# Questions Asked onApril 8, 2008

1. ## Accounting - Please check me

Indicate whether a debit or credit decreases the normal balance of each of the following accounts. Office Supplies- debit Repair Service Revenue- debit Interest Payable- debit Accounts Receivable- creditSalaries Expense- debit Owner Capital- credit Prepaid

2. ## Chem Help!

I really need help for my homework on how to write the balanced equation for the following reactions. 1) Sodium reacts with iron(lll)oxide to produce sodium oxide and iron. Type of reaction: Balanced Equation: 2) Hydrogen bromide forms from hydrogen and

3. ## science

at what speed did a plane fly if it traveled 1760 meters in 8 seconds

4. ## physics EM

Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 167 cm, but its circumference is decreasing at a constant rate of 10.0 cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of

5. ## Algebra 1

Is each equation a direct Variation? If it is, find the constant of variation: y=3/5x -3x+2y=0 -5x+2y=9 8x+4y=12

What are the benefits to Britain, Sweden, and Denmark of staying out of the euro zone? What are the potential costs? Do you think these countries will eventually join the euro zone? Under what circumstances will they join?

7. ## Physics

True/False 1)Specular reflection obeys the laws of reflection while diffuse reflection does not. False. drwls said its true but I disagree can you please explain. 2)A convex lens is used to obtain an enlarged virtual image. True.

8. ## Physics(Thank you)

1)Which of the following objects can set fire to a piece of paper in the presence of sunlight? A)doulble concave lens B)convex lens C)convex mirror D)concave lens B, convex lens 2)What happens to a path of a light ray parallel to the principle axis, after

9. ## CHM 157

calculate the lattice energy of CaO

10. ## Law

Where can I find info to answer this question? Which of the following is true concerning alterations made to a deed in the United States? A: All alterations made to a deed are considered forgery B: Only three words are allowed to be altered on a deed C:

What is corporate governance? Did the Sarbanes-Oxely Act of 2002 improve corporate governance? Why or why not?

What are the benefits to Britain, Sweden, and Denmark of staying out of the euro zone? What are the potential costs? Do you think these countries will eventually join the euro zone? Under what circumstances will they join?

13. ## Physics

True/False 1)The lens of the eye has a fixed focal length. False. 2)What must be the minimum height of a plane mirror so that a boy of height 162 cm can view himself from head to toe? 162 cm. The image formed in a plane mirror is the same size as the

14. ## Physics

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) image

15. ## Physics

1)An object of height 4 cm is placed at a distance of 20 cm from a convex lens of focal length 10 cm. Find the nature of the image. 1/f=1/d1+1/do d1=fdo/do-f (10)(20)/20-10 d1=20 m=-(20)(4)/20 -4 or 4 away answer: real, inverted 2)Light passes from air

16. ## Physics

1)At least_____ light rays are required to locate the image formed by a lens. 2 2)What is the nature of an image formed by a concave mirror of focal length 10 cm for a real object placed 3 cm from the mirror? Real and inverted

17. ## Geography/Maths

What is the difference between geographic midpoint and the midpoint calculated by halving the distance between two cities? Also, is Georaphic midpoint significantly different that the average longitutdes and latitutdes of two different locations?

18. ## psy - Ms. Sue

what are some of the ways that psychologists attempt to explain human behavior?

19. ## chemistry

Given the equilibrium system PCl5(g) PCl3(g) + Cl2(g) K = 12.5 at 60 degrees Celsius. A 1.0-L reaction vessel is analyzed and found to contain 3.2 mol Cl2(g), 1.5 mol PCL3(g) and 3.0 mol PCl5(g). Show that the reaction mixture has not yet reached

20. ## us history

Under the platt amendment, the united states________. a. promised to stay out of the internal affairs of Cuba b. revoked the protectorate status of cuba c. gave cuba independence, under restrictive conditions d. acquired the island of Jamaica and Puerto

21. ## science

what force is required to accelerate a body with a mass of 15 kilograms at a rate of 8 m/s2

22. ## Social Studies

Which dynasty may be the first real dynasty but there is no proof that it existed? I think the answer is Pharanic dynasty. Is this correct???

