# Questions Asked onDecember 1, 2008

1. ## Physics

A 0.145-kg ball, moving in the positive direction at 13 m/s, is acted on by the impulse. What is the ball's speed at 4.0 seconds?

2. ## Algebra help

If loga 8=2.079, loga 5=1.609, and loga 3=1.099, find the following? 19.) loga 8/3 is this 1.89? 20.) loga 24 Not sure 21.) loga 25 not sure how to do this

3. ## Chemistry

Which value represents the first ionization energy of a nonmetal? 497.9kJ, 577.4kJ, 811.7kJ, or 1000.kJ ? I think the answer is 1000. kJ, since it is the highest amount. Am I correct? My reasoning is that nonmetals have higher ionization energies than

4. ## math

logarithms? log (base 9) x+3 log (base 3) x=14

5. ## Physics

A doubly charged helium atom (mass = 6.68 x 10-27 kg) is accelerated through a potential difference of 3.00x 103 V. What will be the radius of curvature of the path of the atom if it is in a uniform 0.410 T magnetic field?

6. ## Physics

Four long, straight wires are parallel to each other and their cross-section forms a square. Each side of the square measures 0.0112 m. If each wire carries a currrent of 8.33 A in the direction shown, find the magnitude of the total magnetic field at P,

7. ## Anna

At 9:00 Mary Thorne set out from her house for a picnic, traveling at 15 km/h on her bike. her sister lifet 15 min later and traveled at the speed of 30 km/h. If both her sisters arrived at the picnic area at the same time, how far did each travel? How

8. ## math

what would \$48.50 be rounded to the nearest tenth?

9. ## Physics

I need help with solving these word problems. Marion rides her racing bicycle @ speed of 8 m/s. Bicycle wheels have a radius of 34 cm. What is the angular speed of wheels? How many times does each wheel go around during a 10-min race? A car tire has radius

10. ## EXAM TMRW

Calculate the energy in kJ/mol of light with a wavelength of 360 nm. 9.17 * 10^-43 J/mol Oxygen gas at 34.5 °C expands from 34.5 L to 45.7 L against a constant pressure of 750 mmHg. What is the work done in joules by the system? 1.13*10^3 J

11. ## English

ok please tell me what you think of this and tell me what i could fix of it and how should i write the conclusion Many proud moments can happen in people lifes. Some of them mean more to them than others. Others are just might not be as interesting. One of

12. ## Algebra

Solving system of linear equations by using the apropiate method name the method and the x,y coordinates 1)X=4y+8 2x-8y=-3 2)3x-7y=6 elimination method 2x+7y=4 (2,0) 3)5x-2y=12 elimination method 3x-2y=-2 (7,23/2) 4)9x-8y=42 elimination method 4x+8y=-16

13. ## spelling

need couple of analogies for the following words: lenght, green,downpour, string,tree, brush. The analogies need to start with one of the following:scr, spr,str,thr.

Talen promises to give omar a birthday present. Is this promise a contract?

15. ## chemistry

calculate the density of oxygen at STP?

16. ## Chemistry

does anyone know the structure of cholesterol after dehydration?

17. ## central america & the caribbean

word bank : belize,costa rica ,coffee, cuba,honduras,lead,mestizos,multicultural,oil,panama canal,puerto rico,rice,sugar cane, slavery,canal 2.___was introduced in the caribbean after indians died from european diseases. 3.central america is an ___between

18. ## calculus

is y = x^3 a solution to the differential equation xy'-3y=0?? how do i go about solving this??? also, is there a trick to understanding differential equations? i'm really struggling with this idea, but i'm too embarassed to ask my professor for help.

19. ## math

How do you write 2.536 in words? I've never seen it before. Thanks! Maddie

20. ## statistics

Shedz processes two varieties of kiwifruit – green and gold. Constraints on daily packing are as follows: • At most, 2 000 trays can be packed in total. • At most, 1 200 trays of green can be packed. • A minimum of 200 trays of gold need to be

21. ## physics

Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 72300 kg spacecraft by 64 cm/s, how long should it be fired?

