Questions Asked on
November 9, 2012

  1. 7th grade math Ms. Sue please

    1. What are the equivalent fraction and decimal for thirty-three and one-third%? (1 point) one over thirty-three and 0.3 one over thirty-three and 3 3three and one-third and CE_point thirty three repeating_large one-third and point thirty-three repeating

    asked by Destiny
  2. calculus

    A sample of a radioactive substance decayed to 94.5% of its original amount after a year. (Round your answers to two decimal places.) (a) What is the half-life of the substance? (b) How long would it take the sample to decay to 65% of its original amount?

    asked by kela
  3. Physics

    A uniform soda can of mass 0.135 kg is 12.4 cm tall and filled with 1.25 kg of soda (figure below). Then small holes are drilled in the top and bottom (with negligible loss of metal) to drain the soda. (Initially the soda can is full.)(a) What is the

    asked by Hailey56
  4. Physics

    Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.50 cm. At the higher point located at y = 2.50 m, the pressure is 1.30 105 Pa and the pipe

    asked by Ashley
  5. Physics

    A ball and a thin plate are made from different materials and have the same initial temperature. The ball does not fit through a hole in the plate, because the diameter of the ball is slightly larger than the diameter of the hole. However, the ball will

    asked by Chase
  6. Can someone check these answers...

    1. Which of the following events caused immigrants to migrate north after the civil war? -the passage of the homestead act****** -the emergence of industry in cities -advances in the printing industry - the completion of the transcontinental railroad 2.

    asked by Jessica
  7. chemistry

    What is pH of 0.1M solution of NH4Br, if the pKb of NH3 is 4.74?

    asked by Henry
  8. Math

    Gina uses a magnifying glass to look at bugs. A caterpillar that is 2 inches long appears 4.5 inches long through the glass. What is the scale factor?

    asked by HOLAMOM
  9. Social Studies

    If I could have some help on this question I'd appreciate it.I think the answer is B. Which problem would most likely result if banks did not exist? (1 point) People would no longer be able to save money. Money would not move through the economy very well.

    asked by Bob
  10. chemistry

    Consider the following reaction: 2H2 (g) + O2 (g)  2H2O (l) ΔH = -572 kJ a. How much heat is evolved for the production of 1.00 mol H2O (l)? b. How much heat is evolved when 4.03 g hydrogen is reacted with excess oxygen? c. How much heat is evolved

    asked by Anonymous
  11. S.S. Check answers

    1. The Americans formed a republic, a government in which citizens rule through a. elected representatives.*** b. monarchies. c. kingships. d. appointed representatives. 2. Convention delegates broke the deadlock between large and small states when they

    asked by Jman
  12. Social Studies

    Can someone help me proofread this? Industrial Inventors The Industrial Revolution began in England in the 18th century and ended in the 19th century. It began in England and then spread throughout the world. There were many changes in agriculture, trade

    asked by Mario
  13. Physics

    A thermos contains 150cm3 of coffee at 85° C. To cool the coffee, you drop two 10g ice cubes into the thermos. The ice cubes are initially at 0° C and melt completely. What is the final temperature of the coffee? Treat the coffee as if it were water.

    asked by Chase
  14. physics

    Suppose a 34.5-kg child sits 1.17 m to the left of center on the same seesaw as the problem you just solved in the PRACTICE IT section. A second child sits at the end on the opposite side, and the system is balanced.

    asked by sarah
  15. physics

    What are the atomic number and the atomic mass of the element formed when 84 218Po emits a beta particle? What are they if the polonium emits an alpha particle?

    asked by Sue L
  16. calculus

    Find the linearization L(x) of the function at a. f(x) = x3/4, a = 81

    asked by kela
  17. chem

    Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and gaseous fluorine: • I2 (s) + 5F2 (g) → 2IF5 (g). • A 5.00 L flask is filled with 10.0 g I2 and excess F2 with the reaction proceeds to completion completely

    asked by byke
  18. calculus

    A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1 m/s, how fast is the boat approaching the dock when it is 7

    asked by kela
  19. calculus

    A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 7 ft/s along a straight path. How fast is the tip of his shadow moving when he is 45 ft from the pole? ft/s

    asked by kela
  20. Chemistry

    The normal freezing point of cyclohexane is 6.55 C. When 0.458 g of benzophenone is dissolved in 15.0 g of cyclohexane, the freezing point is found to be 3.19 C. What is the experimental molar mass of benzophenone? (Kf cyclohexane = 20.0 C m^-1). A) 182 B)

    asked by Ania
  21. calculus

    A freshly brewed cup of coffee has temperature 95°C in a 20°C room. When its temperature is 68°C, it is cooling at a rate of 1°C per minute. When does this occur? (Round your answer to two decimal places.)

