# Questions Asked onDecember 3, 2008

1. ## help plzzz

ALGEBRA PIZZAZZ: IN MUSIC, WHAT DOES "ALLEGRO" MEAN?

2. ## chemistry

how many grams of glucose are required to produce 50mL of 0.1 m solution?

3. ## Science, Chemistry

I have been told that to prepare 1L of 70% H2SO4 from concentrated sulphuric acid (96% with density 1.84g/ml), I should use the following equation to find out the volume of conc. acid needed (Vml). V x 1.84 x 0.96={(1000-V)+ 1.84V}0.7 i.e. V= 594ml of conc

2. A .12 kg ball is moving at 6 m/s when it is hit by a bat, causing it to reverse direction and have a speed of 14 m/s. What is the change in the magnitude of the momentum of the ball? 4. Lonnie pitches a baseball of mass .2 kg. The ball arrives at home

5. ## 12th Calculus

water drains fromteh conical tank shown in the figure at the rate of 5 ft^3/min. a. what is the relation between the variables h and r? b. how fast is the water level dropping when h =6ft?

6. ## Chemistry pls help

I have a chemistry question Please advise how do I prepare 1L of 75% H2SO4 from concentrated H2SO4 (98% of density 1.84g/ml)? Do you have an equation which i can use? Someone gave me the following equation but I do not understand it. Vx1.84x0.98={(1000-V)+

7. ## Chemistry

When sulfuric acid is added to magnesium nitrate, is the resulting product soluble or insoluble in water? Does a precipitate form? I think that the product is insoluble, and no precipitate forms. Is this right? The part I'm most unsure about is whether or

i need help making an acronym for A-S-T-C i need it to be funny... i cant think of anything! help!

9. ## Animal Farm by George Orwell

We're reading Animal Farm by George Orwell, and I have a worksheet for ch. 8 to go along with it. There are two questions I don't understand, however -- can someone help me? Thanks! :) 2. Squealer's Sunday morning revelation of the increased production

10. ## Accounting

Calculate the future value of the following: o \$5,000 compounded annually at 6% for 5 years o \$5,000 compounded semiannually at 6% for 5 years o \$5,000 compounded quarterly at 6% for 5 years o \$5,000 compounded annually at 6% for 6 years • Answer the

11. ## calculus

You are planning to close off a corner of the first quadrant with a line segment 20 units long running from (a,0) to (0,b). Show that the area of the triangle enclosed by the segment is largest when a=b. Can anyone please give me some ideas to do

12. ## Chemistry

If I added sodium carbonate to magnesium nitrate, would it be insoluble & a precipitate forms? If I added sodium carbonate to calcium nitrate, would it be insoluble & precipitate forms? Adding sodium carbonate to strontium nitrate: insoluble, precipitate

(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into

14. ## physics

A(n) 840-kg dragster accelerates on a race track from rest to 85 km/h in 0.90 seconds. (a) What is the change in momentum of the dragster? (b) What is the average force exerted on the dragster? (c) What exerts that force?

15. ## 12th Calculus

the volume of a cube is increasing at the rate of 1200 cm^3/min at the instant it edges are 20cm long. at what rate are the edges changing at the instant?

What is true about fossil fuels? B. Three fourths of Earth's known oil reserves have already been used. C. the rate at which fossil fuels are used are decreasing. both of them can be true.

This is concerning Ecology. Question: You turn on a light and observe cockroaches scurrying to dark hiding places. What have you observed? A. taxis B. learned behavior C. migration D. visual communication E. operant conditioning I have already crossed out

18. ## spanish

Question: Para cuanto tiempo vas a estudiar para la Prueba de espanol? Answer: Yo estudio para la Prueba de espanol depues escuala IS MY ANSWER OKAY Question: Que vas a comprar para tu mama/tu hermano,a/tus amigos para Navidad, Hanukkah Answer: Yo compro

19. ## math

What is the unit rate for... 343.8 mi. on 9 gallons (round to the nearest tenth if necessary)

20. ## chem-help

Use the following information to identify element A and come pound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a

21. ## geometry

how do u find the missing angle of a right triangle where the the sides are 3,4,5 and its angle inside is a 90 degree angle

22. ## History

Why is the Hudson river so important to America history?

