# Questions Asked onMarch 10, 2009

1. ## physics HELP

which unit is equivalent to meters per second? a. hz*s b. hz*m c. s/hz d. m/hz

2. ## Physics

Jenny and Betty are having a great time at Busch Gardens riding the Ubanga Banga bumper cars. Jenny, who is traveling southward in her bumper cars, aims her cars toward Betty, who is traveling northward in her bumper car. The cars collide and briefly come

3. ## chemistry need help

Determine the number of moles of each specified atom or ion in the given samples of the following compounds.( Hint: the formula tells you how many atoms or ions are in each molecule of formula unit.) a. O atom in 3.161x10^21 molecules of CO2 b. C atom in

4. ## Chemistry

Which of the following species is the strongest oxidizing agent under standard state conditions? a. Ag+(aq) b. H2(g) c. H+(aq) d. Cl2(g) e. Al3+(aq) I think Ag+(aq) will transfer electons sooner than the other four choices. BECAUSE: H2 will hold on it its

5. ## algebra 2

a card is drawn from a deck of 52 and recorded. then the card is replaced, and the deck is shuffled. this process is repeated 13 times,what is the probability that at least one of the cards drawn is a heart?

6. ## algebra 2

While playing Yahtzee, Amanda rolls five dice and gets 1, 2, 4, 5, 6. She decides to keep the 1, 2, and 4, and reroll the 5 and 6. After rerolling the 5 and 6, what is the probability for a large straight (1-2-3-4-5) or three 4's? Also, what is the

7. ## chemistry

In the following half equation, which is the oxidizing agent? NO3–(aq) + 4H+(aq) + 3e– NO(g) + 2H2O a. NO3– b. H+ c. e– d. NO e. H2O An oxidizing agent is a chemical compound that readily transfers oxygen atoms, or is a substance that gains

8. ## calculus

(1 pt) At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 15 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile

9. ## drama

does it cost money to go on the show trading spaces boys vs girls on the discovery channel

10. ## chemistry

What volume of .101 M HNO3 is required to neutralize each of the following solutions? there are four and i got them all right but this one... 51.1 mL of .127 M NH3 i got 193 mL can someone please help???

11. ## Math

A rectangular study area is to be enclosed by a fence and divided into two equal parts, with a fence running along the division parallel to one of the sides. if the total area is 384 ft^2, find the dimensions of the study area that will minimize the total

12. ## algebra

A 4-person leadership committee is randomly chosen from a group of 24 candidates. Ten of the candidates are men, and 14 are women. What is the probability that the committee is all male or all female? What is the probability that the committe has at least

13. ## math

Suppose that a college admissions office needs to compare scores of students who take the Scholastic Aptitude test(SAT) wit those who take the american college test (ACT). Suppose that among the college's applicants who take the SAT, scores have a mean of

14. ## Science

If you know the temperature (T) and dew point (Td) of an air parcel at the surface, you can calculate the LCL using the following equation. LCL=125m x (T-Td). Calculate the LCL: Parcel A Parcel B surface temperature 30 degrees C 30 degrees C Surface dew

15. ## ap stats need help

Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator described. Find the following probabilities: a.P(0¡ÜX¡Ü0.4) b.P(0.4¡ÜX¡Ü1) c.P(0.3¡ÜX0.5) d.P(0.3(

16. ## CHEM HELPP!!!

Imagine that you are in chemistry lab and need to make 1.00 of a solution with a pH of 2.50. You have in front of you 100 of 7.00×10−2 , HCL 100 of 5.00×10−2 , and NaOH plenty of distilled water. You start to add HCL to a beaker of water when someone

Apply critical thinking to the decision making process by discussing workplace examples that highlight each of these three types of thinking...creative thinking, logical thinking, and persuasice thinking. Must be a minimum of 200 words.