    asked by fufi
  22. Physics

    A uniform, solid, spherical asteroid with mass 1.2 * 10^13 kg and radius 1.0 km is rotating with a period of 4.6 hours. A meteoroid moving in the asteroid's equatorial plane crashes into the equator at 9.0 km/s. It hits at a 58° angle to the vertical and

    asked by Zack
  23. calculus

    A freshly brewed cup of coffee has temperature 95°C in a 20°C room. When its temperature is 68°C, it is cooling at a rate of 1°C per minute. When does this occur? (Round your answer to two decimal places.)

    asked by kela
  24. physics

    A 14.7 kg crate is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 124.0 N parallel to the incline, which makes an angle of 11.0 ◦ with the horizontal. The coefficient of kinetic friction is 0.31 and the crate is pulled a

    asked by Anonymous
  25. Physics

    Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.50 cm. At the higher point located at y = 2.50 m, the pressure is 1.30 105 Pa and the pipe

    asked by Ashley
  26. calculus

    A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium divides into two cells every 20 minutes. The initial population of a culture is 51 cells. (a) Find the relative growth rate.

    asked by kela
  27. chemistry

    The hydrogen carbonate ion is formed when an H+ ion combines with the polyatomic ion CO32-. What is the net charge on the hydrogen carbonate ion? A. 2- B. 1- C. 1+ D. 2+ A

    asked by Keri
  28. Chemistry

    Consider the reaction: CO(g) + H2O (g) CO2(g)+H2(g) which of the following initial composition will NOT achieve equlibrium? a) 0.25 mol H2, 0.35 mol CO2, and 0.25 mol CO b) 0.25 mol CO, 0.75 mol H2O c) 1.0 mol of CO2 and 0.50 mol H2 d) 0.85 mol CO and 0.25

    asked by Ania
  29. algebra

    A boat on a river travels downstream between two points, 70 mi apart, in one hour. The return trip against the current takes 2 1 2 hours. What is the boat's speed (in still water)

    asked by Anonymous
  30. english

    Hey I have the write the sentences in passiv. But I do not really be good in passiv... can anybody check and may axplain what passiv is? The extent of the flood-damage has surprised everyone. -> Everyone was surprised by the extent of the flood - damage.

    asked by Minnie
  31. Criminal Justice

    Write a 200- to 300-word response describing three of the legal defenses. Include a definition of the elements of crime in your response.

    asked by Francois
  32. CALC #

    Use Green's Theorem to evaluate F · dr. C (Check the orientation of the curve before applying the theorem.) F(x, y) = y cos x − xy sin x, xy + x cos x , C is the triangle from (0, 0) to (0, 12) to (3, 0) to (0, 0)

    asked by Becky
  33. physics

    A large fake cookie sliding on a horizontal surface is attached to one end of a horizontal spring with spring constant k = 375 N/m; the other end of the spring is fixed in place. The cookie has a kinetic energy of 20.0 J as it passes through the position

    asked by KRISTEL
  34. calculus

    The radius of a sphere is increasing at a rate of 2 mm/s. How fast is the volume increasing when the diameter is 80 mm? mm^3/s

    asked by kela
  35. physics, help!!

