Questions Asked on
April 3, 2018

  1. Science!!!

    1. Why can certain stars sometimes be identified as eclipsing binary stars? A. They are brighter than any single star B. They are all white dwarfs C. They become dimmer at regular intervals D. They are cool red stars

    asked by .
  2. physics

    A bead slides without friction around a loop-the-loop. The bead is released from a height h = 3.5R. A is at the highest point of the loop and R is the radius of the loop (a) What is its speed at point A? (b) How large is the normal force on it if its mass

    asked by ATT
  3. history

    Which pull factor would most likely encourage an immigrant who wanted to raise and sell cattle in the United States A)industrial jobs B)inexpensive land C)the promise of freedon D)expensive land in home country

    asked by noah
  4. History

    Which accurately identifies one reason why the Napoleonic Wars fostered resentment among Europeans? A. Napoleon formed a close alliance with Alexander I of Russia but neglected other nations. B. The napoleonic code gave too many rights to minority ethnic

    asked by Michael
  5. Spanish

    which direct object does not require the personal a? el museo teresa mi tio isaac la amiga de mi mama

    asked by ...taytay
  6. math

    the cost of carpeting a room 12 m wide with a carpet of width 85 cm at the rate Rs 120 is Rs 28800. find the length of the room.

    asked by yash
  7. physics

    A force acting on a particle moving in the xy plane is given by Fx = (2yi +x^2j)N, where x and y are in meters. The particle moves from the origin to a final position having coordinates x=5.00m and y=5.00m, as in Fig. Calculate the work done by F along (a)

    asked by Anonymous
  8. History

    How did Otto von Bismarck help to bring about German unification? A. As minister president, he achieved political compromises with the Prussian legislature. B. He became a strong influence on the king and encouraged the buildup of the military. C. He

    asked by Michael
  9. English 10

    5. In "Cranes" Song-sam's memories of his father reveal that A) he left the village with the approval of his father B) he brought dishonor on his household when he left C) he always questioned his choice to leave the village D) he is embarrassed by his

    asked by Daniella
  10. Advanced Algebra

    HELP! WHICH IS THE HIGHEST RISK INVESTMENT? List the following stocks and bonds in order from highest default risk to lowest default risk: A municipal bond in a city with a population of 150,000 A common stock in a company under federal investigation A

    asked by Steve
  11. math

    Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

    asked by Anonymous
  12. Fractions

    Nora rode her bike 2/2 of a block brady rode 4/4 of the same block compare the distance each rode

    asked by ANIYA
  13. Science

    I need help 27) Chordates (not a primate) Explain how body plan and anatomy enables chordate to perform the essential functions it needs to survive. Explain how your chosen chordate fits into the cladogram of chordates. 31) Primate Explain how body plan

    asked by Bl3ach h3a4
  14. Math

    Which explains why the sequence 81, 3, 1/9,... is arithmetic or geometric? A)The sequence is arithmetic because it decreases by a factor of 1/27 B)The sequence is geometric because it decreases by a factor of 1/27 C)The sequence is arithmetic because it

    asked by Loomin
  15. Social studies

    Why were the French and Native Americans allies during the French and Indian War? A) French purchase Native American land instead of forcing native Americans to give up their land B) The French and the Native Americans had A strong fur trade relation ship

    asked by Help
  16. Math

    A kitchen floor is made up of tiles that are in the shape of the triangle shown. There are 40 tiles on the kitchen floor. What is the total area of the floor?

    asked by Venus
  17. Science

    Do all pulleys change the amount of force needed to move an object? Justify your answer Explain how a pulley changes the amount of force needed to lift an object.

    asked by Please help asap!
  18. Math

    Sarah owns a small business. There was a loss of $19 on Thursday and a loss of $12 on Friday. On Saturday there was a loss of $11, and on Sunday there was a profit of $15. Find the total profit or loss for the four days. A. $35 loss B. $19 profit C. $27

    asked by Renee :)
  19. Science Help!!!

