1. physics

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.4 m away. After a unning start, he leaps at an angle of 17◦ with respect to the flat roof while traveling at a speed of 4.3 m/s. The

    asked by Kacie on December 4, 2016
  2. physics

    In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 4.9 m away. After a running start, he leaps at an angle of 17 ◦ with respect to the flat roof while traveling at a speed of 5.8 m/s. The

    asked by Anonymous on November 7, 2013
  3. Physics

    An object is dropped from rest from the top of a 400 m cliff on Earth. If air resistance is negligible, what is the distance the object travels during the first 6s of its fall? a)30m b)60m c)120m d)180m e)360m I got a) as my answer. I used x-x_i = v_i * t

    asked by me on December 28, 2006
  4. Phyics help

    I have a few physics questions: 1. How much mechanical work is done by a weightlifter holding a mass of 100 kg, 2.0m above the floor for 3.0 s? Explain ur answer. 2. Calculate the force needed to do 2.0 kJ of work to push a load of bricks 10m? 3. A

    asked by Anonymous on April 9, 2011
  5. Government (with answer choices)

    Who has the power... (answer can be CONGRESS, HOUSE, SENATE, PRESIDENT, OR SUPREME COURT) 1. make laws 2. veto a legislative measure 3. make treaties 4. declare war 5. declare a law unconstitutional 6. coin money 7. regulate commerce 8. issue an executive

    asked by Tyler on October 10, 2007
  6. Chemistry

    So I have had several homework problem like this and managed to solve them easily, but these two problems I cannot get the correct answer for. Using a Table of thermodynamic data, calculate the change in Gibbs free energy for each of the following

    asked by Don on February 17, 2011
  7. Health

    Which activiy is an excellent stragety to help maintan strong teeth and healthy gums? A) treating gum disease B) treating tooth decay 2. The proper way to take care of your skin would be - A) Burst pimples before they get too big B) use quality products to

    asked by Sliverstream on February 1, 2019
  8. Physics

    A person places the speakers 4.0 m apart and connects a signal generator to both speakers that produces a single and consistent tone. (constant wavelength and frequency) He then walks to a point that is 2.0 m from one speaker and 2.3 m from the other. At

    asked by Ann on December 13, 2010
  9. Physics

    A person places the speakers 4.0 m apart and connects a signal generator to both speakers that produces a single and consistent tone. (constant wavelength and frequency) He then walks to a point that is 2.0 m from one speaker and 2.3 m from the other. At

    asked by Ann on December 13, 2010
  10. Math

    Suki worked on math problems for 2hours on Monday , 2 hours on Tuesday, 2 hours on wednesday , 2 hours on Thursday , and 2 hours on Friday. How many hours did she study math in all? Answer : 5x2=10 Cashshews, brazil nuts, and peanuts originally grew in

    asked by Joji on November 18, 2013
  11. PHYSICS!!!!HELP PLEASE

    A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1 /6 g. Find the reading of the

    asked by MIKE on January 25, 2013
  12. Math

    Earth orbits the sun in an elliptical pattern. the equation of earths path is (x+2.5)/22350.25 + y^2/22344=1 where the measurements represent millions of kilometers. The sun is located at the focus (0,0). In january, earth id located at one vertices which

    asked by Katt on December 11, 2017
  13. principles of finance some please help me!

    The fixed cost for a firm drop by 25%. Prior to this breakthrough fixed cost were $100,000 and unit contribution maegin was and remains at 5.00. The new amount of break-even units will be: Thank You Very Much! ps: I got two answer Some information appears

    asked by Jean on March 29, 2007
  14. physics

    Two objects of masses m1 = 0.58 kg and m2 = 0.92 kg are placed on a horizontal frictionless surface and a compressed spring of force constant k = 300 N/m is placed between them as in figure (a) shown below. Neglect the mass of the spring. The spring is not

    asked by sherry on March 8, 2016
  15. Qualitative analysis

    Aqueous sodium hydroxide is added to a mixture of an aqueous solution of X with some aluminium alloy. On warming, ammonia gas is evolved. When X is treated with aqueous ammonia, a white precipitate that is soluble in excess aqueous ammonia is obtained.

    asked by Cheezel on November 17, 2016
  16. Algebra 1

    I did this conversion problem, but I think it's incorrect. Problem: A bread slicer runs 20 hours per day for 30 days and slices 144,000 loaves of bread. How many loaves per minute are sliced? I did 20hr/1days times 30days/600hrs times 1hr/60mins times

    asked by Maya on October 16, 2014
  17. physicss

    A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1 /6 g. Find the reading of the

    asked by MIKE on January 25, 2013
  18. Physics (Rotation)

