find all values of t for which the particle is

    asked by Nicole on January 25, 2013
  27. Calc

    A particle moves along the x-axis in such a way that it's position in time t for t is greator or equal to 0 is given by x= 1/3t^3 - 3t^2 +8 A) show that at time t= 0 the particle is moving to the right. B) find all values of t for which the particle is

    asked by Aparna on January 27, 2013
  28. Macroeconomics

    A bank has issued 4 billion in transactions deposits and 2 billion in time deposits and other nontransactions deposits. Its other liabilities and net worth equal 1 billion. The bank has 100 million in total reserves. The only reserve requirement that this

    asked by Mel on October 13, 2010
  29. 10

    A runner is at the starting gate and hears the starting gun. He begins running with a constant acceleration ai = 0.55 m/s2. He crosses the finish line at d = 100 m and then begins slowing down. It takes him tr to cross the finish line. It takes him ts =

    asked by joe on September 11, 2014
  30. Solvent temp

    Question: A student dissolved 0.30 g of a crude product in 10.5mL (the minimum amount required) ethanol at 25 degrees C. He cooled the solution in an ice-water bath for 15 minutes and obtained beautiful crystals. He filtered the crystals on a Hirsch funnel

    asked by Sheryl on September 30, 2006
  31. Social Studies

    1. Which group in Spanish colonial society filled high government positions? A. Creoles B. Mulattoes C. Mestizos D. Peninsulares*** 2. Why did France and great Britain clash in the 1700s in North America? A. Great Britain wanted French gold mines*** B.

    asked by No name on October 26, 2018
  32. math- precalculus

    I've attempted this problem a few times but I can't get the right answer. Can someone show me how I can do it? A ship leaves the port of Miami with a bearing of 100 degrees and a speed of 15 knots. After 1 hour, the ship turns 90 degrees toward the south.

    asked by jared on March 21, 2009
  33. Math

    Triangle with vertices: D(-18,12) E(-6,-12) F(12,6) Show that the right bisectors of the sides of triangleDEF all intersect at point C(-4,4), the circumcentre of the triangle. -I found the midpoint of DF then the slope of the midpoint and point E, then

    asked by Anonymous on October 14, 2012
  34. physics

    find the average of a block being propelled propelled by an elastic band. We know it is uniform acceleration. my attempt on this problem Measure the force applied of elastic band with a newton scale. The more you strecth the farther the distance the block

    asked by james on June 12, 2007
  35. chemistry

    concentrated aqueous sulphuric acid is 98% sulphuric acid by mass and has a density of 1.80 g/l. Volume of acid required to make one litre of 0.1M sulphuric acid solution is

    asked by Pooja on July 31, 2013
  36. Chemistry

    What will be the freezing point of a solution made by dissolving 5.25 g of naphthalene (C10H8) in 100.0 g benzene (C6H6?). The normal freezing point of benzene is 5.5°C and K f (benzene) is 5.12°C / m.

    asked by Emily on September 4, 2014
  37. Chemistry

    Calculate the mass of water that must be added to .45 mol of glucose to make a solution of 15 percent by mass. The molar mass of glucose is 180g/mol

    asked by Dal on March 1, 2013
  38. chemistry

    In Chemistry: what is ph during the titration of 20.00ml of 0.1000m triethylamine (ch3ch2)3n (kb=5.2x 10-4) with 0.1000m HCL solution after the additions of titrant : a) 0ml (b) 10.00ml (c) 19.00ml (d)15.00ml (e) 20.00ml (f) 25.00ml

    asked by jain on October 17, 2011
  39. Math

    William solves the equation 5(3x-2)=15x-2. How many solutions does he find? A.0 solutions B.1 solution C.2 solutions D.Infinitely many solutions I'm only up to making it to: 15x-10= 15x-2 I was also wondering if I did anything wrong.