    Some constellations such as Ursa Minor, are visible in the sky year round other constellations appear for only part of the year.Explain why this happens. Can someone explain please??

    asked by that emo girl!
  20. Circuits 2

    let R=20kΩ, L=10mH, and C=40μF. Which angular frequency ω is attenuated most by this filter? (It would help you to first identify what type of filter this is.) Give your answer in terms of rad/sec, and omit units from your answer.

    asked by student
  21. physics

    A child sits down on one end of a horizontal seesaw of negligible weight, 1.96 m from the pivot point. No one balances on the other side. Find the instantaneous angular acceleration of the see-saw and the tangential linear acceleration of the child.

    asked by john hide
  22. physics

    A 1.40 kg mass is attached to a light cord that is wrapped around a pulley of radius 3.50 cm, which turns with negligible friction. The mass falls at a constant acceleration of 2.60 m/s2. Find the moment of inertia of the pulley.

    asked by john hide
  23. physics

    Calculate the speed of a satellite moving in a stable circular orbit about the Earth at a height of 3.004km.

    asked by robert
  24. Chemistry

    You have a 135 mL buffer solution of 0.35 M NH3 and 0.40 M NH4+ in concentration. NH4+ (aq) + H2O (l) H3O+ (aq) +NH3 (aq) Calculate the pH of this buffer after adding 10.00 mL of 0.095 M NaOH.

    asked by TP
  25. math

    A plant grew 14 inches over 5 months. The plant grows the same amount each month. Use this rate to complete the table.

    asked by emily
  26. physics

    A force acting on a particle moving in the xy plane is given by Fx = (2yi +x^2j)N, where x and y are in meters. The particle moves from the origin to a final position having coordinates x=5.00m and y=5.00m, as in Fig. Calculate the work done by F along (a)

    asked by Anonymous
  27. Science

    gradually taking over farmland over a long period of time is known as commodities True or false?

    asked by I need helppppp
  28. Math

    Ben is greeting customers at a music store. Of the first 20 people he sees enter the store, 13 are wearing jackets and 7 are not. What is the experimental probability that the next person to enter the store will be wearing a jacket? 13-wearing jackets

    asked by Patrick
  29. English

    1. I eat cereal for breakfast. 2. I eat cereals for breakfast. 3. I eat cereal for my breakfast. 4. I eat cereals for my breakfast. [Can we use all the expressions? Which expressions are common?]

    asked by rfvv
  30. Spanish

    Which of the following states does not contain a part of the Chihuahuan desert? A. Arkansas B. Arizona C. New Mexico B?

    asked by Anonymous
  31. Math help ASAP!!

    A rectangular prism has a volume of 912 cubic meters. It has length of 19 meters and a width of 12 meters. Which equation could be solved to fund the height of the rectangular prism? A. 114h = 912 B. 228h = 912

    asked by GlitterEyes✨
  32. Economics

    1. According to Moore’s law, the number of transistors T on a semiconductor chip doubles every two years. Assuming a continuous growth in transistors over time, what is the annual growth rate ( in %) of transistors, implied by Moore’s law?

    asked by Owais
  33. College Algebra

    A dish of lasagna baked at 375°F is taken out of the oven into a kitchen that is 70°F. After 6 minutes, the temperature of the lasagna is 317.5°F. What will its temperature be 30 minutes after it was taken out of the oven?

    asked by Please Help
  34. Trigonometry

    Write the following as an algebraic expression in u, u>0. cos(arctan(u/sqrt2))

    asked by Ariel
  35. Math

    the question is to "rotate the line the given number of degrees a about the x-intercept and (b) about the y-intercept. Write the equation of each image" and the problem is y=2x+2 ; 90 degrees and i dont know what to do

    asked by Joel
  36. Math

    63.9 to the nearest degree would be 64 degrees correct?

    asked by T
  37. Math

    An airline knows that, on average, the probability that a passenger will not show up for a flight is 6%. If an airplane is fully booked and holds 300 passengers how many seats are expected to be empty? If the airline overbooked the flight by 10 passengers

    asked by Patrick
  38. Math

    Sales of a video game released in the year 2000 took off at first, but then steadily slowed as time moved on. The table below shows the number of games sold, in thousands, from the years 2000–2010. Year 2000 2001 2002 2003 2004 2005 Number Sold

    asked by David
  39. math

    Julia is a chemistry student. She is working on an experiment for which she needs 10 liters of a 20% salt solution. All she has in her lab are a 10% salt solution and a 40% salt solution. She decides to mix these to make her own 20% solution. How much of

    asked by Anonymous
  40. Math

    Hi, just need some advice. Need to know if I divide to find my answer? So, would I divide 2/0.89? Pamela is shopping for bottled water at the supermarket. Which is the better buy? A. 1 2-liter bottle for $0.89 B. 3 1-liter bottled for $1.50

    asked by Steve
  41. Math help ASAP!!

