# Questions Asked onOctober 28, 2009

1. ## chemistry

Calculate the delta H for the reaction N2H4(l)+ O2(g) --> N2(g) + 2H20(l) Given the following data: 2NH3(g) + 3N20(g) --> 4N2(g) + 3H20(l) N20(g) + 3H2(g) --> N2H4(l) + H20(l) 2NH3(g) + 1/2O2(g) --> N2H4(l) + H20(l) H2(g) + 1/2O2(g) --> H20(l)

2. ## Physics

A 1500kg car skids to a halt on a wet road where μk= 0.53. How fast was the car traveling if it leaves 62-m-long skid marks?

3. ## physics

Suppose a 65-kg boy and a 45-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration of the girl toward the boy is 3.0 m/s2, find the magnitude of the acceleration of the boy toward the girl.

4. ## Literature

I have to write a book review on a captivity story that I've read. The instructions are: 'Choose a captivity story you know or have read, and share your findings about it in the form of a book review. Summarize the reason for the captivity, the main events

5. ## Physics

14. Which of the following wavelengths will produce standing waves on a string that is 3.5 m long? a. 1.75 m b. 3.5 m c. 5.0 m d. 7.0 m

6. ## physics

the speed of the fastest pitched baseball was 45 m/s, and the ball's mass was 145 g. (a) What was the magnitude of the momentum of this ball, and how many joules of kinetic energy did it have? (b) How fast would a 57 gram ball have to travel to have the

7. ## physics

William Tell shoots an apple from his son's head.The speed of the 125-g arrow just before it strikes the apple is 25.0m/s, and the time of impact it is travelling horizontally.If the arrow strikes in the apple and the Arrow/Apple combination strikes 8.50m

8. ## Physics-circular force

A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31 rpm is reached, at which point the coin slides off. What is

9. ## college

Assume you are performing the calibration step of Experiment 8 and you begin with 80 g of water at 20 oC and 80 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

10. ## general chemistry

How many grams of Sulfur are there in 6.0 grams of Fe2(SO4)3

11. ## physics

Two frisky grasshoppers collide in midair at the top of their respective trajectories and grab onto each other, holding tight thereafter. One is a robust 250 g beast initially moving south at 20.0 cm/s, while the other is a svelte 150 g creature initially

12. ## chemistry

Assume you are performing the calibration step of Experiment 8 and you begin with 80 g of water at 20 oC and 80 g of water at 80 oC. After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment,

13. ## Physics

A uniform beam of weight 520 N and length 3.4 m is suspended horizontally. On the left it is hinged to a wall; on the right is it supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1200 N.

14. ## Programming

Here is the source code for the Kitty class: public class Kitty { String name; int age; public Kitty(){ } public void setName(String n){ name = n; } public String getName(){ return name; } public void setAge(int a){ age = a; } public int getAge(){ return

15. ## physics

An air hockey table works by pumping air through thousands of tiny holes in a table to support light pucks. this allows the pucks to move around on cushions of air with very little resistance. one of these pucks has a mass of 0.25 kg and is pushed along by

16. ## English

1. I have a friend who goes biking many times. 2. I have a friend who goes hunting every weekend. 3. I have a friend who got the first prize in the speech contest. 4. I have a friend who is the first in grades his class. 5. I have a friend who is very good

17. ## college physics

two people are wearing harnesses and are hanging from the ceiling by means of ropes. they are face to face and push off eachother. person 1 has a mass of 100kg and person 2 a mass of 80 kg. after the push person 1 swings in an arc that causes hime to rise

18. ## Physics

A pilot of mass 65 kg in a jet aircraft makes a complete vertical circle in mid-air. The vertical circle has a radius of 1.70 km at a constant speed of 215 m/s. Determine the force of the seat on the pilot at (a) the bottom of the loop and (b) the top of

19. ## Physics

A uniform beam of weight 520 N and length 3.4 m is suspended horizontally. On the left it is hinged to a wall; on the right is it supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1200 N.