    In the figure, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint:

    asked by Anon on April 12, 2014
  19. Science-DrBob222-Help

    I’m sorry, that’s exactly the way the question is written! I was confused by it myself! I think it means: Suppose you are at a concert and a singer’s voice is radio broadcast all around the world before reaching the radio you hold to your ear. This

    asked by Lizzie on January 25, 2010
  20. physics

    A man stands on his balcony, 120 ft above the ground. He looks at the ground, with his sight line forming an angle of 50 degrees with the building, and sees a bus stop. The function d = 120 sec θ models the distance form the man to any object given his

    asked by Boba Fett Up on May 21, 2014
  21. AP Chem

    Hey guys! Thanks for any help in advance! I'm back with this problem: Calculate the percent dissociation for a 1.00 × 10-6 M solution of HCN at 25 °C. Ka = 4.90 × 10-10. So my question really is do I have to use water when I calculate the percent

    asked by Allie on October 12, 2015
  22. Chemistry -Flame colors (check+help)

    What are the characteristic flame color for sodium, potassium, barium, copper, strontium, and calcium? Explain why? Ans: i know the flame colours, but for the explain why, could the below be a possible answer? The characteristic flame color is due to the

    asked by Farah on February 14, 2011
  23. Microbiology

    Please help me answer this question. Thanks a lots. Some Archaea have ATPases with different H+:ATP ratios. Assumes the delta Gp for ATP synthesis in one such organism is -518 mV. The minumum delta P required to generate ATP with a typical bacterial ATPase

    asked by Steven on February 9, 2012
  24. Physical science

    A 50 kg pole vaulter falls from rest from a height of 5 meters onto a foam rubber pad. The pole vaulter comes to rest 0.22 seconds after landing on the pad. Calculate the athlete's velocity just before reaching the pad. Answer in m/s. I am so confused

    asked by Anonymous on February 25, 2008
  25. FINANCE

    Assume the returns from holding small-company stocks are normally distributed. Also assume the average annual return for holding the small-company stocks for a period of time was 16.5 percent and the standard deviation of those stocks for the period was

    asked by Alec on April 2, 2014
  26. Education

    Which of the following is true of memory? A) Teens have more false memories than younger children because teens have lived longer and have heard more stories that they incorporate into their memories falsely. B) Children in early childhood have more false

    asked by Lor on September 17, 2013
  27. PHYSICS *_* HELP PLEASE

    A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1 6 g. Find the reading of the

    asked by MIKE on January 25, 2013
  28. physics

    light travels from ethanol intro crown glass. what's the brewster angle in this situation? illustrate your answer with a light ray diagram. what's the signifcance of this angle of incidence? n1=1.36for ethanol nR=1.52 for crown glass tanangleB=nR/ni

    asked by Lora on January 16, 2010
  29. Physics

    A skier starts from rest at the top of a hill that is inclined at 12.0° with the horizontal. The hillside is 180.0 m long, and the coefficient of friction between the snow and the skis is 0.0750. At the bottom of the hill, the snow is level and the

    asked by smh on March 18, 2012
  30. AP CHEMISTRY

    I really need this please!!!!!!! : write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s) NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium

    asked by DAN on March 19, 2012
  31. college algebra

    A store sells cashews for $5.00 per pound and peanuts for $1.50 per pound. The manager decides to mix 30 pounds of peanuts with some cashews and sell the mixture for $3.00 per pound. How many pounds of cashews should be mixed with the peanuts so that the

    asked by addy2017 on August 5, 2014
  32. Stats - Help!!!

    A student wanted to know the favorite lunch at a large high school with a closed campus. What is the first step in conducting a statistical study to answer the question? A. Select a random sample of students. B. State the goal of the study precisely. C.

