# Questions Asked onNovember 6, 2008

1. ## physics

Three identical thin rods, each of length L and mass m, are welded perpendicular to one another as shown below. The assembly is rotated about an axis that passes through the end of one rod and is parallel to another. Determine the moment of inertia of this

2. ## Math

Expressed to the correct number of significant figures, the sum of two masses is 445.2 grams. WHich two masses produce this answer? 1) 210.10 g+235.100g 2)210.100 g + 235.10 g 3) 210.1 g + 235.1 g 4) 210.10 g+ 235.10 g I think the answer is 2 but I don't

The distinction between mass and weight was discovered after Jean Richer transported pendulum clocks from Paris to French Guiana in 1671. He found that they ran slower there quite systematically. The effect was reversed when the clocks returned to Paris.

where do I find goodbye to the moon story ?

5. ## math

A midwestern music competition awarded 38 ribbons. The number of blue ribbons awarded was 3 less than the number of white ribbons. The number of red ribbons was 2 more than the number of white ribbons. How many of each kind of ribbon was awarded?

6. ## intermediate algebra

A projectile is launched directly upward from the top of a 112 - foot building with an initial velocity (speed) of 96 feet per second. This translates to the h(t) = -16t^2 + 96t + 112 where h(t) is the height of the projectile in feet and t is the time in

7. ## statistics

The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6 and a standard deviation of 5.9. A simple random sample of 50 students who took the exam is selected for study: A) What is the

8. ## ap biology

10 . Which one of the following statements is NOT true about the resting potential? (28.3) [Hint] A. The neuron's plasma membrane is much more permeable to potassium than to sodium. B. The concentration of sodium is much higher inside the cell than

9. ## chemistry

Laws passed in some states define a drunk driver as one who drives with a blood alcohol level of 0.08% by mass or higher. the level of alocohol can be determinded byt titrating blood plasma with pottasium dichromate according to the unbalanced redox

10. ## Hs Math

on the moon, the acceleration due to gravity is 1.6m/sec^2 a. if a rock is dropped into a crevasse, how fast will it be going just before it hits bottom 30sec later? b. how far below the point of release is the bottom of the crevasse? c. if instead of

11. ## Physics

How many times will the incident beam shown in Figure P25.3 (x = 1.90 m, y = 1.30 m) be reflected by each of the parallel mirrors? mirror on the right

12. ## trig

Verify that each equation is an identity. 16. 1+tanx/sinx+cosx =secx ok i have a clue on how to do it. i multiplyed the denominator by sinx-cosx and i also did the top but when i do i get this weird fraction with all these cos and sin and then i get

13. ## physics

A war-wolf or trebuchet is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling large vegetables and pianos as a sport. A simple trebuchet is shown in the figure. Model it as a stiff rod of negligible mass, 3.05 m

14. ## chemistry

how can i compare the dual nature of light how can i describe the phenomena that can be explained only by the particle model of light. how can i empoly the quantum theory to assess the amount of energy that matter gains and loses how did Einstein utilize

15. ## phsyics

an 8g bullet is shot into a 4kg block at rest on a frictionless horizontal surface. the bullet remains lodged in the block. the block movies into a spring and compresses it by 3cm. the force constant of the spring is 1500N/m. the initial speed of the

16. ## social studies

Hi i need help with the following 4 questions please 1. Jacksonian democrats favored the following except one a. rotation in office b. manhood suffrage c. the caucus system of nomination d. rewarding the politically faithful 2. The foreign policy of John Q

17. ## Math

it says the knights banquet hall uses the equation 25n-c+1250=0 determine the cost for a hall rental the legions banguet hall usues the equation 30n+995-c=0 to determine the cost for thier hall rental express each equation in slope y-intercept form- c=mn+b

18. ## 1 more phyiscs for today

sorry for asking for help agen. a baseball catcher puts on an exhibition by catching a .150kg ball dropped from a helicopter at a height of 100m above the catcher. if the catcher "gives with the ball for a distance of .75m while catching it, what average

19. ## Math

The average life expectancy for American men born in 1900 was 55 years. Life expectancy has increased by about .2 year for each birth year after 1900. If this trend continues, for which birth year will the average life expectancy be 85 years? how do u