22. ## Chemistry

does anyone know the structure of cholesterol after dehydration?

23. ## Chemistry

If you add hydrochloric acid (HCl) to magnesium (Mg) metal, what will you observe?

24. ## Physics - please, I really need this

Show mathematically that a diverging lens will alway produce an upright image. [i.e. prove that hi is positive if f is negative] I'm not even sure how to start this. Can someone please help me?

25. ## English

1-1. It is no fun. 1-2. It is not funny. (Are both the same?) 2-1. He is no gentleman. 2-2. He is not a gentleman. 2-3. He is not a gentleman at all. (Which one is the same as 2-1? Are all the same?) 3. Many illnesses, like colds and flu, can spresd from

26. ## Algebra check

Where appropriate, include the approximation to the nearest ten-thousandth. 27.) log x = -3 I have the answer as 1 28.) 7 ^(4-9x)= 49 I have the answer as 2/9 29.) 8^x =5.2 not sure 30.) 1n x=5/8 not sure Are these answers right?

27. ## chemistry

hello!!! what volume of hydrochloric acid concentration 0.1 mol is required to neutralise 100 cm3 of sodium hydroxide solution concentration 0.1 mol can you please expalin this question step by step i really don't understandand how to do it thank you very

28. ## Social Studies

when muhammad was born in 500s C.E., Arabia was unified in some ways but not in others. In which ways was Arabia unified at that time?

asked by Amrita im a sevie
29. ## english

what does mark twain think about slvery?

30. ## science

I have a picture that shows what scientists think parts of North America looked like 300 million yrs ago. ie, trees, plants , insects, rocks. How do scientists know what North America looked like so long ago, if there were no people around to see it?

31. ## physics

I need help with solving these word problems. Marion rides her racing bicycle @ speed of 8 m/s. Bicycle wheels have a radius of 34 cm. What is the angular speed of wheels? How many times does each wheel go around during a 10-min race? A car tire has radius

32. ## English Again

Place an F to indicate which of the following is a sentence fragment or an S to indicate if it is a complete sentence. 1. (S) Clyde refused. 2. (F) In the heart of cottage country. 3. (S) Inevitably, things change. Just making sure, since I'm not 100% sure

33. ## S.S

What powers does the Executive Branch have over Legislative Branch?

34. ## SAT Essay

Reposted for a numerical grade. Think carefully about the issue presented in the following excerpt and the assignment below. Independent people—those who rely on themselves rather than on others—get what they want through their own efforts.

35. ## Algebra help

Express in terms of logarithms of a, b, and c: log(a^3b^2)/c How would I convert this?

36. ## Music

Ok, so this question isn't exactly for school, but i needed help for it, and thought you guys might be able to help me out. Ok, so i am rewriting/rewording lyrics to the song 'Come back to Texas' by Bowling for Soup. (Search the song on Youtube if it will

37. ## Chemistry! Urgent!!

0.080 m FeCl3 find the boiling point it. so i did ( 0.080)(.51)(4)+100 and i got 100.16 whyy is that wrong?

38. ## deutsch

Hallo!Versteht hier jemand deutsch?Ich muss einen Bericht schreiben.Muss ein Thema sein das etwas mit Kroatien zu tun hat.Eher was aktuelles.Wenn jemand mir Hilfe leisten kann könnte dann wäre ich sehr dankbar!

39. ## calculus

find an equation for a line that is normal to the graph y=e^x*x and goes through the origin.

40. ## calc

What is the integral of 20 * (sinx)^3 * (cosx)^2?

41. ## Physics

Does anyone know the terminal velocity of a human being?

42. ## Economics

Help The answer i got is : GDP grew 10% GDP for 2006 using 2005 as the base year increase by 20% real GDP grow? 10% If i'm right, let me know, if not, please show Calculation Thank You Use the following data to answer questions 1-3 (be sure to provide all

43. ## music

The teacher wants specific terms for each element of a song after listening to the song. Tempo, Harmony, Melody, Dynamics, Form, Rhythem,and Timbre. What are they? Is there examples of a song broke down any where?