20. ## physics

A regulation 145 g baseball can be hit at speeds of 100 mph. If a line drive is hit essentially horizontally at this speed and is caught by a 65 kg player who has leapt directly upward into the air, what horizontal speed (in cm/s) does he acquire by

Sue Thank you I understand how to do those problems. I have one last question: Is this true or false: If the scale factor between two similar shapes is 1, the the two shapes are the same size. (Note If two similar figures have a scale factor of 1, they are

The price of a sweater is \$5 less than teice the price of a shirt. if four sweaters and three shirts cost \$200, find the price of each shirt and each sweater.

23. ## physics

Calculate in newtons weight of 2.5kg melon. and what is it's weight in pounds?

24. ## chemistry

the percentages of carbon,hydrogen and oxygen in vitamin c were determined by burning a sample weighing 2.00mg,the masses of carbondioxide and water formed are 3.00mg and 0.81mg respectively.from these information,find the percentage of each element and

25. ## physics

an apple weighs about 1N. what is its mass in kilograms ? what is its weight in pounds?

A rectangular kitchen table is three times as long as it is wide.If it were 3 m shorter and 3 m wider it would be a square.What are the demensions of the rectangular table?

27. ## Calculus

The measurement of one side of a right triangle is found to be 9.5 inches, and the angle opposite that side is 26°45' with a possible error of 1.5'. Approximate the percent error in computing the area of the triangle.

28. ## To Ms. Sue

THE FRENCH REVOLUTION Before the French Revolution France had a system of government and society which was called the OLD REGIME. In the 1780's France was experiencing many economic difficulties. LOUIS XVI called a meeting of the NATIONAL ASSEMBLY in order

Suppose you copy a figure on a copier using the given size factor. Find the scale factor from the original figure to the copy in decimal form. a] 200% b] 150% c] 75%

When you write 2,500 in expanded form, how many addends do you have? 2,000+ 500+0+0 ??

31. ## Physics

What is the terminal speed for an 84.0kg skier going down a 37.0degree snow-covered slope on wooden skis μk= 0.060? Assume that the skier is 1.80m tall and 0.300m wide.

32. ## physic

please help me.A 5.00 g object moving to the right at +20.0 cm/s makes an elastic head-on collision with a 10.0 g object that is initially at rest. (a) Find the velocity of each object after the collision. 5.00 g object 10.0 g objectt (b) Find the

33. ## Vector & Geometry

Determine the vector having initial point P(x¡,y¡,z¡) and the terminal point Q(x¡¡,y¡¡,z¡¡) and find its magnitude.

34. ## organic chemistry

What will happen to the Rf values of the pigments if you were to increase the relative concentration of acetone in the developing solvent

35. ## Physics

A loaded penguin sled weighing 60 N rests on a plane inclined at 20° to the horizontal. Between the sled and the plane the coefficient of static friction is 0.25, and the coefficient of kinetic friction is 0.18. (a) What is the minimum magnitude of the

36. ## english

what is the prefix for dismayed.

37. ## science

John loads a collapsed inflatable boat into a two wheel "grocery type" handcart and wheels it down to the lake. While the cart is being wheeled it is tipped at about a 45-degree angle (in other words, about halfway between horizontal and vertical). John

38. ## Physics

Batman (mass = 95 kg) jumps straight down from a bridge into a boat (mass = 560 kg) in which a criminal is fleeing. The velocity of the boat is initially +10 m/s. What is the velocity of the boat after Batman lands in it?

39. ## math

A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it. Write and solve an equation to find how many inches the sunflower grew.

The game of Yahtzee is played with five fair six-sided dice. A turn consists of rolling all five dice, selecting the ones you want to keep, re-rolling the rest, and then doing this one more time, if necessary. You need to match certain conditions in order

42. ## Socials

French Revolution Before the French Revolution France had a system of government and society which was called the Old Regime. In the 1780's France was experiencing many economic difficulties. Louis XVI called a meeting of the National Assembly in order to

43. ## Civics

Why are the Supreme Court procedures so rigid?

44. ## chemistry

problem 2. a sample of calcium chloride weighs 1.64g. it is dissolved in water and silver nitrate solution added.a precipitate of silver chloride weighing 4.24g was formed.determine the percentage composition of each element. the simple formular of calcium

45. ## Physics

A police officer in hot pursuit drives her car through a circular turn of radius 320 m with a constant speed of 74.5 km/h. Her mass is 55.0 kg. (a) What is the magnitude of the net force of the officer on the car seat? ______N (b) What is the angle

46. ## chemistry

how many totsl moles of ions are released when 0.83 mol of K3PO4 dissolves in water?