    asked by Rabie on April 2, 2015
  40. general chemisty

    Calculate the freezing point of a solution of 20.0 g methyl salicylate, C7H6O2, dissolved in 800 g of benzene, C6H6. Kf for benzene is 5.10°C /m and the freezing point is 5.50°C for benzene. A) -1.05°C B) 1.05°C C) 4.45°C D) 6.54°C

    asked by Amy on September 26, 2010
  41. chemistry

    The solubility of an ionic compound is 30 grams of compound in 100 mililiters of water. If 60 grams of the compound is dissolved in 200 mL of water, the solution will saturated. t/f

    asked by stella on December 6, 2010
  42. Chemistry

    if metal A is placed in an ionic solution containing metal B ions and no reaction occurs, then metal B is most likely: A.) a halogen B.) higher on the activity series C.) not on the activity series D.) a catalyst

    asked by Lauren on November 28, 2010
  43. Chemistry

    I took 25 mL of an unknown weak acid and added it to 10 mL of NaOH solution. I measured the pH and got 2.88 with concentration of NaOH @ .0098 and weak acid at 0.0102. What is pKa for the acid?

    asked by tc on May 5, 2012
  44. chemistry

    the pH of the solution obtained by mixing 400ml 0.1M acetic acid, 50ml 0.1M sulphuric acid and 50ml 0.3m sodium acetate is (Ka of acetic acid is 1x10-5)

    asked by selvi on April 21, 2010
  45. Chemistry

    Calculate molarity of HNO3 please help? Calculate molarity of HNO3 prepared by dissolving 22.3 grams of HNO3 in water to make 875 ml of solution... Please help I'm stuck

    asked by Alex on May 8, 2014
  46. Chemistry

    What is the percent by mass of glucose in a solution containing .15 mol of glucose dissolved in 410 g acetic acid? The molar mass of glucose is 180g/mol.

    asked by Lydia on March 1, 2013
  47. 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 on October 29, 2012
  48. Math

    Using the binomial theorem, Find the first three terms in the expansion of (x-(1/x))^5. My solution: C(5,0)x5 + C(5,1)(x4)(-1/x) + C(5,2)(x3)(-1/x)2 x5 + (5)(x4)(-1/x) + 10(x3)(-1/x)2 x5 + (-5x4/x) + 10(x3)(1/x2) x5 + (-5x3) + 10(x) x5 -5x3 + 10x The first

    asked by Ed on January 10, 2011
  49. science

    Ethanol can also be manufactured from glucose, C6H12O6. C6H12O6 2CO2 + 2C2H5OH. A solution containing 18 kg of glucose makes only 0.92 kg of ethanol. Calculate the percentage yield of ethanol.

    asked by sofia on April 13, 2014
  50. 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 on October 29, 2012
  51. Math

    Using the binomial theorem, Find the first three terms in the expansion of (x-(1/x))^5. My solution: C(5,0)x5 + C(5,1)(x4)(-1/x) + C(5,2)(x3)(-1/x)2 x5 + (5)(x4)(-1/x) + 10(x3)(-1/x)2 x5 + (-5x4/x) + 10(x3)(1/x2) x5 + (-5x3) + 10(x) x5 -5x3 + 10x The first

    asked by Ed on January 9, 2011
  52. Algebra

    The booster club raised $102 in their car wash. They want to buy $18 soccer balls for the soccer team. Write and solve an inequality to find out how many soccer balls they can buy.

    asked by Zaria on November 12, 2012
  53. Math

    kory is standing near a building that has a shadow that is 14 feet long. Kris is 5.5 feet tall, and the length of her shadow is 3.5 feet. set up and solve a proportion to determine the height of the building.

    asked by Jack on December 5, 2017
  54. geometry

    brett is using wallpaper to decorate two walls of his bedrroom. each wall is 14 feet by 18 feet. if one roll covers about 27 square feet, how many rolls will brett need to cover both walls? how do u solve it idk

    asked by tiny on November 27, 2009
  55. math

    suppose that one bacterial cell divides every 30 minutes to make 2 cells. write an expression to find how many cells there will be after 3 hours. then solve to find the total number of cells after 3 hours.

