1. Physics

    A bicycle with tires 64 cm in diameter travels 5.2 km . Part A How many revolutions do the wheels make? Express your answer using two significant figures.

    asked by Safia on November 16, 2015
  2. APChem

    does anyone know a good website i could look at so i could answer this question: ? Explain how indicators work using a chemical reaction as part of your explanation. Any websites? please? thank you!!

    asked by Kiki on February 27, 2010
  3. Math

    1. To construct a copy of an angle ABC, the material that is Not necessary is A.) Protractor B.) Compass C.) Ruler or Straightedge D.) Pencil Is the answer B or A? I'm stuck between those two. Thanks!

    asked by Tim on September 21, 2015
  4. reading and writing

    Which of the following titles is made more effective by alliteration? A. Guns: Our Lethal Heritage B. Ruby, the Rose of Roslyn C. Now You See It; Now You Don't D. What's in a Name? my answer is b.

    asked by Clare on April 1, 2015
  5. Chemistry

    How many milligrams of a mixture containing equal numbers of moles of CH and N2 at 10.0 atm total pressure will dissolve in 1.00 L of water at 20 degrees C? Answer should be 2.1 x 10^2 mg

    asked by Jacqueline on February 18, 2013
  6. Math

    How do I show that the sum of 3 consecutive odd integers is a multiple of 3? Can you please help me answer this question? My teacher didn't explain on how to solve it very well.

    asked by Anonymous on September 18, 2016
  7. hcs/335 plz help

    What issues involve problems with consent in stem cell research? can anyone help me? i just need a quick explanation andi can go on from there i don't want the answer i just need help thanks

    asked by bobbi on March 2, 2011
  8. Marketing

    Identify the strategy decisions a marketing manager must make in the Price area. Illustrate your answer for a local retailer

    asked by Pam on October 10, 2010
  9. Spanish

    Cuándo se pone ustede el abrigo? What does this mean: is it "when do you put your coat on?" Then how am I supposed to answer? the question doesn't really make sense.

    asked by Amy on November 21, 2010
  10. poetry

    In thornton Wilder's The skin of your teeth for this question Who says this quote Tear everything down I don't care if you smash it. Is the answer mr. antrobus. Thanks

    asked by casey on April 1, 2007
  11. Physics

    With an average acceleration of −2.2 m/s^2, how long will it take a cyclist to bring a bicycle with an initial speed of 14.5 m/s to a complete stop? Answer in units of s.

    asked by Laura on May 22, 2011
  12. physics

    With an average acceleration of −1.3 m/s2 , how long will it take a cyclist to bring a bicycle with an initial speed of 13.7 m/s to a complete stop? Answer in units of s.

    asked by Anna on January 29, 2015
  13. Differential Equations

    Solve dy/dx = y/(2y-x) using rational substitution (using v=y/x) with the initial condition y(0)=1. I solved this problem and found C (the constant) to be undefined. That is not the correct answer.

    asked by Liz on February 15, 2014
  14. Social studies

    The Renaissance shifted the direction of learning to reflect the ideals of ____? Humanism. (MY ANSWER) Revolution. Conservation. Communism.

    asked by LOVE on March 8, 2016
  15. Health help please!!!

    Your body can get antibodies from A. immunizations B. being exposed to the virus or antibody and having your immune system make it C. none of the above D. all of the above I want to say the answer is D but the none of the above is throwing me off? Am I

    asked by callie on November 17, 2014
  16. calculus-answer check

    Determine the slope of the tangent line to the curve y=(x^2+3x)(x^2-2) at x=-1. I got 3 as my answer although I am not too sure that it's correct. I found the derivative of the function and then substituted -1 into the equation.

