Questions Asked on
March 14, 2010

  1. Math

    Solve by substitution: x + 2y =1 8x + 8y =4

    asked by HELEN
  2. AP BIO

    1. A biologist measured the amount of DNA in several single diploid cells taken from a culture. He knew that these cells could divide mitotically, but not meiotically. His data is shown below: Cell Number and DNA content in micrograms: Cell 1 (11.1

    asked by Tom
  3. AP BIO

    2. Suppose the DNA molecule were composed of six monomers. In addition to the monomers A, T, C and G, two other monomers, O and P, were present. Furthermore, O and P were known to pair only with each other. Which of following statements regarding this kind

    asked by Tom
  4. Business

    Write an essay of about 300 words in which you describe in detail what constitutes a case study together with explaining what is analysis and types of input text in business case analysis.

    asked by Anonymous
  5. ap physics

    A skier of mass 70.5 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 60 m up a 38° slope (assumed to be frictionless) at a constant speed of 2.0 m/s?

    asked by shanster
  6. ap physics

    If one micrometeorite (a sphere with a diameter of 1.0 multiplied by 10-6) struck each square meter of the moon each second, it would take many years to cover the moon with micrometeorites to a depth of 1.5 m. Consider a cubic box, 1.5 m on a side, on the

    asked by shanster
  7. College Physics

    If you slam your finger in a car door how can you thank Coulomb's Law for the fact your finger wasn't chopped off? I don't understand.

    asked by J
  8. Travel Agent

    A ______ is the most commonly used input device.

    asked by Dolly
  9. math

    Barbara knows that she will need to buy a new car in 4 years. The car will cost $15,000 by then. How much should she invest now at 10%, compounded quarterly, so that she will have enough to buy a new car? Round to the nearest cent

    asked by Tyga
  10. pc basic

    A CD-RW is a type of

    asked by Dolly
  11. chem

    What volumes of 0.53 M HNO2 and 0.46 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.55? HNO2

    asked by jacky
  12. MATH

    John forgot to pay his $364.00 income tax on time. The IRS charged a penalty of 12% for the 55 days the money was late. Find the penalty that John paid. (Use a 365 day year.)

    asked by Tyga
  13. geometry

    what is the area and the perimeter of a square farm lot whose side mesure 21 m?

    asked by shr=er
  14. calculus

    A cold metal bar at -30 degrees Celsius is submerged in a pool maintained at a temperature of 40 degrees Celsius. Half a minute later, the temperature of the bar is 20 degrees Celsius. How long will it take the bar to attain a temperature of 30 degrees

    asked by Debbie
  15. Chemistry

    Aspirin equilibrium is : HC9H7O4(aq) + H2O (double arrow)C9H7O4^-(aq) + H3O^+ You have 2 tablets each containing 0.325g of active ingredient that you dissolve in water up to 225ml. Calculate the pH.

    asked by Alan
  16. Physics

    The heat capacity of a mercury thermometer is approximately equal to the volume immersed in metre cube multiplied by a constant x. If the densities of glass and mercury are 2.40 x 10^3 kgm^-3 and 1.36 x 10^4 kgm^-3 and their specific heat capacities are

    asked by Edwin
  17. Physics

    24 kg of water are heated by a thermostatically controlled 4Kw electric heater. The thermostat switches the heater on at 60 degree centigrade and off at 65 degree centigrade. If the time between switching off and switching on is 3.0 min, what will be the

    asked by Edwin
  18. Physics

    Two spheres S1 and S2 of the same metal and having the same type of surface, have radii 20cm and 10cm respectively. Compare their rates of fall of temperature as they cool (a) when S1 is at 50 degree centigrade, S2 is at 40 degree centigrade, the

    asked by Edwin
  19. math

    solve with addition: -3x + y = 3 2x- 3y = 5

    asked by HELEN
  20. British Literature

    Hello. I was wondering if someone can review my attempt to scan & indicate the ryhme scheme of the following lines from John Keats's "Ode on a Grecian Urn" ? When / old age / shall this gene/ration waste, ___ Thou/ shalt re/main, in mid/st of other woe ___

    asked by Tamir
  21. Physics

    An advertisement claims that a particular automobile can "stop on a dime". What net force would actually be necessary to stop an automobile of mass 850Kg traveling initially at a speed of 43.0 km/h in a distance equal to the diameter of a dime, which is

    asked by Jess
  22. chemistry

    Starting with o.3700 mol CO (g) and 5.400*10^-2 COCl2 (g), in a 3 liter flask at 668 K, how many moles of Cl2 will be present? CO + Cl2 =++COCL2 KC = 1.2*10^3 at 668 K

    asked by anonymous
  23. History

    Analyse the view that decolonisation was the product of a combination of forces beyond the British government's control.

    asked by Anais
  24. English

    I just want you to check my word choice. There are a few sentences I rephrased I'm not sure of.(Sentences 2.3.4). I really hope you'll help me improve my writing skills. Thank you for your help. 1) His father was a German from Bremen, who first settled in

    asked by Franco
  25. English

    I forgot to include these sentences. If you could possibly tell me if they are OK? I'm preparing a dissertion on this as part of my university course. 7) In addition, he told him that only desperate men and very fortunate men went abroad, he said. He was

    asked by Franco
  26. Accounting

    A company leases a piece of equipment to another company and appropriately records the 10 year lease as a sale. I have to determine the amount of profit to record in the first year - The lease payments are 500,000 for 10 years. The cost of the equipment is

    asked by Sharry
  27. Happy Pi Day

    Happy Pi Day to all math "nerds" Even Google changed their log today. http://www.squidoo.com/PiDay

    asked by Reiny
  28. world history

    Under whose reign did the Persian empire become the greatest military power of the ancient world?

