# Questions Asked onAugust 29, 2014

1. ## chemistry

Gallium is a metal with a wide variety of uses. Some of its applications include computer memory chips, light emitting diodes and lasers. Radioactive isotopes of gallium are used to image the human body and locate tumors. Naturally occurring gallium

2. ## math

8. When constructing a perpendicular bisector, why must the compass opening be greater 1/2 than the length of the segment?

Please help with the following: 1. Based on the myths “The Maori: Genealogies and Origins in New Zealand” and “The Raven and the First Men: The Beginnings of the Haida,” one way the Maori culture most differs from the Haida culture is that the

4. ## algerbra

A gym membership costs \$25 to join and \$14 each month. Write and use an algebraic expression to find the cost of the gym membership for 6 months.

5. ## Science

Why do scientists use standard units of measurement? A.Because their tools only measure in these units. B.Because other units are either too small or too large to work with. C.So they can communicate findings without confusion. D.So that people who are not

6. ## algebra 2

the formula c=5/9(F-32) gives the temperature in degrees celsius for a given temperature in degrees fahrenheit. what is the temperature in degrees celsius when the temperature is 68 degrees fahrenheit. c=5/9(f-32) c=5/9 (68-32) c=5/9(36)=20

7. ## P.E

Self-actualization means that you focus on yourself all the time. True False Is the answer False?

8. ## Chemistry

How many moles of aspirin C9H8O4, are in a bottle comtaining 450g by weight? (The approx atomic weights are C=12, H=1, O=16)

9. ## maths

A man goes upstream for a distance of 10 kms in 5 hours. Another man goes downstream the same distance of 10 kms in 3 hours. what is the difference in speeds of two men if the river speed is 0.5 km/hr

10. ## math

a man climbing a ladder which is inclined to the wall at an angle of 30 degree. if he ascend at the rate of 2m/s then he approach the wall at the rate of

11. ## math

the number of block has 9 in the ones place. the number in the hundreds place is one more than the number in the tens place, those two numbers equal 11. how many blocks are there,

12. ## Markups and markdowns

Sally buys a hand bag. There is a discount of 30%. IF Sally paid \$20, what was the original price?

13. ## physics 12

A hollow sphere us charged to 14uc .Find the potential(a) at its surface (b) inside the sphere (c) at a distance of 0.2m from the surface.The radius of sphere is 0.3 m

Can u please help me with fourth edition improving vocabulary skills short version ? Chapter 1 sentence check 2.

15. ## eng composition

Amy and carl are discussing the essay by tardiff and brizee. Army argue that her essay on how the cocoa bean is processed into chocolate should becconsidered an explanatory essay. Carl remaks that her essay might be called an explository essay. Who is

16. ## chemistry

In the combustion of hydrogen gas, hydrogen reacts with oxygen from the air to form water vapor. If you burn 54.8 g of hydrogen and produce 4.90 × 102 g of water, how much oxygen reacted?

17. ## vocabulary

Denotative and Connotative A. Synonyms B. Antonyms C. Neither I think A?

18. ## Physical Science

What is the weight of a 4.82 kg backpack in Newton and the acceleration of the backpack if a net force of 10.0 N is applied in m/s2?

I'm to compare I have a Dream speech with Mandela's Inauguration speech literary devices used in their speeches. I found the similarities of literary devices used for both speeches but I cant answer the differences of literary devices between the two

20. ## Physics Electricity and Magnetism

A microscopic droplet of ink in an ink-jet printer is deflected onto the paper by a force of 2.34×10-4 N. If the field causing the deflection is 6.62 kN/C, what is the charge on the droplet? What equation do I use to solve and What does each value mean in

21. ## is it correct algebra 2

3ab-2bc a=-4 b=6 c=-9 3(-4)(6)-2(6)(-9) -12(6)-12(-9) -72- -108 -180

22. ## Chemistry

How many moles of sodium ions are there in 5.85g NaCl? So far all I have tried to do is 5.85/58.5=0.1 mol of NaCl but I don't understand how you find the number of moles of sodium ions only.

23. ## accounting II

A company has \$314,000 in credit sales. The company uses the allowance method to account for uncollectible accounts. The allowance for doubtful accounts now has a \$1,890 debit balance. If the company estimates that \$8,160 of accounts will be uncollectible

24. ## physics

Two positive point charges of 15 into 10^-10 C and 13 into 10^-10 C are placed 12cm apart.Find the work done in bringing the two charges 4cm closer ?