23. ## Physics repost

1)An ____ lens is used to produce a real image. A)convex B)concave C)plane D)diverging The link you gave me confused me b/c the closest thing I could find was convex. and you said concave mirrors produce virtual images. but the question doesnt ask for

24. ## Math

how to change a mixed number like 1 1/5 into a percent?

25. ## Science

what is the cell's hereditary material?

26. ## chemistry

1)Does the solubility of borax in water increase or decrease as temperature increases? 2)Is the solvation of borax in water an exothermic or endothermic process? please help ive tried asking my ta but i cant understand him. he explains it through this

27. ## chemistry

Lab: Determining Ka of Acetic Acid Purpose: The purpose of this experiment is to determine the molar concentration of a sample of acetic acid and to calculate its Ka. Materials: phenolphthalein 125 mL Erlenmeyer flask 25 mL pipet and bulb pH metre acetic

28. ## chemistry

Calculate the xolubility of calcium sulfate in 0.010 mol/L calcium nitrate at SATP CaSO4 ==> Ca^+2 + SO4^= Ca(NO2)2 ==> Ca^+2 + 2NO3^- = 0.01 M Ksp CaSO4 = (Ca^+2)(SO4^=) = ??. Look up Ksp for CaSO4. Subsitute 0.01 for Ca^+2 and x for SO4^= and solve for

29. ## Economic DQ's

3. You have been hired by the government as an economic statistician and given the job of calculating the CPI (the chili price index, not the consumer price index). According to the government's official recipe, the ingredients for a batch of chili are: 3

30. ## Health

I am looking for a web-site regaurding medical coding such as what is the code for chronic apical periodontitis etc thanks for the help

31. ## mathematics

What is the difference between an interpolated point and an extrapolated point? What assumption is interpolation and extrapolation based on? Which technique is more prone to error?

32. ## language

The Odyssey - characteristics The proagonist is heroally larger than life, often the source and subject of legend or a national hero.

33. ## math

how do you determine a z-score

34. ## science data

What is the difference between an interpolated point and an extrapolated point? What assumption is interpolation and extrapolation based on? Which technique is more prone to error?

35. ## french

If i want to say "Is the professors are reasonable or difficult?" is it "les professeures sont raisonnables ou difficiles?" or "les professeures sont-ils raisonnables ou difficiles?" Which one is correct? Do you have to include sont-ils? Is it also correct

36. ## Ethics

Why is adherence to ethical standards important for the smooth functioning of an advanced market economy?

37. ## Dr.Bob

I was wondering if I'm synthesizing a product in the end. I shouldn't put the end product of each reaction on the front page as well right?

38. ## Algebra 2

An orange grower finds that she can get an average yield of 40 bushels per tree when she plants 20 trees on an acre. Each time she adds a tree to an acre, the yield per tree decreases by 1 bushel, due to congestion. How many trees per acre should she plant

39. ## Math

I am doing Direct Variation in math. I don't understand how to do it. It would be very helpful if you helped me with these problems: Is each equation a direct Variation? If it is, find the constant of variation: y=3/5x -3x+2y=0 -5x+2y=9 8x+4y=12

40. ## Algebra 2

Find the dimensions and area of the largest rectangle that can be inscribed in a right triangle whose sides are 9cm, 12cm, 15cm. Use quadratic functions to solve.

41. ## DNA genotype

) In the example above, the Punnett Square represents a cross (mating) between a male (on the left side) with blood type AB, and a female, (top of square), with blood type A, genotype Ao.

42. ## math

I am having a hard time with fractions. Need some help with 2 1/4 - 7/8 =

43. ## Algebra 1

-3x+2y=0 -5x+2y=9 8x+4y=12 Is each equation a direct Variation? If it is, find the constant.