44. ## College Algebra Word Problem

A rectangular dog pen is to be made to enclose an area of 625 sq. ft. The pen is to be divided into 2 equal sections by a section of the fence. Find the dimensions of the pen that will require the least amount of fencing material. Thank you!

45. ## math

3(2x-4)=-18 equivalent to 6x-12=-18

46. ## English/Latin

I need help writing an epigram in english that I must translate into Latin. 2-4 lines witty last line simple (since I must translate it) Nothing vulgar

47. ## math

In an illustartion of a honeybee, the length of the bee is 4.8 centimeters. The actual size of the honeybee is 1.2 centimeters. What is the scale of the drawing?

48. ## algebra

are these correct? and simplifeid correctly? ax2b/6 x 4/5a = 4ab/15a xy^2/7 x 7x^2/y = xy^2 3/17rs x 17s^2/4r = 51s/68r^2 2v/3u x 4/6vu = 4/9u^2 31m^2n/41 x 21/mn x 2n^2/3m = 1302n^n 123 3tr/s x 2rt/s^2 = 6t^2r^2/s^3

49. ## Algebra

Where appropriate, include the approximation to the nearest ten-thousandth. 24.) 3^x= 1/81 25.) logx 125 =3 26.) log64 x = 1/2

50. ## Math

I am having trouble remembering how to simplify fractions

51. ## Ap biology

Why Does Rigor Mortis Develop?

52. ## science

How do you measure light waves with a protractor?

53. ## chemistry

What two elements are liquids at room temperature? What is the shielding effect? as you move across the periodic table, does density increase or decrease, does reactivity increase or decrease?

55. ## chemistry

What is the shielding effect, dealing with the electron vs. the nucleus?

56. ## math

What is the pecent of change fo this problem... from 8 to 300

57. ## Math

Can some one help me solve this please. 2e^5x = 712 log5 80= the five is little next to the log and 2logx=log(6x-90)+1 thanks I would really appriciate it if you could help me out

58. ## Calculus

how do I know if the series ln(n)/(2n) is DV or CV?

59. ## algebra

how would you go about solving this problem? a x 2b/6 x 4/5a

60. ## algebra

would the answer to this question be 0.004166667 meter per 1 minute? the helepolis could move at a speed of 0.00025 kilometers per hour. what was the speed in meters per minute?

61. ## functions

evaluate P(z < -1.68)

62. ## Briittany algebra question

You should have posted this as a new question, not as a comment to someone else's thread. > Just combine "x" terms and combine constants on separate sides of the equation -x = 2 x = -2 x = -2

63. ## Math.

I need help with factoring polynomials using pi and sigma. I understand it, but what is the best way to find the sigma when the terms are, in my opinion, really large? It takes me forever to find it, guessing. Let's say the problem is this: 56x² - 53xy +

64. ## government

How would one distinguish successful from unsuccessful assertions of judicial power? What is it that puts Marbury in one class and Dred Scott in another?

65. ## English -Macbeth

I need help understanding what the witches are saying exactly in act 4 , scene 1 when they are making the spell in the very begining of the scene

66. ## math

the jays beat the orioles by 8 runs.there were 16 runs scored in the game.how many runs did the jays score?

67. ## trig

How do I solve this? If cos x= 3/5, find the exact value of cos 2x

68. ## math

what is an equivalent fracton to six ninths?

69. ## government and economic

Suppose big business had vigorously opposed the Sherman Antitrust Act, but that it had been passed anyway. What sort of politics would have been required for this to happen?

70. ## math- precalculus

how do i solve these? 9^(-x)=1/3 2^(2x)+ 2^(x) -12 = 0 (3/5)^x = 7 ^ (1-x)

71. ## social studies

what challenges did english settlers in north america face?

what is a car pool?

73. ## Calculus

Is sum of sin(pi/n) DV or CV? I don't understand why it is DV.