18. ## Science

Which type of seismic wave causes rock particles to move in the same direction as the wave movement? a. P-wave b. S-wave c. tension wave d. shear wave

19. ## math

a driveway is 162 feet long, 12 feet wide, and 6 inches deep. how may cubic yards of concrete will be required to lay the driveway? and pease explain answer

20. ## algebra

Lincoln High School has 98 teachers. Of the 42 female teachers 8 teach math. One-seventh of all teachers teach math. What is the probability that a teacher is a women or teaches math?

21. ## chemistry

Mole and Particle practice How many representative particles (atoms, ions, molecules, etc) are present in each of the following? 1) 4.3 mol of tungsten 2) 2.45 * 10-6 mol nickel (II) selenide (NiSe) 3) 0.923 mol of selenium tetrabromide (SeBr4) How many

22. ## algebra 2

While playing Yahtzee, Amanda rolls five dice and gets 1, 2, 4, 5, 6. She decides to keep the 1, 2, and 4, and reroll the 5 and 6. After rerolling the 5 and 6, what is the probability for a large straight (1-2-3-4-5) or three 4's? Also, what is the

23. ## chemistry

A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 and the initial pressure of chlorine was 1.75 . The piston was pushed down to change the volume to 1.00 . Calculate the final

24. ## Physics

What condition is necessary for the flow of heat? what analogous condition is necesary for the flow of charge?

25. ## science

A class is to perform an experiment to study the effects of various plant foods on a type of indoor plant.The teacher provides three similar plants,a water supply,and three different packets of plant food.Explain how you might conduct a controlled

26. ## HELP Physics

A 2 cm object is placed 36 cm from a screen. Where should a converging lens of focal length 8 cm be placed between them to form a clear image on the screen? What two possible magnifications could the image have?

27. ## Chemistry

Which of the following species is the strongest oxidizing agent under standard state conditions? a. Ag+(aq) b. H2(g) c. H+(aq) d. Cl2(g) e. Al3+(aq) An oxidizing agent is a substance that gains electrons in a redox chemical reaction. I think Al3+ has a

28. ## english

The similarities between both, Macbeth and Hitler are that they both desired power. Both of them were cruel in getting what they wanted. They were from a very low social class and rose to a very high social class. Both of them had a belief. For Macbeth it

29. ## Parametric curves and area

1.The curve of x=49-t^2 and y=t^3-1*t makes a loop which lies along the x-axis. What is the total area inside the loop? 2.Find the area of the region enclosed by the parametric equation: x=t^3-7*t and y=4*t^2.

30. ## Funky Lens Problem

img14.imageshack.us/my.php?image=funkylensproblem.tif

31. ## English

What club are you in? I am in the broadcasting club. the dance club teh music club the billiards club the speech club the balloon art club the cross-stitch clbu the archery club the Western-style archery the reading club ...... Could you name more clubs?

32. ## social studies

Why did Hawaiians and Asians living on the Hawaiian islands oppose annexation to the United States?

33. ## Science (atoms) 8th grade

Speeds up or slows down? By stirring a gas in a liquid, its solubility ____________ the dissolving process. High or low? A gas's solubility is is faster in a liqud when under __________. How do the methods of speeding the rate of solution for dissolving a

34. ## math word problem

While finding the amount of seed needed to plant his three square wheat fields, Hank observed that the side of one field was 1 kilometer longer than the side of the smallest field and that the side of the largest field was 3 kilometers longer than the

35. ## Vocab.

What does gonnegtion mean? It's not in my dictionary. Thanks for looking this up!