    asked by Paige
  29. Stress

    I'm having a tough time brainstorming ideas about the four stress factors. I have to know why it's important for people to learn to deal with stress. Then I need to describe social, mental, emotional, and physical stress factors and its impact on living.

    asked by AL 87
  30. Science 6th Grade

    Light, XRays, and radio waves contain _____________ with different amounts of energy.

    asked by David
  31. Science 6th Grade

    When the frequency of a note is twice the frequency of another, the notes are a(n) ______________ apart.

    asked by David
  32. college

    The diameter of a wire should be 8 cm. It follows a normal distribution and has a standard deviation of 0.01 cm. A person tests each delivery by taking 5 samples, accepting the goods only if the mean is at most 8.01 a) Find the probability of type 1 error?

    asked by Allan
  33. social studies

    how did the events in Kansas contribute to the onset of the Civil War?

    asked by Dellaine
  34. social studies

    what did freedom to former slaves and how did their lives change in the aftermath of the civil war? also could the federal government have done more to helpp southern africa americans after the civil war? please explain

    asked by Dellaine
  35. science

    I am doing a project on paper planes, and I don't know what they mean by indepent and dependent variable, I know I want to see what flies further, a light weight paper plane or a plane made of heavier paper, but then they ask about the dependent and

    asked by kristjan
  36. physic

    A long jumper's take-off velocity is 10 m/s at an angle of 20o to the horizontal. His centre of gravity is 1 m above the ground at take-off and is 0.5 m above the ground at landing. a)How far does he displace his centre of gravity horizontally between

    asked by intan
  37. chemistry

    how many grams of solute are in 250ml of 0.500M glycerin . (C3H8O3=92.1 amu)?

    asked by tom
  38. business math

    It's a lot of words, but short questions. I got most of it, but I'm confused on a and c. Help would be greatly appreciated: Theater Seven wants to increase its popularity. They want to determine the best number of newspaper (N), Radio (R), and Television

    asked by peter
  39. algebra

    write a quadratic equation having the given numbers as solutions 6 - sqrt(2) , 6 + sqrt(2) thanks for any help

    asked by Derotts3
  40. college physics

    You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 50 km/h (31 mph). A new model of mass 1400 kg takes 0.18 s from the time of impact until it is brought

    asked by Anonymous
  41. college physics

    From what maximum height can a 61 kg person jump without breaking the lower leg bone of either leg? Ignore air resistance and assume the CM of the person moves a distance of 0.65 m from the standing to the seated position (that is, in breaking the fall).

    asked by Anonymous
  42. Physics

    An electron and a proton execute uniform circular motion in the presence of a uniform magnetic field. If the radius of the circle is the same for both particles, which of the following statements is true? A)Both particles move in the same direction; the

    asked by Sandra
  43. statistics

    2. The daily maximum temperature (T) on an island has approximately a normal distribution with a mean of 78 degree (F) and a standard deviation of 5 degree F on what proportion of days is the maximum temperature: a. Greater than 70 degrees F b. Greater

    asked by sherry wilson
  44. math

    A 3-year magazine subscription costs $123 and may be canceled at any time, and a prorated refund will be made for the remaining weekly issues. If Alan cancels his subscription after receiving 22 issues in the 2nd year, what refund would he get? Assume

    asked by jene
  45. p.e theory

    explain how stregths and weaknessess can affect your health and efficency in sport?

    asked by lily
  46. math

    If an object is dropped from a 686 foot cliff and hits the ground in 7 seconds, how far did it fall in the first 3 seconds?

    asked by zdruy
  47. Social Studies

    What started the school segregation?

    asked by Shadow
  48. Science

    Where does the energy go when you melt chocolate?

    asked by Robert
  49. trig

    if cot(- theta) = 7.89, find tan(theta- pi/2)

    asked by hilde
  50. physics

    let q be the charge placed at vertices of square of side 'd' meters each what value of charge should be placed at the cetre of a square to get equilibrium condition at any one corner of a square

    asked by suma
  51. trig

    sin²u + tan²u + cos²u/ sec u simplify

    asked by hilde
  52. trig

    simplify to a constant or basic trig function.. 1+tan(x)/1+cot(x)

    asked by hilde
  53. research paper

    How do you do the little number cite next to a qoute in a research paper in microsoft word?

    asked by mic
  54. trig 26

    simplify to a constant or trig func. 1. sec ²u-tan ²u/cos ²v+sin ²v change expression to only sines and cosines. then to a basic trig function. 2. sin(theta) - tan(theta)*cos(theta)+ cos(pi/2 - theta) 3. (sec y - tan y)(sec y + tan y)/ sec y combine

    asked by hilde
  55. Precalculus

    Suppose that a polynomial function of degree 4 with rational coefficients has i and (-3 + square root of 3)as zeros find the other zeros

    asked by Arielt
  56. geometry

    the base of a square prism has sides of 14in. What is the surface area of the prism

    asked by NEL
  57. geometry

    A trapezoid has height 8 and area 28.What are the lengths of its bases

    asked by NEL
  58. Precalculus

    Suppose that a polynomial function of degree 4 with rational coefficients has i and (-3 + square root of 3)as zeros find the other zeros show work please

    asked by Arielt
  59. classroom instruction

    • Create a 4- to 6-slide Microsoft® PowerPoint® presentation of the content for the learning packet by addressing the following points: o Choose a reliable Internet site and review the content to ensure that it is appropriate for the age group and the

    asked by scooby
  60. math

    how would you factorise a) 9x^2 - 49 b) 9x^2 - 121 c) 49x^2 - 25x^2 thankyou

    asked by david
  61. Chemistry

    How many carbon tetrachloride (CCl4) molecules are in 3.00 mol of CCl4? How many carbon atoms? How many chlorine atoms? How many total atoms? I have no idea how to do all of this =\

    asked by Astrid
  62. college physics

    A 12100 kg railroad car travels alone on a level frictionless track with a constant speed of 20.5 m/s. A 5850 kg load, initially at rest, is dropped onto the car. What will be the car's new speed? Please help!

