# Gregory

Most popular questions and responses by Gregory
1. ## math

For the Rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78. For an 18 month period, the last term is and the series sum is . For a 24 month period, the last term is and the series sum is . For a 30 month

2. ## ELA

which of the following citations in a works cited page uses proper MLA style? A paul smith the night on the river New york penguin 1987 print. B the night on the river new york penguins 1987 print. C smith paul the night on the river new york penguins 1987

3. ## Math

The rate of bacteria growth in a laboratory experiment was measured at 14% per hour. If this experiment is repeated and begins with 7 grams of bacteria, how much bacteria should be expected after 15 hours? Round to the nearest tenth of a gram.

4. ## statistics

A person scores 81 on a test of verbal ability and 6.4 on a test of quantitative ability. For the verbal ability test, the mean for people in general is 50 and the standard deviation is 20. For the quantitative ability test, the mean for people in general

5. ## Chemistry

What idea can be used with waste products that involves Chemistry? For example, a banana peel can remove bad odor because it contains enzymes.

6. ## World History

Ancient Egypt has long captured the imaginations of ordinary people, not just historians. There seems to be a fascination with Egypt even more than other ancient cultures. Briefly discuss why you think that Egypt has continued to intrigue people.

The rate of bacteria growth in a laboratory experiment was measured at 14% per hour. If this experiment is repeated and begins with 7 grams of bacteria, how much bacteria should be expected after 15 hours? Round to the nearest tenth of a gram.

8. ## College Bio

Imagine you are conducting fieldwork and discover two groups of mice living on opposite sides of the river. Assuming that you will not disturb the mice, design a study to determine whether these two groups belong to the same species. If you could capture

9. ## calculus

definite integral of (e^(8x))cosh(8x)dx from 0 to 1/16 -I substitued the definition of cosh in, i.e. (e^(8x) + e^(-8x)/2 but i cant get the "e's" to combine and i know the answer is e/32

10. ## chemistry

According to the equation CH3COOH + NaOH ---> NaCH3COO + H2O is the the ratio in which the acid and the base react 1:1? How can I calculate the molar concentration of the acetic acid from this information?

11. ## Algebra

Kim invested a total of \$1500 in two accounts. One account paid 2% annual interest and the other paid 4% annual interest. After one year, Kim earned \$44 in interest. How much did she invest in each account?

12. ## physics

The figure below shows a train with 3 compartments only. Each of the compartments has a mass of 30 tons . Two of them are motor cars while the other one is a trailer car. Each of the motor cars provides a driving force F. Suppose the train is accelerating

13. ## Chemistry

A saturated solution of Mg(OH)2 is prepared having a large excess of Mg(OH)2. Sn(NO3)2 is added to the solution. Ksp = 1.8 10-11 for Mg(OH)2 and Ksp = 5.1 10-26 for Sn(OH)2. (a) What [Sn2+] is required to start the precipitation of Sn(OH)2? (b) What [Sn2+]

14. ## World History

Please read Chapter 2 in the textbook The First Complex Societies in the Eastern Mediterranean, ca. 4000-550 B.C.E. (pp. 22-43) and answer the following questions: 1. The Hittites were considered to have military superiority at the time, and they were a

15. ## Math

A farmer raises chickens and goats. She knows she has 22 animals all together. All together her animal has 56 feet. how many of each type of animal does she have?

16. ## physics

A Ferris wheel rotates at an angular velocity of 0.28 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.021 rad/s2. How long does it take the wheel to come up to operating speed?

17. ## physics

A pitcher throws a curveball that reaches the catcher in 0.67 s. The ball curves because it is spinning at an average angular velocity of 340 rev/min (assumed constant) on its way to the catcher's mitt. What is the angular displacement of the baseball (in

18. ## physics

A car travelling at 60 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 67 cm (with respect to the road) while being brought to rest by an inflated air bag. What force (assumed constant) acts on the passenger¡¦s upper

19. ## Chemistry

Solid Na2SO4 is added to a solution which is 0.012 M in Pb(NO3)2 and 0.048 M in AgNO3. Assume the volume remains constant. Ksp = 2.0 10-8 for PbSO4 and Ksp = 1.2 10-5 for Ag2SO4. (a) Which compound precipitates first? (b) What is the concentration of the

20. ## Chemistry

If 11.6 mL of 0.17 M MgCl2 are mixed with 24.9 mL of 0.58 M NaOH, what will be the final concentration of Mg2+ in solution when equilibrium is established? Assume the volumes are additive. Ksp = 1.2 10-11 for Mg(OH)2

21. ## World History

What difficulties did early humans face in migrating to Australia and the Americas and what are the theories about how they overcame those difficulties?

22. ## statistics

On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z scores for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4, (e) 1.5, (f) 0, and

What are the benefits to Britain, Sweden, and Denmark of staying out of the euro zone? What are the potential costs? Do you think these countries will eventually join the euro zone? Under what circumstances will they join?