36. ## chemistry

I did an experiment where i put iron nail with zinc metal wrapped around it in agar solution. the solution turned pink. I have to find the anode: anode reaction: cathode (remember, a metal can be an inactive electrode): cathode reaction (there aren’t any

37. ## Algebra

I need help with a few problems (< means square root of, * means multiplication,^ means squared, and /means fraction) 1) (-

38. ## chemistry HELP DRBOB

Calculate the sodium ion concentration when 80.0 mL of 4.5 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate. how do i solve this I don't really know where to begin.. is there a formula for finding concentration because we don't learn this

39. ## Algebra

The interior angles of a regular polygon are all equal. What is the measure of each interior angle of an n-sided polygon? Thank you!

could you help explain unstressed syllables? Homework is to underline the unstressed syllable or syllables. Examples of words dozen, spinach. ext. thanks

41. ## Algebra

If a mole is equivalent to 6.02x10^23 molecules, and a liter of water has about 55.5 moles of H20, how do I find the amount of molecules this is? (btw--thanks David for answering my last question) But I don't think I quite understand this. (stupid doctor's

42. ## Finance

can you answer this? 1 . cost of trade credit abcdef corporation purchase merchandise for \$200,000, 2/10, n/30 required:1 . annual cost of trade credit 2 . trade annual cost of trade credit item is chaned to 1/15, n/20 2 . cost of bank loans abcdef corp,

43. ## math6

the lcm is 30 the gcf is 2 whats the pair of numbers for each set of conditions

44. ## English

1.My name is tom. You should find an incorrect expression and change it into the correct form. 't' should be changed into 'T'. We have to capitalize the first letter in a person's name. 2. You should write down the answers to the questions. 2-1. You should

45. ## Math

How do you write .79 as a fraction in simplest form?

46. ## French

Could you please check these thanks. 1. Après les cours, Michel et Chantal vont au-------. A. Café B. ensemble Answer: A 2. Ils trouvent-------- à la terrasse. A. une table libre B. une tartine Answer: A 3. Le serveur------ la carte à Chantal. A.

47. ## math word problem

A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and is heading towards the same crossing.

48. ## Edited questionSCIENCE

Speeds up or slows down? By stirring a gas in a liquid, its solubility ____________ the dissolving process. High or low? A gas's solubility is is faster in a liqud when under __________ pressure. How do the methods of speeding the rate of solution for

49. ## finding midpoint

the midpoint formula is x1 + x2 divided by 2, y1 + y2 divided by two. if the coordinates are x1: a, y1:b and x2: c, y2: 0, what is the midpoint? I have found the y coordinate of the midpoint to be b over 2. I found the x to be a-c over two. Is this

50. ## ALgerba 2

I would really appreciate help on these equations. 3. Devon tosses a horseshoe at a stake 30 feet away. The horseshoe lands no more than 3 feet from the stake. (a) Write an absolute value inequality that represents the range of distances that the horseshoe

51. ## AP Calc

Hi, I have few problems that I really need help solving. I think I start out right but get messed up along the way and get the wrong answer...Any help is appreciated! thank you so much! find derivative of: 1) y=arctan 2^x 2) arctan(xy)= 1+x^2y Also... 3)

52. ## English

1. My new friends are all great. 2. All my new friends are great. 2-2. All of my new friends are great. 3. My new friends all are great. 4. They all are great. 5. All of them are great. (Are they all grammatical? What is the part of speech of 'all' in

53. ## math

3x^2 + bx + 2 how do i find all the integer values for b so that the trinomial can be factored.

54. ## Algebra

What is the measure of each of the interior angles of these regular polygons? a) pentagon b) octagon c) dodecagon How would I figure this out?

55. ## Chemistry

Acids produce (positive or negative) ions in water and bases produce (positive or negative) ions in water. Thanks for helping with this.

56. ## human service

Various budget approaches play an important role in resource allocation in human service organizations. You are the administrator for an Orthopedic surgery practice you are preparing a budget matrix for MRI services. The matrix budget consists of

57. ## Romeo and Juliet Help!

I understand this question but can't find it so can you please help me. How does this speech about his love for Juliet compare to his speeches about being in love with Rosaline. (By the way the Juliet speech is found in Act 1 scene 5)

58. ## physics

how does a ticker timer work and how can a ticker timer be used to measure the displacement and velocity of a moving object in a mechanics practical?