    asked by Anonymous
  63. Math

    Solve log3 x + log3 8 = 4

    asked by Hannah
  64. biology

    What is equilibrium?

    asked by tybresha
  65. Science-Chemistry

    syringe filled with water and left by the sink in the sunshine. Ten minutes later sees little puddle of water under the syringe tip. What caused the little puddle of water to appear under the syringe tip? Use words particle and kinetic energy in

    asked by Michelle
  66. math

    A new temperature scale has the freezing point of water at 50 degrees and the boiling point of water at 125 degrees. Normal body temperature is 37 degrees C and 98.6 degrees F. Water freezes at 0 degrees C and 32 degrees F and boils at 100 degrees C and

    asked by Joey
  67. math

    A 4-year magazine subscription costs $228 and may be canceled at any time, and a prorated refund will be made for the remaining weekly issues. If Siran cancels his subscription after receiving 32 issues in the 2nd year, what refund would he get? Assume

    asked by jene
  68. physics

    The CM of an empty 1300 kg car is 2.40 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.80 m from the front of the car, and three people sit in the back seat 3.80 m from the front?

    asked by Anonymous
  69. economics

    concepts and problems in Macroeconomics Ireland's high unemployment rate

    asked by Pheobe01
  70. Trig

    How do I solve the following? sec 3 theta/2 = 2 on the interval 0

    asked by Katie
  71. algebra

    5 Times the numerator of the solution to 7|8-3h|=21h-49

    asked by Anonymous
  72. french

    what does nous avons bu un cafe mean?x

    asked by rachel
  73. English

    Thank you for your corrections! I wonder if you could possibly have a look at these other sentences on Defoe's Robinson Crusoe. My doubts concern the words preceding the question marks. Thank you very much for being so cooperative. 1) He attacks them and

    asked by Franco
  74. Literature

    Can someone give me some comparisons between Leopold (Sand County Almanac) and Thoreau (Walden Pond)? Similarities and Differences.

    asked by Cerise
  75. Biology

    11. You are searching for a gene that traces its ancestry to an ancient gene in fish. Evolutionarily older fish, like the coelacanth, have only one copy of this gene. More modern fish, like a three-spine stickleback, have three. Modern humans and mammals

    asked by Lisa
  76. Chemistry

    The active ingredient of the antacid is CaCO3 and so Sally chose titration with HCl as a method for analysis. What is the mass (in g) of the CaCO3 in the sample of antacid, if it is titrated by 21.2 mL of HCl solution with concentration of 0.1048 mol/L to

    asked by Cody
  77. 12th grade economics

    Frank wants to buy a $10,000 car. The car dealer offers him financing of 60 payments at 9% interest. What will his payments be assuming he pays $0 down?

    asked by Courtney
  78. Physics

    A 40 W (120V) light bulb has a tungsten filament of thickness 0.035 mm. The filament's operating temperature is 1500 degrees C. PART A How long is the filament? PART B What is the resistance of the filament at 20 degrees C?

    asked by JOTHEY
  79. Math

    How do you plot the y-axis of a 15 by 15 square graph with the points ranging from 0.1 to 27.8?

    asked by Kay
  80. maths

    Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones.What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color? ( could you tell me the steps ) thanks.

    asked by thommini
  81. Geometry

    The area of a circle that has a circumference of 12 pi cm is ______ pi m squared?

    asked by Gene
  82. geometry

    A type of pyramid where all faces are triangles?

    asked by Gene
  83. chemistry

    what is the pressure of H2 if the hydrogen gas collected occupies 14L at 300K and was produced upon reaction of 4.5 mol of Al?

    asked by brenda
  84. Finance

    ) What is your Average Payment Period if your Accounts Payable are $20,000, cost of Goods Sold is $200,000, and Sales are $500,000?

    asked by Vicky
  85. Finance

    If an instrument has a 10.7% Nominal Return, the inflation rate is 3.1%, and your tax rate is 28%, what’s your approximate “Real After-Tax Return?” a. 4.6% b. 7.6% c. 5.8% d. none of the above

    asked by Vicky
  86. Finance

    ) If a stock pays a dividend of $1.30 annually, has earnings-per-share of $4.50, and closed yesterday at $76.50, then which of the following statements is true? (Approximation is fine!) a. The dividend payout ratio is 82.8% b. The dividend yield is 5.7% c.