20. ## intermediate algebra

You can travel 40 miles on a motorcycle in the same time that it takes to travel 15 miles on a bicycle. If your motorcycle's rate is 20 miles per hour faster than your bicycle's rate, find the speed of the motorcycle and bicycle. motorcycle = 32mph bicycle

21. ## Calculus

find the x-coordinate of the point P on the parabola y=1-x^2 for 0

22. ## bhs

what is the formula of the ion formed when potassium achieves noble gas electron configuration?

a marathoner ran the 26.2-mi New York City marathon in 2.2h. show that at least twice, the marthoner was running at exactly 11 mph

24. ## English (CA)

my teacher says we should replace the verb to be (is, are,was,were, has been) and there are a couple places in my essay where i cant figure out hiw to change them...any suggestions would be greatly appreciated - Another instance of symbolism in “The Most

25. ## chemistry

What is the electron configuration for Be 2+ ions? 1) 1 3) 2-1 2)2 4) 2-2 I also need an explanation for the correct and incorrect answers because I am confused by this problem.

26. ## math

Ms. Davis asked her students to draw a picture describing their hobby, She asked them to use only 3 colors. Patrick has a box of crayons containing the colors red, blue, yellow, green, orange and purple. How many different ways can Patrick use his crayons

27. ## geometry

a lader is leaning against a jouse and is forming a 60 degree angle with the ground. if the top of the ladder is 24 feet off of the gound, how long is the ladder? leave your answer in exact form.

A corner lot that originally was square lost 185 m of area when one of the adjacent streets was widened by 3 m and the other was widened by 5 m. Find the new dimensions of the lot.

29. ## acounting

a) the cash payments journal used in this problem has only 3 special amount columns. Under what circumstances would you recommend that additional special amount columts to be added to a cash payments journal? b) When insurance premiums are paid, should the

30. ## ap bio

15. The threshold potential is of great significance in the physiology of neurons because if the threshold potential is not reached, __________. A.the neuron cannot regain its resting potential B.the action potential will be "inversed," with a flux of

31. ## physics

Two metal disks are taped to a meterstick. The mass of the meterstick is 460 grams. Disk 1 has a mass of 300 grams and is located at the 28 cm mark. Disk 2 has a mass of 500 grams and is located at the 64 cm mark. At what posi- tion along the meterstick

32. ## math

estimate quotient and divide (how do you estimate the quotient? 552 divided by 71,520 I don't understand the steps.

33. ## geometry

A farmer plants pine trees. If he plants 5 rows of 4 trees How is it possible for him to have only planted 10 trees ? Draw a diagram

34. ## intermediate algebra

Pat can design a website in 20 hours. His friend can design the same site in 30 hours. How long will it take to design the website working together? I got 12 hrs. Is this correct?

35. ## Calculas HS

a trucker handed in a ticket at the toll booth showing that in 2hours she had covered 159 mi on a toll road with speed limit 65mph. the trucker was cited for speeding. why?

36. ## calculus

find the derivative using quotient rule F(x) = (x - 7 x sqrt(x)) / sqrt(x)

37. ## Psy class

The text states that the most significant contribution positive psychology makes to the scientific study of well-being is the assessment of specific strengths. The text summarizes positive psychology as being aware that humans are both creatures and

38. ## Physics

Sorry for posting so many, but I just need to make sure I'm on the right track. Just need someone to check my working and answers. A rocket has a mass 3000kg. The fuel used in the rocket has an additonal mass of 500kg. At the launch, the rocket accelerates

39. ## 7th grade pre algebra

We need assistance solving 3 + 2(k+1) = 6 + 3k I know the 2(k+1) has to become 2k + 2 then we have 3 + 2k + 2 = 6 + 3k then we can subtract 3k from both sides to get 3 +2k + 2 - 3K = 6 But can I combine the 3+2 on the left and the 2k - 3k to get -1k?

40. ## history

who can give me more info about the ancient messopotamian's government housing program for my shool essay?

You are assigned the duty of ensuring the availability of 100,000 yen for the payment that is scheduled for next month. Considering that, your company possesses only U.S. dollars, identify the spot and forward exchange rates. What are the factors that

42. ## intermediate algebra

A right triangle has two legs and a hypotenuse. One leg of the triangle is 3 feet longer than the other leg. The hypotenuse is 15 feet. Find the length of each leg. I got 12 feet and the other leg is 9 feet Is this correct?