25. ## Physics

1 Angstrom = how many Coulombs?

26. ## Physics

Each crate moves from position 1, to position 2 to position 3. All of the crates are identical. the coordinate values given are in meters. Rank A through F in order from least to greatest, on the basis of the displacement from the position 1. If any crates

27. ## Math

A student goes through seven class periods in school. Each period lasts 55 minutes. How many hours does he spend in class per week?

28. ## physics

a block of mass 0,5kg is attached to a spring .The spring is compressed to a distance of0,1m.The block is released .The block moves 0,07m past the equilibrium position .What is the force of friction that does work on the block. spring constant is 500

29. ## eng composition

Which statement is true? A. Once you write a thesis statement don't change it. B. A theisi statement is the first thing you should write before drafting an essay. C. Feel free to change a thesis statement if you feel you can improve it. D. If you change

During the Reagan years, what happened to the overall course of the budget deficit? A. It rose. B. It fell. C. It increased by about \$210 billion D. It increased, then fell back to its original level. I chose C. What was the major cause of deficit

31. ## Math

A fast growing mushroom doubled in size every day. After 30 days, it measured 6 inches tall. On which day did it measure 1 1/2 inches tall?

32. ## eng composition

while researching a topic, online or in print anyofthe following may be an indicator of reliability except for which one? A. The author or authors are experts in a particular field. B. The author's topic is similar to your selected topic. C. The author

33. ## AP Calc. AB

If an arrow is shot upward on the moon with a velocity of 56 m/s, its height in meters after t seconds is given by . Find the instantaneous velocity after one second.

34. ## Physics

What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r=4.84±0.05m? I keep getting 6% and it says i am wrong.

35. ## physics

a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block moves 0.07m past the eequilibrium position .What is the force of friction that does work on the block? spring const is 500. F -kx

36. ## math

one canned juice drink is 25% orange juice; another is 5% orange juice. ow many liters of each should be mixed together in order to get 20L that is 14% orange juice?

37. ## English

When I went back to my home town three years ago, I found that a lot of changes ____. (A) are taken place (B) were taken place (C) have taken place (D) had taken place I answered it as B. but in the book the correct answer was D. please explain by giving

38. ## math

one canned juice drink is 30% orange juice; another is 10% orange juice. How many liters of each should be mixed together in order to get 20L that is 15% orange juice?

39. ## finance

LaMont Industries had cash flow from operations of \$19 300 last year. The depreciation expense was \$2 300, interest expense was \$600, and taxes were \$1 400. They have 40 000 shares outstanding. What is the earnings per share for last year?

40. ## math

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please

41. ## Physical Science

An 84.9 kg man is standing on a frictionless ice surface when he throws a 2.00 kg book at 11.1 m/s. With what velocity does the man move across the ice?

42. ## Physics

What is the magnitude of the electric force between a proton and an electron when they are at a distance of 2.63 Angstrom from each other?

I did the work I just want to see if half of my questions are right then ill post my other half after this so please check and thanks very much. ----------------------------------------1.Horses 2.everything 3.Brother 4.shoesand socks 5.games 6.event 7.End

44. ## math

There were 654 tickets sold for a basketball game. The activity cardholders' tickets cost 1.5 and the non-cardholders' tickets cost 2.00. the total amount of money collected was 1171.50. how many of each kind of tickets were sold.

45. ## English

1. She sent Ben a letter. 2. She sent Ben a postcard. (Does #2 mean #1?) 3. Pretend you have been a frozen man for 20 years. You woke up just now. What are your plans for the future? I want to take exercise first. I plan to deliver a speech at a

46. ## History

Check my answer please I want to make sure I didn't leave something out, I was suppose to explain Spain, France, and England's settlements. In English colonies the earliest settlements were in Virginia and Massachusetts but soon spread all along the

47. ## Calculus 2

use the method of cylindrical shells to find the volume generated by rotating the region bounded by the given curves about the y-axis. y=x^(1/3), y=0, x=1

48. ## Physics

Can someone please explain the method to solving the following electrostatics problem? Thank you very much. Consider three charged sheets, A,B, and C. The sheets are parallel with A above B above C. On each sheet there is a surface charge of uniform

49. ## criminal justice

Probation officer Nichols is in charge of Jim. Jim was sentenced to three years of imprisonment for drug trafficking. However, because Jim had no past records of criminal activity, he was granted probation. He also had an excellent work record. The terms

50. ## physics

an adult elephant has an average shoulder height of 350 cm and average mass of 5,7000 kg. If an elephant initially at rest was to be lifted by a cable to a height of 20 m (a) What is the tension in the cable if the elephant is accelerating upwards at rate

51. ## Math

There are 36 students in a student council in a school and the ratio of the number of boys to girls is 3:1 . How many more girls should be added to the council so that the ratio of boys to the number of girls may be 9:5

52. ## child development part 2

When preparing an environment for school - aged children, the caregiver should ensure that the

53. ## math

11. The midpoint of is E(–1, 0). One endpoint is C(5, 2). What are the coordinates of the other endpoint? can someone please explain how to do this problem

54. ## Math

Identify each data source as primary or secondary. State one advantage or each source of data. a) A researcher interviewed 10 students about their study habits - primary b) A sporting goods company searched on the internet for data on how Canadians spend

55. ## Engineering

Phase diagram for soil Mechanics?