    asked by jayson on August 31, 2012
  56. Mr.mr

    Make up two equations, one that is true and one that is false. Do not state which equation is true and which is false. 2. Create an example of an open equation that uses the variable x and would require two or more steps to solve. Can someone give me an

    asked by Algabra on August 26, 2017
  57. algebra

    A farm raises a total of 220 chickens and pigs. The number of legs of the stock in the farm totals 520. how many chickens and pigs are there on the farm. using systems of equations to solve

    asked by Jarrad on January 25, 2011
  58. Math

    What is the median of Variable B? Scatter plot on a first quadrant coordinate grid. The horizontal axis is labeled Variable A. The vertical axis is labeled Variable B. Points are plotted at (two, two), (two, eight), (four, three), (five, one), (six,

    asked by Marc-Anthony on January 19, 2016
  59. GEOMETRY

    I'm working on a story problem that is using 30-60-90 triangles. I have to solve for the hypotenuse. The long leg is 6 feet. So, short leg would be 6 = x square root of 3 /3...Then I'm stuck. I know the hypotenuse is dbl the short leg

    asked by sweet pea on February 12, 2016
  60. math, inequalties

    THIS SEASON, NORA HAS 125 AT BATS IN SOFTBALL. BY THE END OF THE SEASON SHE WANTS TO HAVE AT LEAST 140 AT BATS. HOW MANY MORE AT BATS DOES NORA NEED TO REACH HER GOAL? PLEASE HELP, I NEED TO WRITE AND SOLVE AN INEQUALITIES THAT MODEL THE SITUATION. THANKS

    asked by Justin on November 30, 2011
  61. Exact value

    How to find the exact value of lim (2^h - 1)/ h h->0 Thanks in advance. If you use lim dx->0 of [f(a + dx) - f(a)]/dx = f'(a) and recognize 1=20 [20+dx - 2

    asked by Jen on October 20, 2006
  62. Math

    A company’s profit is described by the equation P(x) = – 5x^2 + 300x + 15,000 where x is the price in dollars that the company charges for its product. What should the company charge for the product to generate the maximum profit? a.) $20 b.) $30 c.)

    asked by Anonymous on February 4, 2014
  63. math

    please help me to solve this assignment : consider a 2D mirror has a parabolic profile of y = (x-3)^2 + 5 facing toward y^+ direction. Prove that any beam of light in y^- direction that this hits the mirror will be reflected toward a particular point (i.e.

    asked by deel on September 18, 2012
  64. Physics

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

    asked by Anna on September 19, 2010
  65. Algebra

    If 3 is subtracted from the numerator of a certain fraction, the value becomes 2/3. If 10 is added to the denominator of the original fraction, the value becomes 1/2. Find the original fraction. Solve the problems by using 2 variables HOW DO I START THIS

    asked by BIBIN on March 25, 2012
  66. math

    a store manager is accipting applications for part time workers. He can hire no more than 14 people. So far he has hired 9 people. Write and solve an inequality to determine how many more people the manager can hire

    asked by rick on January 25, 2016
  67. Science Physics

    On the surface of the Moon an astronaut has a weight of Fg = 120 N. The radius of the Moon is Rm = 1.74 x 106 m, the gravitational constant is G = 6.67 x 10-11 N m2kg2 and the mass of the Moon is Mm = 7.35 x 1022 kg. Solve numerically for the mass of the

    asked by Precious on October 9, 2014
  68. English

    Is this right? Complete subject: Sniffer dogs Simple subject: dogs Sniffer dogs trained to detect drugs, blood, and explosives can help solve crimes and save lives.

    asked by Daniella on August 24, 2016
  69. Math - 8th grade

    We are just starting this section, and I'm confused...Please help me understand how to solve this inequality: (one fifth r is less than two) 1/5r < 2 Also, simplify: (the #s are exponents) z3 . z3 x12/x3 By 1/5r you mean r/5 or 1/(5r)? z^3 . z^3 = z^6

    asked by Shawn on January 3, 2007
  70. Math 116

    How do you write an inequality for this problem. You have a budget of $2.500.00 and you want to buy 30 tons of rock for $60.00 per ton. You also want to plant trees for $84.00 per tree. Write an inequality that illustrates this problem and solve the

