# Questions Asked onMarch 1, 2009

1. ## Chemistry

PartA: What volume of 10.0M NaOH is needed to prepare a buffer with a pH of 7.79 using 31.52 g of TrisHCl? TrisHCl is a weak base and the molecular weight is 157.67 g/mol. I found the solution, it is 6.67 milliliters. The main question is:Part B: "The

2. ## PARTS OF SPEECH

Choose the sentence in which the verb is a linking verb. A. He works at a gas station. B. He has walked to work from his house. C. His hours are long and busy. D. His boss pays him well.

3. ## SAT Essay

I owe my success to having listened respectfully to the very best advice, and then going away and doing the exact opposite. --G. K. Chesterton (1874 - 1936) Assignment: Are people held back by their adherence to the beliefs of the majority or doing things

4. ## algebra

For what value of the constant (c) does the system of equations below have no solutions (x,y)? 3x - 5y = -2.3 6x - cy + 9.3 How would I start to figure this out? Thank you!

5. ## part of speech

Select the antecedent of the pronoun in the following sentence. The strikers will return to work when the union representatives have completed their negotiations. A. strikers B. work C. negotiations my answer is D. representatives

6. ## math ws

what do you call it when someone pays back a loan quickly? thanks for any help

7. ## Algebra

For what value of the constant (c) does the system of equations below have no solutions (x,y)? 3x - 5y = -2.3 6x - cy + 9.3 How would I start to figure this out? Thank you!

8. ## Finance Management

Suppose the population of Area Y is relatively young and the population of Area O is relatively old. Would interest rates likely be the same or different in the two areas? Explanin. Would a trend toward nationwide branching by banks and the development of

9. ## fb

what were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks

10. ## binomial random variables

compute the probability of x successes in the n independent trials of the expirement. n=10 p=0.4 x=3

A flagpole casts a shadow 27 feet long. A person standing nearby nearly casts a shadow 8 feet long. If the person is 6 feet tall, how tall is the flagpole

12. ## Social Studies

Where can i find information for key military development in the middle east for 600-1450c.e

13. ## physics

A 10.0 kg block is released from point A in the figure below. The track is frictionless except for the portion between points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2350 N/m, and compresses

14. ## PARTS OF SPEECH

Which of the following sentences contains a demonstrative adjective? A. Which one is this? B. This is his. C. This hat is his. D. Whose is this? is it c

15. ## American History Honors

I need to present the most important facts about immigration in the 1920's. i.e. what acts where passed, who was for/against it, did immigration increase or decrease, etc. About 7 facts, no more than 10 -- this is for a "teach the class" assignment.

16. ## WRITING

Could you please correct my essay? The magic carpet Once very hot day, I was looking for my criket bat down in the basement. I saw a beautiful colourful carpet was lying in the coner of the room as I came closer suddenly the carpet jumped! It moved and

17. ## stats

In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control

18. ## changes in matter

What happens whensodium chloride and silver nitrate react in a replacement reaction?

19. ## chemistry

Gaseous CO2 decomposes to form the gaes CO and O2. At 20.0 degrees Celsius, =2.0*10^-8. 2.0 mol carbon dioxide is placed in a 5.0 L flask. What are the equilibrium concentrations of each species. My attempt to get the answer: Balanced equation: 2CO2-->

20. ## science, biology

How might the chewing of food be related to the rate of a chemical reaction-digestion- that occurs in your body? explain

21. ## Biology

In Drosophilia, the gene for red eyes, R, is dominant for the gene for white eyes, r. This is sex-linked Determine the possible genotype and phenotype ratios expected from a cross between, (a) heterozygous female and red-eyed male, (b) a heterozygous

22. ## Statistics

1) For each of the following statements, formulate appropriate null and alternative hypotheses. Indicate whether the appropriate test will be one-tailed or two-tailed,then sketch a diagram that shows the approximate location of the rejection regions for

We are working on sequencing events. What comes next VI, VOI, VOIVI and ______. Would the answer be VI?

24. ## social studies

What is one word to describe the middle colonies?

25. ## physics

1. Calculate the frequency (Hz) and energy (eV) of green photons with wavelength of 555nm. Photon energy = hν, where ν = frequency in Hz and h = 6.626x10-34 joule-sec, the Planck’s constant. Keep in mind that: wavelengthxfrequency = speed. 2. Andy

26. ## Algebra - how do you do this

(-7yt)/(3x)=?/(18xyt) Building up the denominator Build each rational expression into an equivalent rational expression with the indicated denominator.

