jm

Most popular questions and responses by jm
  1. Can someone help me?!

    The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.

    asked on January 3, 2013
  2. Chemistry 12

    In s 0.30 mol/L HNO3(aq) solution. a) what is the concentration of nitric acid molecules. b)what is the hydroxide ion concentration?

    asked on April 1, 2011
  3. probability

    hydraulic landing assemblies coming from an aircraft rework facility are each inspected for defects. Historical records indicate that 8% have defects in shafts only, 6% have defects in bushing only, and 2% have defects in both shafts and bushing. one of

    asked on August 30, 2013
  4. math

    period of a 100 MHz FM radio were is roughly 1 X 10 to the negative 8th s. formulate a problem and solution.

    asked on September 19, 2015
  5. physics

    A fully charged 98 uF capacitor is discharged through a 125 ohms resistor. How long will it take for the capacitor to lose 75% of its initial energy

    asked on November 23, 2011
  6. math

    Formulate a problem and spolution of the diameter ofvthe atomic nucleus of a lead atom is 1.75 X 10 to the negative 15th meter.

    asked on September 19, 2015
  7. Math

    One angle of a triangle measures 100. the other two angles are in a ratio of 3:5. What are the measures of those two angles?

    asked on January 27, 2014
  8. math

    Time taken by light to travel 1 meter is roughly 3 x 10 to the negative 8th power. pls. formulate a problem and solution.

    asked on September 19, 2015
  9. Programming

    Develop a Java application that will determine the gross pay for each of three employees. The company pays “straight line” for the first 40 hours worked by each employee and pays “time and a half” for all hours worked in excess of 40 hours. You are

    asked on November 9, 2016
  10. physics

    a man stands on the roof of a building that is 30m tall and throws a rock with a velocity of magnitude of 40m/s at an angle of 33 degress a bove the horizontal. Calculate the following: a.) The maximum height above the roof reached by the rock. b.) The

    asked on February 7, 2013
  11. Chemistry 12

    Is O2(g) O2(aq) an endothermic/exothermic reaction, and why?

    asked on May 4, 2011
  12. chemistry

    a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?

    asked on March 11, 2013
  13. Fin215

    You are to assume that a firm’s cost of capital is 10%. Using this information, what are reasonable costs of capital for evaluating average-risk projects, high-risk projects, and low-risk projects. Based on your knowledge about this subject, I should

    asked on February 1, 2008
  14. Geometry

    If angle AOB=4x+15 and angle AOC=3x+25, find the degree measured of AOB and AOC

    asked on August 30, 2010
  15. Chemistry 12

    If a 0.50 M solution of potassium hypochlorite, [OH^-]=3.0*10^-4. What is the Ka for hypochlorous acid? Can someone please help me with this question? I can't get the right answer

    asked on April 14, 2011
  16. investing

    Suppose a firm estimates its cost of capital for the coming year to be 10 percent. What are reasonable costs of capital for evaluating average-risk projects, high-risk projects, and low-risk projects? Please help .

    asked on February 1, 2008
  17. math

    formulate a problem to the charge on an electron is roughly 1.6 X 10 to negative 19th power columbs.

    asked on September 19, 2015
  18. chemistry calculations

    An ore sample with a mass of 670 kg contains 27.7% magnesium carbonate .If all of the magnesium carbonate in this ore sample is decomposed to form carbon dioxide ,describe how to determine what mass of carbon dioxide is evolved during the process.

    asked on December 4, 2013
  19. accounting statistics

    Find the balance at the end of 6 years of $5000 investment in an account with a nominal annual rate of interest of 2.5% compounded quarterly over the first two years and then grows according to nominal annual rate of discount of 6% convertible monthly over

    asked on August 29, 2013
  20. Chemistry 12

    How do we determine the specific gravity of a solution? and what unit is it in?

    asked on September 18, 2011
  21. Physics

    The professor gave us no background material or explanations for any of these questions. 1. Imagine that molecules of H20 are stacked up in a cubic array, like a large number of cubical boxes. Each water molecule is taken to be at the center of each cube

    asked on January 30, 2009
  22. shs

    what are the convertion table for the temperature

    asked on November 12, 2015
  23. math

    A recipe good for 4 servings requires 1/8 tsp. of black pepper and 1/2 tsp/ of salt. how much pepper and how much salt needed for 2 servings?