47. ## math

on my worksheet "books never written" AND i have to do multiplication by 2 digit factor and i need help solving the names of the authors please don't tell me This makes no sense to me. also, you need a middle school worksheet that says MIDDLE SCHOOL MATH

48. ## chemistry

problem 3. A compound Y containing carbon,hydrogen and oxygen was burned in a stream of oxygen,the carbondioxide and water were cooled in a pre way absorption tube and carefully reweighed.Readings obtained were initial mass of Y is 20.63mg mass of

49. ## chem engineering

Mass balance on an intravenous injection (IV) bag A nurse sets up an IV drip for a patient consisting of normal saline; assume that this is an aqueous solution containing 150mM salt. The saline drip is supplemented with an antibiotic solution; assume that

50. ## Math

Pamela and David walk on the same track. It tqkes Pamela 9 minutes and David 6 minutes to walk one lap.If they start walking at the same time, how many laps will each have walked when they cross the starting point together for the first time?

51. ## Physics

A roller-coaster car has a mass of 1170 kg when fully loaded with passengers. As the car passes over the top of a circular hill of radius 16 m, its speed is not changing. (a) What are the magnitude and direction of the force of the track on the car at the

52. ## Stats Anyone?

The first-year retention rate is the percentage of entering freshman at a given college !@#\$%^&turn to that same college for their sophomore year. Many colleges use the first-year retention rate as one measure of their quality. Suppose that the first-year

53. ## Chemistry II

A solution contains the following: NH3(aq) + H2O(l) NH4+(aq) + OH-(aq) Adding NH4Cl to this solution shifts the equilibrium of the given reaction to the left. What kind of reaction is this?

54. ## brain!!

What is the funtion of hipocampus? what is oxytocin n where it comes from? i am having a little confusion in those please help!

55. ## Physics-circular force

A child on a merry-go-round is moving with a speed of 1.40 m/s when 1.18 m from the center of the merry-go-round. (a) Calculate the centripetal acceleration of the child. (and I got 1.08) (b) Calculate the net horizontal force exerted on the child (mass =

56. ## Math

The average rainfall for 6 months was 28.5 mm.If it had rained 1 mm more eache month what would the average have been?By how much would the total have been increased in six months and by how much would average have been increased per month.

57. ## Biochemistry

explain why a strong acid or base can denature an enzyme explain how varying pH influenced the rate of the catalase reactions and explain why. explain the influence of temperature in excess of 50 degrees C on the influence of most enzyme controlled

58. ## physics

What is the horizontal velocity of the pencil? the ? is you are standing in the aisle of a bus that travels along a straight road at 100km/h, and you hold a pencil still above your head. then relative to the bus,the velocity of the pencil is km/h and

59. ## math

The two cereal boxes shown have corresponding edges in a ratio of 2 : 3. If the smaller box sells for \$2.50 and the larger box for \$4.00, which is the better buy? Why? What assumption(s) do you have to make when solving the problem? Estimate, then check.

60. ## Chemistry

What type of chemical reation is : Na + H2O---) NaOH + H2? The 2s are subscripts but I couldn't get it to type that way.

61. ## Chemistry

What are some different ways two water molecules could be positioned so that they stick together?

62. ## SCIENCE

WHICH PROCESS PRODUCES MOST OXYGEN IN ATMOSPHERE PHOTOSYNTHESISI OR TRANSPIRATION WHICH GAS DOES PHOTOSYNTHESISI PRODUCE OXYGEN OR CARBON DIOXIDE GRAS--GRASSHOPPER-SNAKE-HAWK IF APART OF A FOOD WEB WOULD MORE MORE ARROWS POINT TOWARD OR AWAY FOR THE SECOND

63. ## english

In today's world, who or what might be our Grendel, our monster? from the story Beowulf

64. ## physics

A force is given by Fx=Ax^-3, where A=8.0 N*m^3.(a) For positive values of x,does the potential energy associated with this force increase or decrease with increasing x?(You can determine the answer to this question by imagining what happens to a particle

If a woman hasa mass of 50 kg calculate her weight in neutons

66. ## Physics

A diver of weight 730 N stands at the end of a diving board of length L = 5 m and negligible mass. The board is fixed to two pedestals separated by distance d = 1.5 m. What are the magnitude and direction of the force on the board from the left pedestal?