59. ## biology test

study guide last one purpose of 3 types of RNA My answer 1. rRNA - bonds proteins and mRNA to provide the site of protein synthesis 2. tRNA - is used to pair their anticodons with the matching condons on the mRNA strand 3. mRNA - is to be the transcript of

60. ## science

LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface. Like temperature dew point also decreases with height because of decreasing pressure. Ew point drops at the "de Point Lapse Rate

61. ## physics

questoins asked in a physics lesson which i find hard to answer: 1) do all objects have the same acceleration when they fall to earth? explain the answer. 2) what is the difference between weight and mass? any help would be greatly appreciated :)

62. ## Physics

Nylon and Steel have exactly the same resistance to breaking under tension. Explain then why someone would use a steel cable instead of a nylon cable for lifting a heavy load.

63. ## Science

Speeds up or slows down? By stirring a gas in a liquid, its solubility ____________ the dissolving process. High or low? A gas's solubility is is faster in a liqud when under __________. How do the methods of speeding the rate of solution for dissolving a

64. ## english ressearch

how are rupert brooke and owen wilfred similar? I'm comparing their writings: The soldier and Dulce Et Decorum Est. I saw a lot of differences in their writings and the presentation of how they think of war, but how are they similar. i know that both wrote

65. ## calculus

Consider the function f(x) whose second derivative is f(x)=9x+6sin(x). If f(0)=4 and f(0)=3, what is f(x)? Please do not include the constant (+C) in your answer.

66. ## calculus

Evaluate the following sum: 10 E (–1)^n–1(1n^2–9n–3) n=4

67. ## MATH!!!

If the odds in favour of Neil beating Joe in a checker game are 5 to 4. What is the probability that Joe will win an upset victory in a best-of-five checker tournment?

68. ## English

Hi there, I am doing a presentation on Martin Luther King's March on Washington August 28th, 1963 and was wondering if you direct me to any useful links to information, videos and pictures.

69. ## Physics

What is the difference between an inelastic and an elastic collision? What does kinetic energy have to do with all of this? Give an explanation that explains the role of momentum, kinetic energy, and such in collisions. I think elastic collisions is when

70. ## ap calculus

Find the volume if the region enclosing y=1+ sqrerootof x, x=0, y=0, and x=9 is rotated about the x axis. I used the disk method and came up with the integral: pi integral (from 0-9) of (1+sqrerootx)^2 dx, but my answer was wrong.

71. ## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc.

72. ## Chemistry

How can Ammonia be a base since it lakes a hydroxide ion? thank you so much

73. ## Chemistry

Hi! I'm in chem class and I don't know the answer to these questions I have several metal alloys and have to tell their general elements that make them up for example bronze - copper and tin What is the elements that make up Pewter? Also I was woundering

74. ## ALGEBRA 2

would really appreciate help on these equations. 3. Devon tosses a horseshoe at a stake 30 feet away. The horseshoe lands no more than 3 feet from the stake. (a) Write an absolute value inequality that represents the range of distances that the horseshoe

75. ## stats

I wanted to know is this a sample or population. I want to solve for the standard deviation, but I am not sure what it is. Personally I think it is a sample.These are the numbers of wins for the 30 NBA teams for the 2004-2005 NBA season. 45 43 42 33 33 54

76. ## Child Care Environment

You're a teacher in an area day care center. Before your children arrive each morning, you set up several areas with a variety of hands-on activites. As each child arrives, he or she chooses an activity that interests him or her. What type of curriculum

77. ## English

What is the gerund phrase and does it act as a direct object, subject, or etc. in the following sentence: This means time spent working was wasted.

78. ## Study Tips

Any tips to help me study on a quiz [or any kind of tests] ? I have trouble getting all of the materials in my head. HELP?