27. ## english

Where can I find some negative benefits of Reproductive Cloning at? I found the positives for Reproductive and Therapeutic already.

28. ## pre alg

25a^-2 b^-5 c^8 / 40 a^5 c^9--this problem i come up with 5/8a7b5c..is this correct?

29. ## Physics

Sorry to double pos, I just really need help whit this. You push an air-hockey puck along a surface with negligible friction while riding in a truck as it moves at a constant velocity in Earth's frame of reference. What do you observe? Why? I'm tempted to

30. ## science

hydrogen is one of the elements that make up what?

31. ## Algebra - check to see if correct

5/(y-3)=(y+7)/(2y-6) i got no solution and i got y=3. Solve each equation. Watch for extraneous solutions.

32. ## Algebra

The sum of the charges of the quarks in a particles gives the overall charge of the particles. Two up quarks and a down quark make a proton, which has a charge 1. On the other hand, two down quarks and an up quark make a neutron, which has a charge 0. What

33. ## criminal justice

Describe how criminal resposability can be limited

34. ## Algebra - check to see if correct

-7yt/3x= ?/18xyt i got 6yt/6yt the answer being 1yt/18xyt

35. ## accounting

Bond Conversion The tramot corporation has \$2,000,000 of 6 percent bonds outstanding. There is \$40,000 of unamoritized discount remaining on the bonds after the March 1, 2008 semiannual interest payment. The bonds are convertible at the rate of 20 shares

36. ## Chemistry

Question: Consider following equilibrium system: SO2(g)+ Cl2(g) goes to So2Cl2(g) Kp=.900 atm @25 degree C. Suppose that 2.0 moles S02, 1.0 moles Cl2, and 3.0 moles So2Cl2 are placed in an empty 4.00L vessel at 25 degree C. Compute the number of grams of

37. ## biology

what is the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)

38. ## biology

what is the name of the pictures of chromasomes that are arranged according to size and pattern

asked by in need of help
39. ## science geology

Where do metamorphic rocks originate? How are they formed? o What are the two categories of metamorphic rocks? What are the distinguishing characteristics between the two categories of rocks?

40. ## Country Reports

I am doing a 6th grade country report on Iceland and I need the following information: Iceland's lower courts -and- Iceland's Appeals Thank you for any help that I can get!!! (I can't use any links because of parental controls. :) thank you!!!)

41. ## Math

How do I figure these 2 out. Find standard form a +bi (4 square root -9) ( -3 square root -5) x^2 -3x+4 evaluated for x=1+i

42. ## Country Reports

Sorry, I have another question about Iceland's government. :) It wants to know What is (are) thename of the house(s) of government in your country? -and- What are the names for representative to the national government? (senator, assembly member, ect.)

43. ## English

I am writing a character analysis of Laura from The Glass Menagerie, and I need to use quotations from the play. How do you cite these? Also, how do I know when to put a quote in a little indented paragraph thing of its own?

44. ## biology

what is the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)

45. ## Algebra

-7yt/3x=? /18xyt Build each rational expression into an equivalent rational expression with the indicated denominator.

46. ## Social Studies

Hi, I was wondering how I could find out the number of U.S. immigrants from Greenland, either each year or total. Thank you so mmuch.

47. ## Physics-repost, sorry, I still don't understand :(

A forearm with a mass of 1.2kg supports a ball with a mass of 5.44 kg. The forearm is 0.050m long; it's perpendicular to the arm is 0.35m long, the center of gravity is at 0.15m from the elbow. Find the force exerted by rhe biceps and the force on the

48. ## General Question

How does this statement go: A slim to none chance or a slim to nothing chace

49. ## Algebra

Telephoto lens. Use the formula from Exercise 67 to find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. (Section 6.7(1/f = 1/0 +1/i))

How do you find an accented syllable,every definition i look it has too many fancy words(I'm sick of it!) will anyone tell me how without becoming too confusing?Thank You-(Ace)

51. ## Math (excel formulas)

I am finding absolute and relative differences in excel. I have a compared value of 1.00 (D6) and a reference value of 38.50 (D6). I found the absolute difference to be -37.50 (D6-D9). For the relative difference I took the compared value of 1.00 (D6) and

52. ## china project

what were the natural resources in Early china's Ciliviations and how were they used. i need help, I cant seem to find this question. Please help me and thank you

53. ## Linear Algebra

In 3-space, a plane abc is spanned by three points a, b, c. The point x does not lie on this plane. I'm trying to find the formulas used to find the point p on abc with minimal distance to x. I know the point p must be perpendicular to the point p and the

54. ## math

please answer this question? Round off to the nearest half hour:14 hours and 54 minutes.