67. ## Mass Communication Studies

Consider the issue and implications of intentional news media bias. Why are large segments of the American news media audience either unable or unwilling to be better critical media consumers? Is it OK for Fox News network to do what it does – even while

68. ## socieconomics

Methods of maintaining peace & unity in bi-national multinational and multiethnic states?

69. ## spanish II

Write the correct form of "tener." 13. (yo) ____ dos casas. 14. (él) ______mucho dinero. 15. (ella)_____ poco dinero. 16. (Uds.) ______ mis zapatos.

70. ## physics 1

need wieght in lb.s an apple weighs 1N mass in kilograms give weight in lb.s

71. ## math

The average rainfall for 6 months was 28.5 mm.If it had rained 1 mm more eache month what would the average have been?By how much would the total have been increased in six months and by how much would average have been increased per month.

72. ## English

Hello! I don't want to ask for help with my homework, aI have some more serious problem.... next year I will go to collage, i will graduate in May. I really want to study law in Vienna, but I only found Uni Wien....does somebody know any other university,

73. ## Trigonometry

prove:(cscx-cotx)^4 x (cscx+cotx)^4 = 1

74. ## English

I have pictures of national flags of six countries. Which national flag is French natonal flag? Which country's national flag is this picture? Which national flag is related to French? Which national flag is French's. I want you to find Chinese national

75. ## English

I need an aliiteration that has to do with a custardand an elephnt ear. I don' wnt the wole thing, just a few words to get me started. :) Thanks.

76. ## Biology

How well would a plant grow under pure yellow light? Explain. Really had no ideas on this... Thank You.

77. ## chemistry

What four guidelines are useful in balancing an equation

78. ## math

Consider the following method of estimating Fahrenheit temperatures given Celsius temperatures (which was stated earlier in this section): To estimate the Fahrenheit temperature for a given Celsius temperature, double the Celsius temperature and add 30.

79. ## trig

lx - 2l - lx + 2l > x The absolute value of x - 2 minus the absolute value of x + 2 greater than x. What is the Answer Please Help!

81. ## algebra

3b-13+4b=7b+1

82. ## physics

in the cabin of a jetliner that cruises at a sped of 600/km/h, a opillow drops from an overhead rack. since the liner is moving so fast why doesn't the pillow slam into the omoartment when it falls?what is the horizontal speed of the pilow relative to the

83. ## chemistry

How are most decomposition reactions initiated

84. ## chemistry

why mixture of Nano2 and NH4Cl are taken in aqueous form?

85. ## marine science

how does the earth redistribute the uneven amount of solar energy received by earths surface

86. ## Communication Studies

Consider the issue and implications of intentional news media bias. Why are large segments of the American news media audience either unable or unwilling to be better critical media consumers?

87. ## criminal law

1 Constitutional law The law as expressed in the U.S. Constitution and the various state constitutions. The U.S. Constitution is the supreme law of the land. State constitutions are supreme within state borders to the extent that they do not violate the

88. ## Literature

I have to write a book review on a captivity story that I've read. The instructions are: 'Choose a captivity story you know or have read, and share your findings about it in the form of a book review. Summarize the reason for the captivity, the main events

89. ## Chemistry

Hi Dr. Bob, this is a chemistry question. I don't know how to go about solving this problem: What is the pH of the solution created by combining 11.40 mL of the 0.10 M NaOH(aq)with 8.00 mL of the 0.10 M HC2H3O2(aq)? Here's what I have so far: (0.10M

90. ## English

1. Because she will come here, I will meet her. 2. Because she comes here, I will meet her. 3. As she will come here, I will meet her. 4. As she comes here, I will meet her. (Which one is grammatical?)

For my IB project, I need five people who live outside the United States to answer three questions about business in their country. The questions are: 1) What do you think is the most difficult challenge for U.S. businesses that want to do business in your

92. ## Literature

'Du Maurier, who wrote the short story The Birds, tells us that the birds are trying to destroy human life, but we never know what is making them do it. Is it really the weather, as some characters in the story think? Is it an evil force? Suppose you're a

93. ## Physics

A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 6.1 m/s. (a) What is the period of the motion? __________s (b) What is the magnitude of the normal force on the addict from the

94. ## Marketing

the 3M Post-it Highlighter case presents a number of issues in marketing. How did 3M's David Windorski get ideas from college students to help him in designing the final commercial version of the Post-it Flag Highlighter?

