# Questions Asked onAugust 19, 2013

1. ## Chemistry

6g of metal M react completely with 23.66g of chlorine to form 29.66g of the metallic chloride. Find the empirical formula of the metallic chloride. (M = 27, Cl = 35.5)

2. ## Physics

A nurse counts 72 heartbeats in 1 min. Show that the frequency and period of the heartbeats are 1.2 Hz and 0.83 s, respectively. I responded as: frequency=72hb/min*1min/60sec Is this correct? Thank you

3. ## english

1. Achieving goals you set is greatly helped by: writing down your long-term goals. your learning style. managing your time efficiently. getting good grades. is it A 2. To actively read means to: read aloud. concentrate on understanding. read fast.

4. ## physics

A cyclist moving on a circular track of radius 50m completes one revolution in 4min .what is the average speed

5. ## Chemistry

A student breaks a thermometer and spills most of the mercury (Hg) onto the floor of a laboratory that measures 15.2 m long, 6.6 m wide, and 2.4 m high. (a) Calculate the mass of mercury vapor (in grams) in the room at 20°C. The vapor pressure of mercury

6. ## Math

Need help with word problem. Stan and Oliver have a lawn mowing business. If Stan earns \$3.00 for every \$1.00 that Oliver earns, how much is Oliver's share for the day that they earned \$75.00? Stan 3x(1) & Oliver x x+3x(1)= 75 4x(1)= 75(1) Is the equation

7. ## Chemistry

What's the difference between relative and percentage abundance? What's the difference between realtive and average atomic mass? Is there a difference?

8. ## english

1. You want to discover your learning style because: you are curious. it lets you know how you learn best. it makes learning easy. you want to know if you are visual or auditory. it is B 2. Online learning is impossible without: information literacy. media

9. ## Justin

If 2.00 X 10^20 electrons move through a pocket calculator during a full day's operation, how many coulombs of charge moved through it?

10. ## Math

The Product of 2 consecutive odd numbers is 783. What are the numbers?

11. ## Chemistry

Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the equilibrium equation CO2(g) CO2(aq) K=.032 The acid dissociation constants listed in most standard reference texts for carbonic acid

12. ## english

information from the Internet is: always credible. a good source for research material. the easiest material to research. as good as library materials. is it A

13. ## Math

A 17 foot pipe is cut into three sections. The longest section is 3 times as long as the shortest and the middle sized section is 2 feet longer than the shortest. Find the length of each section to the nearest foot

14. ## Math

When a student sold an xbox on ebay for \$153, she was charged a two part final value fee: 5.25% of the first \$25.00 of the selling price plus 3.25% of the remainder of the sell price over \$25.00. Find the fee to sell the xbox on ebay.

15. ## English

You will need to research a type of mythical creature, such as mermaids, gnomes, leprechauns, goblins, or genies. You will then write an essay comparing the creature that you researched and the fairies in A Midsummer Night's Dream. Leprechauns are very

16. ## Finance

Can you please show me how to solve these questions? Can you double check my answers? Problem 5.17 Your finance text book sold 49,000 copies in its first year.The publishing company expects the sales to grow at a rate of 21.0 percent for the next three

17. ## math (finance)

can you help me with these questions and show me how to solve them??? PLEASE can you double check my answers. Problem 5.17 Your finance text book sold 49,000 copies in its first year. The publishing company expects the sales to grow at a rate of 21.0

6(x-1)=18x

19. ## MaTh

so it should be 3x-2 + x = 30 3x-2+2+x = 30+2 3x+x = 32 4x = 32 4x/4 = 32/4 x=8

20. ## hot springs

I am a fraction his numerator and denominator are both prime numbers less than 20. If you were to increase each term by 1 I would be equivalent to 1/2 what fraction Am I

21. ## Science

What is the most important factor affecting the size of a community in an ecosystem?