If all requirments of a negotiable instrument have been met except delivery. can/should payment depend solely on delivery? If so/not why?

1)Bradley is buying ice cream cones. a double scoop cone cost x dollars. A single scoop costs \$0.50 less than a double csoop. A triple scoop cone costs twice as much a single scoop cone. Write an expression to represent the cost of 3 double scoop cones and

81. ## History

If you could give me some website were I can find. the strengths and weaknesses of the confederacy and how they contributed to the civil war's outcome?

82. ## Physics

I'm having problems with this: Compare the trajectory of a planet and a comet.

83. ## Maths-Algebra.

z - 4 = 11 __ 4 z= z=

84. ## Science

Where can I find a good place where there is alot of info on the northern hemisphere???

85. ## english

Concerning my past question, is "working" the only word in the gerund phrase and my teacher said that it "working" wasn't a DO. No one in my class could figure out the answer.

86. ## math

I need some help to see where I went wrong with this....pls help 2h^2-h-3=0 (2h-3)(h+1) = 0 2h^3+2h-3h-3h=0 2h^3-h-3=0 2h^2=3 h^2=3/2

87. ## English

Create a goal statement that deals with one specific change that you would like to make in your life with respect to health-related decisions

88. ## CRT205

Which of the following, if true, would best explain the material presented in the table?

89. ## calculus

how do you intergrate (sqrt(ln r))/r

90. ## sauce

a man deposits \$8000 in his bank account.if the bank pays 8% compoud intrest per annum,what will be his total intrest after 3 years

91. ## accounting

what information would be found in each of the following groupings on a classified balance sheet

92. ## solid mensuration

is what i've been doing correct so far: find the value of h for a spherical segment whose volume is equivalent to 159pi if the radii of the bases are 5m and 4m respectively v= (pi/6)(3a^2 + 3b^2 + h^2) h v= 0.52 ((3)(5^2) + (3)(4^2) + h^2) h = 0.52

93. ## Math

My class was awarded \$30.000.00 for winning a Spelling Bee competition and my classmates have agreed to use the money towards a class activity.Suggestions were: (a)An educational tour (b)A class party I am required to : (a) carry out a survey to determine

94. ## math

q times 11,minus the product of 6 and t

95. ## biology test

these are for my study guide - 1. what type of bonds hold the dna bases together and are they weak or strong My answer: hydrogen and weak

96. ## Latin

Is there anywhere where I can find tips to help study for latin?

97. ## language Arts

What couldn't women do in the 1800s?

98. ## math

how do I solve? sin (3ɵ + ð/18) = 1

99. ## Finding Images

I need help finding images of the following foods. Light almond milk custard Apple and pear Rennaisance pie Chicken with fennel Inside-out stuffed fresh sardines or Anchovies Crustless 'Seinese' tart Orange omelettes for Harlots and Ruffians Caramelized

100. ## CONSUMER MATH PERCENTAGES

WHAT IS THE PERCENTAGE OF \$7.30 IF IT USED TO BE \$6.50???

101. ## science

what is the relationship between a one-point increase in magnitude and the amount of energy released by an earthquake?

102. ## english

what movies, books, or tv shows are related to lord of the files?

103. ## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc.

104. ## physics

compare and contrast sound and electromagnetic waves in terms of types, speed, etc.

105. ## Chemistry

Okay, in this prolem i need to balence this equation. Even our teacher had problems with it, but he refuses to help anyone. PbCrO4 + HCL + FeSO4 ----> PbCl2 + Cr2 (SO4)3 + H2O + Fe2(SO4)3 please help me. this is the last problem on my homework. then im off

106. ## Math

How do I solve problems like the following? There area approximately 5.58x10^21 (scientific notation) atoms in a gram of silver. How many atoms are there in 3 kilograms of silver? Express your answer in sicientific notation. ANY hints/tips are EXTEMELY

108. ## Italian

In una liberia-cartoleria. Say who is buying the following things. Esempio: Io/ il libro di storia Io compro il libro di storia. 1. noi / un dizionario di sinonimi 2.tu / due quaderni per i compiti 3.Gina e Franca / la rivista (magazine) Espresso 4. Una

109. ## Science

Viruses can carry out all of the liffe processes?