    asked by Vicky
  87. Prin of finance

    Which of the following statements are true of a “two-for-one stock split?”: 1. It may signal higher future earnings 2. By creating more shares at a lower price, marketability may be improved 3. It increases the “Equity Section” of a company’s

    asked by Donald
  88. Prin Finance

    Your company pays a dividend of $2.35 per share and expects no growth in this dividend at all, it will remain at this level indefinitely in management’s opinion. Theoretically what will this stock’s price be today if investors require an 8% rate of

    asked by Donald
  89. Fiance applications

    A stock’s 2009 Earnings-per-share is $4.50. Its Payout Ratio is 30%. Next year in 2010 it expects its Earnings-per-share to be $4.75. Answer the following two questions please, and select the correct choice: 1. What is the current 2009 dividend? 2. What

    asked by Suzie
  90. Science

    4)Explain why,when a soccer ball is kicked, the action and reaction forces don't cancel each other. a)The force of the player's foot on the ball greater than the force on the ball on the player's foot. b)They act on two different objects. c)The reaction

    asked by Ira
  91. math

    2x^2+7x+3

    asked by alyssa
  92. Chemistry

    Sally is goint to determine the quantity of MgSO4 by titrating the Mg2+ ions using EDTA. What is the concentration of Mg2+ (in mmol/L) in the sample if it takes 22.9 mL of EDTA solution with concentration of 0.01108 mol/L to titrate 50.00 mL of the sample

    asked by Cody
  93. Math(Please help)

    Solve log3 x + log3 8 = 4

    asked by Hannah
  94. Strategies!

    can u give me atleast 6 strategies. I have to write a 6 page essay and i have done 2 page so far but i still need more strategies, can u me lists of strategies please to make it easier for me. thnx!

    asked by Thara!
  95. chemistry

    for thermodynamic, standard is 25 celsius and 10^5 Pa, so in this case does it mean that 1atm=10^5 Pa while for stp 1atm=101325 Pa

    asked by bme1
  96. math

    A man entered an apple orchard through 7 gates. After picking some apples, he left. Upon leaving, he was required to give 1/2 of his apples plus an apple to the guard at the first gate. When he got to the second gate he was required to give half of his

    asked by Joey
  97. math

    How many times does each digit (0 through 9) appear in a list of counting numbers from 1 to 100 inclusive?

    asked by Joe
  98. accounting

    preferred shares, $2,89 non-cumulative, 10,000 shares authorized, issued and outstanding for $498,700 common shares, unlimited shares authorized, 120,000 shares issued and outstanding for $946,900 and retained earnings is 450,530 the only share

    asked by samir
  99. 425 SOC

    Does anyone think that a child should witness "good and bad" circumstances? Is it good for a child to see different perspectives of "reality" or no?

    asked by meshelle
  100. math

    A pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are there and how many birds?

    asked by Tyga
  101. chemistry

    did i order the intermolecular forces correctly ion-ion > ion-dipole force > dipole-dipole >ion-induced dipole> dipole-induced dipole> hydrogen bond>dispersion bond

    asked by eng
  102. Math

    What is 38 tmes 93 divided by 3 minus 4

    asked by Jane
  103. Social Studies

    Is this true or false: The radio business and the record business are interdependent; they have strong ties between them. i think its true and also is this true or false Radio programming can derive from locally produced, syndicated or network programming.

    asked by Kevin
  104. Math

    Expand: log7= 3sqrtx / x^2y

    asked by Hannah
  105. computers

    How does a computers benefit from having all in one computer security systems installed?

    asked by Bailey
  106. physics

    In a ballistic pendulum experiment, projectile 1 results in a maximum height h of the pendulum equal to 2.4 cm. A second projectile causes the pendulum to swing twice as high, h_2 = 4.8 cm. The second projectile was how many times faster than the first?

    asked by Anonymous
  107. chemistry

    is Li3As a semiconductor

    asked by eng
  108. chemistry

    what is the pH of .28 M HNO3 (aq) at 25 degree celsius? (Kw = 1.0 x 10 ^-14)

    asked by elizabeth
  109. Writing

    Could someone please help me write this sentence/sentences and punctuate it properly: Additional key questions answered by the management plan include: how the work is to be completed to achieve the project goal, how the changes will be monitored and

    asked by Robert
  110. English 1

    Revise the following paragraph, improving it without changing its overall meaning. Pay particular attention to any potential sentence fragments. Cooking is not as easy as it looks. For example, the terminology. Selecting the freshest ingredients for

    asked by pam
  111. chemistry

    a scientist wants to make a solution of tribasic sodium phosphate ,Na3PO4, for an experiment. how many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na+ ions of 1.30M

    asked by kathryn
  112. 425 SOC

    I need help Identifying the attitude, values, and ideologies that tend to perpetuate gender inequality?

    asked by meshelle
  113. Social Studies

    Why is school desegregation an important piece in the struggle for civil rights? Also, how did this change people's point-of-view toward race relations in American? Thanks

    asked by Shadow
  114. English 1

    Identify the sentence that is not a run-on a)Some people are real risk-takers; my cousin loves sky diving. b)My cousin loves sky diving yes some people are real risk-takers. c)Some people are real risk-takers my cousin loves sky diving. d)Some people are

    asked by Sarah
  115. history

    how would you describe how you spied for the colonist in the american revolution

    asked by mike
  116. english1

    Identify the complete verb: Max will be arriving on a flight this afternoon. a)will be b)will c)arriving d)will be arriving I think the answer is d.

    asked by pam
  117. finanance

    2. You charged $ 1,000 on your credit card for Christmas presents. Your credit card company charges you 16 % annual interest, compounded monthly. If you make the minimum payments of $25 per month, how long will it take [to the nearest month] top pay off

    asked by ananoumous
  118. dulaney hi

    what is the maxium mass of chlorine that could be released in the stratosphere by 100g of ech compound

    asked by toni
  119. Chemistry

    what is the chemical formula for Petrolatum and Petroleum Distillates?