    A metallic sphere initially has a net charge of +4.0 nC. A negatively-charged rod initially has a net charge of –6.0 nC. When the rod touches the sphere 8.2 x109 electrons are transferred to the sphere. What is the new net charge on the sphere?

    asked by Ella
  36. Math

    Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3)

    asked by HOLAMOM
  37. physis

    A box slides downwards at a constant velocity on an inclined surface that has a coefficient of friction uK = .58 The angle of the incline, in degrees, is most nearly:

    asked by dee
  38. AP Physics B

    An air puck of mass 0.102 kg is tied to a string and allowed to revolve in a circle of radius 1.06 m on a horizontal, frictionless table. The other end of the string passes through a hole in the center of the table and a mass of 0.78 kg is tied to it. The

    asked by Daisy
  39. Chemistry

    A 1.30-L sample of argon gas is at 1.02 atm and 21.5 degrees Celsius. a. what mass of argon is in the container. b. If the temperature is raised to 500 degrees celsius while the volume remains constant, calculate the new pressure, in stmospheres.

    asked by Dee
  40. Calculus

    The critical number of the function f(x)=6xlnx is x=

    asked by Nick
  41. algebra

    Use synthetic division to find P(3) for P(x)=x^4-6x^3-4x^2-6x-2 Can someone please explain

    asked by lee
  42. math

    The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation p=-0.00051x+8 (0¡Üx¡Ü12,000) where p denotes the unit price

    asked by Teetee (Please Help)
  43. college algebra, Please help!!

    Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List

    asked by ladybug
  44. physics

    An athlete whose mass is 94.0 is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 600 . He lifts the barbell a distance of 0.50 in a time of 2.2 . Part A Use Newton's laws to

    asked by Anonymous
  45. Physics

    A 2.9 kg ball strikes a wall with a velocity of 7.5 m/s to the left. The ball bounces off with a velocity of 6.3 m/s to the right. If the ball is in contact with the wall for 0.20 s, what is the constant force exerted on the ball by the wall? _________ N

    asked by Dakota
  46. math

    a nutritional chart on the side of a box of a cereal state that there are 84 calories in a 3/4 cup serving. how man calories re in 5 cups of the cereal?

    asked by peggy
  47. Physics

    A ball of mass m makes a head-on elastic collison with a second ball (at rest) and rebounds in the opposite direction with a speed equal to 1/4 it's original speed. What is the mass of the second ball? I would really apprieciate it if ya'll would show

    asked by Henry
  48. college algebra, Please help!!

    Answer the following function. f(x)=2x^2-x-1 A. Is the point (-2,9) on the graph of f? B. If x equals 2, what is fx? What point(S) are on the graph of f? c. if f(x)= -1, what is x? what point(s) are on the graph of f? d. what is the domain of f? e. List

    asked by ladybug
  49. Physics or Math

    A force F = 0.8 i + 2.5 j N is applied at the point x = 3.0 m, y = 0 m. Find the torque about the point x = -1.3 m, y = 2.4 m. Hmm, (this is essentially just a vector problem) I know you're supposed to find the position vector r and take the cross product

    asked by Natalie
  50. Economics

    Consider the simple economy of Behr, whose government does not tax its citizens. The consumption function of Behr is given by: C=500+.8Y, where Y is income. the autonomous consumer spending in this economy is: A. $1000 B. $800 C. $500 D. $.80 E. $1800

    asked by Mary
  51. Economics

    The slope of the consumption function equals: A. 1-MPS B. 1/(1-MPS) C. 1-MPC D. MPC/MPS E. MPS

    asked by Mary
  52. calculus

    Use a linear approximation (or differentials) to estimate the given number. e0.01

    asked by kela
  53. Chem

    Potassium ferricyanide has an extinction coefficient of 1020 1/M*cm at 420 nm. The absorbance of a sample of unknown concentration at 420 nm is 0.4268. If the path length is 10 mm, determine the concentration of the sample

    asked by Jay
  54. statistics

    A researcher administered a treatment to a sample of participants selected from a population of 80. If the researcher obtains a sample mean of M=88. Which combination of factors is most likely to result in rejecting the null hypothesis? a, alpha level=0.01

    asked by Robbie
  55. MATH

    When a certain rectangle is folded in half, it forms two squares. If the perimeter of one of these square is 28, what is the perimeter of the original rectangle?

    asked by Anonymous
  56. Science

    What is the wavelength of a 600Hz sound wave ( assume the speed of sound is 340 m/s )?