44. ## Algebra 1

The ordered pairs in each exersise are for the same direct variation. Find each missing value. (-2,8) and (x,12) (4,y) and ( 16,12)

45. ## SCI

some specifics in treating gas and bloating? What are some home remedies that can be used to treat both?

What are the implications of the establishment of the euro for (a) European consumers, (b) businesses based in the EU, and (c) businesses based elsewhere in the world?

47. ## social studies

Look at the relative performance of the euro against the dollar since 2000. What does this tell you, if anything, about the viability if the euro?

What are the implications of the euro gaining ground at the expense of the U.S. dollar as a major reserve currency for the world's central banks?

50. ## geometry

I need to find the perimeter of square that has a semicircle (located inside of the square) with a radius of 10 in and it appears that the square is 10 inches as well. I tried the equation 1/2*3.14*10= 15.7, but I don't think it is correct please help!!

51. ## u.s.history

What is the significance of 13 days

52. ## AP Chemistry

Could you please check my work and let me know if my answer is correct? I don't have a solutions guide and I want to make sure I'm really comprehending the material. Calculate the # of grams of barium flouride that will dissolve in 2.50 L of pure water at

53. ## chemistry

Hi there, ok, my question stated "Use information from acid/base table and the value of Kw t ocalulate the base ionization constant, Kb, of the following bases: a)hypochlorite ion b) nitrite ion c) benzoate ion I looked at my acid/base table but it only

54. ## u.s.history

Why did the soviet union feel that it was necessary to place nuclear missile in cuba? In what Asian country did the u.s. place nuclear weapons that could fire on western Russia? What waas the significance of the u-2 flight? Why did Kennedy issue a

55. ## Algebra 1

(x,8) and (6,-16) (3,y) and ( 9,15) (2,y) and (10,15) The ordered pairs in each exersise are for the same direct viration. find each missing value.

56. ## SOCIAL STUDIES

NAME A MONARCHY

57. ## Ksp/Ka Questions-Chem

I really don't understand how to set this up. Any help is really appreciated! I really don't quite understand how to set up a caluculation to figure out whether a precipitate will form and i'm struggling with the second half too! When 25.75 mL of 0.00826 M

58. ## Calc

A person deposits money into a retirement account, which pays 7% interest compounded continuously, at a rate of \$1000 per year for 20 years. Calculate: a. The balance of the account at the end of 20 years b. the amount of money actually deposited into the

59. ## physics

1) You plan to build a large, cheap cyclotron using the Earth's magnetic fields(1x10^-4 T) and orbiting just above the Earth's atmosphere (radius 5.7 x10 ^6 m) What energy, in volts, should protons be given to just circle the earth? q= 1.6 x10^-19 C, m=

60. ## English

I'm currently reading "Botany of Desire" and there are a couple questions that i'm unsure about. please help me because i'm very bad at critical reading. 1. why did Pollan find Chapman so significant to the history of the United States? 2. How does Bill

61. ## Math

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392

62. ## writing

i'm suppose to find at least 50 sources for my paper...i'm wondering which sites are the good ones??? i'm researching about rice and must find its problem. thanks

63. ## Math

Which group of decimals is ordered from least to greatest? A. 5.6,5.9,5.09,5.96,5.136 B. 0.112,1.012,1.3,1.0099,10.12 C. 2.8,2.109,2.72,2.1,2.719 D. 0.132,0.23,0.383,0.3905,0.392

64. ## precal (log)

3^(log3(4x)) thank u

65. ## Physics

I just did a lab on potential difference/voltage, resistance, and current. What would be good title for my lab? Thank You.