22. ## Math

How do you express the quotient of 15 and y? Is it 15 over y

23. ## math

6 runners run in a 500 yard dash. Prizes are awarded for 1st, 2nd, and 3rd place. Assume there are no ties, how many different orders can the runners finish 1st, 2nd, and 3rd?

24. ## math

2(x-3/4)+3(x+2/3)+4(x-1/5)=9x+17

25. ## math

What two numbers between 40 and 50 that have a greatest common factor of 7, the digits of one number is the sum of 6, the digits of the other number is the sum of 13, what are the two numbers?

26. ## math

On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of

27. ## Math

In Class A there are 80 the Boy to Girl ratio is 3 to 5. In Class B the boy to girl ratio is 3 to 2. If the 2 classes combined have an equal number o fboys and girls how many students are in class B?

28. ## math

use the digits 3, 7, 1, 5 to write a number that rounds to each of the following; 2, , 3,500, 6,000, 7,400

29. ## medical

what is medical code for come due to barbiturate intoxication

30. ## math - geometry

Austin wants to sketch the graph of a circle represented by the given equation. (x - 4)2 + (y + 7)2 = 64 Using complete sentences, describe the steps used to sketch the circle on a coordinate grid

31. ## Geometry, Help

1. Reasoning How does the Distance Formula ensure that the distance between two different points is positive? 2. There are two different formulas for midpoint. Is it possible to use the formula for midpoint "on a number line" when you are trying to find

32. ## algebra

what is the correct algebraic expression or equation when b is divided by -5 and the result is 14?

33. ## social studies

3 things in history that impacted in south America,europe,asia,africa and austrlia.(please list all and I can do the rest) P.S please get back to me by tomorrow before 2 o' clock

34. ## MaTh

Need help with another word problem The swim team sold tickets to their skit night to earn money to go to the finals in another city that was 200 miles away. They sold 4 adult tickets for each child's ticket. If they sold 155 tickets, how many adults

35. ## Math

For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to omega symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help.

36. ## MATH

For each of the following angles, find a coterminal angle with measure (theta symbol) such that 0 degrees is greater than or equal to theta symbol < 360 degrees. a) -100 degrees. I really do not understand how to work this problem and I need help

37. ## algebra

But I am getting more and more confused. -3-3x=-9????? and x/6=-24 but the there is a negative sign like x - - =-24 6 I know I am over thinking this,but I am confusing myself on these two???

38. ## solid mensuration

What is the area of a section bounded by a closed elliptical figure whose major and minor segments measure 60 m and 40 m, respectively?

39. ## Accounting

On october 31 A fund accrued 2000.00 for legal fees. In November 2000 the fund received an invoice. for October 2008 legal fees for an amount of \$2500 and paid the invoice on November. 15. Record the journal entry of october 31 2008 and to reflect

40. ## algebra

Tickets to a local movie store were sold at \$3.00 for adults and \$1.50 for students. If 170 tickets were sold for a total of \$480.00, how many adult tickets were sold?

41. ## English

1. If I met my favorite movie star, I would try shake hands with him. 2. If I met my favorite movie star, I would take his autograph. 3. If I met my favorite movie star, I would just smile at him. 4. If I met my favorite movie star, I would show my pocket

42. ## English

I'm working on a complements assignment, and I understand what they are, but I'm a little thrown off by something: Take the sentence, "At first this Saturday had been a warm, sunny day." Saturday is the subject, had been is the verb phrase, and the

43. ## English

No or not? "I'm wearing shoes, but no/not socks."

44. ## Calculus

Skateboarders Velocity is given as v=3t-0.2t^2 What is his max velocity

45. ## Calculus

Rainflow is a new U- Shaped system of guttering. The cross section is a semi circle with a radius of x topped by an open rectangle of height h. The total distance ABC is 20cm For which values of x and h will rainflow carry the most water ?

46. ## maths

factorise p^2+q^2+2q-6q^2+3pq+4yz

47. ## Math

What is the unit vector in R^2 which makes an angle of π4 with both the x- and y-axes?