    asked by Anonymous
  57. math

    how do you go about doing place value puzzles .can you show me an example please(hundredths place,thousandths place,ones place and tenths place

    asked by john
  58. Human Anatomy

    how does cystic fibrosis affect your digestive system? and what exactly is cystic fibrosis? I know it has something to do with the lungs. thanks in advance! ♥dino♥

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

    determine the common difference in the squence x,x+1,x+2,x+3..

    asked by jasmine
  60. Physics

    A 500 kg cannon rests on wheels that are free to roll. The cannon fires a 2 kg cannon ball horizontally with an average force of 400 N. What is the acceleration of the cannon ball? What is the recoil acceleration of the cannon

    asked by Mark
  61. physics

    An athlete whose mass is 94.0 is performing weight-lifting exercises. Starting from the rest position, he lifts, with constant acceleration, a barbell that weighs 600 . He lifts the barbell a distance of 0.50 in a time of 2.2 .

    asked by Anonymous
  62. Q&A Check Please, science 7th grade

    An impulse is sent from the motor neuron to a(n) _____. sensory neuron? In the part of the inner ear called the cochlea, receptors convert sound vibrations into nerve impulses. true? Involuntary actions are controlled by the ____. spinal cord? The

    asked by rawr... im a dinosaur.... rawr
  63. Algebra

    HELP!!! Super confused. Here's the problem. Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She

    asked by Sam
  64. Math

    Chester and Kelsey were given a box of candy to sell. Each box of candy had 24 individual packages inside. Chester sold 1/4 of the candy in the box and Kelsey sold 3/8 of the candy in the box. Which of the following describes how to find the total number

    asked by Jerald
  65. social studies

    what website should i go on to find out about Columbus

    asked by anabelle
  66. Physics

    An umbrella with a diameter of 1 m turns 22 rev every 44 seconds. If it's 1.5 m from the ground, calculate the time it takes for a drop to reach the ground and the distance away from the umbrella a person should stand so as to not get wet. For this problem

    asked by Leslie
  67. Math

    Jennifer's dad built 2 rectangular houses for each of her dogs. The first house had a length of 6 feet and a width of 4 feet. The second house had a length and a width that was 2 feet longer than the first. What was the difference in the perimeter of the

    asked by Jerald
  68. statistics

    1. A bag of colored blocks contains the following assortment of colors: red (13), blue (12), orange (21), purple (14), green (14), and yellow (6). Construct the probability distribution for x.

    asked by Anonymous
  69. MATH

    Without taking a single break, mercedes hiked for 10 hours, up a mountain and back down by the same path. While hiking, she averaged 2 miles per hour on the way up and 3 miles per hour on the way down. How many miles was it from the base of the mountain to

    asked by Anonymous
  70. Algebra

    Solve the linear inequality 5- 7/6x greater than or equal to 7

    asked by Anonymous
  71. Lang. Arts 2 questions

    9. What is the simple subject in the sentence below? My first dog was afraid of thunderstorms. a. dog b. first dog c. of thunderstorms d. thunderstorms 10. What is the complete predicate in the sentence below? Your sister Erin wrote a fantastic essay about

    asked by Jman
  72. chemistry

    what elements follow the octet rule?

    asked by Ann
  73. physics

    (a) ____Fe(s) + ____S(s)h____Fe2S3(s) (b) ____P4 (s) + ____H2(g)h____PH3(g) (c) ____NO(g) + ____Cl2(g)h____NOCl(g) (d) ____SiCl4(l ) + ____Mg(s)h____Si(s) + ____MgCl2(s)

    asked by Sue L
  74. physics

    Which of these are balenced? 2 C4H10( g) + 13 O2( g)h8 CO2( g) + 10 H2O(l) 4 C6H7N5O16(s) + 19 O2( g)h24 CO2( g) + 20 NO2( g) + 14 H2O(g) I don't understand this anyhelp would be greatly appreciated.