95. ## Social Studies

I have to define the word Kinship, come up with a couple synonyms, use it in a sentence, and then draw a picture to resemble it. For the definition I got: the relationship amoung family members For the synonyms I got: bond, family, relation I need help

96. ## Physics 11

Mark Ji shoots a 40gram arrow straight up in the air at 30m/s during a home archery training session a. assuming no air resistance, what is the maximum height that the arrow could reach? b. How fast is the arrow going when it hits the ceilings at a height

97. ## Math

solve by graphing: x+y=1 2x+y=0 I know that the answer is (-1,2)and i know how to mark the spot but can you explain how to draw the lines because i cant figure out the directions it goes in.

98. ## English

1. He is helping an old man get on the bus. 2. He is helping an old man get onto the bus. (Which preposition do I have to use? are both OK?) 3. Look at the picture. He is trembling because of cold. It is winter. It is windy as well. Look at the bare

99. ## Math Trig

At what two points on the unit circle is the x-coordinate equal to the y-coordinate? Hint:Use the equation for the unit circle (x^2+y^2=1) but this time, replace y with x.

100. ## English

1. Today we eat foods/food which come from all over the world. (Do we have to use 'food' or 'foods'? Are both OK? When do we use 'foods'? 2. I like healthy food. 3. I like health food. 4. I like healthy foods. 5. I like health foods. (Which ones are

101. ## Physics

The two blocks (m = 37 kg and M = 109 kg) in the figure below are not attached to each other. The coefficient of static friction between the blocks is µs = 0.55, but the surface beneath the larger block is frictionless. What is the minimum magnitude of

102. ## to kill a mockingbird

I'm reviewing for my test about the novel "To Kill a Mockingbird". There's this question I can't answer: 1. What are the generalizations (like stereotyping) made about black people? Who makes them? And how are black people affected by it? The same question

103. ## Chemistry

Based on pressure values for each component of the reaction, what is the value of the reaction quotient, Q? Equation: C2H2 + 2 H2 -> C2H6 C2H2 has a pressure of 5.05 atm H2 has a pressure of 4.35 atm C2H6 has a pressure of 0.0225 atm

104. ## classroom management

Why is building student-teacher rapport critical to establishing and maintaining a productive classroom environment? How does communication with students impact successful implementation of classroom rules and procedures? What communication skills and

105. ## middle school math

o on my worksheet "books never written" AND i have to do multiplication by 2 digit factor and i need help solving the names of the authors

106. ## chemistry

what is meant by the term coefficient in relation to chemical equation

107. ## science

How would i set these up? like what is the equations? # A tennis player hits a tennis ball with a force of 330 N, and it accelerates at the rate of 5,500 m/s2. What is the mass of the tennis ball? # Li is pedaling his bike with a force of 220 N. The

108. ## science

Arrange the amount of momentum of these objects from the most momentum to the least momentum. When placing the objects in the correct order, record the value of their momentum. 1. A 0.4 kg baseball thrown by a major league pitcher at 120 m/s. 48kg*m/s 2. A

109. ## math

In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell (in mm). 2) The

110. ## Algebra

I had to solve the function g of f where f is x^2+1 and g is sq. root of x. I wrote this out as the sq. root of x^2+1. The ^2 and the sq. root canceled each other out, so I was left with x + sq. root of 1. But my book got sq. root of x^2+1. Was the further

111. ## STATISTICS

A study has shown that among people without any preschool education, 32% were employed at age 19. If 100 people without preschool education are selected, find the probability that 40 or fewer are employed.

112. ## math

what is 10.5 divided by 1,000 and can u show the work

113. ## Math

Explain how a child who has not yet developed base-ten concepts understands quantities as large as say 85. Contrast this with a child who understands these same quantities in terms of base-ten groupings.

given E, = l^2 h^2 / 2 m r^2 calculate energies for an electron localised to a circle of radius 2 x 10^-9 m for l = 0,1,2, draw pictures of three levels and calculate the relative populations of these levels at 300K i did the first bit but came out with,

115. ## social studies

What are two more names for a market economy? I only have free enterprise.