66. ## calculus

hi I posted this question earlier: what is the median waiting time for f(x)=((1/8)e^(-x/8))? I said the answer was 5.55 is this correct? thank you! and somebody helped me find the mean, but i was wondering if this was the right median. thanks

67. ## calculus

how would you find the median of a pdf picture it basically is a triangle with points (0,0) (6,.2) (10,0) I found the centroid, or where all the lines from the vertex to the middle of each side intersect and found the intersection of all three lines to be

68. ## CHEM-KSP/KA PROBLEMS

really don't quite understand how to set up a caluculation to figure out whether a precipitate will form and i'm struggling with the second half too! When 25.75 mL of 0.00826 M lead II nitrate is mixed with 75.10 mL of 0.0183 M sodium chloride solution,

69. ## dog behavior

please check answer thanks Modeling is a training technique that involves A. providing one dog as an example for another dog to follow B. giving positive reinforcement for correct behavior C. using dependent and independent variables in an experiment D.

70. ## Physics

1)A beam of light passes from air to ethanol, with index of refracton of 1.36. If the angle of incidence ( 1)is 30.0 d/C, then calculate the angle of refraction, after light passes through ethanol and enters into air. sin-1((1.0003/1.36)sin30.0 21.6 d/C

71. ## bio?

what does Hypothyroidism have to do with sperm production?

72. ## dog behavior

pleae check my answer thanks Latent learining becomes evident when... A. a puppy grows up B. the animal is motivated to perfrom C. a dog has failed with trial and error method D. a dog experiences social faciliation I picked C

73. ## C++ Programming

#include #include #include int main ( ) { double noe, nod, dc1, dc2, dc3, dc4, t; cout > noe; nod = noe / 12; dc1 = .50 / 12; dc2 = .45 / 12; dc3 = .40 / 12; dc4 = .35 / 12; cout.setf(ios::fixed); cout.precision(3); if (nod > 4) { goto 1; } if (nod = 4 <

74. ## chemistry

When referring to percent ionization values given in a acid/base table, how to determine what is the hydrogen ion concentration of a 0.10 mol/L solution of hydrofluoric acid?

75. ## Geography

The many islands that stretch from Florida to Venezuela are referred to as the? Thanks!!!!

76. ## College Calculus (Binomial Series)

Expand f(x) = (x+x^2)/((1-x)^3) as a power series and use it to find the sum of series (SUM from n=1 to infinity) (n^2)/(2^n) PLEASE HELP.

77. ## medical coding

How many codes are needed to correctly code accidental poisoning by consuming noxious mushrooms ? I can't seem to find the answer is there a web site that might be able to help me thanks

78. ## science

what is the name of the force that slows the boat down

79. ## us history

1. In 1916, the US sent a military force into Mexico ---------------TRUE? (confused about the date, is it 1914?) 2. A major shortcoming of the progressive movement was its failure to address the issus of _________. a.racism b. woman's suffrage c.

80. ## grammar

I have to do thirty problems in which I must find the subject, verb, direct object, indirect object, predicate nominative, and predicate adjective. In a nutshell, I am completely lost, can you help?

81. ## US history

q. Once be became president, Woodrow Wilson, a progressive, was a vigorous opponent of racial segregation. ---------------------False? I know that Woodrow Wilson was a progressice but not sure if he was a vigorous opponent of racial segregation.

82. ## chemistry

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.520. If a trial's absorbance is measured to be 0.275 and its initial concentration of SCN– was 0.00060 M, what is the

83. ## Physics repost

1)A 5.0 cm real object is placed at a distance of 5.0 cm from a concave mirror of focal length 10 cm. Find the size of the image. di= -10 magnification = |di/do| magnification = |-10/5.0| magnification = 2 image size = (object size)*(magnification) image

84. ## poetry

i need a strong line to end this poem any ideas??? Crayons are imaginations, Always creating something new. They scribble and draw With so many colors, Too many to choose. The sky doesn’t have to be blue. Crayons are creativity, Making whatever you want.

85. ## us history

When Hawaiians announce their intention to end foreign influence on the islands, Ameerican business helped to start a revolution in 1893 to topple the government. ----------------------False? My us history book only talks about foreign influence when

86. ## chemistry

is it better to describe a buffered solution as resisting or preventing all changes in pH? why?