    asked by Ryan!
  120. Math

    unscramble the letters UEEMTTRARR to make a math word

    asked by Lori
  121. chemistry

    Aqueous solution with a pH of 10.6 is diluted from 1 L to 1.5 L. What is the pH of the diluted solution?

    asked by elizabeth
  122. English

    Identify the sentence with correct subject-verb agreement. a)The crowd was yelling, "De-fense, de-fense." b)The crowd were yelling, "De-fense, de-fense." c)The crowd are yelling, “De-fense, de-fense.” d)The crowd yelling, “De-fense, de-fense.” I

    asked by pam
  123. macroecon

    Assume that there is equilibrium in both the goods and the money market at all times. Suppose that the president of the United States has decided to start a war. The government will have to increase spending to pay for weapons, equipments, and

    asked by angad
  124. Math

    Write the numeral in base ten. 130five A) 40 B) 60 C) 640 D) 650 I got A)40

    asked by Tyga
  125. business 210

    Assignment: Developing Good Business Sense – DUE DAY 7 in IF · Resource: Ch. 12 of Introduction to Business · Read the Developing Good Business Sense activity on p. 394 of the text. · Answer Questions 1–4 from the activity in a 700- to 1,050-word

    asked by Anonymous
  126. Math

    solve by addition method: please show work. -3x + y = 3 2x -3y =7

    asked by HELEN
  127. CHEMISTRY

    Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2 Can you please explain how you got the answer because I don't understand how you can tell.

    asked by Sean
  128. chemistry

    What is the mass of a mole of electrons if one electron has a mass of 9.11 x 10^-28 g?

    asked by Jenny
  129. English

    Thank you very much. I was pleased I didn't make any mistakes this time. I still have a few more sentences I forgot to post to you. 1)The hero of the novel was always the bourgeois man with his problems. He was generally the mouthpiece of the author. The

    asked by Franco
  130. math

    give the prime factorization of 189

    asked by stephanie
  131. CHEMISTRY

    Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius base? I need help on this question. Please explain this to me!

    asked by Sean
  132. Math

    A pet shop has a total of 17 dogs and birds. Altogether there are 48 feet. How many dogs are there and how many birds? A) 7 dogs and 10 birds B) 9 dogs and 8 birds C) 6 dogs and 11 birds D) 8 dogs and 9 birds I got the answer C is this right?

    asked by Tyga
  133. chemistry

    The vapor pressure of water at 30 Celsius is 31.82 mmHg and the density is 0.9956 g/mL. What is the new pressure after adding enough sorbitol to make a 2.7 m solution?

    asked by mister
  134. algebra

    I have tried this problem over and over and just not getting how to do it can someone help I don't want the answer I just need showed how to do it. solve using the formula L 0.000169d^2.27/h where L is the proper length in feet of the letters on pavement,

    asked by summerwings
  135. english1

    Identify the sentence with correct pronoun-antecedent agreement. a)Neither of the boys submitted his essay on time. b)Neither of the boys submitted their essay on time. I think it is b but i am not sure.

    asked by pam
  136. modern science

    can someone pleaseexplain to me what cathodic protection is and how it works? i understand that a metal gets charged but what does that do? Thank you =)

    asked by Ryan!
  137. finance

    3. You decide to borrow $200,000 to build a new house. The bank charges an interest rate of 6% compounded monthly. If you pay the loan back over 30 years, what will your monthly payment be [rounded to the nearest dollar]?

    asked by ananoumous
  138. Math

    Convert the number to the indicated base. 53six to base three

    asked by Tyga
  139. social studies

    could the federal government have done more to help Southern Africa Americans after the civil war? please explain

    asked by Dellaine
  140. physics help please!!!

    From what maximum height can a 61 kg person jump without breaking the lower leg bone of either leg? Ignore air resistance and assume the CM of the person moves a distance of 0.65 m from the standing to the seated position (that is, in breaking the fall).

    asked by Anonymous
  141. English

    I need 3 themes and 4 quotes per theme for the book the bluest eye by toni morrison. i have one theme completely done. my other theme is sexual initiation and abuse, but i have no quotes for it. and i still need one more theme. help?

    asked by Melanie
  142. Math Base

    Convert the number to the indicated base. 53six to base three

    asked by Tyga
  143. math

    Expand: log7= 3sqrtx / x^2y

    asked by Hannah
  144. marketing

    The process of naming broad product-markets and then segmenting them in order to select target markets and develop suitable marketing mixes is called

    asked by Rossy
  145. physics

    Find the tangential acceleration of a freely swinging pendulum when it makes an angle θ with the vertical. (Use theta for θ and g as necessary.) i tried 2.56 as an answer and it was wrong, so im guessing im suppose to use symbols?

    asked by jade
  146. chemistry

    Determine the number of molecules of ethanol (C2H5OH) in 47.0 g. Can someone explain to me how to do this?

    asked by Lola
  147. Finance

    Is the return on 1-year t-bond risk free? Why is a 8% t-bond idependent of the state of the economy %'s?

    asked by Anonymous
  148. 8th grade science

    what functions does a nuclear membrane, chromatin, and nucleolus have

    asked by gerry
  149. computer studies

    What is a computer manufacture

    asked by g
  150. Calculus

    Dy/dx of e^4square root of x

    asked by Anonymous
  151. chemistry

    calculate the moles of aluminum ions present in 250.0 g of aluminum oxide??