116. ## ps 13

how to find the Landmark in a set of numbers

117. ## chemistry

What was Bohr's theory of behavior of the electron?

118. ## History

I have to know,every time i search this question it only tells me where he went. Why did Christopher Columbus go on voyages?

119. ## Math 116

How do you write an inequality for this problem. You have a budget of \$2.500.00 and you want to buy 30 tons of rock for \$60.00 per ton. You also want to plant trees for \$84.00 per tree. Write an inequality that illustrates this problem and solve the

120. ## English

1. Meeting her, I will be very glad. 2. When I meet her, I will be very glad. 3. If I meet her, I will be very glad. 4. As I meet her, I will be very glad. 5. As I will meet her, I will be very glad. (Are they all the same? Which one is correct, #4 or #5?)

What are the American Government system's strengths and weaknesses?

122. ## Programming Language

Create a method called countSelected, which takes an array of integers and an integer as input parameters and returns the number of occurences of the integer in the array. Example: data:{2, 1, 1, 8, 1, 0} select:1 ==> 3 public int countSelected (int[]

123. ## math

it is less than 60 and greater than 55. if you add the digits, the sum is 13. write the number

124. ## Geography

24. The South African government changed its policy of apartheid in 1990 and 1991 because of a. the policy's failure to eliminate racial discrimination b. promises of economic aid from major industrial nations c. international sanctions and an increase in

125. ## social studies

why was rome able to take over most of the land surrounding the mediterranean sea?? PLEASE HELP!!!

126. ## Grammar

Complete the following sentences using the articles a, an, and the. A beautiful stone formation found in some limestone caves is _____ stalactite. Most stalactites are formed by water dripping in _____ cave.

127. ## chemistry

what is the volume of 0.)250 MgCl2 should be diluted to 250 mL to obtain a solution with {Cl-} = 0.0135

128. ## To Ms. Sue

However during the ESTATES GENERAL the 3RD ESTATE with some help from other PEOPLE declared a new government which they called the NATIONAL ASSEMBLY. I changed Estates to people. Does the rest of this make sense?

129. ## crt 205

In the future how will critical thinking influence the ways that you: a) Read? b) Write? C.) Process Information? II. Why and how could you apply critical thinking when evaluating each of the following: a) Articles? b) Advertising? c) Media?

130. ## physics

If jon has a weight of 645N what is his mass? I have to do this using the GUESS METHOD

131. ## genetics

What would happen during DNA replication if there were no thymine nucleotides available?

132. ## geometry

If you were buying nuts, would you rather pay \$9/kg or \$4/500g?

133. ## spanish

What does Es la una en punto mean?

what are the 3 names for measuring triangles by side length? what are the 3 names for measuring triangles by the angle size? thank you website reference would be great :)

135. ## CT. 205

Please Help Identify the fallacy and explain Why fallacy fit that category . Would Someone Check My Answers to the following ( 4 ) passages . Assignment is past due ! I am having serious trouble on this assignment . 1 . Letter to the editor : “ Andrea

136. ## environment

Why is building student-teacher rapport critical to establishing and maintaining a productive classroom environment? How does communication with students impact successful implementation of classroom rules and procedures? What communication skills and

137. ## math

it is less than 60 and greater than 55. if you add the digits, the sume is 13. write the answer

138. ## Literature

'Du Maurier, who wrote the short story The Birds, tells us that the birds are trying to destroy human life, but we never know what is making them do it. Is it really the weather, as some characters in the story think? Is it an evil force? Suppose you're a

139. ## Biology

Sorry, I have one more question... what can be concluded about effects of RpoS and OxyR on KatE expression? I've looked online but I've only found experiments which I do not understand. Could someone please clarify? Thanks!!!

140. ## Literature

In reply to my past post-- On the third of December on the Cornish coast of England many years ago, the weather changed overnight from a mild autumn to a cold, harsh winter. Nat Hocken, a worker at a farm noticed that the birds appear more restless than

141. ## English

1 Constitutional law The law as expressed in the U.S. Constitution and the various state constitutions. The U.S. Constitution is the supreme law of the land. State constitutions are supreme within state borders to the extent that they do not violate the

How do you write each fraction as a decimal and as a percent? How do you get the answer? a] 2/5 b] 3/4

143. ## last one! science!