    asked on September 13, 2015
  24. NS 2

    An object falls from a plane flying horizontally at an attitude of 40,000 ft. at 500 ml/hr. How long will take hit the ground?

    asked on July 11, 2014
  25. physics14

    In a cathode ray tube, electrons are accelerated from rest by a constant electric force of magnitude 6.2 multiplied by 10-17 N during the first 2.2 cm of the tube's length; then they move at essentially constant velocity another 43 cm before hitting the

    asked on February 16, 2012
  26. calculus

    what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..

    asked on August 15, 2011
  27. science

    if a person weighs 120kg on earth, how much would they weigh in space

    asked on May 3, 2011
  28. English

    Please help. How can I word this better? Rhea did not even question why they can not just all go together up to his room.

    asked on April 7, 2008
  29. Chem. theromodynamics

    if you start with 300g of lead acetate in 850ml of water what is the Pb^2+ concentration at a pH of 4.8?

    asked on May 25, 2012
  30. phys1

    A carnival swing is fixed on the end of an 7.6-m-long beam. If the swing and beam sweep through an angle of 130°, what is the distance through which the riders move?

    asked on February 20, 2012
  31. physics

    a 2 uF capacitor is connected in series with a 1.2 M ohms resistor and a 5 v battery for a long time. What is the current in the resistor 1s after disconnecting the battery?

    asked on November 23, 2011
  32. Physics

    The professor gave us no background material or explanations for any of these questions. 1. A contemporary computer chip dissipates 54 watts of power on a area of 1 square cm. due to the transistors inside this area. Assuming that transistors in succeding

    asked on January 30, 2009
  33. Canadian Political Science

    Is the Quebec National Assembly simply the provincial legislature of Qc? Are its members provincial MPs?

    asked on November 20, 2008
  34. earth science

    As an observer travels due east or due west, what happens to the angle of Polaris?

    asked on October 2, 2008
  35. English - Grammar

    Should there be a comma before "be alone" in this sentence? The bond between them was so strong that Rhoda knew she could not leave Rhea and be alone.

    asked on April 7, 2008
  36. English

    Is the comma right in this sentence? If not, what other punctuation can I use? “Where Are You Going, Where Have You Been?” tells the story of a teenager named Connie who is stalked by an older man, Arnold Friend.

    asked on April 7, 2008
  37. Algebra

    In a class of 60 students, 4/5 are members of Math Club. Among the members, 3/5 are girls. How many boys are members of Math Club?

    asked on August 11, 2016
  38. Math

    Jim is going to refinish the top and sides of an old wooden storage chest shaped like the cube shown below (there is a picture of a cube with the measurement 19.5 inches) Which is the closest to the surface area in square inches that Jim is going to

    asked on May 17, 2016
  39. Computer science

    How to convert from decimal to binary in matlab.....this is what I have so far..... dec = 43; i = 1; sum=0; while dec>0 r = rem(dec, 2); sum=sum+(i*rem); dec=dec/2; i=i*10; end sum

    asked on March 25, 2015
  40. Math

    Chapter 27, lesson 5 problem solving: use formulas

    asked on December 4, 2014
  41. chemistry

    a 2.50mL sample of dry air in a cylinder exerts a pressure of3.00atm at room temperature. without changing the temperature, a piston is moved until the pressure in the cylinder is reduced to 1.00atm. what is the final volume of the gas?

    asked on March 11, 2013
  42. Calculus

    On what interval is the function f(x)=x^2-6x+8 is increasing?

    asked on February 12, 2012
  43. calculus

    what is the derivative of y = (4x squared - 5/2x+3)raise to 3/2 three halves..

    asked on August 15, 2011
  44. english

    10 examples of back formation

    asked on July 14, 2011
  45. 5th grade

    least of possible numberthat rounds to 510

    asked on June 22, 2009
  46. law and ethics

    Who determines the amount of and kind of diagnostic tests allowed for a medical condition?