23. ## Calculus

limit as x-> 0 (1+sinx)^(cscx) How do I show that this is indeterminate? Can I say that 1^(1/0) = 1^infinity?

Letter to the editor: “Once again the Park Commission is considering closing North Park Drive for the sake of a few joggers and bicyclists. These so-called fitness enthusiasts would evidently have us give up to them for their own private use every last

25. ## BUS 210

Describe a business scenario, either real or fictional, that depicts each of the following forms of business organization: Joint-stock company, Limited liability company, Partnership, and Sole proprietorship.

26. ## College Algebra

A rectangular dog pen is to be made to enclose an area of 144 sq. ft. The pen is to be divided into 2 equal sections by a section of the fence. Assuming a total of 400 sq. feet of fence, find the dimensions of the pen that will require the least amonut of

27. ## math

A 5 pound can of coffee costs \$6.75. What is the “final cost”, the “unit”, and the “rate”?

28. ## AP BIOLOGY

I have a quiz on genetics on friday in AP Biology and I would like some sites with good ap biology questions on them. I don't know any of them which I could go to.

29. ## Chem. Could someone check my answer.

(1) To make NaTcO4, Tc metal is dissolved in nitric acid to make HTcO4, NO2 and H2O. Then the product HTcO4 is treated with NaOH to make NaTcO4. If you begin with 4.5 mg of Tc metal, how much of NaOH (in grams) is required to convert all of the HTcO4 into

30. ## Environmental Science

describes environmental benefits and challenges of urbanization. In your own words, include descriptions of two 1996 award winners, discussing how they overcame one of the challenges mentioned in your presentation.

31. ## Math

Ted and Ben took part in the same race. When Ted finnished the race in 25 min., Ben had only run 5/8 of the distance. Ben's average speed was 75m/min SLOWER than Ted's. What is Ted's average running speed? Speed=Ditance/time

32. ## english

Fill up the blanks with correct conjunctions.1.His footslipped------he fell down with a thud.(and/but/or}.2.we'll haveto wait for a while ,----the waiting room is quite comfortable.(and/or/but).

33. ## Intermediate Algebra

Solve: x2/3 - 7x1/3 + 12 = 0 a^2 - 7a + 12 = 0 (a-4)(a-3) = 0 a = 3 2 = 4 x = 27 x = 64 Is this correct?

34. ## math

Italian Currency: Euro Currency exchange: 1.42 us dollars to 1 Euro If a product costs 4.00 in the US, then how much will it cost in Euro's?

35. ## psy 210

What are some of the characteristics of a Type A personality? How could having a Type A personality affect a person’s reaction to stress? What would you view as some advantages or disadvantages of a Type A personality?

36. ## Chemistry

How does a ionic bond form?

37. ## English

How are you? Not so well. Not so good. Not so fine. Not very good. Not very well. Not very fine. Not too good. Not too well. Not too fine. (Can we use all the expressions as the answer to 'How are you?' Would you correct errors?)

A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original

39. ## College Algebra

I need a little help with this problem. P(x)=2x^4-17x^3+47x^2-58x+24 (A) Find all possible candidates for real zeroes. I got +-1, +-2, +-3, +4, +-6,+-8, +-12, +-1.5, +-.5, and +-24. Then I have to find all real zeroes. I tried all of the possible

40. ## Evolutionary Psychology

Testosterone has been associated with a willingness to take risks, engage in aggression, and over estimate one's chances of success. Sustaining high level of testosterone has health costs, and is one of the reasons why men live shorter lives than women

41. ## chem

A piece of lithium metal with a mass of 3.25g reacts with sufficient hydrochloric acid in a closed flask containing 235 mL of air originally at 0.991 atm and 18 C. The heat released in this reaction raises the temperature to 41.0 C inside the flask. a)What

42. ## calculua

consider the integral (4x^2+2x+4)dx from 0 to 6 Find the Riemann sum for this integral using right endpoints and n=3 and Find the Riemann sum for this same integral, using left endpoints and n=3

43. ## Math

A has 50% of the money B has. B has 80% of the money that C has. If C gives \$180 to A, C will have the same as B. How much money do each of them have?

