Questions Asked on
March 31, 2018

  1. FINITE MATH

    Robin, who is self-employed, contributes $5500/year into a Keogh account. How much will he have in the account after 35 years if the account earns interest at the rate of 2.5%/year compounded yearly? (Round your answer to the nearest cent.)

    asked by DESIA
  2. math

    In a small country of varia a bill becomes a law only if 34/50 of the senators approve it

    asked by philp
  3. physics

    As a 2.0-kg object moves from (2i+5j)m to (6i-2j)m, the constant resultant force acting on it is equal to (4i-3j)N. If the speed of the object at the initial position is 4.0 m/s, what is its kinetic energy at its final position? Ans: 40J

    asked by ATT
  4. Chemistry

    If 4.39 g AlCl3 is dissolved in enough water to make exactly 100.0ml of a solution, what is the molar concentration of the chloride ion?

    asked by Karen
  5. Chem

    A dilute aqueous solution of Na2SO4 is electrolyzed between Pt electrodes for 3.70 h with a current of 2.77 A . Part A What volume of gas, saturated with water vapor at 25∘C and at a total pressure of 742 mmHg , would be collected at the anode? The vapor

    asked by A
  6. English

    Which of the following sentences contains an infinitive? A. Courtney traveled to the mountains each year for a ski trip with her family. B. Komail practiced playing his guitar to his animals before each big recital. C. My best friend led the class in

    asked by Anonymous
  7. English

    Which of the following sentences contains a gerund? A. After deciding what to write about, Evan went to the library. B. Evan will be typing his English paper throughout the evening. C. Editing papers was Evan's favorite part of the writing process. D. Evan

    asked by Anonymous
  8. Science

    explain why the speed and direction of sugar solution moving in the phloem tubes

    asked by Noor
  9. physics

    A 3kg mass sliding on a frictionless surface has a velocity of 5m/s east when it undergoes a one-dimensional inelastic collision with a 2kg mass that has an initial velocity of 2m/s west. After the collision the 3kg mass has a velocity of 1m/s east. How

    asked by ATT
  10. CHEMISTRY

    A(aq) + B(aq) + C(aq) → D(aq) [A]. [B]. Rate (mol) 0.01 0.02 0.0005 0.02 0.02 0.0010 0.01 0.04 0.0020 Determine : a) The order of the reaction of each reactant b) The rate law c) The rate constant K, Using result from experiment 1. Please working answers

    asked by DON
  11. math

    the gross domestic product (GDP) of a certain country is growing at a constant rate. In 2009 the GDP was 125 billion dollars , and in 2011 it was 155 billion dollars. At what percentage rate will the GDP grow in 2014?

    asked by TOM
  12. physics

    the number of waves of wavelength 6000 angstrom in a path of 2 cm in vacuum are

    asked by Nisha
  13. Math

    A sum of a number and it's reciprocal is 2 1/30 (mixed fraction) determine the number? I have tried solving it with no luck. I get stuck on the part of completing the square. Please help me Thank you

    asked by Star
  14. Social Studies (Help!)

    Which of the following describes how farmers and ranchers changed the Great Plains? The land became difficult to farm. Farmers and ranchers began fencing the land. The area turned into a desert. The area became an important buffalo preserve. I don't know

    asked by Anonymous
  15. trignometry

    suppose that the water level varies 70 inches between low tide at 8:.40 AM and high tide at 2:55PM .what he cosine function that models the variation in inches above and below the average water level as a function of the number of hours since 8:40AM .at

    asked by adiba
  16. Social Studies

    Monk's Mound, the largest structure at Cahokia Mounds was built entirely out of A. earth. B. mudbricks.* C. stone blocks. D. adobe.

    asked by Mr. Skill's101.4
  17. Chemistry

    How many moles of CO2 will be produced if 9.0 moles of O2 completely react? is it 9.0 mol of CO2?

    asked by Anonymous
  18. Math~coordinate planes

    In which quadrant does the point (24, 9) lie? A. Quadrant IV B. Quadrant II C. Quadrant III D. Quadrant I

    asked by Mr. Skill's101.4
  19. Chemistry

    Can somebody help me with this? How many grams of C2H5OH are used up when 6.25 grams of O2 react according to the following equation? C2H5OH + 3O2 ---> 2CO2 + 3H2O

    asked by Anonymous
  20. physics

    A 6 kg mass is attached to a light cord that passes over a massless, frictionless pulley. The other end of the cord is attached to a 3.5 kg mass as in Figure below. Use conservation of energy to determine the final speed of the 6kg mass after it has fallen

    asked by ATT
  21. English

    I read a story and now it asking me to identify the theme. I don’t know how to identify a theme. Can you give me some tips and make me understand what that means. How am I suppose to find those clues in a story that tell me this is a theme or some clues.

    asked by Ali
  22. physics

    At an instant when a particle of mass 80 g has a velocity of 25 m/s in the positive y direction, a 75g particle has a velocity of 20 m/s in the positive x direction. What is the speed of the center of mass of this two-particle system at this instant?

    asked by ATT
  23. Chemistry

    A 50.0 −mL sample of 1.50×10−2 M Na2SO4(aq) is added to 50.0 mL of 1.23×10−2 M Ca(NO3)2(aq). What percentage of the Ca2+ remains unprecipitated? Calculate the moles of Ca(NO3)2 you have (concentration * volume in L). Moles of Ca(NO3)2 = moles of

    asked by K
  24. Chem

    At 298 K, 1.20 mol BrCl(g) is introduced into a 10.0 −L vessel, and equilibrium is established in the reaction. BrCl(g)⇌1/2Br2(g)+1/2Cl2(g) A) Calculate the amount of BrCl(g) present when equilibrium is established. [Hint: Use ΔG0[Br2(g)]=3.11kJ/mol,

    asked by A
  25. Chemistry

    For this equation here: H2SO4 + 2NaOH = 2H2O + Na2SO4 What is the theoretical yield of Na2SO4, in grams?