    asked by jeaninne
  152. chemistry

    according to van deer walls equation, why does H2S have higher parameter a than CO2

    asked by bme1
  153. Calculus

    Dy/dx of e^4square root of x

    asked by Anonymous
  154. social

    Can you help me please, i think it is false but im not sure A unique format is one for which there is no similar competition in the market. A) True B) False I also think this one is false but again not sure A "head to head" format refers to a format that

    asked by Kevin
  155. econ

    Consider the following data about the goods market in a hypothetical closed economy. Assume that government expenditure is constant at $200 million. Also assume that there is equilibrium in the goods market at all times. Some of the pairs of interest rate

    asked by sonia
  156. statistics

    refer to a bag of marbles containing 5 green marbles, 4 red marbles and 2 yellow marbles. Three marbles are drawn from the bag, without replacement. What is the probabilty that all three marbles drawn are green?

    asked by keisha
  157. Base

    Write the numeral in base ten. 130five

    asked by Tyga
  158. cjs/200

    Describe the purposes of criminal law.

    asked by Anonymous
  159. Calculus

    Need the answer to find dy/dx y=(1+cos^4(t/12))^3

    asked by Anonymous
  160. Writing

    23. Which portion of this sentence followed by a letter is not parallel? The company president inspired his employees (A), charmed the press (B), and redefined his company's strategic plan (C). __A __B __C __No error

    asked by Lorie
  161. Writing

    31. I had hoped the police would blame Bruce, not ___. __ me __ myself __ mineself __I 32. Some interviewers ____ have a clear sense of what they want in an employee, ask very tough questions. __ who __, who __ which __ that 33. A venture capitalist has to

    asked by Lorie
  162. chemistry

    There is 0.150 moles of H2 and I2, and are brought to equilibrium in a 3.30 L flask. The equation is H2 + I2 = 2HI. Find the equilibrium amounts of H2, I2, and HI. I'm not getting the correct answer. I set up the formula as x^2/(.04545-x) (.04545-x). To

    asked by anonymous
  163. Science

    I am making a pedigree and I want to know what do you call a person that Talks Alot????

    asked by Alisha
  164. Social

    Ia Rush Limbaugh, as carried on WBEN radio in Buffalo is an example of network programming and is All things Considered", as carried by WBFO in Buffalo is an example of network programming as well

    asked by Jake
  165. CHEMISTRY

    Which of the fallowing compounds may be Arrhenius acids: CH4, SO2, H2S, Ca3(PO4)2 Can you please explain how you got the answer because I don't understand how you can tell.

    asked by Sean
  166. Calculus

    need answer to find dy/dx y=e^2x+3*e^x-1

    asked by Anonymous
  167. CHEIMSRTY

    Methylamine (CH3NH2) forms hydroxide ions in aqueous solution. Why is methylamine a Brønsted-Lowry base but not an Arrhenius base? I need help on this question. Please explain this to me!

    asked by Sean
  168. Writing

    Can you please tell me whats right and whats wrong..Thank you. Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. _x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a

    asked by Lorie
  169. social

    Are both these false? A unique format is one for which there is no similar competition in the market. A) True B) False I also think this one is false but again not sure A "head to head" format refers to a format that is trying to successfully program

    asked by Kevin
  170. Math

    Perform the indicated operation let f(x)=x^2-7x-9 find(a+h)-f(a) and simplify

    asked by Anonymous
  171. mental factors

    I don't really get mental factors of stress. I need more clarification of this and figure out its impact on living.

    asked by AL 87
  172. math

    How do I solve the equations using the elimination method: .3x-.2y=4 and .4x +.3y= 49/23 Normally I would multiply the decimals by 10 to make them whole numbers, but that fraction is really throwing me off. What do I multiply to eliminate that fraction?

    asked by bob
  173. Calculus

    suppose that f(5)=5 and the limit as x->5 is 4f(x)-20/(x-5)(x+5)=10 find derivative of the function.

    asked by Anonymous
  174. math

    A baseball is thrown straight up from the rooftop 192 feet high. The function s(t)=16t^2+-64t+192 describes the ball's height above the ground,s(t), in feet, t seconds after it was thrown. How long will it take for the ball to hit the ground? Explain

    asked by Anonymous
  175. Chemistry

    Which of the following systems could act as a buffer? A. HCl/Cl- B. NaOH/OH- C. HSO4-/SO4-2 D. H3O+/OH- E. All of the above my guess is C because A and B are too strong, but I am unsure of D. Can someone explain how to think through this?

    asked by Trixie
  176. stats

    what is the probability that at least one of the marbles drawn is green? I thinks it's 1/11 but not sure. Then what is the probability that only one of the marbles drawn are green?

    asked by keisha
  177. calculus

    Find derivative(use logrithmic functions). y=x^-cosx

    asked by Zoey
  178. Math

    From a base elevation of 7000 ft, a mountain peak in colorado rises to a summit elevation of 14507 ft over a horizontal distance of 15842 ft. find the grade of the peak.

    asked by Rita
  179. science

    how does newton's laws apply to a toothpicks bridge

    asked by lea
  180. History

    factors that led to the creation of Isreal and the outbreak of the 1948-49 war

    asked by Sara
  181. history

    does any side in the Chechen conflict hold the high ground morally? Have recent developments increased the likelihood of peace in CHechnya?

    asked by Sara
  182. physics

    projectile motion question need help working through it an airplane travelling 1001meters above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. a) How many seconds before the plane is directly overhead should the box

    asked by jake
  183. history

    What problems did South Africa face in its transition to demacracy? What have been the magor achievments and problems in the new South Africa?