44. ## calculus

Use the Midpoint Rule to approximate the integral (5x-9x^2)dx from 6 to 15

45. ## health and disease

What are some main disease focus for health people 2010

46. ## physics

A microphone is located on the line connecting two speakers that are 0.546 m apart and oscillating 180degrees out of phase. The microphone is 2.00 m from the midpoint of the two speakers. What is the lowest frequency that produces an interference maximum

47. ## French

Using the French Alphabet, write out the capital of French speaking countries that are spelled below. bay-euh-air-enn ell-ew-eeks-euh-emm-bay-oh-ew-air-zhjay I can't figure these out. Can you help? Maybe get me started?

48. ## chem

which of the following could be used to dissolve a carboxylic acid into the aqueous phase? a)MgSO4 b)1.5 M HCl c)1.0 M NaHCO3 d)2.0 M Na2SO4 e)saturated NaCl I'm leaning towards choice e because you can have an aqueous solution of sodium salt and a

49. ## Sentencing

Do you agree or disagree with the argument that crime seriousness and prior criminal records are not legally relevant variables? Many agree, many disagree, I would like to hear more opinions and why? I agree. Prior crime does not equate to current crime.

50. ## Calculus

series n=1 to n=inf 4/(n^2 - 36) what happens when n=6 and there is 0 in the denominator? do we just skip it?

51. ## History

What is the elevation of the following areas in feet? Buffalo Mt. Marcy, Albany, Rochester, Binghamton, and Long Island

52. ## Math help!

I need help with this question:, 0.7% of what is 0.56? Please write down the steps on how you got the answer to this question?

53. ## math

how to symplifly fractions

54. ## math

Which is more probable rolling an 11 or rolling a 16?

55. ## Critical Thinking

Week 2: DQ #2 Credibility Due Thursday Read the following discussion question response written by Owen, a fictional Axia student. Identify areas of vagueness and ambiguity and discuss how you could clarify the email’s message using the writing principles

56. ## geometry

what does it mean when the scale factor (ratio) of the actual object to its model is less than 1? ; greater than 1?

What is true about petroleum? A.Petroleum accounts for most of the energy produced in the world. B. Petroleum fuels most cars,airplanes,trains, and ships. C. The United States consumes a third of the oil produced in the world. D. Three percent of thw

58. ## English

1. What's the matter? 2. What's worry? 3. What's the worry? *Which ones are correct? Between 2 and 3, which one is correct?

59. ## Environemtal science

I need help with creating a 7-10 slide powerpoint presentation that describes environmental benefits and challanges of urbanization. I have no idea what i am suppose to be doing. I have to include descriptions of two 1966 awards winners, dicussing how they

The smidget is a tiny mammal whose sex (like humans) is determined by the presence/absence of a Y chromosome and whose dosage compensation mechanism is just like humans as well. But, this mammal differs from humans in having only two of its thousands of

61. ## Game Theory

Policy makers in Washington, D.C., face a dilemma. On the one hand they can try to pressure the Iraqi government into trying to disarm the militias. If the effort to disarm the militias succeeds, this might put an end to the sectarian violence and bring

62. ## One more math help!

I need help trying to answer these question: 83 1/3% of what is 13.5?

63. ## English

Does anyone know a link to a site that has a list of adjectives starting with the different letters of the alphabet? I have used one before, but I forget its name. I need an adjective that starts with "s," to go with sisters who don't get a long. My title

64. ## Spanish

Question: Para ti, cual es la clase mas dificil en Harvard. MY ANSWER: Para me, Nunca clase es mas dificil in Harvard. IS THIS CORRECT

65. ## trig

how do i do this? give the signs of the six trig functions for each angle: 74 degrees?

66. ## pre-calculus

convert the numbers to polar form and then divide.leave the answer in polar form. 10-10i/3root3+3i

67. ## s.s

What was the main argument of the Antifederalists against the Constitution?

68. ## s.s

Why did Congress add the Bill of rights?

69. ## math 10 AP

How do you completely factor 64x-x (the -x is to the power of 4)

70. ## science

what 4 contributions did Galileo make to our understanding the solor system? i know one was the telescope the other he found 11 moons on jupiter whatare the other 2

71. ## human resource

I am writing a paper on this subject and I need help can someone please help . Introduction – Performance Management Process II. Purpose of Employee Performance Appraisals a. Evaluating employee’s skill levels b. Feedback Opportunities i. Employee

72. ## us history

were immigrants lived ad worked during the 1920's

73. ## Math

At the beggining of the day some small eggs and some large eggs were on sale at the ratio 3:2. At the end of that day, 260 small eggs and 1/2 of the large eggs were sold. The ratio of the remaining small ones to the remainig large ones became 2:5. How many

74. ## math

one more I really do not understand this one Describe an application for the use of ratios or proportions that is or could be useful in your daily life.