55. ## college

Assume that there are 16 frozen dinners: 8 pasta, 4 chicken, and 4 seafood dinners. The student selects 5 of them. What is the probability that at least 2 of the dinners selected are pasta dinners? I tried this:

56. ## math

Assume that there are 16 frozen dinners: 8 pasta, 4 chicken, and 4 seafood dinners. The student selects 5 of them. What is the probability that at least 2 of the dinners selected are pasta dinners? I tried this:

57. ## math

solve algebraically, express the roots in exact form 2sinxcosx-1=0 I got: 2sinxcosx=1 sin^2x=1 what do I do next? thanks in advance

58. ## sound language

what is pitch? what are the levels of pitch? what are some example of activities regarding pitch? nee your response as soon as possible...

59. ## stats

A researcher is designing a study to examine whether "talk therapy" (psychotherapy) can help people suffering from depression, as an add-on to taking medication. Finances and logistics limit her to having one control group, so she has to choose the best

60. ## stats

A researcher investgating depression devises a study that contains the independent variable "Treatment," manipulated between-participants. Participants may experience "psychodynamic therapy," "cognitive behavioral therapy," "medication," or "waiting list

61. ## Algebra

Is this right? Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline price in January 1997 was \$1.26 and in January 2006 was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31)

62. ## stats

The Title I coordinator for the district has been tasked with developing a plan to test two new intensive remediation programs for students with dyscalculia (like dyslexia, only numbers are the problem, rather than words!). The students are 60 8th graders

63. ## Eng. Ms. Sue

What does this mean? What would be a good reasoning behind this. Sometimes during therapeutic cloning stem cells have been mutated and then become rejected by the patients body.

64. ## English Writing

Does this sentence begin with a prepositional phrase: Across the fence the ball soared, and that's when you gave me the Wagner baseball card. Thanks

65. ## Math

how do you factor x^2+29xy+100y^2

66. ## English Writing

Can the word amazingly be used as a present participle at the beginning of a sentence: Amazingly more players aren't worried about how they affect children like that.

67. ## Math

how do you simplify 1.(8vv-2)(8v+2) 2. (3a-5)(3a+5)

68. ## Algebra

Is this right? Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline price in January 1997 was \$1.26 and in January 2006 was \$2.31 (Bureau of Labor Statistics, 2006). Use the coordinates (1997, 1.26) and (2006, 2.31)

5x + 2y = 7

70. ## eng. ms.sue

One of the disadvantages of theraputic cloning is that the vast majority of fertilized eggs do not develop. Why is this so? Sorry this is my last question for the night.

71. ## geology(science) i still dont understand

how the earths four subsystems interact with one another. In your response, identify one type of resource from each subsystem on which people depend. all i have so far is this.... the earths 4 subsytems are the following lithosphere, hydrosphere,

72. ## chem, balance

Gaseous CO2 decomposes to form the gases CO and O2. Will it be CO2--> CO+O2 or CO+O2-->CO2? I know the solution above isn't balanced yet. I just have add the 2 behind CO2 and CO to make it balanced.

73. ## algebra one

I need help with solving for y and x, for example in a problem like 3/2x- 2y= 20 how do you solve for y or x how do know what to subtract I need to know how to do this in order to do substitution please any help will be appreciated, thanx

74. ## biology

what is the seven taxa that identify Drosophila melanogaster? i cant find this anywhere.. thanks!

75. ## Sonnet 130 and sonnet 18

Hi, I'm doing some questions about comparing and contrasting sonnet 130 and sonnet 18. Could you help me with this one question I would appreciate it. Thanks The diction of this peom is much harsher than that of the previous poem. Why might that be and how

76. ## Chemistry: Molarity

4.82 mL of a 0.262 M NaOH solution reacts completly with 4.79 mL of HCl solution according to the balanced chemical reaction shown below: HCl (aq) + NaOH (aq) -> NaCl*aq) + H2O (I) What is the molarity of the HCl solution? 4.82 x (1L/1000 mL) = .00482L

77. ## science, biology

what evidence shows that the burning of methane is a chemical reaction?

78. ## science, biology

What about combustion reactions makes them different from either synthesis or decomposition reactions?