43. ## English

1. Write down the name of the building with a question mark. 2.Write down the name of the building marked with a question mark. 3. Write down the name of the building having a question mark. 4. Write down the name of the building which has a question mark.

44. ## ap bio

16 .Action potentials are generated along a neuron because __________. A.of cytoplasmic streaming within the neuron B.depolarization of the membrane at one point causes an increase of permeability to sodium at the next point C.they are pulled along by

45. ## math

The scientists Verhulst (1828) where is the natural growth rate of the population when resources are limited and is a positive constant called carrying capacity of the environment. (a) Using sign analysis, find all constant solution and discuss the general

46. ## high school calculas

Find the (a) the local extrema, (b) the intervals on which the function is increasing, (c) the interval on which the function is decreasing h(x)=2/x

47. ## Albegra Word Problem

In 1993, the life expectancy of males in a certain country was 62.1 years. In 1997, it was 65.8 years. Let E represent the life expectancy in year t and let t represent the number of years since 1993. The linear function E(t) that fits the data is E(t)=

48. ## science

potential energy is energy of _______ or chemistry?

49. ## math

Antonio said, "To solve 506-288, I can think of 5 hundreds as 50 tens." How might this help him subtract?

50. ## physics

a block is held 1.3m above a spring and is dropped.The spring compresses 6cm before sending the ball into the air. How fast is the ball going when it hits the spring? What is the spring constant? How high in the air does the ball go after hitting the

why did a policy of isolation suit most americans in the early 1800s?

52. ## social studies

what were two effects of commodore perry's visits to japan?

53. ## eng

use hackneyed in a sentence. can someone make one for me

54. ## Physics

I'm having troubles with a few questions. A tennis ball is thrown vertically upwards. At the top of it's flight, it has: A. a zero speed and acceleration B. a zero speed and constant acceleration C. maximum speed and acceleration D. maximum speed but zero

55. ## social studies

How did the slave trade affect the eastern shore? Also where can I find information about the Slave Trade on Maryland's Eastern shore on its economics and culture? Help is Appreciated! Thankyou

56. ## physics

a box whose mass is 0.3 kg is pushed against a spring(k=40n/m) on a horizontal surface and the spring is compressed 0.12m. The box is released and travels for 1.4 meters before coming to a stop. What is the coefficient of friction between the floor and the

57. ## exam questions

hi I'm looking for the past exam questions. Could you help me? Where I can find? thanks.

58. ## sociol studies

plse help me 1. How African Americans were used by the U.s army, and french army (world war 1) 2. (ww1) countries in the allied powers and centeral powers? 3.goals of the panama canal? plse help me and thx you so very much

59. ## Math

Name a fraction between 0 and 1/10 whose numerator is NOT 1.

60. ## geometry

ok,judy lies on the ground 45 feet from her tent. both the top of the tent and the top of the cliffare in her line of sight. her tent is 10 feet tall. about how high is the cliff

61. ## Const convention

Why did Rhode Island not participate in the Constitutional Convention?

62. ## language

plse refresh me on what a thesis statement is plse and thx you i just want to get it right

63. ## math

Describe an application for the use of ratios or proportions that is not mentioned in your text, or describe how an application problem in the text could be useful in your daily life.

64. ## math

The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are

65. ## college- Linear Algebra

Give example of two non-zero matrices A and B such that A^2=0, B^2=0 but AxB and BxA do not equal zero.

66. ## math

Find the first and third quartiles, Q1 and Q3, of the following set of numbers. 14, 4, 13, 18, 8, 15, 8, 3, 11, 8

67. ## math

The scientists Verhulst (1828) and Peal (1930) proposed the following growth model for a population living in an environment with limited resources (e.g. space, food, sunlight, etc): = , where is the natural growth rate of the population when resources are

68. ## Calculas HS

show that the solution has exactly one solution in the interval x+ln(x+1)=0, 0

69. ## algebra

srry if i am asking to many questions today this is my last thing plse help me how do you do problems like this find the slop and y intercept of the equation 3 y=x-5/4 5/4 is a fraction how do you do problems like that plse expalin and show me step by step

70. ## 5th Grade student teacher: Needs ur help....

What fun activity could I use to to teach 5th grade students about the Constitution?

71. ## biology

Which end of a phospholipid is attracted to water?