    asked by Angela on April 14, 2016
  33. Physics

    A star of mass 2.0 1028 kg that is 1.6 1020 m from the center of a galaxy revolves around that center once every 3.4 108 years. Assuming that this star is essentially at the edge of the galaxy, each of the stars in the galaxy has a mass equal to that of

    asked by winterWX on February 16, 2007
  34. hisory

    How does the location of where Carolina lives in Mexico shape her life and the opportunities available for her and her family? Write 3-5 sentences in which you provide three examples of how this particular location in Mexico has had an influence on

    asked by teddy:-) on November 25, 2017
  35. help

    The interest rate on a second mortgage was5 7/8 % last month. This month the interest rate is 7 3/2 %. How many percentage points has the interest rate increased? Are you sure you mean 7 3/2% ? No lender would write an intereest rate that way. Perhaps you

    asked by carmen on March 26, 2007
  36. math

    find the standard deviation for the following: 8,5, 12, 8, 9, 15, 21, 16, 3. There is a formula but our teacher wants us to do it a specific way. For example, 47, 41, 32, 53, 57. First you find the mean, which is 46 and then subtract it with each number in

    asked by sarah on December 8, 2013
  37. Social Studies/History

    Can someone please help me(without giving me the answers) with some research. Each question asks about to people, but I have to answer for each person separately. The two people are Frederick Douglass, and Andrew Jackson. After all of that is done it still

    asked by Aria on May 16, 2016
  38. Statistics (Poisson)

    Cars arrive at a toll booth according to a Poisson process with mean 80 cars per hour. How long can the attendant's phone call last if the probability is at least .4 that no cars arrive during the call. The book's answer is 23 seconds. That doesn't match

    asked by Sean on July 19, 2009
  39. AP CHEMISTRY

    I really need this please!!!!!!! : write the equilibrium-constant expression and calculate the value of the equilibrium constant for each of the following reactions at 298 K. (a) NaHCO3(s) NaOH(s) + CO2(g) Answer: Keq = PCO2 (b)Value of the Equilibrium

    asked by DAN on March 19, 2012
  40. chem question

    This is on a practise exam I have and I cant get part of it, I don't know if it is not only due to my not understanding but to the fact that the first two parts might be wrong. Thanks for your help if you can. Heres the question: A coffee-cup calorimeter

    asked by Natalie on June 20, 2006
  41. math word problem

    The Main Hall on the college campus has four main levels, from the basement up to the third floor. The technology staff in the basement occasionally needs to see the President, who is on the first floor, and the Dean who is on the third floor. The stairs

    asked by M.A. on November 2, 2010
  42. Statistics

    Types of bonds are divided into three categories: good risk, medium risk, and poor risk. Assume that of a total of 13,838 bonds, 7,035 are good risk, 1,388 are medium risk, and the rest are poor risk. One bond is chosen risk? Write only a number as your

    asked by Obi on October 1, 2015
  43. Biology Help!!!

    Describe the relationship between ATP and ADP and the importance of this relationship within a cell. My answer: ATP stands for Adenosine Tri-Phosphate, and is the energy used by an organism in its daily operations. It consists of an adenosine molecule and

    asked by School Lover on September 22, 2014
  44. Chemistry

    I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I

    asked by Mark on March 18, 2010
  45. algebra

    How do I do substitution equations out of the equations in the system, pick the one that has the least amount of funky numbers. then make that equation equal to either x or y(or any other variable dependin on what kind of systems youre doing, usually just

    asked by Adraen on November 30, 2006
  46. Chemistry

    I'm having a hard time with Redox and how to figure out which is redox Select all of the reactions that are redox reactions. I) Ca + 2H2O  Ca(OH)2 + H2 II) CaO + H2O  Ca(OH)2 III) Ca(OH)2 + H3PO4  Ca3(PO4)2 + H2O IV) Cl2 + 2 KBr  Br2 + 2 KCl I

    asked by Mark on March 18, 2010
  47. Mathematics/pre-algerbra

    how do I find a value of x that will make each proportion true?? 12 = x ___ ___ 16 20 and 8 = 14 __ ___ 12 x See previous post. i still don't get it sorry Cross multiply to find x. Here's the first one; perhaps you can try the second one on your own. 12/16

    asked by Joe on April 9, 2007
  48. Algebra

    Tom went on a 3 Day road trip in which he drove the same number of miles each day. He drove 42 mph the first day. He drove 48 mph the second day. On the last day he drove a x mph. His average speed for the whole trip was 47 mph. Find x and write your

    asked by HT on October 1, 2014
  49. Math

    The CN Tower in Toronto, Canada, is the tallest free-standing structure in North America. A woman on the observation deck, 1150 ft above the ground, wants to determine the distance between two landmarks on the ground below. She observes that the angle

    asked by Anonymous on January 20, 2013
  50. Chemistry

    Oxidation State numbers For Fe3+ i got 3+ b/c Oxidation state monatomic ion = ionic charge and i got that answer wrong. i am receiving wrong answers for these below aswell. I used these rules for the following -Alkali metals are always +1; alkaline earths