    asked by Sara
  184. Chemistry

    What is the structure of a tripeptide where glycine is first, serine is second, and alanine is third. Draw the structure in the proper zwitterionic form.

    asked by Holly
  185. Chemistry

    100 mL of each of the following solutions is mixed; which one of the mixed solutions is a buffer? A) 1.0 M NH3(aq) + 0.6 M KOH(aq) B) 1.0 M NH4Cl(aq) + 1.0 M KOH(aq) C) 1.0 M NH3(aq) + 0.4 M HCl(aq) D) 1.0 M NH4Cl(aq) + 0.4 M HCl(aq) E) 1.0 M NH3(aq) + 1.0

    asked by Trixie
  186. Algebra

    Solve the poloynomial x^3+4x^2-x-4=0

    asked by Anonymous
  187. math

    1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different city. a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to

    asked by john
  188. Gen 200

    Prepare a 700 to 1,050-word paper in which you explain the relationship among professional values, ethics, and career success. Address the following items in your explanation: Define values and ethics. Identify at least three sources of professional values

    asked by Alida
  189. Chemistry (or Physio/Biochem)

    Asthma affects about seven percent of the population. During an asthma attack smooth muscle cells in the bronchi constrict, the airways become inflamed and swollen, and breathing becomes difficult. What effect might an asthma attack have on blood pH? A. pH

    asked by Trixie
  190. finance

    3. You decide to borrow $200,000 to build a new house. The bank charges an interest rate of 6% compounded monthly. If you pay the loan back over 30 years, what will your monthly payment be [rounded to the nearest dollar]?

    asked by ananoumous
  191. history

    why did people think they could be free from suffering through buddhist teachings?

    asked by sally
  192. psy 210 HHHEEEEEELLLLPPPPP PLEASE!!!

    my second health problem i had to choose is high blood pressure and i cant find more about it for this paper i need more words can anyone help plese Assignment: Psychology and Health Problems · Due Day 7 · Review Figure 4.3. · Summarize the

    asked by bobbi help please
  193. ALGEBRA

    Why is it important to simplify radical expressions before adding or subtracting? How is adding radical expressions similar to adding polynomial expressions? How is it different? Provide a radical expression for your classmates to simplify.

    asked by GGIFT
  194. english

    after the rain ended, the sky became blue --is this a complex sentence?

    asked by jacob
  195. 4th grade

    to cause a commotion that could ruin a plan:rock_ _ _ _ _ _ _

    asked by Desriee
  196. macroecon

    Assume that there is equilibrium in both the goods and the money market at all times. Suppose that the president of the United States has decided to start a war. The government will have to increase spending to pay for weapons, equipments, and

    asked by angad
  197. Chemistry

    Complete and balance this equation for a combination reaction. Be + O2 ==> Would it be Be + O2 ==> BeO2 ? or... 2Be + O2 ==> 2BeO ? Why??

    asked by Jack
  198. human resources

    Search the Internet to find at least three examples of mission statements for human service organizations. · Create a 10- to 12-slide PowerPoint® presentation that addresses the following in regard to each mission statement.

    asked by alma
  199. poetry

    The Line"I Wandered lonely as a cloud" is an exaple of what ?

    asked by robert
  200. college Psychology

    I am having trouble describing the interaction (How does effect of one Independent variable depend on level of other independent variable and why?) My 1st independent variable is Type of Stimulus: with 2 levels pictures and words. My 2nd independent

    asked by James
  201. History

    How did the outcome of school desegregation help strengthen our nation and its people overall?

    asked by Anonymous
  202. 7th grade

    what cavilions went on and became faus after the first fleet

    asked by Anonymous
  203. social

    The "jack fm" format is an attempt to stimulate the random programming of an ipod on shuffle. True or False I'm really not sure what it is.

    asked by Kevin
  204. HCA/210

    the role of health care workers in determining quality care

    asked by Cindy
  205. chemistry

    which reactant has been oxidized?

    asked by nay gaw so
  206. English

    What's your favorite class? 1. It's a math class. 2. It's math class. 3. It's math classes. 4. Math class is my favorite. 5. Math classes are my favorite. 6. A math class is my favorite. (Which answers are correct? Are all correct?)

    asked by rfvv
  207. English

    1. They are a professor and a writer. 2. They are a professor and writer. 3. They are professors and writers. 4. He is a professor and writer. 5. He is a professor and a writer. (Which expressions are not correct?)

    asked by rfvv
  208. corporate finance

    The third owner is in favor of a share repurchase. HE Argues that a repurchase will increase the company's P/E ratio, return on assets, and return on equity. Are his arguments correct? How will a share repurchase affect the value of the company?

    asked by wendy
  209. Chemistry

    Complete and balance this decomposition reaction HI ==> is this reaction HI ==> H + I ? or... HI ==> H2 + I2 ? why?

    asked by Jack
  210. HRM/240

    I have to write an affirmative action policy. I have looked at examples but I am so confused as to which way I am suppose to write this thing. Any suggestions?

    asked by Lisa
  211. social

    Ok, I think both of these are syndicated but im so confused! The type of programming aired by a station with which they "affiliate" is called A) syndicated programming B) local origination C) network programming D) non of the above This type of

    asked by Kevin
  212. English

    1. He beat/won Don at the game. 2. He won/beat the game. 3. He beat/won the team yesterday. 4. He won/beat at the competition. (Which verb do we have to use?) 5. She won a bronze medal at the Olypic Games. 6. She got a bronze medal at the Olympic Games.