87. ## physics

Consider a long wire where the current density is not uniform but instead increases as you approach the center of the wire, so that at a distance r from the center the current density is J(r)= I/ 2PiRr. Find the magnetic field strength both inside and

88. ## Science

What might happen to a inflated ballon if you take it up a mountain?

89. ## trig

If a = 5 cm and b = 3cm, use the Pythagorean Theorem to find c

90. ## trig

Work out the following identities a)sin pheta / cos pheta b)tan pheta cos pheta

91. ## trig

If a triangle has angles 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle?

92. ## trig

Find all angles of a right triangle RST given that r = 18cm and s=20 cm

93. ## Science

What happens when a paramecium bumps into a cotton fiber?

94. ## math

solve the pair of simultaneous equations y=x+2 y+x^2

95. ## trig

A geologist stands on the shore of a lake in Ontario with a theodolite and finds that the angle of inclination to the top of a distant rock pillar is 28.5 degrees. He then walks 10 m along the shore at a 90 degree angle to his measurment, and finds that

96. ## trig

Perform the basic conversion. Give exact answers i)0 degrees = ____ rad ii)90 degrees = _____ rad iii)180 degrees = _____ rad iv)30 degrees = _____ rad v)45 degrees = _____ rad vii)60 degrees = ______ rad viii)135 degrees = ______ rad viiii) 120 degrees =

97. ## chemistry

Is it possible for this equation 2C + D = E + F to have a rate law of rate = k [C]^2[D]^3

98. ## us history

1. The early social legislation of the first part of the 1900's was designed to improve the a. lives of farmers b. social rank of immigrants c. conditions of wage earners d. wealth of business owners. --------------------C? it's not D because Woodrow

99. ## us history

All the following contributed to American imperialism after 1890 EXCEPT___________. a. the closing of the frontier b. the desire for gold in Alaska C. industrialization D. Support for a strong navy ________________________A? Imperialism means the policy of

100. ## biology

What are the cause of sickle cell disease?how does it occur?is it preventable?how?

101. ## Physics

You plan to build a large, cheap cyclotron using the Earth's magnetic fields(1x10^-4 T) and orbiting just above the Earth's atmosphere (radius 5.7 x10 ^6 m) What energy, in volts, should protons be given to just circle the earth? q= 1.6 x10^-19 C, m=

102. ## Science

The alternation of generations is found in all plants. What does this suggest about the origin of all plant?

103. ## Social Studies

Congo and Gabon won their independence from what European country? What west african country has the largest population in africa? What is nigeria's major mineral resource and largest export (same thing)?

104. ## History

What is the offical name of modern china?

105. ## Teacher approach

When I entered the art room, the students were painting but there was very little student-teacher interaction. The teacher examined the students work but was not providing them with feedback. I was, in a way, disappointed at the teacher’s role; however,

106. ## math (repost)

y =x+2 y =x^2

107. ## geometry

The simplests example of a magic square is a 3 by 3 grid. The tasks is to place the numbers 1-9 in the grid, on number per box using each number exacely once so that the sum of three in a row in and direction is the same. can you help?

108. ## chemistry

Assuming pressure and temperature remain constant, what happens to the volume of a gas if the number of moles of gas is increased (gas is added)? 1) Remains the same 2) Cannot be determined 3) Increases 4) Decreases

109. ## Economics-Tax Question

I know the answer to the following question is either (c) regressive tax augement or (d) the ability-to-pay principal. I am not sure which one? "A \$1,000.00 tax paid by a poor person may be a larger sacrifise than a \$10,000 tax paid by a wealthy person" is

110. ## chemistry

Hy Dr Bob222 this will be the last time I will bother you about this type of question. Can you please tell what I am doing wrong? This is the best answer I could come up with: Question: Strychnine, C21H22N2O2(aq) is a weak base but a powerful poison.

what is the managers responsiblities in creating a sucessful organization.

112. ## Music

Since absolute forms such as the symphony and the concerto generally have no program, in your opinion, what gives them their sense of shape and meaning?