    asked by Sue L
  75. college algebra

    find the function that is finally graphed after the following transformations are applied to the graph of y=sqrt x in the order listed. 1. relected about the x-axis 2. shift down 9 units 3. shift left 2 units y=

    asked by ladybug
  76. 8th grade social studies

    Hi, I am doing a paper for school and I need to know what are some Negative and Positive Impacts of the Telegraph? I know some positives but I really need help with the negative effect of the telegraph. Can you please give me 2 or 3 positive and negative

    asked by Destiny
  77. calculus

    Water is being filled into a water tank at 22 liters/second. The base of the tank has dimensions w = 1 meter and L = 2 meter . What is the rate of change of the height of water in the tank? (express your answer in cm/sec).

    asked by kchik
  78. Physics

    A file cabinet weighing 1500 N is at rest on the floor. The coefficient of static friction between the floor and the cabinet is 0.5. What is the minimum force required to make the file cabinet move horizontally

    asked by Joey
  79. English

    I have to write an analysis of character in play hamlet by shakespeare. and tell what role be of this character. which character have lots of information on it? King Hamlet, Gertrude, Laertes, Horatio, Ophelia, Polonius, or Claudius. I wanted to do on

    asked by Mohammad
  80. Physics

    CIRCULAR MOTION A car takes a curve with 300m radius at a velocity of 60 m/s. a) Determine the change in velocity (module and direction) when it travels an arc of 60 degrees b)Compare the magnitude of the instantaneous acceleration of the car with a

    asked by Leslie
  81. Biology

    hi! so for science we have to make an experiment on temperature. we have to base our experiment on the given materials (which include test tubes, aluminum foil, cotton, fan) i chose a fan and I'm thinking of doing an experiment on how the strength of wind

    asked by Cara
  82. Chem

    Give the number of unpaired electrons present in a ground-state atom of Tl. I got 5, which isn't right. ndicate which species in each pair has the higher ionization energy. Choose at least one answer. a. Between K and I, I b. Between K and I, K c. Between

    asked by Anonymous
  83. integrated math 1- please help!!!

    Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the

    asked by Tifini
  84. sociology

    what role does intrapersonal and interpersonal play in criminal justice?

    asked by takeya
  85. Dimension Personal Education

    True or False The indefinie pronouns all,any, more, most, and some are alwas singular in meaning

    asked by Jackie
  86. math

    When solving for the percent composition of a given compound, the percent of each element in the compound must be found and reported. True false TRUE

    asked by shana
  87. Accounting

    In 20X0, ABC company purchased machine for $300,000 that had a useful life of 5 years, with a salvage value of $50,000 at the end its life. Depreciation was calculated over 2 years on straight-line basis. In 20X2, it determined that the total life should

    asked by Angie
  88. chemistry

    a photon has 3.3 *10-19 joules of energy. what is the wavelength of this photon?

    asked by nina
  89. 1 question Science check answer

    4. Which is NOT a true statement? a. Not all fats are bad for you. b. Fats can increase your risk for heart disease. c. Saturated fats are liquid at room temperature. d. Unsaturated fats come mainly from plant foods. my answer is C. I that right

    asked by Jman
  90. AP Physics B

    A penny of mass 3.1g rests on a small 28.2g block supported by a spinning disk of radius 12cm. The coefficients of friction between the block and disk are .73 (static) and .64 (kinetic) while those for the penny and black are .6 (static) and .45 (kinetic).

    asked by Daisy
  91. math

    Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. y=e^1x, y=e^4x, x=1

    asked by Anonymous
  92. Calculus

    integral[1,e^9]dx/x(lnx)^1/2

    asked by Anonymous
  93. Algebra

    I need help solving this set of equations by substitution. xy=2 3x − y + 5 = 0 I originally used (3x+5=y) and came up with (x=.333 and x=-2) but when I substitute it into the original equation I get (y=2 and y=1) and it is wrong according to my homework.

    asked by Jim
  94. algebra

    What is cubic polynomial function in standard form with zero 1, -2, and 2

    asked by lee
  95. Physics

    A force of 25 N accelerates a body by 5 m/s2. What is the mass of the body?