    Which of the following could be the lengths of the sides of a triangle? A. 1, 3, and 4 units B. 2, 3, and 6 units C. 4, 4.5, and 5 units D. 3.5, 4.5, and 8 units This is on my STAAR packet for extra credit so please help ASAP!!!!!

    asked by GlitterEyes✨
  42. Pre-writing skills

    Advertising. I know I have to write about advertising. What do I know about advertising? I know you have to market a product to a specific audience. Advertising is used to sell things like soft drinks or cars. I think I need to narrow down my choices of

    asked by Steve
  43. Math

    The table shows the number of students in a middle school at the beginning of the year and the percentage that can be expected to move out of the area by the end of the year. 8. How many 7th grade students are expected to move by the end of the year? If 12

    asked by Patrick
  44. Math

    Clara earns an hourly rate of $20 per hour and 5% commission. Rose earns an hourly rate of $16 per hour and 10% commission. They each work a 40-hour week. In one particular week, Clara and Rose both sold the same value of goods and both received the same

    asked by Ann

    A buffer was prepared by dissolving 0.40 mol of benzoic acid (Ka=6.3*10^-5) and 0.50 mol of sodium benzoate in sufficient pure water to form a 1.00 L solution. To this solution was added 30.00 mL of 2.00 M HCl solution. What was the pH of the new solution?

    asked by Sally
  46. Physics

    A 2.60-kg block is attached to a horizontal spring that has a spring constant of 214 N/m. At the instant when the displacement of the spring from its unstrained length is -0.115 m, what is the acceleration a of the object? In your answer, be sure to

    asked by Jack
  47. Physics

    Your friend doesn't believe you when you tell her that the acceleration due to gravity on earth is the same for both light and heavy objects. How could you convince her?

    asked by Morgan
  48. English

    1. I go to academy for my English. 2. I go to an academy to learn English. 3. I go to an English academy after school. 4. I go to English academy to learn English. 5. I go to a private institute to learn three subjects such as English, math and science. 6.

    asked by rfvv
  49. Math

    Due to advances in medicine and higher standards of living, life expectancy has been increasing in most developed countries since the beginning of the 20th century. The table below shows the average life expectancies, in years, of Americans from

    asked by David
  50. College Algebra

    Adam wants to invest $40,000 in a pension plan. One investment offers 7% compounded quarterly. Another offers 6.5% compounded continuously. Which investment will earn more interest in 10 years?

    asked by Please Help
  51. Math

    The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm the diameter is 2 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of

    asked by K
  52. math

    Rationalize the denominator and simplify if possible. √5+√3 / √5-√3

    asked by Andrea
  53. Math

    The flask consist of a cylindrical part and a frustum of a cone. The diameter of the base is 10 cm the diameter is 2 cm while that of neck is 2 cm. The vertical height of the flask is 12 cm. (a) the slant height of the frustum part; (b) the slant height of

    asked by K
  54. Physics I

    Olympus Mons is the largest mountain on Mars at a height of 22 km above the surface. Mars has a mass of 6.42x1023 kg and has a mean radius of 3386 km. If you are an astronaut with a mass of 100 kg standing on top of Olympus Mons, what is your gravitational

    asked by Lila
  55. English

    1. water closet [Longman Dictionary] noun [ C usually singular ] uk ​ /ˈwɔː.tə ˌklɒz.ɪt/ us ​ /ˈwɑː.t̬ɚ ˌklɑː.zɪt/ [old-fashioned] a toilet 2. water closet [Cambridge Dictionary​ full form of WC: a toilet, or a room

    asked by rfvv
  56. Math

    2. Growth function P=100 (645)^t/21 where P represents the cane toad population and t represents the time measured in months from when the toad was introduced in July 1935. A. What was the initial population of cane toads introduced into Australia? B. What

    asked by David
  57. math

    Alicia and Lewis have 99 total coins. Lewis' collection has 2 times as many coins in it as Alicia's collection. How many coins are in Lewis' collection? How many coins are in Alicia's collection?

    asked by lougaele
  58. Math

    Triangle XYZ in which x = 8.0 cm, y = 7.0 cm, z = 5.5 cm. Should the triangle look like and 80 degree triangle?

    asked by T
  59. Sociology

    How does meads theory apply to one's life?