56. ## sanskrit

information about sanskrit dramatist except kalidas in sanskrit

57. ## math

At a local Mcdonald’s managers will return a shipment of hamburger buns if more than 10% of the buns are crushed. A random sample of 81 buns 13 buns crashed. A 5% significance level test is conducted to determine if the shipment should be accepted. The

if 0

59. ## math

Hi I need help with 5 questions..some of it is confusing to me. I just want to make sure my answers are right. 1.6^-7 x 6^4 6^-3 ; 6^-11 ; 6^-28 ; 6^11 - my answer is 6^-3 2. 7/ 7^5 = 7^-2 (supposed to find the missing value which is the other exponent on

60. ## math

If suzie is standing 50ft away from a bulilding and there is a 100ft latter going from sizie to the top of the buliding. How tall is the building

61. ## English

1.Thank you for visiting our nursing home. It was great fun last weekend. ------------------------ In Sentence 1, what does 'It" refer to? 2. Look at the elderly person. 3. Look at the elderly people. --------------- Are both OK? Is Sentence 2 grammatical?

62. ## Precalculus

If the length of a rectangular is three feet longer than the width and the perimeter is 62 feet, what is the width?

63. ## Math

If a pitcher throws a ball to homeplate at a speed of 57 miles per hour for the distance of 47 feet how long does it take to cross homeplate? I multiplied distance x speed and got 2679 but not sure what that means???

64. ## English- Ordinary People by Judith Guest

In the book Ordinary People by Judith Guest, what are her biases? How can one determine an authors bias if it is a fiction book?

65. ## English

Slaughter- House Five - Hi guys, I was trying to figure out three major INJUSTICES seen in this novel. I already have the whole idea of war being and injustice on the "children" fighting in it, but I needed two more that I can expand upon. ~ Thanks in

66. ## Chemistry

Write the ionic equation for the reaction of lead 2 nitrate reacting with the acidic solution to form a precipitate

67. ## math

Suppose that an insurance agent offers you a policy that will provide you with a yearly income of \$80,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 4% compounded annually? (Round your answer to the nearest cent.)

68. ## sig figs

7.49e7/[(4/3)*(3.1416)*(1.4 e2)] I get 24707113200 but is wrong. sory for bad english. is not my first lenguage.

69. ## math

If joe stands. 25ft away from a 40ft buliding how long would a ladder have to be to reach from the ground where joe is standing to the top of the building

70. ## math

12. What is the distance between P(–4, 3) and Q(6, 1)? Round to the nearest tenth. can someone please explain how to do this problem please

71. ## physics

convert 1micro A TO mA answer: 1*10^-6A *10^-3m =1*10^-9mA

72. ## Geography

What numbers do lines of latitude and longitude start and end with?

73. ## vector

find equations for the osculating normal and rectifying planes to the curve x=3t-t^2, y=3t^2, z=3t+t^3 at point where t=1

74. ## English

At the End of a letter or mail, people use the expression as follows, what is the meaning 'Best' here? What else can we use between friends? ... ... ... Best, Sam

75. ## maths

Find nutritional value of apple juice in 100 ml. Express it in alegbraic expressiond

76. ## math word problem

How many millimeters is the ribbon if she cut 20cm and wrap around a gift

77. ## probability

two cards are drawn from a standard deck of cards, with replacement what is the probability the first card is an ace and the second card is an ace

78. ## Math

Find and express the results in polar form for the following: z = 2(e^(-jω) - e^(j7ω)), where ω = omega j is the math equivalent of i = sqrt(-1)

79. ## sanskrit

i need information about jaydeva in sanskrit

80. ## Calculus AB

Consider the function (4)/(1-2^(1/x)) 1. Estimate the right-hand limit, lim x->0+ f(x). Back up your answer by making an analytic argument about f(x) for values of x that are close to 0 but larger than 0. 2. Estimate the left-hand limit, lim x->0- f(x).

81. ## math

(what is the meaning of this question) If the root of the equation x²-8x+m=0 exceeds the other by 4 then the value of m is

82. ## math

i marked a state test and someone changed the score how did they do that