74. ## Math

how could you use 5 x 6 = 30 to find the product of 6 x 6

75. ## Math

What mulitiplication fact can you double to find 4 x 7

76. ## Gifted+Talented English-(Figurative Speech Poetry)

Our assignment is to write a poem on each of the types of figurative speech. simile metaphor synecdoche metonymy personification apostrophe hyperbole understatement irony paradox I have completed every one of them except understatement and paradox. I

77. ## algebra 1

a line passes through the point (3, -5) and has a slope of 7. which of the following is the correct point- slope form of the equation of the line and why? a.y+5= 7(x-3) b. y-5= 7(x+3) c. y+5= 7(x+3) d. y-5= 7(x-3)

78. ## Social Studies

what does the word muslim mean? please help fast i need to know for my study guide for my huge test tomorrow

asked by Amrita im a sevie
79. ## chemistry

What element is 2s^2sp^3? (^# is the superscript) And what is the charge of the ion?

80. ## History; post 1945

Describe how american cold war policies and practices influenced international relations from late 1940s to the mid 1950s?

81. ## Computers (Java)

Hello -- Looking for help with an extra credit assignment to give my grade a needed boost. The program is to display a star pattern with java loops. From prof: 7. Write a program using loops to display the star pattern that follows the written description.

Write the names of places and shelters.Drow kinds of transportation.

83. ## English

Decide how each of the senteces can be expanded. Write your expanded sentence on the line. 1. The athlete ran into the arena. 2. The kids ate. 3. The bird begain to sing. Just asking to see if there is any specific or correct way to do this. Such as a

84. ## Computers (Java)

Hello -- Looking for help with an extra credit assignment to give my grade a needed boost. The program is to display a star pattern with java loops. From prof: Write a program using loops to display the star pattern that follows the written description.

85. ## College Algebra

The question says on my homework: Find the slope and y-intercept of the line 2y+5x-6=0. How do you do it?

86. ## space

Imagine that all gravity in the Universe was magically turned off (except the gravity of the Earth),and everything stopped moving.Earth's gravity will now begin to pull everything in the Universe slowly toward it. True or False?

87. ## English - Last Q

Correct the following run-on sentences. 1. Justine plays hockey, she plays for a team that tours Canada. 2. The rock star cancelled his performance. It was the second time in two weeks. 3. City lots are too expensive for most people, the cost is

88. ## calculus

For a function f(x) the derivative at x=2 is 5. Is the derivative of f(x) continuous at x=2? Thanks!

89. ## Biochemistry

What are the structures of the products of a complete acid hydrolysis of glycerophospholipid where the alcohol is ethanolamine, HOCH2CH2NH2 and the fatty acid is stearic acid. Can anyone help on this one? Confused here...

90. ## Science

where is a thermostat used where is a thermocouple used How does an outdoor thermomter work? How does a clinical thermometer work? How does a themostat work? How does a thermocouple work? If anyone knows the answer, please help! Thanks! ~Slappy~

91. ## health

Identify and explain at least two ways that HIV and AIDS has changed our way of life forever. can you please help me? i cannot even come with one. thanks!!!

92. ## Algebra help

Find the formula for the inverse of each function. 4.) g(x)= (x+5)^3 I do not understand how to do this one.

93. ## government

The Pendleton Act has produced several consequences. On the other hand, it has lessened the fear of job loss, making the bureaucracy inert to presidential direction. It takes two years on average to fire an incompetent or insubordinate civil servant. On

94. ## Air Table

... continued If momentum was lost in a momentu, vector diagram, it would be because not enough force was applied to the pucks on the air table?

96. ## History

describe the reasons new England was ideal for the development of factories

97. ## Math

Find the five-number summary of the following set of numbers. 337, 248, 157, 388, 248, 451, 271, 225, 310 First sort... 157,225,248,271,310,337,388,451. the minimum = 157 the minimum = =271 the median = (271+310)/2= 290.5 the upper quartile= can you please

98. ## English

Can someone please write an epigram for me?!?! 2-4 lines witty last line simple (I have to translate it into Latin)

99. ## Algebra help

Simplify: Note: The first letters next to log are the small letters. 16.) logr r 17.) logt t^4 18.) logb 1

100. ## math

2+7x8/4= 9x2=18 or 56/4+2=16 do i follow M.D.A.S or do I follow the problem? these have no parentheses.