75. ## Intermediate Algebra

Solve x^2 + 3x + 3 = 0 -1 +- sq.rt 1-4 (1)(3) -1 +- sq.rt 1-12 = -1 +- i sq.rt 11/2 Is this correct?

76. ## com 220

Students should follow the steps in Finding, Evaluating, and Utilizing Information to complete a general search for reliable sources: (1) What is the purpose and affiliation of the organization or author related to the article? (2) What are the author’s

77. ## Genetics

The smidget is a tiny mammal whose sex (like humans) is determined by the presence/absence of a Y chromosome and whose dosage compensation mechanism is just like humans as well. But, this mammal differs from humans in having only two of its thousands of

78. ## art

how can the social, political or economic conditions alter the nature and meaning of art

79. ## Math help again...

I'm trying to set up the problem to this question, but for some reason I am confuse and can't answer this question: 1) During a quality control test, Micronics found that 24 computer boards were defective. This amount was 0.8% of the computer boards

80. ## chemistry. Which is a base?

ZnCO3, CL2, NaCL, Zn(NO3)2, Zn. THANK YOU!

81. ## mzth

how to symplify fractions fast

82. ## spanish

what does this mean in english? and would it be true or false? sorry this is the only one i do not understand. unos temas comunes para el noticiero son como preparar platos exquisitos, como viven las estrellas de cine y como aprender a pintar.

83. ## spanish due in 2 hrs

The assignment says Por Vs. Para 1. Para que usan los ipods? PLEASE HELP WITH Answer: Yo usar los ipods por dos horas el dia. 2. Por cuantas horas estudias para una examen de mathematicas? PLEASE HELP WITH Answer: Yo estudio cinco horas por una exam de

Scientists can use what to test an area for oil without drilling?

85. ## GEOMETRY

Big problem with proofs. How do you go about doing triangle proofs?

86. ## math

for what values of x does the series converge absolutely and for what values does it converge conditionally? from n=0 to infinity an=(-1)^n(4x+1)^n

87. ## accounting

how do i record adjusting and closing entries for a service business? how do i do a post-closing trial balance?

88. ## literature

who is Maya Angelou

89. ## science

what are the role of the electrons in ionic bonds,covalent bonds and metallic bonds

90. ## Algebra

Please solve the Linear Equation of P = 200(10)+6000 Please show work in all steps

91. ## human resources

In what situations are the following compensation methods most effective: a) Merit pay? b) Incentives? c) Lump sum?

92. ## English

Look at the doctor, who is wearing a sthethoscope. She wants to see the doctor, for she has a sore throat. (Are the expressions correct?)

93. ## math

what is the geometric name for a figure with four sides

94. ## statistic

Given TWO SETS of congruent angles, what is the probability of selecting two consecutive angles that are congruent?

95. ## math

one more Brand “A”: 6 ounce can for \$1.20 Brand “B”: 7 ounce can for \$1.47 Brand “C”: 8 ounce can for \$1.52 Which is the better buy, and what is the unit, rate, and final price for each brand?

96. ## american literature

write a critical analysis on the poetry of henry longfellow

97. ## math

What is the largest sum you can get when you add two 2-digit numbers? Explain.

98. ## science

explain why earth has a moon

99. ## English

What is a good site for some hard Anologies?

100. ## Math

A dress costs \$60. A skirt costs 25% less. M bought some skirts and dresses for \$2220. 70% of the items were dresses. Rest were skirts. How much do skirts cost? (All the skirts together.)

what are all the acts

102. ## socials

what was the war measures act? who was sam hughes? thanks

103. ## cjs200

I do not believe we are all taught wrong from right. There are children out there being raised in foster homes by fosters that just look at them as a check. They are not teaching this children anything. that is why a lot of them end criminals. As far as

104. ## cjs200

values and morals: I think that while most people are taught values and morals it's nearly impossible to say that everyone is taught values and morals. Many are taught, but never apply the principles; others unfortunately I think grow up without truly

105. ## Science

What human activities contribute to reducing solid waste?