A typical high school lab activity involves building a model rocket with a small canister, antacid, and water. The water and antacid are combined in the canister, which is then tightly closed and turned upside down. The reaction of these materials in the

144. ## Algebra I

Factor each polynomial: 2wcubed + 6wsquared - 4w I got...2w(2wsquared - 2)

145. ## math

ethan wrote a new song,The first time he wrote it,it had two verses,the second time 4 verses,the last time 6 verses.How many verses will he sing if he sings the song 8 times?look for a pattern and solve the problem

146. ## English

1. Where is there a candy striper? 2. Where can we see a candy striper? 3. Where is a candy striper from? 4. Where does a candy striper live? 5. What does a candy striper wear? 6. What clothes does a candy striper wear? 7. What kind of clothing does a

147. ## social studies

Would you please show me a website that shows an actual answer to a dbq? I would like to see a model answer. I am in eigth grade. Thank you.

148. ## biology

In D. virilise, the mutations dusky body (dy), cut wings (ct) and white eyes (w) are all recessive alleles located on at different places on the x chromosome. Females heterozygous for all three mutations were crossed to dy ct w males, and the following

149. ## MATH/SCIENCE

Llyn y Gweision (a Welsh lake) has a surface area of 10 km2. It is fed by two rivers: the Afon Chwefru and the Nant Aeron. The Chwefru(Ich) has a catchment area of 1250 km2. The Aeron(Iae) has a catchment area of 2.400 * 106 ha. The outflow stream, the

150. ## math

0.02 round to the nearest hundreth

151. ## algebra

7n+6=4n-9

Please Help Me. I'm doing a Science Fair Project, and I need help with finding simmilar experiments to mine. My experiment is: Which saliva is cleaner: Cat, Dog, or Human???

153. ## American National Government

Can someone help me with these two questions? What are the Constitutional powers given to the House of Representatives? My answer is: 1. Revenue- raising bills must orginate. 2. Has the sole power of impeachment. 3. Elect president in electoral college

154. ## college

Can inductive reasoning and deductive reasoning make a comelling argument by themselves?

155. ## math

find the product-25x(-6)=

156. ## Please CHeck my French

Chère Mme Guerit J'ai mal à la gorge. Je ne mange rien. J'ai une mauvaise mine et je suis fatiguée aussi. Je dois prendre un médicament. Dois-je appeler un docteur? Qu'est-ce que je dois faire pour avoir une bonne mine?

158. ## ecology

What is an example of biotic to biotic relationship, abiotic to abiotic relationship, and abiotic to biotic relationship?

how can i subtract and fid the diference on 1500 - 1132 can you show me

160. ## math

"If you were buying nuts, would you rather pay \$9/kg or \$4/500 g?Explain."

161. ## college Accounting

How do you determine the dividends per share for preferred stock and commom stock for each year?

162. ## chemistry

what are electrostatic forces

163. ## math

how do i figure out 4 root 3

164. ## Biology

How do you test the effect of RpoS on oxyR expression? I cannot find information on this topic anywhere... please help me out! Thanks you!

165. ## science

# a quarterback throwing the football unbalanced # a pickup truck cruising at a constant velocity balanced # two teams in a tug of war at a standstill balanced # a math book sitting on top of a table balanced # Reese and Li moving Catalina's amplifier a

166. ## Civics

I need help with one more question. Identify factors that affect how the Supreme Court shapes public policy, and name major cases that illustrate each factor.

what is the shrinking patterns?

168. ## Beowulf poem

1. The poem describes when Grendel’s “hatred began,” but it doesn’t tell us why. Why do Grendel began to hate Hrothgar and his people enough to kill them?

169. ## Alegebra I

write each answer in descending order (binomials) (2x+3) - (x-4) + (x+2) i got ... 2x+1

170. ## English

1. Lisa thinks people will be happy in the future. They will have more food and longer holidays. They can also travel to the space. However, Tommy thinks people will be sad in the future. They will suffer from hunger, air pollution and water pollution. 2.

171. ## Chemistry

Give the symbol for each, and the units: 1.What is the mean kintetic energy of all particles in a sample of matter? 2.What is the amount of thermal energy that flows between two or more bodies of different temperatures?