    asked by rfvv
  213. Chemistry

    Kb for aniline is 4.3 x 10^-10. What does this tell you about aniline? Please help!

    asked by Paul
  214. English

    How do you pronounce "Branche"? This is Wilm Rudolph's mother's name.

    asked by rfvv
  215. fianance

    3. You decide to borrow $200,000 to build a new house. The bank charges an interest rate of 6% compounded monthly. If you pay the loan back over 30 years, what will your monthly payment be [rounded to the nearest dollar]?

    asked by ananoumous
  216. Chemistry

    If 4.56 grams of NaOH and 56.3 grams of Ca(OH)2 are added to enough water to make 1.50 L of solution, what will the pH be?

    asked by Alice
  217. Chemistry

    Determine the concentration of Mg2+ (in mmol/L) in the unknown solution (Note: details and additional information to solve the problem are provided in your lab manual): Mass of EDTA: 0.606 g Volume of EDTA used in titration (step 1): 10.48 mL Volume of

    asked by Johnathan
  218. math

    Theses are just some problems i did not understand how to do so if you could please explain and write the answer(: anything helps thank you(: 2. Simplify ---(3x^11z^5)^3 b. (3x^5)^ -3 / 2x-5(3y)^4 c.3x^5)^ -3 / 2x ^ -5(3y)^4 (same as b but - 5 is the

    asked by Alyssa Pacheco
  219. Intro to LAN technologies

    58. You have been contracted to build a network for a multimedia development firm that currently uses a 10-Mbps Ethernet network. The company requires a high-bandwidth network for the multimedia team, which constantly views and manipulates large files

    asked by Sylvia
  220. College Physics

    A 3400 kg open railroad car coasts along with a constant speed of 7.50 m/s on a level track. Snow begins to fall vertically and fills the car at a rate of 5.10 kg/min.Ignoring friction with the tracks, what is the speed of the car after 85.0 min ?

    asked by Sandy
  221. scienc

    Resources: Ch. 5 of Visualizing Environmental Science and Appendix C „h Due Date: Day 2 [Main forum] „h Review Ch. 5, The Flow of Energy Through Ecosystems. Then, complete Appendix C. „h Post your response to the following: Identify the fruit or

    asked by Anonymous
  222. social

    Ok, I think both of these are syndicated but im so confused! The type of programming aired by a station with which they "affiliate" is called A) syndicated programming B) local origination C) network programming D) non of the above This type of

    asked by Kevin
  223. history

    I need help on these questions. I'd really appreciate if Ms. Sue helped me out, since she's an awesome tutor. =) 1. In their 1994 Contract with America, Republicans pledged to A. renew the "Star Wars" initiative (what is the "Star Wars" initiative anyway?)

    asked by Meeha
  224. econ

    Consider the following data about the goods market in a hypothetical closed economy. Assume that government expenditure is constant at $200 million. Also assume that there is equilibrium in the goods market at all times. Some of the pairs of interest rate

    asked by sonia
  225. Chemistry

    A 25.00 ml sample of a standard solution containing 1 g of CaCO3/L required 25.20 ml of EDTA to fully complex the Ca present. Calculate the volume of EDTA stoichiometrically equivalent to 1.0 mg of CaCO3. From the volume of EDTA required in titrating the

    asked by Anonymous
  226. english

    the activity of scaling rocky cliffs

    asked by jennie
  227. compose

    How many kilojoules of heat are released when 25.0 g of {\rm CO}(g) reacts completely with {\rm H_2}(g) to form {\rm CH_3OH}(g) at constant pressure?

    asked by Ryan
  228. physics

    A 17.1 cm focal-length lens is used to project 35 mm slides onto a screen 4.77 m from the projector lens. What must be the width of the screen ( m) if the image of the slide is to just fill the screen? The width of the image on the slide is 34.3 mm.

    asked by Andy
  229. Coom 220

    How do you know when sources are reliable?

    asked by Anonymous
  230. chem

    why does the temperature decrease as the internal energy of a system decrease?

    asked by kim p
  231. ECONOMICS

    WHAY IS GLOBAL ECONOMIC CRISIS?

    asked by SH
  232. Algebra

    41-(2x+4)< or + to 2(x+1)+x Use set-builder notation to describe the complete solution. {x/x__ __}

    asked by Liz
  233. trig

    how do you simplify "[sin(x)+tan(x)]/[1+sec(X)]"

    asked by Brad
  234. Chemistry

    Suppose that we had used 25.5cm3 of 0.200M NaOH and 42cm3 of dilute HCl to reach the end point. What is the molarity of the Hcl acid? HCl = NaOh--> NaCl + H20

    asked by Anonymous
  235. chemistry

    How many moles of O2 are needed to combine with 0.288 mol Al to give Al2O3?

    asked by .
  236. physics

    What is the kinetic energy of a 62kg cyclist if she is moving on her bicycle at 8.2 m/s?

    asked by trisha
  237. math

    what is the inverse of (x-3)^2+2 ((x-3)squared plus 2))

    asked by nevaeh.
  238. Chemistry

    The standard electrode potentials for three electrode systems are: Ti^3+(aq) + e^- --> Ti^2+ E= -0.37 Fe^3+ ---> Fe^2+(aq) E= +0.77 Ce^4(aq) + e^- ---> Ce^3+(aq) E= +1.45 Using the data above, deduce which species is the best reducing agent, giving a

    asked by Kari