24. ## Math

Josh thinks of an odd number between 268 an 282 the sum of the Hundreds digit and ones digit is equel to the tens digit .what is josh's number

25. ## statistics

A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations. The figures for the governors were 44, 36, 52,

26. ## World History

How were the Byzantine's Engineering geniuses? Take two or three of their engineering feats and discuss how these marvels led to the empire's overall success.

27. ## science

an areroplane flies to the destination 600km west of its starting point. A wind is blowing from the North-west at 75 m/s. The pilot wants to complete the flight in 55 minutes. Calculate the direction to be taken by the pilot.

28. ## Geometery

I am ask to write a two column proof. Given that AD is the diameter of circle O, and DC is tangent to O at D. Prove that Triangle ABD ~ (congruent) to triangle ADC

29. ## Algebra II

8x^3 -1 (2x)^3 - 1^3 (2x-1)(2x^2 + 2x + 1^2) -> but this doesnt factor

30. ## Algebra

Y= 312.3x+ 18.5 What is the slope?

31. ## statistics

A population of N=8 scores has a mean of M =20. If one score is changed from X=14to X=30 , what would be the value for the new mean.

32. ## algebra

square roots 12a^3/25 equal what it radical and rational exponent

c. What factors should drive a company to continue in, expand, or exit its chosen market

34. ## Chemistry

6. Explain how you would prepare this solution from powdered reagents and whatever glassware you needed: 3.0 L of 1.3 M NaOH

35. ## World History

To say crusade in arabic means something awful compared to saying crusade in English, which means symply "an adventure or mission possibly of a religious manner

36. ## World History

Why did Muhammad find the religion of Islam. How and why was the religion able to spread so rapidly?

37. ## World History

What caused the destruction of Angkor Wat.

38. ## math

square root of x+4-2square x-1=-1 could help me please.

39. ## Math

The requirement for computer server capacity at Acme Industries is expected to increase at a rate of 11% per year for the next 7 years. If the server capacity is expected to be 1,200 gigabytes in 7 years, how many gigabytes of capacity are there today?

40. ## Algebra

Time(hr) Water level (ft) 0 50 2 40 4 30 6 20 Enter the rate of change of the water level in feet per hour.

41. ## American Govt

Is efficiency the best standard for evaluating bureaucratic performance, or are there other important criteria by which to assess what the federal government does?

42. ## Algebra II (Geometric Series)

What is the sum of the following geometric series: 1+1/4+1/16

43. ## Math

Need help understanding half-life/decay problem for upcoming test. A water filter is constructed to form a foam that removes 25% of the particulate impurities for each inch of foam. 1.What percentage of the particulate impurities will be removed by a

44. ## Chemistry

What is the maximum amount of sodium chloride that will dissolve in 250 mL of water at zero degrees celsius?

45. ## algebra

x^2+x/x^2-6x+8/x^2+3x+2/2x^2-7x+6 can some help me please...

46. ## algebra

x^2-4/x^2+3x+2 4x^2-y^2/y-2x I need help with these problem

47. ## math

4,000,000-[(300,000)+x] = 147,000

48. ## statistics

Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they

49. ## social studies

The monarchies of Russia, Austria, and Prussia enacted policies that: A. increased the role of the military B. Sought to separate religion from the control of the state C. excluded nobles from all areas of public life D. worked to create an alliance

50. ## Algebra - Functions

Find the domain: a) [sqrt(x+3)]+[5x^2-180] b) [sqrt(x+3)]/[5x^2-180] c) (8x+9)(9x+8) d) (8x+9)/(9x+8) e) [sqrt(x+2)](5x^2-245) f) [sqrt(x+2)]/(5x^2-245)

51. ## American Govt

Why does the bureaucracy continue to expand?

52. ## World History

Consider the meaning of bloodletting and human sacrifice to the Mesoamericans How do these practices make sense in the context of their belief systems?

53. ## Algebra II (Exponents)

Simplify: (8x^ y^27)^1/3

54. ## Finance

If sales grew 20% from 10,000,000 to 12,000,000 and the discresinary financing needs is 500,000. What percent of sales grown would be needed to equal a DFN of zero.

55. ## Math

Amanda thinks of a Number between 35 an 48 the sun of the digits is seven what is Amanda's number

56. ## Math

Tom Whisky ou l'Illusioniste toqué?

57. ## American Govt

How much control does the public, through its elected representatives in Congress, exercise over the bureaucracy?

58. ## American Govt

What expectations does the American public have of the federal government?

59. ## literature

Jefferson approved of the arrangement of the federal government into

60. ## World History

Why did Columbus fail as an administrator on land but excel as a ship captain?

61. ## World History

How did the Samurai become such a powerful force in Japan.

62. ## World History

Describe the lost libraries of Timbuktu.

63. ## World History

Why did Julius Caesar lose power?

64. ## World History

What did Julius Caesar do after taking over Rome?