    asked by Bryan
  96. Physics

    An object with a mass of 50 kg is being dragged along a horizontal floor by a horizontal force of 30 N. If the friction force opposing the motion is a steady 20 N, what is the acceleration of the body

    asked by Erika
  97. Algebra

    help me solve this equation by substitution. y^2− 4x^2 = 7 9y^2+16x^2 = 323

    asked by Tom
  98. english

    I shall wirte what I would say, but we are speaking about modals, so I think I have to answer with them... My solutions: 1. Your teacher is carrying a pile of heavy books. Offer help. -> Shall I carry that for for? or Sorry, can I help you? 2. A friend

    asked by Minnie
  99. math

    Solve the system of equations by graphing 2x+y=8 X+3y=9

    asked by gail
  100. Math

    Freshman math question, super confused! Today while Don was swimming, he started wondering how many lengths he would have to swim in order to swim different distances. At one end of the pool, he stopped, gasping for breath, and asked the lifeguard. She

    asked by Anon
  101. Criminal Justice

    Write a 200- to 300-word response describing the concept of due process, including how it applies to the criminal justice system.

    asked by Francois
  102. Math

    Find area of triangle 11/4 yards and 4/7 yard

    asked by Anonymous
  103. Statistics

    Use the multiple regression equation to predict a person's salary. Assume that the variable A is the number of years of college. Assume that the variable B is the number of years of experience. Suppose the person has 7 years of college and 3 years of

    asked by jassi
  104. mba

    I have 128Mb,256MB,512MB,1GBmemory modules.which of these combinationsis the least expensive to upgrade my computer from 2GBto 8GB

    asked by hanaa
  105. math

    An article can be bought for cash at $20,000.00. A customer bought it on hire purchase by paying a deposit of 20%. An interest of 10% was charged on the remaining balance and he was required to pay the balance in 15 monthly installments. 1.What is the

    asked by Lindsay
  106. math

    Hi my name is olivia all I wanted to ask you how to do arrays and an expanded algorithm

    asked by Olivia flores
  107. Physics

    A crate with a mass of 40 kg is being dragged along a horizontal floor at a constant velocity by an applied force of 180 N. What is the coefficient of kinetic friction? (g = 10 m/s2

    asked by Joshua
  108. World History

    I need to find a current event -entertainment. Please post links below.

    asked by Anonymous
  109. calculus

    Water is being filled into a water tank at 22 liters/second. The base of the tank has dimensions w = 1 meter and L = 2 meter . What is the rate of change of the height of water in the tank? (express your answer in cm/sec).

    asked by kchik
  110. Math

    Find the absolute maximum value and the absolute minimum value, if any, of the function. g(x)=1/8x^2-4ã(x)on [0,49] maximum ? minimum ?

    asked by Renee
  111. Math

    In Saturday's 8 mile race Sarah's goal was to complete 1/2 of the run in 48 minutes. After that time had elapsed Sarah had run 2/3 of the total race. Which shoes how far ahead of Pace Sarah is? A.1/6 B.3/6 C.7/8 D.2/6 A? Before Chad shared his starburst

    asked by Jerald
  112. english

    I did a exercise with indirect speech, can anybody check it? 1. "Have you visited the NA?" she asked me. -> She asked me if I had visited the NA. 2. "What do you think of the hotel food?" I asked her. -> I asked her what she thought about the hotel food.

    asked by Minnie
  113. Us history

    Can someone please give me some information on why Alfred Thayer Mayan was for imperialism? Thanks(:

    asked by Jessica
  114. English IV

    Is it true or false? A sentence is a group of words expressing a complete though and each will begin with a capital letter.

    asked by monica
  115. Physics

    In a Bohr of a Hydrogen atom, an electron moves in a circle with a radius of 5.10(^-9) cm around a nucleus charged positive due to electrostatic force. What is the intensity of the force so that the electron has a velocity of 2.3 x 10(^8) cm/s? The mass of

    asked by Leslie
  116. Probability

    Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 60% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the

    asked by Tifini
  117. Physics

    I think I might be on the right track, if someone could let me know if this is correct I would greatly appreciate it. A 51 kg diver is spinning forward in a tuck position at 1.9 rev/s, as shown in Fig. 13-38a. In this position, the diver's rotational

    asked by Dirk
  118. math

    a retail jeweler sells a pair of gold earrings for $213.90. The jeweler uses a 130% markup based on cost. Based on this information, what was the wholesale cost of the earrings

    asked by Anonymous
  119. math

    a basketball player had scored 888 pts in 31 games. at this rate, how many games will it take him to score 1500pts?

