# 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.

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?

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

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.

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

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.

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?

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.

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

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

11. ## Chemistry 12

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

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?

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

14. ## Geometry

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

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

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 .

17. ## math

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

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.

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

20. ## Chemistry 12

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

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

22. ## shs

what are the convertion table for the temperature

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?

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?

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

26. ## calculus

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

27. ## science

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

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.

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?

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?

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?

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

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

34. ## earth science

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

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.

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.

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?

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

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

40. ## Math

Chapter 27, lesson 5 problem solving: use formulas

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?

42. ## Calculus

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

43. ## calculus

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

44. ## english

10 examples of back formation

least of possible numberthat rounds to 510

46. ## law and ethics

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

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

48. ## Organizational Behavior

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

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

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?

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