    asked by Kim on May 9, 2014
  17. Algebra II

    Write y=x^2+4x-1 in vertex form. y=x^2+4x-1 y=(x^2+4x+8)-1-8 y=(x+2)^2-9 This isnt one of my answer choices,what am I doing wrong? in second line: y=(x^2+4x +4 )-1 +4 (take one half of the middle coefficient, then square it) y=(x^2+4x + 4 )-1 - 4

    asked by Jonathan on August 8, 2007
  18. physiology

    if the isotonic solution in our body reduces like near to negligible then what would be the effect will it make on hematocrit concentration will it also become low and why?? please answer fast

    asked by harry on November 30, 2011
  19. social studies

    turkey became a republic under the rule of A. mustafa B. reza pahlavi C. mohammed khatami D. ayatollah ruhollah khomeimi my answer D

    asked by it would mean a lot to help on March 5, 2019
  20. chemistry

    Give the formula of lead iodide showing all working. You must use knowledge about atoms and electron configuration to explain answer. Thanx :)

    asked by Help on May 23, 2011
  21. physics

    A box is sliding down a ramp sloping 25° above the horizontal. The coefficient of kinetic friction is 0.15. What is the acceleration? The answer is 2.8 m/s^2. How can this be solved with out mass?

    asked by Angela on September 20, 2010
  22. english

    1. which is the best example of the use of rhyme ? A. the beat of a drum B. fresh green grass** C. a little wild child D. the kindness of strangers Check my answer please

    asked by help me on March 19, 2019
  23. chemistry

    What is the pOH of a 0.032 M Ca(OH)2 (strong base) solution? i solved it by doing 14=-log (0.064) 14-1.19= 12.81 but the right answer is 1.19, why? i thought the OH in the problem meant i had to use 14?

    asked by jessie on December 11, 2010
  24. Chemistry

    How many grams of pure uranium can theoretically be extracted from a 10.0 kg sample of pitchblende, which is 92.0% UO2? Im not looking for the answer. I would just like to know the formula to solve the problem.

    asked by Sean on April 9, 2016
  25. Science

    1. __________ is an environmental group that works to create awareness of pollution. A. The IRA B. Greenpeace C. Congress D. The FDA My answer is D

    asked by Steve on February 6, 2018
  26. chem 101

    Calculate the amount of heat required to raise the temperature of a 25 g sample of water from 9 ∘C to 30 ∘C. Express your answer using two significant figures.

    asked by soso on January 27, 2016
  27. Spanish

    Costa Rica has over 100 ________ that make up its geography. a. lakes b. swamps c. rainforests d. volcanic cones (My Answer)

    asked by Help Me Please! on May 19, 2018
  28. history

    At the Yalta Conference of 1945, the military situation favored [A. Stalin.] B. Eisenhower. C. Roosevelt. D. Churchill. is my answer correct

    asked by jake on December 12, 2011
  29. science(chem)

    If I have a graph of concentration in Absorbance at 400nm vs [micromolar]of para-nitrophenol The slope would be the extinction coefficient. (y=mx) if forced through 0 The problem is what is y? I know y is the absorbance but it's given on a paper i have as,

    asked by ~christina~ on October 10, 2008
  30. Math: stats

    Suppose that the starting salaries of female CFO have a mean of $56,000 and a standard deviation of $12,000. The starting salaries of male CFO have a mean of $50,000 and a standard deviation of $10,000. A random sample of 50 female CFO’s and a random

    asked by Ronda on April 12, 2015
  31. Chemistry

    The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of sodium chloride to make sodium bicarbonate and ammonium chloride. The equation for this reaction is H2O + NaCl + NH3 + CO2 →

    asked by David on April 3, 2010
  32. Calculus

    Can anyone help me with these two optimization problems? A boat leaves a dock at 9:00 P.M. and travels due south at a speed of 20 km/h. Another boat has been heading due east at 15 km/h and reaches the same dock at 10:00 P.M. How many minutes after 9:00

    asked by Steve on November 30, 2009
  33. math

    A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the room. The width is: meters.