79. ## english

who is princess ktimene in odyssey book 15 cant find this

80. ## Statistics

A set of telephone lines is to be installed so as to connect between town A and town B. The town A has 2000 telephones. If each of the telephone users of A were to be guaranteed instant access to make calls to B, 2000 telephone lines would be needed. This

81. ## geology(science) does this sound ok?

write a 200-300 word description of how these four subsystems interact with one another. In your response, identify one type of resource from each subsystem on which people depend. this is what i said..... The earths 4 subsystems are the following

82. ## english

halo my question is why is a mentally handicapped person not like normal people thanks for the help

83. ## English

What are all the settings in "Frankenstein"?

85. ## math

convert these decimals into common fractions 0,33

86. ## english

hi again why is mentally retarded person not like a normal person is what i meant thanks again

87. ## Sonnet 130

What is the purpose of writing sonnet 130?

88. ## english

explain the proper way to brush your teeth. is this sentence expository,persuasive,or narrative prompts

89. ## Algebra

The sum of the charges of the quarks in a particles gives the overall charge of the particles. Two up quarks and a down quark make a proton, which has a charge 1. On the other hand, two down quarks and an up quark make a neutron, which has a charge 0. What

90. ## Sonnet 130(last question I promise)

Who is the audience?

91. ## Science

What is a word for when a gene pair blends together?

92. ## social studies

What three features do people use to describe weather and climate?

93. ## Math

Find the percent notation. 10/25=___%

94. ## Healthcare

What types of reform efforts are being implemented to improve caregivers socialization skills?

95. ## Math

Identify the percent, whole, and part in the following. 13 is 2% of what number of injections?

96. ## Math

Write the percent as a decimal. 43%=___

97. ## managerial economics

1. JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect

98. ## Math

Find the y- and x-intercepts for the equation. I have an idea what it might be, but want to be sure. I would appreciate the help! Thanks! f(x) = - 3 - 7x

99. ## Math

Find the percent using the percet proportion. 54 patients is what percent of 900 patients? The percents is___%

100. ## manegerial econimics

1 JQ sells ties and currently has sales of 1,200 units a month, producing a revenue of £36,000. It competes with KR, who is now considering a price cut of 25%. The PED for JQ is –1.5 and the CED between the two products is 0.8. a) Calculate the effect

101. ## chemistry

How can I determine which elements have higher first and second ionization energies than other elements? Also, how can I find the number of valence electrons from the electron configuration? Also, how can I use the electron configuration to find out what

102. ## Algebra

How do I find the slope and the y-intercept of the line: 10x=9y+45?

103. ## math (unanswered, previously posted)

A set of telephone lines is to be installed so as to connect between town A and town B. The town A has 2000 telephones. If each of the telephone users of A were to be guaranteed instant access to make calls to B, 2000 telephone lines would be needed. This

104. ## chemistry

CaCO2--> CaO+CO2

105. ## Algebra

How do I find the slope and the y-intercept of the line: 10x=9y+45?

106. ## physics

A flight attendent pulls her 78.6 N flight bag a distance of 344 m along a level airport floor at a constant velocity. The force she exerts is 44.8 N at an angle of 64.2 degrees above the horizontal. Find the coefficient of kinetic friction between the

107. ## DR BOB help plz ?

Methyl violet is an indicator that changes color over a range from PH = 0 to PH= 1.6. What is K(a) of methyl violet? ----------------------------------- i tried 10^-0.8 = 0.16 but thts not right .. can u plz chk ... Feedback Very close. Check the rounding

108. ## PHI 105

Assignment: Political Campaign Ads  Due Date: Day 7 [Individual] forum  Create a political campaign ad (a poster, a flier, etc.) for two political parties: one party that supports traditional moral and political philosophies and another party that

109. ## algebra 1

how do you factor completely 3(x - 2)^2 - 3(x - 2) - 6

110. ## Chemistry

calculate the pH at 0ml at the quivalence point and at 40ml in a titration of 25 ml of .120M formic acid with .105M NaOH (kA of formic acid= 1.8x10^-4)

111. ## chemistry

Here is a following practice question on my study guide. i have no idea on how to do it. Any help would be appreciated! Thanks you. A solution contains 26.5g NaCl in 75.0g H2O at 20 degrees Celsius. Determine if the solution is saturated, unsaturated, or

112. ## Behaviorl Science

Can you describe the characters’ personalities from the point of view of Jung, Freud, and Rogers.?

113. ## Algebra

How do I find the domain of the function: g(x)=2/2-7x?