    asked by Cris
  26. chemistry

    theoretically, how much iodoform could be prepared from 25ml of 95% ethanol(sp. gr. 0.79)?

    asked by jen
  27. Chemistry

    Arrange each group of compounds/ions in order of increasing pH. 1. Li2CO3 , OH^- , NH4Br , NaCl 2. CH4 , HBr , H2O , F^- Lastly, I'd like to check if my answers for the following three questions were listed correctly in order of pH levels increasing. 3.

    asked by TP
  28. English

    1. School lunch is very important for children. [School lunch in general] 2. The school lunch is great. I like it very much. 3. The specific school lunch is great. 4. The school lunch at the cafeteria in our school is great. ------------------------------

    asked by rfvv
  29. Chemistry

    A 2.5g sample of impure Copper was analyzed by allowing it to react with 45mL of 5M Nitric Acid to form Copper (II) Nitrate, Nitrogen Dioxide, and Water. Of the Nitric Acid, .0125mol remained. Assuming impurities do not react, what is the % Copper in the

    asked by Delila
  30. chemistry

    At 298 K, 1.20 mol BrCl(g) is introduced into a 10.0 −L vessel, and equilibrium is established in the reaction. BrCl(g)⇌1/2Br2(g)+1/2Cl2(g) A) Calculate the amount of BrCl(g) present when equilibrium is established. [Hint: Use ΔG0[Br2(g)]=3.11kJ/mol,

    asked by A
  31. Computer science

    In C++ you will be making a program that can take command like args. Using command line arguments, allow the program to do the following If the command is -i, print: Integer, and then print the integer after it. If the command is -f print: float, and then

    asked by Syd
  32. Math~Coordinate Planes

    On a coordinate plane, how are the locations of the points (3, -1) and (-3, 1) related? A. locations unrelated B. reflection across the x-axis C. reflection across both axes* D. reflection across the y-axis

    asked by Mr. Skill's101.4
  33. physics

    A metal rod is moving in uniform magnetic field of 2T with a velocity perpendicular to the direction of the field as shown on the diagram. If the speed of the rod is 5m/s and the distance between points A and B is 0.1 meters what is the potential

    asked by Maria
  34. Physics

    A wire loop of radius 0.10m lies so that an external magnetic field of magnetic 0.50T is perpendicular to the loop. the field changes its magnitude to 0.01 T in 2.5 s. find the magnitude and the direction of the average induced emf in the loop during this

    asked by Maria
  35. Language Arts

    What are some subjects I could use for an opinion essay? I don't need help writing it, I just want a subject. Thanks, AnOnYmOuS

    asked by Anonymous
  36. Chemistry

    calculate the number of moles of hydrogen from 0.0840moles of mg and excess hcl

    asked by michael
  37. Calculus

    Find any relative max or min points of the given function y=3x^2+12x+17 So far, I have: y'=6x+12=0 2(3x+6)=0 x=-2

    asked by Mike
  38. Materials Science

    In the company you work as an engineer, you are assigned to determine the electrical conductivity of a new intrinsic semi-conductive material at temperatures of 20 and 100 °C and the band gap (Eg). So you cut out this material in the form of a rectangular

    asked by hewhomustbenamed82
  39. BUSINESS

    DESCRIBE THE CURRENT POLITICAL ISSUES DISCUSSED IN THE MEDIA OR NEWS OVE JANUARY AND FEBRUARY 2018

    asked by Joan
  40. English

    1. Books are expensive. [Books in general] 2. The books are expensive. [The specific books, The particular book...] 3. The book is expensive. 4. The book in general is exprensive. 5. The specific/particular book is expensive. 6. I bought the book at the

    asked by rfvv
  41. Math

    In a study, info about 224 amphora was gathered. The locations where the amphora were found were recorded as, north, south or elsewhere. Also the positions in which the amphora were found was recorded as layer, pit or other. I need to state the null and

    asked by s17
  42. math

    Find the distance between A and B, if Jimmy travelled from A and B at 100 km/h. This trip would take him 3 hours more at 80km/h

    asked by Anonymous
  43. Science

    Which is the earliest form of human fossil? A.neanderthel man B.homo habilies C.dryopithecus

    asked by Rr
  44. math

    A book is 10 cm x 18 cm long and 2 cm thick. It has a protective paper ‘jacket’ over the entire cover and folding 5 cm under the front and back covers. How much paper is needed for the ‘jacket’?

    asked by anonymous
  45. Materials Science

    What is the drift velocity of electrons in Si under room temperature and 500 V/m electric field, as we know that the electron mobility of Si is 0.14 m^2 / V.s at room temperature? Under these conditions, how long can an electron pass a Si crystal of 25 mm

    asked by hewhomustbenamed82
  46. chemistry

    an unknown alcohol reacts with sodium salt but further tests show the compound to be an aliphatic hydrocarbon. what structural unit is probably present in the hydrocarbon?

    asked by jen
  47. Science

    Was the term 'water closet' from John Harington, who invented the toilet long ago? Water closet seems to mean either the toilet or a room with the toilet. Then the water closet which John Harington invented was a toilet bowl, its seat and water tank in the

    asked by rfvv
  48. Science

    Silicon is widely than germanium.why? Give scientific reason

    asked by Rr
  49. Science

    What are the steps of evolution of star and sun like star? What's difference

    asked by Rr
  50. Math

    If a

    asked by bryan
  51. physics

    what is the formula for work?

    asked by Anonymous