48. ## ENGLISH

revise the following paragraph, improving it without changing its overall meaning. pay particular attention to any subject- verb agreement errors. You ever felt sleep deprived? college students often complains that they are not getting enough sleep.

49. ## programming c

Write a c program that will declare two dimensional array called of 5 row and 5 colum. The user will enter student marks for 25 student caculate and print the minimum and maximum average marks those students.

50. ## Sociology

Diane Kendall,9th edition, the question for assignment 1 is the review the top 10 values listed in textbook and decide which values are missing from the list and why were they not listed.

51. ## geometry

ABCDEF is a regular hexagon. Square ABXY is constructed on the outside of the hexagon. Let M be the midpoint of DX. What is the measure (in degrees) of ∠CMD?

52. ## Introduction to Physical Science

Hello, I always thought that sound was to loud when it hurts our ears or when sound vibration can make extremely loud noises. I am stuck on the following question: How loud is too loud? When is a sound too loud? What can be done about sounds/noises that

53. ## english

Clear communication in a government memorandum would most likely be hindered by

54. ## Math

(i don't know if i posted but im just doing it again just in case) A 17 foot pipe is cut into three sections. The longest section is three times as long as the shortest and the middle sized section is two feet longer than the shortest. Find the length of

55. ## BiologyI

Discoveries in DNA, cell biology, evolution, biotechnology have been among the major achievements in biology over the past 200 years with accelerated discoveries and insights over the last 50 years. Consider the progress we have made in these areas of

56. ## Social studies

How did the absolute monarchs contribute to the discovery of America? Wasn't it discovered before?

57. ## Earth Space

Do the phases of the moon affect how much of the moon is illuminated? I said yes because that's what causes us to have the different shapes/phases of the moon. Whichever parts are lit up. Is the following sentence true or false? The cycle of the phases

58. ## Latin

Im confused about verbs in latin. Like for instance if the sentence was The girl is running. Would it be translated: Puella currit. Do I not include the is in there? Aka est in latin?

59. ## english

How many different ways can i rewrite this theme; Acceptance through detachment?

60. ## writing

How do i finish this introductory paragraph? So far I have So far I have: Tuesdays with Morrie is a very meaningful and powerful novel. In the novel the author Mitch album is recapping on the last few weeks he spent with his dear friend and college

61. ## English

1. I am very happy to see patients recovering from surgery. 2. I am very happy to see patients who are recovering from surgery. 3. I am very happy to see patients who recover from surgery. (What does #1 mean? #2 or #3?)

62. ## Physics

An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel at 1530 m/s in seawater. Show that when the time delay of an echo to the ocean floor below is 4 s, the depth of the water is 3060 m. d=vt=1530ms x 2 =3060 not sure

63. ## Beginner latin

Can someone please give me five or four basic/beginner sentences that contain plural and singular words so I can translate them and you see if they are right? I have a test over grammar tomorrow, I can do sentences like: The girls were running through the

64. ## Justin

Four identical metallic spheres with charges of +2.2 µC, +8.2 µC, −4.6 µC, and −9.2 µC are placed on a piece of paper. The paper is lifted on all corners so that the spheres come into contact with each other simultaneously. The paper is then

65. ## MaTh

I need help with a word problem. Stella's sock drawer contains 30 pairs of socks. There are 3 times less 2 the number of pink socks than blue socks. How many pairs of pink socks and blue socks does Stella have? 2-3x + x = 30, 2+2-3x + x = 30 +2, 4x/4 =

66. ## math

Assume the average height and weight of a female in your math class is 5'5" and 140 pounds. Use this information to write a variation equation then use it to find the weight of the female below if they had the same body type as the average female. Round

67. ## english

what are some curriculum in english?

68. ## math

if you drive for 3hours at 60mph and then for 2hours at 70mph,how far will you travel?