    asked on February 11, 2009
  47. English

    Is the punctuation right in this sentence? (the semicolon doesn't seem right) In another of Oates’s stories; “Heat“, the main characters were also deprived of the future because of their curiosity and loneliness

    asked on April 7, 2008
  48. Organizational Behavior

    How can a person’s perception of others impact an organization’s behavior?

    asked on March 2, 2008
  49. english

    How can I word these sentences better? 1)Regardless of how misery changes a person, everyone always wants to get rid of it. 2)The characters of the novel demonstrate how misery drives people to do things they would not normally do. 3)While standing near

    asked on February 27, 2008
  50. investing

    1. What does calculating the weighted average cost of capital (WACC) tell you about a company's financial strategy including the level of risk involved in the business? 2. How could the company use WACC calculations in determining future investment?

    asked on February 3, 2008
  1. Math

    17\54

    posted on September 19, 2017
  2. Math

    62.857

    posted on August 1, 2016
  3. Math

    Thanks.

    posted on May 17, 2016
  4. Chem

    1.73x10^11 km

    posted on January 29, 2016
  5. Math

    12

    posted on January 3, 2016
  6. health

    LMAO!! XD Cheaters everywhere you guys are awesome!

    posted on September 5, 2015
  7. Can someone help me?!

    the sum of the first 10 terms of the geometric sequence.

    posted on January 3, 2013
  8. Can someone help me?!

    My answer is 12276, is this correct?

    posted on January 3, 2013
  9. physics

    you do Fd=.5m*vfinal^2-.5m*vinitial^2 solve for vfinal and that is the correct answer.

    posted on November 17, 2012
  10. Chemistry 12

    How do we determine the specific gravity of a solution? and what unit is it in?

    posted on September 18, 2011
  11. Chemistry 12

    is it true that at 20ºC, 100g = 100mL (for water)

    posted on September 18, 2011
  12. Chemistry 12

    NVM, i got it! thanks!

    posted on April 1, 2011
  13. Chemistry 12

    Thank you! I am still confused about b)

    posted on April 1, 2011
  14. social studies

    N/A

    posted on January 11, 2010
  15. law and ethics

    Thank you..that is actually the answer i had i just wanted to be sure =)

    posted on February 11, 2009
  16. Law and Ethics

    Stumbling across this has made me feel a little better that im not the only one a bit stuck. Everytime i try to sit down and research or read anything one of my children need something. So far i have nothing but the night is still young.......lol=)

    posted on January 30, 2009
  17. Physics

    I'm just going to post this again since it keeps cutting my answers off.

    posted on January 30, 2009
  18. Physics

    It didn't let me finish writing this. For number 1, option D is 3.0 x 10-10 m. For that question I got B. 2. A student wishes to make a measurement of the road distance from his dormitory to the physics building of his university. she uses her car's trip

    posted on January 30, 2009
  19. Physics

    Also, I came out with D for 4 but again I'm not sure.

    posted on January 30, 2009
  20. Physics

    I kept working on these and now I have C for 2 and B for 3 but I'm still unsure.

    posted on January 30, 2009
  21. English - Grammar

    Thank you.

    posted on April 7, 2008
  22. English

    Thank you.

    posted on April 7, 2008
  23. English

    thank you.

    posted on April 7, 2008
  24. english

    Thanks. That really helped me out.

    posted on February 27, 2008
  25. investing

    Thank you Ms. Sue.

    posted on February 3, 2008
  26. investing

    Thanks.

    posted on February 3, 2008
  27. Fin215

    Then point me in the right direction and I will gladly quit "wasting" your time. Please.

    posted on February 1, 2008
  28. investing

    What if I just picked an operating capital of say 2M and used the current rates on low and high risk bonds added to the 10%, would this give me an answer for the three situtations?

    posted on February 1, 2008
  29. Effects of religon

    One of the effects that organized religions have had on society in the past is persecution of Christianity. During the pre-Christian era of history Christians were imprisoned or put to death by pagans. One of the greatest persecutions in history happened

    posted on October 2, 2007