65. ## World History

What were Alexander's lasting contributions to society?

66. ## Trig/Math

RST is a triangle with right angle S. If s- 21.3 Angstroms and t=8.71 Angstroms, find the measure of the larger acute angle.

68. ## king

1:7=__:14=__:21=4:__=5:__=:42

69. ## World History

How did Julius Caesar gain power.

70. ## World History

Why did the Persians who seemed more powerful lose to Alexander?

71. ## Tangu

how long does it takes for 1000 pounds to melt in 12 feet of snow at 39 degrees

72. ## college algebra

3/t-3=5/t+4 3(t+4)(t-3)(5) check this problem

1. ## math

What's the answer for question number 18

posted on May 22, 2018
2. ## Math

No

posted on April 25, 2018
3. ## World History

My teacher will not allow us to use wikipedia,

posted on March 28, 2018
4. ## History

A is not the correct answer, I just got it wrong, I missed three out of 100 on the test I was taking and the three I missed I listened to this page, my gut told me not to but I did it anyway, lesson learned.

posted on March 27, 2018
5. ## Geometry

A circle has a diameter of 10 centimeters. What is the best approximation of its area? Use 3.14 to approximate for π . 15.7 cm² 31.4 cm² 78.5 cm² 314 cm²

posted on February 6, 2018
6. ## ELA

ok

posted on January 29, 2018
7. ## ELA

if you were reading the NOTE: section of my question you would have saw where i have giving you my answer's for both questions

posted on January 29, 2018
8. ## ELA

not really and what do you mean i have not indicated what my answer is?

posted on January 29, 2018
9. ## college

.) Construct a frequency distribution table for the following set of scores. Include columns for proportion and percentage in your table. Scores: 5, 7, 8, 4, 7, 9, 6, 6, 5, 3 9, 6, 4, 7, 7, 8, 6, 7, 8, 5

posted on January 21, 2017
10. ## math

no because it only has 9s facts.

posted on November 10, 2016
11. ## Algebra

HOURS STUDYING----- AVG GRADE 0-------------------- 62 1-------------------- 78 2-------------------- 85 5-------------------- 74 WHICH TYPE OF FUNCTION IS MOST LIKELY TO MODEL THESE DATA? A. LINEAR FUNCTION W/POSITIVE SLOPE B. LINEAR FUNCTION W/NEGATIVE

posted on April 6, 2016
12. ## Algebra

If the study had included these data, would this change the model relating avg body weight and avg pulse rate? Explain. Animal ----- Avg Wt------ Avg pulse g.pig-----------1------------250 rabbit---------2.5-----------265

posted on April 6, 2016
13. ## Algebra

Animal ----- Avg Wt------ Avg pulse g.pig-----------1------------250 rabbit---------2.5-----------265

posted on April 6, 2016
14. ## Algebra

Time--------Water level 0---------------50 2---------------40 4---------------30 6---------------20 Enter the rate of change of the water level in feet per hour.

posted on April 6, 2016
15. ## math, unit price

4 boxs of chicken nuggets for \$25.44.a competing restaurant has 6 box of chicken fingers for \$39.00.which food has a higher unit price?

posted on February 23, 2016
16. ## Math

Carnations are .60 Tulips are .80

posted on January 10, 2016
17. ## Social Studies

Well they are both wrong that's 4 sure lol

posted on June 4, 2015
18. ## physics

sorry that the graph I tried to make totally sucks. I meant the cars in the middle and right are motor cars and the train is accelerating to the right hand side.

posted on September 28, 2014
19. ## Chemistry

Thank you so much once again Dr. Bob!

posted on March 15, 2013
20. ## Chemistry

At least with part b. I figured out that part a is Pb(NO3)2

posted on March 15, 2013
21. ## Chemistry

Well, what a coincidence. Hello Stephon! My uncle's name is Stephon, but he lives across the country from me. Anyways, can someone please help me with this problem?

posted on March 15, 2013
22. ## Chemistry

This revision was correct. Thank you so much for helping, I actually understand how to solve the problem now.

posted on March 14, 2013
23. ## Chemistry

Pardon me, I meant -2(1.972) for NaOH and + 2(1.972) for NaCl

posted on March 14, 2013
24. ## Chemistry

I think I see the problem. For the first ICE box, shouldn't C for NaOH and NaCl be + 2*(1.972)?

posted on March 14, 2013
25. ## Chemistry

Thank you! I got this one right.

posted on March 14, 2013
26. ## Chemistry

I keep getting 1.0e-10 for x. I even tried 1.03e-10. The answer is incorrect. I checked your work, and everything was calculated correctly, I'm not sure what went wrong.

posted on March 14, 2013
27. ## Math

Please ignore this question. I was a able to get it. Thanks For Reading!

posted on February 20, 2012
28. ## arithmetic

In a survey of 300 students,96 of them said that math is their favorite subject.

posted on August 23, 2011