107. ## Enlightenment- Mary Wollstonecraft

Can anyone give me a website detailing the education of Mary Wollstonecraft? It's urgent.

108. ## Intermediate Algebra

Solve: 2x^-2 - 5x^-1 - 3 = 0 2a^2 -5a - 3 = 0 (2a^2 - ) + ( a - ) = 0 I am stuck here please help.

109. ## Electronics

If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKIN would be?

110. ## electronics

If the frequency of the crystal oscillator is 20 MHz on a PIC16F877a, the frequency of the signal on OSC1/CLKOUT would be?

111. ## Electronics

If the frequency of an RC oscillator connected to CLKIN is 96 KHz on A PIC 16F877a, the frequency on CLKOUT would be?

112. ## math

2 - x what is 15 3

113. ## spanish

assignment is POR vs PARA Tienas que hacer un proyecto para una clase este quarter? Para cuando tienes que completarlo I do not understand what the question is asking? What is my grade for this quarter.

114. ## english

fill up the blanks using if or unless.1.---it rains,we shall not cancel our plans to go out.2. l will not forgive him ---he apologises.

116. ## Math

What is (1.017)^5

117. ## History US

What was Hamilton's economic plan..? why didn't people like it?

118. ## human resources

I need to know what is Performance Management Process and the Purpose of Employee Performance Appraisals how do I start to write this paper I need help in writing the introduction

119. ## calculus

how do i reduced 76/100

accounting

121. ## chemistry II

I search the web and my texbook doesn't have the answer so please help What are the four steps of a process involving a heterogeneous catalyst?

122. ## art

how can social, polictical or economic conditions alter the nature and meaning of art?

123. ## physical science

how many electrons does lithium have

A Lesson Before Dying " I had gone to barbershops;I had stood on street corners, and i had gone to many suppers in the quarter.But i had never really listened to what was being said.Then i began to listen, to listen closely to how they taked about their

125. ## Math

Ed's distance to the mirror is 12ft The distance from the lighthouse to the mirror is 100ft. The distance of Ed's eyes to the ground is 5ft. What is the scale factor and how tall is the lighthouse?

126. ## language

the cay takes place during???

127. ## English

* I have a headache ( ) and a stomachache. ( ) Listen carefully, and if the expression has a rising intonation, mark an upward arrow. If it has a falling intonation, mark a downward arrow in the parentheses. In the sentence, before 'and' it has a rising

128. ## Education

Standards-based education can sometimes put pressure on teachers to be sure they 'measure-up' to the expectations of state standards. How can teacher accountability have a positive and a negative influence on the classroom environment?

129. ## Finite Math

Please help...i'm totally lost with this one. Construct a linear program for the following situation. Do not solve. A hotel is refurbishing its rooms, each type of which will accommodate either one or two persons. A one-person room requires 2.5 hours of

130. ## biology

i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!

131. ## algebra

how would you explain how to do Inequalities? With negative numbers, and how to add and subtract ex: a+7

132. ## math

find the series radius and interval of convergence. from n=0 to infinity an=[(-1)^(n+1)(x+2)^n]/(n2^n)

133. ## chemistry

I am trying to find pressure. R=.0821 T=1273 K V=2 n=.0997 When I put .0997 in the PV=nRT equation I get 5.2 atm, and when I put in .09 I get 4.7 atm. Which answer should I put? Which is more accurate?

134. ## spanish HELP

thanks is this correct. IS THIS CORRECT Yo uso los ipods por la musica? Next Cuanto dinero se necesita para comprar un XBOX? MT ANSWER? Dos Cien dolares es neccessario para comprar un XBOX

135. ## History

I am doing a report on Plato. Does anyone know some interesting sites?

136. ## spanish help

Question: Para que se usan los telefones celulares los jovenes? My Answer: Los jovenes usan el telefono celulares para hablar con amigos. IS THIS ANSWER CORRECT

137. ## Biology

A dominant gene does not "subdue" or "cover" a recessive gene. Explain using round and wrinkled peas as your example.

138. ## French

To negate the command "Dépêche-toi!" and other commands containing reflexive verbs, would it be "Ne te dépêche pas!"?