101. ## english

importance of education now a days??. any recommendation plz.,, ,. thank you and Godbless.

102. ## English

why student refrain from absences in this new generation??

103. ## biology

1. Explain the problems that growth causes for cell 2. Describe how cell division solves the problem of cell growth

104. ## science

WHY DO WE NEED THREE SEMICIRCULAR CANALS IN EACH EAR,RATHER THA ONLY ONE?

105. ## physics-mechanics

a ball, m1, is held in place, 30 degrees from the roof it is connected to, from m1 hangs a 2nd ball m2, 1 pendulum connected to another pendulum. what is the acceleration of the 2nd ball, m2, the moment m1 is released?? my 1st thought was, simply -g, since

106. ## nutrition

The list of ingredients if rom a box of graham crackers. INGREDIENTS: enriched wheat flour (contains niacin, reduced iron, thiamine-vitamin b1, riboflavin-vitamin b2), sugar, hydrogenated soybean oil), graham flour, honey, high fructose corn syrup,

107. ## operating system

I been working on this forever can you please show fully how to create these 2 small scripts. It would be very appreciated! the editor im using is VI 1. Write a script called simple.!@#\$%^&o do the following: Displays "There are no arguments" if no

108. ## Economics

The answer i got is : GDP grew 10% GDP for 2006 using 2005 as the base year increase by 20% real GDP grow? 10% If i'm right, let me know, if not, please show Calculation Thank You Use the following data to answer questions 1-3 (be sure to provide all

109. ## Algebra help 2

Where appropriate, include the approximation to the nearest ten-thousandth. 27.) log x = -3 I have the answer as -3 28.) 7 ^(4-9x)= 49 I have the answer as 2 29.) 8^x =5.2 not sure 30.) 1n x=5/8 not sure Are these answers right?

110. ## Math

When you put together unequal groups, can you only add? I'm learning Multiplication as Repeated Addition

111. ## Math help

Where appropriate, include the approximation to the nearest ten-thousandth. 31.) log(x-4)+ log(x+4)= log4 I have the answer as 4 Is this answer right?

112. ## geography

describe how each of the three groups of people in Rupert's land lived.

113. ## chemistry

out of: Si, P, S, and Cl, which has the smallest radius? I think it is Phosphorus.

114. ## biology

i really need some help!! i understand the parts of the heart and their names, but i am really confused on the cardiac cycle graph that shows the pressure of the heart at certains stages HELP ME PLEASE!

115. ## MATH

60 CBM IS WORTH 5000 DOLLARS, HOW MUCH IS 0.18 CBM WORTH DOLLAR WISE? I NEED A FORMULA FOR THAT

116. ## precalculus

how do i solvethis equation (btw we are studyinglogarithms) 3^(x^3)=9^x 2^x=10 (4^x)-(2^x)=0

117. ## Math

how can you use 2 x 8 to find 4 x 8

118. ## history

How does Hobbes fit with the pragmatism of realpolitik?

119. ## math

22 divied 2

why do they go public and sell stocks in their company

122. ## Family Consumer Sciences

One of the questions on a worksheet I must answer is this: You're in study hall and trying to get your homework finished. The students next to you continue to talk and interfere with your concentration. What should you do? You are supposed to put your own

123. ## Financial Management

In using the internal rate of return method, it is assumed that cash flows can be reinvested at

124. ## math

How do you write out the number 2.536? Thanks. Maddie

125. ## chemistry

If you add hydrochloric acid (HCl) to magnesium (Mg) metal, what will you observe? What products form in this reaction?

126. ## American History

Who was the man who championed the conquered province view of the South in the Reconstruction period abd wanted to give each freedman "40 acres and a mule" to them economic viability?