    asked by Jerry on October 5, 2010
  51. Health

    Mandy wants to win the local youth tennis tournament next fall. Her coach has said that her serve is powerful enough, but she suggests Mandy train with a jump rope to improve her ability to cover more ground on the court when she’s playing. Why would her

    asked by Steve on December 31, 2013
  52. statistics

    10. You have proposed a hypothesis that right-handed (RH) subjects will be superior in spatial analysis compared to left-handed (LH) subjects. Spatial analysis skills are being assessed on a scale which yields scores on a linear numerical scale. Given the

    asked by Linda on December 6, 2011
  53. physics

    A glider on an air track is connected by springs to either end of the track. Both springs have the same spring constant,k , and the glider has mass M. A)Determine the frequency of the oscillation, assuming no damping, if k= 125N/m and M= 250g. (I got the

    asked by kelsi on May 25, 2009
  54. science

    A mixture of two gases, C2H2 and H2, has the properties listed below. nC2H2=0.028moles nH2=0.015moles PC2H2=79torr What is the PT for this mixture? I first found out the mole fraction by first adding H2 and C2H2 and got 0.043, then did 0.028/0.043. I

    asked by Tiffany on August 25, 2010
  55. CHEMISTRY HELP !!!! CHECK !!!

    Al3+ is reduced to Al(s) at an electrode. If a current of 2.75 ampere is passed for 36 hours, what mass of aluminum is deposited at the electrode? Assume 100% current efficiency. a. 9.2 x 10–3 g b. 3.3 x 101 g c. 9.9 x 101 g d. 1.0 x 102 g e. 3.0 x 102 g

    asked by YULCHANG on May 8, 2014
  56. Chemistry

    At constant volume, the heat combustion of a particular compound is -3447.0 KJ/mol. When 1.205 g of this compound (molar mass = 119.94 g/mol) was burned in a bomb calorimeter, the temperature of the calorimeter (including its contents) rose by 5.007

    asked by Angela on December 9, 2012
  57. MATH 115

    The price of a home in Medford was dollar-sign Baseline 100,000 in 1985 and rose to dollar-sign ⁢ 148 ,000 in 1997. a. Create two models, f(t) assuming linear growth and g(t) assuming exponential growth, where t is the number of years after 1985. Round

    asked by Anyno. on October 17, 2016
  58. maths/physics/biomechanics

    At the beginning of a race, a yacht crosses the start line and sails in westerly direction at a speed of 4 m s-1. The current of the sea is flowing at 2 m s-1 towards the north-east. Calculate how far [8 marks] and in what direction (relative to west) [8

    asked by alex on February 9, 2012
  59. Physics

    I found the average acceleration of earths orbit around the sun over a period of 5 days by calculating delta theta and dividing by radius and 1/T. I got the right answer but as I am studying for my test, I am seeing the units do not work...does this make

    asked by Brenda on October 24, 2012
  60. Chemistry Test Tomorrow

    I don't actually have problems, but I have a test over stoichiometry tomorrow, which is pretty much going to determine my semester grade. I was just wondering if anyone knew any helpful tips, hints, or just an easier way to explain the basics of

    asked by Trish on December 14, 2006
  61. Language

    Is this correct? Lessons are what we took at the pool to learn to swim better. Answer: to learn to swim better, we took lessons at the pool.

    asked by Please Help on August 14, 2014
  62. Physics

    Object 1,which has a mass of 5 kg, is thrown at 10 m/s. Object 2 has a mass of 8 kg. With what speed should the second object be thrown for it to have the same momentum as Object 1? My answer: 6.25 m/s

    asked by Anonymous on February 7, 2018
  63. Physics

    What are the products (either vector or scalar for each answer) of: a) scalar x scalar b) scalar x vector c) vector x vector A simple concept, but I want to be sure I get it right! Thanks for any help :)

    asked by Amy on October 24, 2014
  64. Math

    Decide whether each equation has one solution, no solutions, or infinitely many solutions. 3(y-3)=2y-9+y A. One solution B. No Solutions C. Infinitely many solutions I did 3*y 3*3=9 2y=9+4 3-*=-6 x-27 Is the answer A?

    asked by Gwen on September 16, 2014
  65. English

    1. Who are they? They are student reporters. 2. What are they? They are student reporters. 3. What's their job? They are student reporters. 4. What do they do? They are student reporters. (Which questions are suitable for the answer?)