72. ## Astronomy

Explain the nature of the seasons of mars and how they are like earths seasons.

73. ## intermediate algebra

Write the equation of the line containing (-3,4) and perpendicular to y = 2/3x + 2. Write your answer in slope-intercept form. Not sure how to do this one. please help.

74. ## math

amusement park purchased equipment from a manufactures for a list price of 42,000 minus trade discounts of 30//20/15. Calulate the amount of the trade discount on the purchase. Help so lost

75. ## social studies

identify matthew perry

76. ## Algebra

I have just one math problem that I need a little help with. Please give me the answer, and walk me through it, too, to help me understand it. Thanks! The price of a ring is decreased by 40% and the resulting price is increased by 50%. The final price is

78. ## English

A: Where are you from? B: I'm from a school. A: Where do you come from? C: I come from a company. (Are the expressions in the short dialogue all correct? What about B? Can B be an answer to the question?)

what are the 6 major ecosystem?

80. ## Algebra

Could someone please help me figure out this question. If I paid \$76.08 for something that was 40% off, what was the regular price? I got \$127.98 but when I check my answer I am off by 2 cents. What am I doing wrong?

asked by I have one question
81. ## dt

what is a mass structure?

82. ## Human Resource

Why would a company's strategic plans/goals and vision affect what kind of incentive plan (financial or nonfinancial incentives) it should be using to motivate employees?

83. ## social studies

identify william seward

please see if these are correct THANKS Balloon races have become popular. Several airport's are supporting this race. An area is reserved for spectators. One spectator's son is in the race. The occasion is a photographer's delight. Will all the passengers

85. ## Math

Name 5 fractions between 0 and 1/4.

87. ## algebra

I can't figure out how this is simplified. 3x/2+3-x can you help?

88. ## 10th grade honors algebra

I can't figure out how to simplify this: 3x/2 + 3 - x

89. ## Science riddle

You may enter, but you may not come in. You may look through my windows and see nothing outside. I have space, but no room. I have keys, but open no lock.What am I?

90. ## busniess

Do tariffs encourage Americans to buy US products?

91. ## MATH

How do you write an equation in standard form? Ex.How would you write this in standard form? y+1=x+2

92. ## math

18, 38, 44, 50 QUESTIONS SHOW WORK/EXPLANATION & ANSWER IN THIS COLUMN. 18. Simplify: 38. Evaluate: 44. Number problem. One task took 7 minutes (min), a second task took 12 min, and a third task took 21 min. How long did the three tasks take as a fraction

93. ## 6ht grammar

I need help on plural possessives Are these answers correct? Balloon races have become popular. Several aiport's are supporting this race. An area is reserved spectators. One spectator's son is in the race. The occasion is a photographer's delight. Will

94. ## Math

Solve the following 2w^3 4c^3t^2 _____ - ________ 9c^3d^3 3b^2d^2

95. ## math-factoring

how do you factor this 8x^3+27

96. ## need help math

a. Evaluate the following. Remember to use the order of operation 16 ٪ (-2) • (-4) 23 + 4 b. Explain the steps taken

97. ## english

what is an endnote? do you put a number after a quotation and then do you have a page at the end listing all of numbers with corresponding sources. I don't get it

98. ## Math

How would you get a alone on one side in this equation? r = ab over a+b

99. ## science

why are pencils yellow i have to come up with a tall tell

100. ## eng

sentence for prerogative

101. ## french

is this correct? Ashlee Simpson est la femme de Pete Wentz. Homer et Marge sont les parents de Maggie. Miley est la fille de Billy Ray. Kevin Jonas est le frere de Nick. would i use any forms of de (du, de la, de l', des) for any of these?

102. ## English

maculine for :nurrse student child student

103. ## history

How were the various countries of the world affected economically by WWII? Who came out ahead? Which countries suffered monetarily? Who lost their empires? Who lost the most in human capital?

104. ## Fundamentals of programming

Design a program that models the worm’s behavior in the following scenario:

105. ## Spanish

can't you do actual revision ; instead of just words. it would make it a whole lot easier, because what if we didn't need to revise on those particular words and needed RESEARCH?

106. ## SOCIALSTUDIES

IF U WERE AN INDIAN IN THE OLD DAYS AND U RAN OUT OF SUPPLIES WHAT WOULD U DO?