110. ## Chem

Describe the 6 changes of state that substances might undergo in terms of appearance and energy transfer.

Subtracting a Fraction From 1 Joe Jumped robe for 3 minutes and 24 seconds. How many seconds is three minutes and 24 seconds. I can figure this out but have no clue how to turn it into a fraction subtraction problem...Can't remember. Thanks!

112. ## Studying

I need help studying since i have good grades but since i slack off they always end up a little lower than i want them to be plus i need to slacking off since next year is gonna get al,out harder but i cant use notecards because i prefer spirals

114. ## Anatomy

How do we perform complex actions that apparently require no thinking?

115. ## french

answer this question using a form of 'venir de': Vous avez lu une histoire à Marie-Claire? How's this: Oui, nous venons d'avoir lire une histoire à Marie-Claire. ..I'm not sure about the "avoir lire" part. should one of those verbs be conjugated??

116. ## math

how do i solve? sin2ɵ = cos ɵ and sin2ɵsinɵ=cosɵ

117. ## english

Are the following sentences correct, gramatically? If yes, is there any difference in meaning between them? 1. Teacher spoke to the concerned parents 2. Teacher spoke to the parents concerned

118. ## math (factoring quadratic trinomials)

i am doing factoring with quadratic trinomials, And I don't understand any of it! The problem im working on is 5p2-22p+8 I factored it out to be (5p2-20p)(40p2-2p) I am so stuck, can anyone help

119. ## Math

what is the full number of pie?

120. ## math

x^2-36=0 how do I find what x is?

121. ## math

x^3=4x solve for x I think i have to divid both sides by x giving x^3=4 but am not sure what I need to do next.

122. ## english

i need an 8 letter word with only the consonant N and it is used 4 times

123. ## Hearing Aids

I`ve looked at a lot of websites regarding how a hearing aid work but none of them told how the sound waves were involved in depth. Like what happens to the sound waves in the microphone, amplifier and speaker. Could someone explain this to me.

124. ## Physics

I am very confused about this problem: A ball hits a car going 50 miles per hour. What is the incident velocity of the ball to have v=0 after the impact?

125. ## math

what is the original number if something is on sale @ 10% off and the final price is 427.50

126. ## Romeo and Juliet Quick Question

Could you tell me in Act 1 Scene 5 what does Romeo compare Juliet to.

127. ## French

I forgot, what's the difference between de and du? how do you know which one to use?

128. ## Science

Specifically, where is the fault plane located at a normal fault? near the top? near the bottom?

129. ## Social Studies

What was the first battle from the war of 1812?

130. ## English

1. There is a seal mark on the piece of paper,for I pressed the seal on the piece of paper. 2. There is a seal on the piece of paper,for I pressed the seal on the piece of paper. (Which one is correct? Do I have to use seal or seal mark about the mark of

131. ## math6

list from least to greatest 7.3,6,7/8,2 2.4,-1.4,-3,4.7,3.8 2/5,1/10,.5,1.6,.42

loca

133. ## biology test

CAN YOU PLEASE HELP ME with a definition for my study guide of DNA polymerases. I have found many on the internet but not quite getting it.

134. ## math

(x-3)^2+(x+2)^2=17 How do I solve for x?

135. ## french

how would you say "a round-trip ticket" in french? i know ticket is "billet"...

136. ## math

I've tried these problems many times but none of my answers seem correct...can someone help? 2cos^2ɵ + cosɵ - 1= 0 and (cotɵ)(cscɵ - 1/2) = 0

137. ## math

what is the answer to the fraction 6/8 when you simplify it