172. ## English Comp

Do I need to capitalize: Initiated and implemented the Stress Echo program. I performed Echocardiogram at this site.

173. ## Vector & Geometry

Prove that the projection of A on B is equal to A.b

174. ## math

Which pair of equations share a solution? Answer: 5x+2=32 4x+9=5(14-x)-7 -I know the answer but I have absolutely no idea how to get it help please!

What influence did Anne Frank have on the community,the country,or the world?

176. ## science

what do you call a 3D triangular shape that bends light when it passes through

177. ## 5th grade - Social Studies

What method of communication was used in the late 1800's?

178. ## English

What is the definition of lowing in the context of the book "Animal Farm?" thanks:)

179. ## To E.G :-)

Just wanted to say thanks 4 ur help.

180. ## To Ms. Sue

Ms. Sue can you please have a moment to look at my previous post.

181. ## science

the _____ equator is at the 0 degrees latitude. the _______ equator is an imaginary line marking the tempeture equilibrium between the hemispheres

earths diameter is approxametly 8000mi at th equator.how fast is the earth spinning?

5-3(w+4)=w-7

184. ## French

Is this correct? Nous avons besoin d'preillers pour faire un château-fort. Alles à la cuisine. We need pillows to build a castle/fort Oui, je trouverai les oreillers. Is it pronounced as or-ray-lay? Merci beaucoup!

185. ## Geometry

If a/4=b/7, then a/b=?

186. ## geometry

2m 300mm = ____ cm

187. ## english

Recognition of incongruity (difference) between what is seen and what is accepted. ~inference or irony

188. ## science

how much force is needed to move a 10000kg airplane at 12.0 m/s

189. ## english

What are the adjectives in each of the following: 1. A quarter will not buy very much. 2. Do you need any food for the party?

190. ## math

i cant seem to get the answer that the teacher gave us which is 5y^2-11y The problem is simplify: 2y^2-y[3-2(y-4)-y] how did he get that answer?

what is the sum of the numbers 1 to 1000? ans:500500

192. ## Philosophy

Can deductive and inductive reasoning make compelling arguments by themselves

193. ## Mass Communication Studies

Are the people at Fox News so good at what they do that they are destined to permanently damage American journalism?

194. ## math

could you solve this equation 37-4+8n=57

195. ## Technology

ok..so i have these labs in technology. and i'm on the first one. here's how it goes: ACTIVITY 1A-DESIGN PROBLEM Background: Technology is the application of knowledge to create machines, materials, or systems to help us make work esasiers, to make life

196. ## math

Find an algebraic model for the sum of a number and its reciprocal. I have come up with y=x+ (1/x), although I was wondering if it would be correct to write it as y=x^2+1/x I am supposed to graph this, but when i graph both I get different graphs on my

197. ## math

how to do what's my rule?

7x=5+5x

199. ## social studies

how does a person gain a presidency?

In the book "Owls in the Family" written by Farley Mowart The boys carried the owl home in the ______.

201. ## English

1. Where do Tom's friends usually volunteer at? - At libraries or town halls. 2. Where do Tom's friends usually volunteer? - At libraries or town halls. (Which question is right? Do we have to use 'at' or not?)

202. ## math dividing

how do i divide stuff like this 1.06 Divided 0.06

203. ## ss

what contributed to the decline of the Shang???????

asked by i really need help!! PLZ!!!
204. ## Math

How would I write this as a function of y=x^3 Reflected in the y axis, horizontally stretched by a factor of 7, vertically translated 19 units down. Would this be correct? g(x)= (-1/7(x-1))^3-19

205. ## Math

multiply: (a-2)(2a-3)(a+7) how do you do this problem?

206. ## ct.

Can someone check my answers to these (5) fallacy to see if I have matched them correctly . Thanks ! 1. On a radio ad : "Have you been fatigued , irritable , moody ? If these symptoms are ignored ,you might become depressed or even suicidal ! Ward off the

207. ## science

what is the word for the straight light travels in?

208. ## math

27.671 round to the nearest hundreths

209. ## essay writing

where will you find the thesis in an introductury paragraph?

210. ## math

what is 25.5 divuded by 1,000 can you show the work