113. ## psy - please revised

what are some of the ways that psychologists attempt to explain human behavior? One of the major debates within the field of Psychology is the degree to wich nature versus nurture shapes human behaviors and traits. What comprises our nature? How would you

asked by rose - Ms. sue
114. ## precal log

log(3)324-log(3)12 thank u

115. ## biology

Would you classify protists as chemotrophs or phototrophs?

116. ## Health

What are some international and nation public health services that someone could volunteer at?

117. ## computers

I need help finding information on Topology and the four principals... bus, ring, star and tree.

118. ## Chemistry

When a good indicator has been chosen, the pH at which the solution changes color is very close to the equivalience point of the titration. If this "point" for a particular titration occurs at pH x, a good indicator for the titration would be indicator. X

119. ## Chemistry

what is the pH of a 0.10 M NH3???

120. ## health

I need to develop a plan for a helth unit on "What makes us grow?"based on a class of 15 children.Can you help?

121. ## chemistry

how would i do something like this? Calculate the concentration of borate ion for each titration. Use the borate ion concentration to determine Ksp at each temperature.

122. ## algebra

350 increased by 7%

123. ## algebra

1. The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000/(200-2x). a. What is the cost to remove 75% of the pollutant? C=6000/(200-2(.75)) C=6000/(200-1.5) C=6000/198.5 C=30.2 Is this correct? This is stumping me to: For

124. ## math

I don't get this SAT Question of the Day. The population of Norson, the largest city in Transitania, is 50 percent of the rest of the population of Transitania. The population of Norson is what percent of the entire population of Transitania? The answer

125. ## ethics

What role did civil disobedience play in the Civil Rights Movement?

126. ## ethics

what are some civil right's leaders contributions?

127. ## ethics

What are some civil right's leaders Organization and/or Cause?

128. ## english

what follows a linking verb or a action verb. the simple tense of verbs. follows a preposition. sometimes called the simple predicate.

129. ## algebra

To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. a. Write an equation using only one

130. ## Algebra

To estimate animal populations, biologists count the total number of animals in a small section of a habitat. The total population of animals is directly proportional to the size of the habitat (in acres) polled. Write an equation using only one variable

131. ## Lang Arts

I am studying conjuctions, interjections, punctuation and capitalization ...I need to decsribe the itlicized word as a noun, pronoun, verb, adjective, adver, preposition, conjuctions or interjection;; She was born into a wealthy New York family that placed

132. ## language

correct term for the lonely lion liked to like lollypops

133. ## algebra

92 decreased by 4%

134. ## algebra

How do i use a calculator to figure exponents. Example: 1.022 to the 50th power.

Please check my answer thanks True or False The term malignant, when used in reference to hypertension is a treatable cancer I said True

136. ## Health

Where can I find info on the first thing you have to do to code a patients diagnosis ? Thanks for the help?

Please check my answer The term neoplasm refers to what ? A. invasive carcinoma B. malignant growth C. growth of a tissue D none of these I say it's B

Please check my answer thanks True or Faslse The term used to describe why medical treatment is necessary is procedure I say False

139. ## Health

What does it mean when you find a three -digit code highlighted in the Tabular list ? where could I get some information on this thanks

140. ## Algebra

How do you convert money to pecent?

141. ## language

term for the butterfly flew across the sky like a ballerina on stage

142. ## language

term for katie was strict stoic and stalward

143. ## language

term for sean inherited boatlaods of mony

144. ## language

term for i believe ill have just another crumb of that lemon cream pie

145. ## language

many people think susan is an angel

146. ## language

term for his garish outfit screamed for attention

147. ## Math

Carlos has the slow to go hiccups. When they started, he hiccuped after 1 minute had elpased, then again after 2 minutes, again after 4 minutes, next after 8 minutes, and so on. How many total hiccups did he hiccup in the month of April if they began 12

148. ## language

term for the old car hissed rumbled and popped as it went down the road

149. ## science

what are environmental benefits and challenges of urbanization?

150. ## language

she smiled like a toothless baby a simile or meaphor or neither