107. ## general

Some states have high school starting at 9th grade while some start only in 10th. so when are the kids ready for AP classes? is this school dependent?

108. ## science

What are its properties? Write two properties for each object. block,paper clip and book water, milk and orange juice

109. ## vocab/english

i need a sentence using bombastic with context clues please.

110. ## math

If a \$235 monitor is to be sold at 30% off, how much do you have to pay?

I need help on making a rough draft for a essay on cinderella. Comparing and contrasting two stories.

112. ## social studies

how did the u.s acquire the territory of alaska?

113. ## math

Place the following set of numbers in ascending order -2/15, 5/9,1/8,-1/9,2/7

114. ## math

Find the reciprocal of -1/7 (10-1)

115. ## dividing monomials

How would you solve this and could you give more examples? (-e)^6f^1/e^6f^4

116. ## english language

what are articles and how are they used in the english language. 2)form 3 simple,compound and complex sentences

117. ## calculus

I'm studying for a quiz on infinite series and convergence/divergence tests. I keep getting confused between the variables "k" and "n". What is the difference between the two?

118. ## english

femini dentist,doctor,person andteacher

119. ## english

What is a declarative definition in an sentence?

f(x)= x, 0

121. ## social studies

what is swedens nickname and why?

122. ## Eth 125

Identify leaders of the Civil Rights and Black Power movements and their contributions to their respective causes. How did these social pioneers forge the way for this important ratification? What legislation was relevant during these critical times

123. ## Math

round the number 43,678.426785 to the nearest ten thousands? 40,000 is this correct

124. ## Astronomy

so i know that theres something Astronomically wrong with this quote but cannot figure out exactly what, would appreciate some help!!! "There's a full moon rising just about midnight, theres a high tide comin' 'round just about dawn" PLEASE, PLEASE,

125. ## English

What is pre-intervention and post-intervention month?

126. ## social studies

identify teaty of kanagawa

127. ## Math

a. Evaluate the following. Remember to use the order of operation 16 ٪ (-2) • (-4) 23 + 4 b. Explain the steps taken

128. ## world history

what is early people because i am a 6 grader

129. ## Math

Invoice that list the date of the payment and the cash discount is called? terms?

130. ## ETH 125

According to current (within the past 2 years) research and news reports, what are some of changes the United States has made to policies concerning the treatment of Muslims and Arabic members of society?

131. ## teaching

What are organizing procedures and resources in a classroom?

132. ## biology

what the cell theory applie to

133. ## Linear Algebra

Give example of two non-zero matrices A and B such that A^2=0, B^2=0 but AxB and BxA do not equal zero.

134. ## Anatomy and Physiology

What is the structure of muscle that is a connective tissue surrounding a fascicle?

135. ## social studies

i need help on a current event

136. ## math

Factor the following completely. x^2-12x+20

137. ## math

which of the following are intergers? 2/11 705,0.033,-780,86.7

138. ## French

What verb do we use for the verbe auxiliaire (helping verb)?

139. ## Algebra 2 with trig

Simplify the rational expression. 2x/x^2+4x+3 divided by 1/x+3 plus 2/x+1

140. ## math

what other words are for dividion?

141. ## Math

If Katrina leaves now and drives 66km/h, she will reach Alton just in time for her appointment. On the other hand, if she has lunch first and leaves in 40 minutes, she will have to drive 90km/h to make her appointment. How far away is Alton? How would you

142. ## english language.

when is 'the' used in the english language.

143. ## english

sentence for prerogative sentence for provincial please make one up . =)

144. ## HS Math

2x/x^2+4x+3 divided by 1/x+3 plus 2/x+1

145. ## Math

Can you please help me solve these problemss: 1. _____mL= 1 dL 2. _____dg= 1 dag 3. _____cL= 1 hL 4. _____cg= 1 dag 5.______daL= 1 kL 6. _____hm= 1 km

146. ## math

what was africans wearing back then.

147. ## social studies

what did the africans eat back then.

how many eggs dose a clown fish lay?help????

149. ## math

[(2+h)^2-4]/h find the limit how do i do this?

name a fraction between 2/3 and 3/4 whose denominator is 1.

151. ## Math

d+b/c when b=5, c=1.32, d=0.8

152. ## astronomy

why does Venus have such a high Albedo

when was last electioin for california council officials