    asked by denise
  120. Calculus

    It is given that a differentiable function f(x)=4x^3+kx^2-36x-15 (k is a constant) is decreasing on -3/2

    asked by Anonymous
  121. English

    I have to choose which word "neatly" is describing. If neatly is an adverb would it be describing packed? everything owned packed boxes I saw that everything we owned was neatly packed in cardboard boxes.

    asked by Bob
  122. Math

    Is this correct? If one card is drawn from a regular deck of cards,what is the probability the card will not be an ace? 1/13 is the probability

    asked by Alex
  123. Math

    Given a scale factor of , find the coordinates for the dilation of the triangle with vertices at (0, 0), (0, 2) and (4, 0).

    asked by HOLAMOM
  124. Math

    Solve the puzzle =RIGHT(LEFT($B$2,84),1) =RIGHT(LEFT($B$2,17),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,2),1) =RIGHT(LEFT($B$2,234),1) =RIGHT(LEFT($B$2,138),1) =RIGHT(LEFT($B$2,4),1) =RIGHT(LEFT($B$2,173),1) =RIGHT(LEFT($B$2,2),1)

    asked by Suzanne
  125. Finance

    If a toy co. has sales of $539,000 and a profit margin of 5%, and a capital intensity ratio of 1.2. What is the asset turnover rate?

    asked by Telle
  126. Chem

    ndicate which species in each pair has the higher ionization energy. Choose at least one answer. a. Between K and I, I b. Between K and I, K c. Between Al and Al+, Al d. Between Al and Al+, Al+ e. Between Ar and Cl-, Ar f. Between Ar and Cl-, Cl- g.

    asked by Anonymous
  127. chemistry

    The calcium ion carries a charge of 2+. The nitrate ion (NO3-) carries a charge of 1-. Which of the following is the correct formula for calcium nitrate? A. CaN2 B. CaNi C. CaNO3 D. Ca(NO3)2 C

    asked by Keri
  128. physics

    (a) ____Fe(s) + ____O2 (g) h____ Fe2O3(s) (b) ____H2 (g) + ____N2 (g) h____NH3 (g) (c) ____Cl2(g) + ____KBr(aq)h____Br2(l ) + ____KCl (aq) (d) ____CH4(g) + ____O2(g)h____CO2(g) + ____H2O(l )

    asked by Sue L
  129. Physics

    The weight of a rock on the moon is 0.85 N. If acceleration due to gravity on the moon is 1.7 m/s2, what will be its weight on the earth

    asked by Sam
  130. Dimension Personal Education

    True or False: The indefinite pronouns both, few, many, and several are always plural in meaning. True..... What do you think

    asked by Jackie
  131. Geography

    Is this correct? 1. The closest ocean to Mongolia is the Pacific Ocean. 2. The capital of the island nation that has the Sea of japan as its western border is Tokyo, Japan. Thank You

    asked by Alex
  132. Physics

    A disk rotates on the horizontal. A blcok is hanging from the tisc, which forms an angle with the vertical of 45 degrees while the disk turns. The radius of the disc is .1mm and the length of the string is .06 m. Determine the velocity of rotation for the

    asked by Leslie
  133. chemistry

    A polyatomic ion is a tightly bound group of atoms that carries its own unique charge. True False I say true

    asked by Keri
  134. Calculus

    The police department must determine a safe speed limit on a bridge so that the flow rate of cars is at a maximum per unit time. The greater the speed limit, the farther apart the cars must be expected to be in order to allow for a safe stopping distance.

    asked by Max
  135. Precalculus

    Write y^2 + 8x = 0 in polar form.

    asked by G
  136. Physics

    what is a planes velocity if ithas anair speed of 18 and there is a 30 km/h wind blowing south

    asked by Summer
  137. Physics

    A 65.0 kg ice skater moving to the right with a velocity of 2.47 m/s throws a 0.18 kg snowball to the right with a velocity of 24.3 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction

    asked by Dakota
  138. math

    george, paul, and courtney are sharing 2 grapefruits, how much does each person get?