    asked by Janeen on October 28, 2009
  71. integral confusion

    integral of Sec[2x]Tan[2x] i know u is sec 2x du=2sec2xtan2x dx what would i have to multiply with du so it would equal tan 2x dx? if my question is confusing, then here's another example of what i'm talking about: integral of (3x-2)^30 dx u=3x-2 du=3 dx

    asked by julie on November 26, 2007
  72. algebra1

    How do i solve this problem? 2(x-3)-3(x+5)=3(x-2)-7 what are the steps to solving this equation? HELP!!! Multply out the parentheses and then combine terms First step: 2x - 6 -3x -15 = 3x -6 -7 -x -21 = 3x -13 Nox add x + 13 to both sides of the equation

    asked by jason on March 22, 2007
  73. math help please

    Identify the missing info that would be necessary to solve the following which type of graph would be more appropriate to represent the number of inches of rain during a 6 - week period a bar graph or a line graph? what is the missing info

    asked by daniel on October 3, 2013
  74. Math

    What is the median of Variable B? Scatter plot on a first quadrant coordinate grid. The horizontal axis is labeled Variable A. The vertical axis is labeled Variable B. Points are plotted at (two, two), (two, eight), (four, three), (five, one), (six,

    asked by Marc-Anthony on January 19, 2016
  75. Trig

    assume A= alpha using complementary rule how do I solve for alpha? cos(2A+40) =sin(3A-60) I don't understand how to start the question. What are the steps in solving for alpha. Do i get cos to equal sin somehow?

    asked by ALISON on September 1, 2011
  76. Phsyics

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

    asked by Rosemendz on September 19, 2010
  77. math

    the bus route passes through sierra blanca/ which is 90 miles from el paso. about how laong does it take the bus to get t sierra distance = rate * time 90mi = 60mph * time solve for time

    asked by chemiii on October 2, 2006
  78. Math

    Solve the proportion: You can find the distance from a thunderstorm by counting the number if seconds between the lighting flash and thunder. For example, if the time difference in 21 seconds, then the storm is 7 km away. How far away is the storm if the

    asked by Amy on January 9, 2016
  79. math

    A book publisher is shipping a new book in boxes of 200. If 30 boxes fit in 1 shipping crate, how many books are in 20 shipping crates? Explain the mental math you used to solve the problem.

    asked by Deshawn on September 2, 2014
  80. Math

    The minute hand of a clock is 6 inches long and moves from 3 o clock to 5 o clock. how far does the tip of the minute hand move. Express your answer round to two decimal places. Can you solve this?

    asked by Deborah on April 21, 2014
  81. MATH!!

    Joe and Susan invested $1500 at Bank of America in 2000, at 4% compounded quarterly. In the year 2005 they moved to another city and took the total money from their investment added $500 and invested in at Bank Bravo, at 5% compounded quarterly. a) What is

    asked by Anna on November 24, 2014
  82. Chemistry

    Here's a molar heat problem I just have one question on. How much heat will be transferred if 2 moles of hydrogen reacts with excess oxygen according to the reaction below? 2H2 + O2 yields 2H20 + 572 kJ The answer according to my answer key is 2 mole H2 x

    asked by Tabetha on May 18, 2009
  83. Social Studies

    Why were many countries still dependent on outside help from other nations, such as the United States, following their independence in the 1800s? A. The colonies were weak, and other nations promised to maintain military bases in their countries in order

    asked by Yellowkittycorn on December 12, 2017
  84. ENG 098

    Can you convince people NOT to eat Oreos? Think of a famous person like an athlete, an actor, politician, or talk show hosts. Write two paragraphs: one to convince this person to purchase OREOS and another to convince this person not to purchase OREOS. You

    asked by Serria on April 27, 2014
  85. physics

    Three forces are applied to an object. Force 1 has a magnitude of 22.0 newtons (22.0 N) and is directed 30.0° to the left of the +y axis. Force 2 has a magnitude of 15.0 N and points along the +x axis. What must be the magnitude and direction (specified