    asked by rfvv on April 1, 2013
  66. Social Studies

    what was the name of Lincoln's home and where was it located? Answer: I think his home was located in Springfield Illinois, and the name of his home was Lincoln's home.

    asked by Anonymous on July 16, 2014
  67. Math

    i need this answer A.S.A.P what is the volume of pyramid C if the volume of pyramid D is 4608 m cubed and the height of pyramid D is 24 and the height of pyramid C is 12

    asked by Jack on April 18, 2017
  68. Math

    4x-2=12 represented as a sentence is A two less than four times a number is 12 B four times two less than a number is 12 C four times a number is two less than 12 D four times a number less than two is 12 my answer is d. am I correct?

    asked by ILTHSM_ on November 9, 2018
  69. MATH PLEASE HELP!!!!!

    There are 36 buttons in a jar. There are 3 times as many red buttons as white. 1. how many white buttons are there? 2. how many red buttons are there? My answer is 6,am i right?

    asked by LIDIA on August 18, 2011
  70. math

    Please show the ratio answer as #:#. The length of a pool is twice its width. What is the ratio of the length to the width of the pool?

    asked by taylor on July 5, 2012
  71. math VERY URGENT AND IMPORTANT

    Estimate the product of 1 9/10 and 15. Describe your method. Also,estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

    asked by Anonymous on January 15, 2013
  72. Math

    Did I do this right? Find the domain and range f(x)=-4x-2 y=-4x-2 x=-4y-2 x+2/-4=-4y/-4 f(x)=x+2/-4 answer: domain (all real numbers) range (all real numbers)

    asked by Beth on March 28, 2008
  73. Math

    Is -12x = 6y a direct variation? If so what is the constant of variation. My answer is yes it is a direct variation and the constant of variation is -2 but I want to make sure. Please help

    asked by lol on December 19, 2014
  74. Algebra

    what is a perfect square number i know 9, 25 and 100, but what else if you multiply a perfect square by a perfect square, is the answer always a perfect square

    asked by Cyleste on October 10, 2007
  75. Math

    (2y-3)(3y-2) A. 6y2-13y+6 B. 6y2-13y-6 C. 6y2+13y-6 * D. 6y2+13y+6 *my answer (btw the 2 next to 6y is an exponent) I think that it is C, but I want to be sure that it is correct.

    asked by Haley on May 29, 2015
  76. Science

    Most bacteria are a. unicellular eukaryotes b. unicellular prokaryotes c. multicellular eukaryotes d. multicellular prokaryotes is the answer d or c?

    asked by Talia on October 29, 2015
  77. Science

    Most bacteria are A: unicellular eukaryotes B: unicellular prokaryotes C: multicellular eukaryotes D: multicellular prokaryotes Is the answer B?

    asked by Anonymous on January 21, 2015
  78. Algebra

    2. Find the value of x^3 + 2x^2 - 3 when x=3 Answer-42 4. Compare the quantity in Column A with the quantity in Column B. Column A Column B The solution of The solution of 2(x-3) = 6x 3x + 2 + 5x + 6

    asked by lizzie on August 7, 2011
  79. English Check

    In the discussion, answer the question: Which of the following characters served as the antagonist in "The Cold Equations"? •Barton •Marilyn •Commander Delhart •Records •Gerry Use evidence from the text in the form of examples and explanations to

    asked by School Lover on September 8, 2014
  80. history

    i have 4 questions from an excerpt from President Truman's "Truman Doctrine" speech, made to Congress in March 1947. "nearly every nation must chose between... i believe that we much assist free peoples to work out their.." my first question is : when

    asked by history on March 31, 2009
  81. Psychology

    In Schachter and Singer's experiment, participants who received epinephrine injections reported euphoria in a happy situation and anger in an insulting situation. Why were the results difficult to interpret? a) Placebo injections produced the same results

    asked by Alex on October 1, 2016
  82. chem

    Write a partial decay series for Rn-220 undergoing the following sequential decays: á (alpha decay), á, â(beta decay), á. (Enter the mass number in the first raised box, the atomic number in the second lower box and the symbol of the element in the

    asked by lisa on September 30, 2010
  83. US History

    Hello, I am filling out a study guide for a test coming up in two days, and I can not seem to find this answer in my text book. Could someone please help? Which of the following is true of the Korean conflict? A. It ended with an enormous American victory.