    asked by anabelle
  139. math

    In order for the percent composition of a compound to be calculated, the molar mass of the compound and the chemical formula must be determined. True False I say true

    asked by shana
  140. Physics

    A gyroscope with rotational inertia 6.4 10-3 kg·m2 is precessing in a horizontal plane at 0.46 rad/s under the influence of a 0.31 N·m torque caused by a force pointing vertically downward. How fast is the gyroscope spinning on its axis?

    asked by Jake
  141. Math

    Find the absolute maximum value and the absolute minimum value, if any, of the following function. f(x)=1/x^2+2x+8 on [-2,1]

    asked by Shannon
  142. Math

    If one card is drawn from a deck of cards,what is the probability the card will not be an ace? I think the answer is 1/13. Am I correct???

    asked by Alex
  143. Chemistry

    Discuss the effect of the 'extra' hydroxyl groups on the physical properties of diols and triols, compared to alkanols that have only one hydroxyl group. HINT: Consider the polar nature of the hydroxyl group Really need help for this!!!

    asked by Jiskhaa
  144. Algebra 2

    I've had a major brain fart..How do you get the inverse function of: f(x)= (2x-3)/(x+1) i know the answer but i don't know how to get there. Please help, thanks.

    asked by Haley
  145. math

    Find the absolute maximum value and the absolute minimum value, if any, of the following function. f(x)=1/x^2+2x+8 on [-2,1]

    asked by Cindy
  146. math packet

    how to make 60¢ using three coins

    asked by dayan
  147. Dimension Personal Education

    Select the sentence that does not have a pronoun-antecedent error. 1. Most moviegoers like to bring his own snacks to save money. 2. Most moviegers like to bring their own snacks to save money

    asked by Jackie
  148. Biology 100

    1. What did you observe for the carrying capacity of each species?

    asked by Anonymous
  149. statistics

    Which of the following situations can be best modeled using a continuous distribution? a) Number of heads in 10 flips of coin. b) Number of customers/hr. c) Time between arrivals of two customers. d) Yes or no answer. e) Number of product defects/hr.

    asked by Trasie
  150. statistics

    A normal distribution has a mean of 36 and standard deviation of 4. What proportion of the distribution consisted of scores between x=34 and x=38? a, 0.6915 b, 2(0.3085)=0.6170 c, 0.1915 d, 2(0.1915)=0.3930

    asked by Robbie
  151. math

    If there is a 75.0 g quantity of carbon present in each 100 g of a carbon and hydrogen compound, what is the percent composition of hydrogen in this compound? A. 25 g B. 25% C. 75 g D. 75% I say B

    asked by shana
  152. math

    127.1 g Cu combines completely with 32.1 g S to form a compound. What is the percent composition of this compound? A. 20% Cu; 80% S B. 50% Cu; 50% S C. 80% Cu; 20% S D. 127% Cu; 32% S I say A

    asked by shana
  153. English Hamlet

    I writing global statements on themes in play hamlet, i trying to write one on betrayal, but its not turning out like i want it. Having loved and trusted those that mean the world to us and getting stabbed by them in the backs is the worst betrayal that

    asked by Mohammad
  154. Calculus

    ∫(integral) from 3 to 6 of [(x^3 + 5)/x] dx =?

    asked by Anonymous
  155. Calculus

    ln(x+8)+ln(x–8)=0 x=?

    asked by Mike
  156. Calculus

    Find the solutions of the exponential equation e^2x–4e^x+3=0 x1=? x2=?

    asked by Kelly
  157. visual

    Can you ecspres your fineelings

    asked by Anonymous
  158. health

    What is stress management? A. Controlling and reducing the tension that occurs in stressful situations B. Controlling and reducing the tension that occurs in peaceful situations C. Controlling and reducing the happiness that occurs in peaceful situations

    asked by kayla
  159. Chem

    If 19.0 of gas has a temperature of 320 and a pressure of 550 , what is its volume?

    asked by Nicole
  160. Sociology

    This unit we learned about the various social statuses in the U.S. Identify and describe each status. How are they similar and how do they differ? Into which social status do you fit and why do you feel this way

    asked by Mary