    asked by Lauren
  60. College Algebra

    The growth of stray cat population, n(t) in a small town can be modeled as n(t) = no e 0.15 t where t is time in years. Given that in year 1995, the town had 20 stray cats. a) Find the projected population after 10 years b) Find the number of years

    asked by Please Help
  61. chemistry

    what is the source of activation energy in an exothermic reaction? Is an example heat?

    asked by chemistry
  62. Chemistry

    How many mL of 0.100 M HCl must be added to 100.0 mL of 0.100 M F- to prepare a buffer solution that has a pH of 3.05? F- (aq) +H20 (l) HF (aq) +OH- (aq) Kb= 1.47*10^-11

    asked by TP
  63. Math

    1. You gathered data and realized that the temperature drop followed the function T=85 (0.3)^t/2 where T is the temperature in Celsius and t is the time in hours the water was left out for. A. What was the initial temperature of the water when it was

    asked by David
  64. math

    change the radical √(3/8) into simplest form a/b sqrt(c)

    asked by Andrea
  65. Math

    3. If the banks returned all the money plus interest accumulated from 1938 to 1998 it could be calculated using A=A0 (1.05)^t where A is the amount of money to be returned A0 was the initial amount and t is the number of years since 1938. (Notice that this

    asked by David
  66. Calculus

    Suppose the population of a colony of ants grows at the rate: P’(x) = 1 + 5/sqroot(t+1) If there are 250 ants after 120 hours, what was the population at t=0?

    asked by Shawes
  67. Marketing

    Need links or any information on my product which is energy drinks with biodegradable packaging and our target market are students , could be college or high school? any information on the product and statistics that lead up to why the target market

    asked by Andy
  68. fine art

    This is about The Virgin and Child mosaic in the Hagia Sophia. What item(s) in the mosaic showcase the artist's attempt at perspective? I'm not sure what to write for this because I don't see any attempts on linear perspective. The only thing I noticed was

    asked by huncho jack
  69. Calculus

    Consider the functions A(x, y) = x^2y + xy − 3xy^2, and B(x, y) = xe^xy − y (a) Calculate the x derivative of A, or Ax. (b) Calculate the y derivative of A, or Ay. (c) Calculate the x derivative of B, or Bx. (d) Calculate the y derivative of B, or By.

    asked by Austin
  70. Math

    Use front-end estimation to estimate the sum to the nearest whole number. 13.40+36.63+125.042 How do I solve this question?

    asked by Genevieve
  71. Math-Calculus

    A function has f''(x) = 10 and has f'(4) = 0 and f(2) = 4. Find f(x). How to approach this question?

    asked by Leslie
  72. Physics

    In what sense do the moon fall?

    asked by Morgan
  73. Math

    How do you turn a mixed number into an improper fraction?

    asked by Sophia:-)
  74. math

    Determine whether the equalities are true or false. 1.√2 /2=√(10 /20) 2.√11 /24=24/√11 3.2/∛3=(2/√9)/3 4.1/√2 =√2 /2

    asked by Andrea
  75. Math

    I was having trouble solving these equations: 7a+10=2a 11x=24+8x 9g-14=2g m-18=3m. I have to show my work and solve the answer to get the variable. Thank you!

    asked by Karissa
  76. Math

    Triangle ABC in which

    asked by T
  77. Calculus

    Consider the functions A(x, y) = x^(2)y + xy - 3xy^(2), and B(x, y) = xe^(xy) - y (a) Calculate the x derivative of A, or Ax. (b) Calculate the y derivative of A, or Ay. (c) Calculate the x derivative of B, or Bx. (d) Calculate the y derivative of B, or

    asked by Adam
  78. Biology

    Why is it important to understand the characteristic of life in a health care setting? Can someone please help me with this!!!??? I'm really confused and I'm not sure how answer this... Can you please just give me a few ideas to get started?? I'm thinking

    asked by Rainy Days
  79. math

    cot u - cot 2u = cosec 2u

    asked by cathy
  80. algebra

    A rectangle and a square have equal areas. If the rectangle is 6 ft by 8 ft, how long is a side of the square?

    asked by grace
  81. physics

    A hollow cylinder and a solid cylinder have the same diameter. Determine which has the greater moment of inertia with respect to an axis of rotation along the axis of the cylinder.

    asked by john hide
  82. science

    where does the Housatonic river in Connecticut originate and what is its base level?

    asked by jack
  83. English

    1. say [sei] 2. says[sez] 3. says [seiz] ---------------------------- #1 and #2 are correct. What about #3? Don't you use the pronunciation of #3? How come you don't use #3?

    asked by rfvv