127. ## Calculus

what is the limit as x goes to 1- of (arcsin(x) - pi/2 ) / sqrt(1-x) ? I tried using L'Hopital's and it doesn't work.

128. ## english: essay

Could someone give feedback on my expository essay? The concerns is the thesis, intro, conclusion and citations of the paper. Systemic Lupus Erythematosus (Lupus) Many years ago, my mother was diagnosed with Systemic Lupus Erythematosus. Every day since

129. ## social studies

How can the country best prepare for the changing race and ethnicity of its current and future citizens?

130. ## SAT Essay

Reposted for more feedback. Think carefully about the issue presented in the following excerpt and the assignment below. Independent people—those who rely on themselves rather than on others—get what they want through their own efforts. Interdependent

131. ## math

find the value of 350x -70 when x is 400

133. ## History

How was the election of 1916 differenct from the election of 2004

134. ## Math

4 ln (x+7) - 2 ln x 9^-x+3=95 Can you help me with these problems

135. ## continued from algebra

Y=2x+9 2x-y=-9

137. ## art

what was richmond barthes style of art?

138. ## Biochemistry

How can I separate glucose and a triacylglycreol mixture? Thanks for any help ,,,,

139. ## chemistry

What are connections among electron configuarations, the periodic table, and chemical behavior?

140. ## S.S

i need the answers to this questions. i really need help! What powers does the Legislative Branch have over the Supreme Court?       What powers does the Executive Branch have over Legislative Branch?       What powers does the

141. ## spelling

What is- rope:string::string:____

142. ## spelling

Could you tell me some words that start and end with the same letter.

143. ## Algebra check

Convert to exponential equations. 12.) m=log3 9 I have the answer as 3^m =9 13.) log2 64=6 I have the answer as 2^6 =64 Are these answers right?

144. ## Culture diversity

describing the role civil disobedience played in the Civil Rights Movement.

145. ## psy101

Many of the chemicals that affect the brain operate by a. absoring neural impulses b. imitating or cancelling the effects of neurotransmitters c. changing the sodium balance in the synapse d. duplicating the effect of the potassium in the nuclei

146. ## government

Why is the Senate particularly likely to become an arena for entrepreneurial politics?

147. ## math

31m^2n/41 x 21/mn x 2n^2/3m

148. ## Pucks and Collision

If an experiment is being conducted with two pucks on an air table, an elastic collision. Does the pressure of the hose connected to the pucks effect the results of momentum and kinetic energy loss? Please give me your opinion on this I think it may cause

149. ## Anatomy and Physiology

Which of these two options demonstrate irritability and conductivity and thus transmit electrical messages from one area of the body to another area? 1. neurons 2. neuroglia

150. ## algebra

can someone please help me with this? :) paul edros's first article was published in 1932. in 2003, 1521 articles on which he had worked had already been published. on average, how many of edros's articles were published each year from 1932 and 2003?

151. ## Chemistry

Quick question here: Which has the higher reactivity, Calcium or Potassium? Is it calcium?

_____________IN________________IS NAME FOR THE EXPLORER_____________.

153. ## Chemistry

In group 16 of the periodic table, electronegativity decreases as you go from top to bottom, correct?

154. ## Algebra

State the domain and the range of each function. 22.) f(x)=e^x +3 23.) g(x)=1n(x-1)

155. ## Algebra help

State the domain and the range of each function. 22.) f(x)=e^x +3 23.) g(x)= In(x-1)

Living Enviornment: 1) Why does a hormone not affect cells other than its target cells?

157. ## myth! hElp!

What would you say inspired the writing of the Aeneid and the Odyssey. Something that is relevant to both poems.

158. ## Chemistry

Which would better fit the description of having a relatively high electronegativity and a poor conductor of heat? Mg or Cu? I'm thinking Mg....

159. ## Calculus - Series

Why is the limit of the sum n=1 to infinity of ln(2(n+1))â€“ln(2n) divergent? I thought it would be -ln2 because all the other terms cancel out cancel out.