    asked by Brooke on April 27, 2016
  84. Physics-Conservation of Momentum

    3. A train loaded with steel, moving at 90km/h, collides head on with a stationary train of mass 6000kg. if the trains couple after collision and move forward with a velocity of 80km/h, find the mass of the train loaded with steel. My work so far: PTO=PTF

    asked by Danielle on January 7, 2016
  85. College Algebra

    If 24% of your monthly pay is withheld for federal income taxes and another 6% is withheld for Social Security, state income tax, and other miscellaneous items, leaving you with $989.50 a month in take-home pay, then the amount you earned before the

    asked by Nancy on April 19, 2011
  86. PROBABILITY

    FIND THE EXPECTED PROFIT OR LOSS VALUE FOR 100,000 POLICIES: AN INSURANCE POLICY SELLS FOR $625. BASED ON PAST DATA, AN VERRAGE OF 1 IN 100 POLICY HOLDESWILL FILE $8000 claim, nd average of 1 in 250 policholders will file a $10,00 claim,and an average o 1

    asked by SNOOPY on April 17, 2008
  87. statistics

    A random sample of size 49 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 47 minutes, and the sample standard deviation 5.89 minutes. Construct a 95% confidence

    asked by Anonymous on July 17, 2010
  88. Physics

    A cyclist approaches the bottom of a gradual hill at a speed of 20 m/s. The hill is 4.4 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Ignoring air resistance and friction, find the speed at which

    asked by Zach on February 25, 2008
  89. INB

    Effects of Economic and Socioeconomic Forces: Choose one newly industrializing countries mentioned in the text (p. 102 International Business) Choose a product you think would be suitable to export to the country you chose based solely on that country’s

    asked by deshaun on May 7, 2008
  90. Civics

    10. Which of these statements about the Cuban Missile Crisis is true? A. President Kennedy removed nuclear missiles from Turkey to resolve the crisis. B. Fidel Castro's government had manufactured guided missiles. C. President Kennedy called Nikita

    asked by Sarah on April 25, 2015
  91. statistics

    The average life of Canadian women is 73.75 years and the standard deviation of the women's life expectancy in Canada is 6.5 years. Using the Chebyshev's theorem, determine the minimum percentage of women in Canada whose life expectancy is between 64 and

    asked by mzb on January 22, 2013
  92. physics

    A 25.7 kg mass attached to a spring scale rests on a smooth, horizontal surface. The spring scale, attached to the front end of a boxcar, reads T = 47.6 N when the car is in motion. If the spring scale reads zero when the car is at rest, determine the

    asked by jack on January 15, 2015
  93. math

    to play the nickel game a player tosses two coins at the same time if both coins land tails then the player wins $1 if both coins land heads up then they win $2 suppose you play this game 12 times and it costs $1 to play how much money could a player win

    asked by queen on April 28, 2018
  94. Chemistry

    Given that the solubility of sodium chloride is 36 grams per 100 grams of water. Which of the following solutions would be considered supersaturated? A. dissolve 5.8 moles of NaCl in 1 L of water B. dissolve 1.85 moles of NaCl in 300 ml of water C.

    asked by Coug on November 21, 2009
  95. algebra

    in the past professional baseball was played at the astrodome in Houston, Texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t + 45t

    asked by anon on April 11, 2013
  96. Environmental Science

    In completing this discussion question, you may want to list the pros and cons of allowing more mineral exploration and mining on public lands in the United States. Consider these factors in reaching your decision regarding exploration and mining on these

    asked by Michael on September 18, 2007
  97. calculus

    The Institute finds that the average student taking Elementary Shorthand will progress at a rate given by dQ/dt=k(80-Q) in a 20 -wk course, where Q(t) measures the number of words of dictation a student can take per minute after t wk in the course. If the

    asked by help please. on April 21, 2012
  98. Physics

    A concave, spherical mirror and a thin, converging lens are both measured in air (n=1.0) to have the same focal length, ff. Both the mirror and the lens are then placed under water (n=1.33) and their focal lengths are measured again. For both the mirror

    asked by Urgent Help Needed Please!!! on October 30, 2016
  99. 4th grade

    trains begin to stop at terminal b every morning at 5 a.m. and then come every 20 minutes for the next 3 hours. mr success needs 15 minutes to get to terminal b from his house. .if mr. success leaves his house at 7:08 a.m., what is the earliest time he can

    asked by dk on March 24, 2011
  100. math

    james is making fruit juice, using fruit cordial and water. the label on the cordial says "to make 1 litre of fruit juice, use 200 ml of cordial and 800 ml of water" james uses 250 ml cordial and 850 ml of water. is james using the correct proportions?

    asked by danielle on October 7, 2012

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