    asked by emilee on January 28, 2010
  86. Chemistry

    The first excited state of the hydrogen atom is separated from the ground state by 10.2 eV. (a) At what wavelength does this occur and what is the energy difference in kJ mol-1 between the ground and excited states? Show your working in each case. (b) If

    asked by Hobson on March 28, 2010
  87. Biology

    In a certain species of rabbit, black fur is dominant to white fur. A male rabbit with black fur that is a heterozygote is crossed with a female rabbit with black fur, which is also a heterozygote. Using a Punnett square, show what the genotypes and

    asked by Sam on March 5, 2019
  88. Science

    A car starts from rest and attains a velocity of 40 metres per second in 20 seconds. it maintains this velocity for 30 seconds and then comes to rest in 25 seconds. 1. sketch the velocity time graph for the motion. 2. Calculate the acceleration of the

    asked by Clinton Darlington Yartey on November 1, 2016
  89. English

    Identify the main conflict from "the fall from the house of usher " and show what it reveals about the story's protagonist . I have studied this story and I'm not able to find one main conflict, I have found a couple but none add up to the point of what it

    asked by Michele on September 20, 2016
  90. Child Developmental

    Which of the following statements is TRUE? a.Younger children are as likely as older children to remind themselves that they need to pay attention. b.Younger children know fewer attentional "tricks of the trade" than older children. c.Younger and older

    asked by Woody on October 2, 2015
  91. Physic (concepts-please check my thoughts)

    A net torque applied to a rigid object always tends to produce? a)translational acceleration b) rotational equilibrium c) rotational acceleration d) rotational inertia e) none of these work (c) Torque produces torsion and tends to produce rotation. The net

    asked by Diane on December 10, 2006
  92. Physics

    A golf club contacts a ball for 0.15 s at angle to horizontal and the ball strikes ground distance from fairway. Initaila speed 25 m/s and angle of projection is 15 degrees Calculate time between ball leaving club and when it first touches ground range of

    asked by LynAnne on October 6, 2010
  93. Physics

    A golf club contacts a ball for 0.15 s at angle to horizontal and the ball strikes ground distance from fairway. Initial speed 25 m/s and angle of projection is 15 degrees Calculate time between 1.ball leaving club and when it first touches ground 2.range

    asked by LynAnne on October 6, 2010
  94. Chemistry

    Draw a diagram to illustrate your explanation of how the charge of a single electron was determined. I'm suppose to draw a picture to show how they determined electrons were negative, but am unsure of what to draw for it. One of my ideas is to draw a

    asked by Anonymous on June 30, 2015
  95. chemistry

    Please help!... Lakes that have been acidified by acid rain (HNO3 and H2SO4) can be neutralized by a process called liming, in which limestone (CaCO3) is added to the acidified water. Write ionic and net ionic equations to show how limestone reacts with

    asked by Anonymous on October 12, 2010
  96. college stat

    Use the graphic to show the sampling distributions of means for the sample from Prison A (n=82) and the sample from Prison B (n=37). Mark the expected value of the mean and the standard units. Shade in the critical zone for alpha = .05.Locate each sample

    asked by sammy on July 24, 2012
  97. Chemistry

    Describe how you can show that a chemical reaction adhers to the law of conservation of mass. Chemical reaction: magnesium hydroxide added to phosphoric acid produces magnesium phosphate and water. Find the mass percentage of each compound as well as the

    asked by Jessica on December 10, 2008
  98. Chem

    This question is also confusing me… The density of diamond is 3.51 g/cm^3 and the density of platinum is 21.43g/cm^3. If equal masses of diamond and platinum are transferred to equal volumes of water in separate graduated cylinders, which graduated

    asked by Amy on September 1, 2015
  99. math

    Nancy's birthday is between August 10 and August 24. The date of her birthday is not an even number. The sum of the digits is 4. Show how to find the date of Nancy's birthday.

    asked by Anonymous on August 21, 2012
  100. Calculus

    The equation of a circle, C, is x^2 + y^2 + 6x - 8y +9=0. Find the center of C and find the radius of C. Show that the C touches the x-axis. Find the equation of the circle which is a reflection of C in the y-axis

    asked by Sabrina on August 26, 2015

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