114. ## Physics

You push an air-hockey puck along a surface with negligible friction while riding in a truck as it moves at a constant velocity in Earth's frame of reference. What do you observe? Why? I'm tempted to say that the puck moves forward because that's all I can

115. ## Physics

A forearm with a mass of 1.2kg supports a ball with a mass of 5.44 kg. The forearm is 0.050m long; it's perpendicular to the arm is 0.35m long, the center of gravity is at 0.15m from the elbow. Find the force exerted by rhe biceps and the force on the

116. ## math

tom's work is 18km away, he starts walking to work at 5:30. He walks 4km every hour. His work opens at 9:00 will he be on time? sue leaves home and ride her bike to work at 7:30. She rides 12km every hour. When does sue overtake tom. how far have they

117. ## Algebra

How do I write an equation of the line containing the given point and parallel to the given line.Express your answer in the form y=mx+b. (-5,3); 5x=7y+2?

118. ## chemistry

I have to find delta G from a problem. Not the standard free energy, from the change in engery. So this delta G does not have the degree sign above. The equation i used was deltaG=standard G+RTlnQ If deltaG was a positve number, what does that tell me. I

119. ## MATH

How do I round 14 hours and 54 minutes to the nearest half hour?

120. ## Organic Chemistry

How would you purify biphenyl contaminated with fluorene? What method and solvent would you use?

121. ## MATH

How to solve for time? total of 800 miles, driving an average speed of 55 mph?

122. ## history

What were some popular names of British soldiers during World War I? I can't find any helpful sites for this information...

123. ## Algebra

Can somebody help me find the slope? Examine the rise in gasoline prices from 1997 to 2006. The price of regular unleaded gasoline in January 1997 was \$1.26 and January 2006 the price of regular gasoline was \$2.31. (Bureau of Labor Statistics, 2006). Use

If I take 0 out of arithmetic then what do I have left mathematically? What is the name for the mathematics that does not have zero in it? Is this mathematics used in the real world?

125. ## bible charater

500 begins it 500 ends it 5 in the middle is seen first of all letters first of all numbers

126. ## Chem

There was this substance we used in a lab and I'm not quite sure what it is. It was a clearish, flaky, solid. It was brittle and insoluable in water. Does anyone know what it could be?

127. ## Physics

A daredevil attempts to swing from the roof of a 24m high bulding to the bottom of an identical building using a 24m rope. He starts from rest with the rope horizontal, but the rope will break if the tension force in it is twice the weight of the

128. ## Chem

Is sugar an ionic, a molecular or a network convalent substance?

129. ## Exp. Growth + Decay (HELP ME PLEASE!)

1. Suppose you invest \$1,000 in a CD that is compounded continuosly at the rate of 5% annually. What is the value of this investment after one year? two years? five years? A=1000(e^(.5x1)) = 1648.72 A=1000(e^(.5x2)) = 2718.28 A=1000(e^(.5x5)) = 12182.49 2.

130. ## physics

A solid aluminum ingot weighs 88.0 N in air.What is its volume?The ingot is suspended from a rope and totally immersed in water. What is the tension in the rope (the apparent weight of the ingot in water)? To find the volume would i do density/specific

131. ## Math

What is 7 times x over 2? 7(x/2-2)

132. ## part of speech

Which sentence contains an action verb? A. Mary works every day. B. She was lazy last year. C. Her dog seems fierce. D. Lynn is pretty. my answer is a

133. ## Algebra - check to see if correct

(a+7)/(a-4)+(9-5a)/(a-4) i got 6+40/a-4

134. ## Science(Biology)

Where in the human body is chromasome 17 located ( i mean like is it in the arm, leg, head). If possible, i would also like to know the comparison of normal and abnormal chroasome (when the abnormal is the alexander disease)

135. ## math

what is the antiderivative of the quare root of 2

136. ## PARTS OF SPEECH

Which sentence contains a verb in the simple past tense? A. She obeyed her father. B. She has obeyed her father. C. She obeys her father. D. She had obeyed her father.

137. ## Maths

5 people went to a meeting. To start off each person was asked to go around and introduce themselves to everyone there. How many introductions were made? Start with 2 then 3 people etc. looking for a pattern

138. ## Math

Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two

139. ## Science

Whats the source for the easterlies?

140. ## biology

What is the environmental influence of the alexander disease? If you don't know can you at least explain what that question means?

141. ## HELP ME pLEASE. DUE TOMORROW D:

Four friends set up a a camera so that it would take a photograph of the group standing in a lne. They argued about who would stand where, so decided to take a photograph of every possible arrangement of the 4 of them. How many photographs need to be

Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two

143. ## algebra 1

how do you factor 16x^4 - 40x^2 + 9 I don't understand how the factoring should go. When I think of a way to factor it it doesn't turn out right.

144. ## English

WHat is a spacific word for awful ?

How does a rainbow form?