    asked by mya on September 26, 2015
  34. math

    A rectangular room is 5 meters longer than it is wide, and its perimeter is 22 meters. a. Letting w represent the width of the rectangle, write an equation that represents the perimeter of the room. = 22 b. Find the width of the room. The width is: meters.

    asked by mya on September 26, 2015
  35. Calculus

    Consider the differential equation dy/dx = 2x - y. Let y = f(x) be the particular solution to the differential equation with the initial condition f(2) = 3. Does f have a relative min, relative max, or neither at x = 2? Since we're trying to find a max/min

    asked by Anonymous on May 6, 2017
  36. math C2 sequences and series

    The eight,fourth and second terms of an arithmetic progression form the first three terms of a geometric series. The arithmetic progression has first term A and common difference d, and the geometric progression has first term G and common ratio r. a)Given

    asked by Stephan on January 2, 2017
  37. written communication

    Can someone check to see if these are correct and give me some ideas Rewrite the following sentences, focusing on the grammar area specified in the left column. To enter your answer, click next to the number and begin typing. If the sentence is already

    asked by Nene on May 1, 2007
  38. Math

    The variable d represents the cost of a customer's meal, in dollar. The following expression represents the amount paid, including tax. d + 0.18d F. The cost plus eighteen percent of the cost G. the cost minus eighteen percent of the cost H. the cost plus

    asked by chaya on April 19, 2011
  39. Statistics

    A sample of 12 measurements has a mean of 37 and a standard deviation of 4.25. Suppose that the sample is enlarged to 14 measurements, by including two additional measurements having a common value of 37 each. A. Find the mean of the sample of 14

    asked by Anonymous on September 4, 2014
  40. physics

    1)As a sound source moves away from a stationary observer, the number of waves will. A)increase B)decrease C)remain the same D)need to know the speed of the source (answer:decrease.) As the detector recedes from the source, the relative velocity is

    asked by Jon on April 7, 2008
  41. Physics

    A cue ball traveling at 4.0 m/s makes a glancing, elastic collision with a target ball of equal mass that is initially at rest. The cue ball is deflected so that it makes an angle of 30° with its original direction of travel. (a) Find the angle between

    asked by Amy on November 7, 2010
  42. Physics HELP HELP

    A cue ball traveling at 4.0 m/s makes a glancing, elastic collision with a target ball of equal mass that is initially at rest. The cue ball is deflected so that it makes an angle of 30° with its original direction of travel. (a) Find the angle between

    asked by matt on November 8, 2010
  43. Math

    Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at home, there is a

    asked by chels on February 18, 2016
  44. science

    A cue ball traveling at 4.0 m/s makes a glancing, elastic collision with a target ball of equal mass that is initially at rest. The cue ball is deflected so that it makes an angle of 30° with its original direction of travel. (a) Find the angle between

    asked by Amy on November 7, 2010
  45. Algebra

    A certain nation is losing 26 million acres of rain forest each year. (a) Find the linear function f that calculates the change in acres of rain forest in millions in x years. Use x as a variable (b) find f(3) and interperate the result. f(t)= Simplify

    asked by Ruth on March 7, 2013
  46. Managerial Economics/Math

    I wanted to post this as a new question to make sure you saw it. Thanks! :) Posted by klynn on Wednesday, October 3, 2007 at 11:29am. This is an MBA-level Managerial Economics Course. I'm working on some HW and just want to double-check my answers. 1.

    asked by klynn on October 3, 2007
  47. Algebra

    Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations modeling the daily attendance, y, at each play are shown below, where x is the number of days since opening night. On what days

    asked by junior on May 31, 2018
  48. Materials Science

    A 3-point bending test is performed on a simply supported beam of length L=4m and of rectangular cross-section, with width b and height h. For a central load of 10kN, draw the bending moment and shear force diagrams for the beam. Then answer the following

    asked by qwerty on October 17, 2014
  49. Calculus (math)

    A bacteria culture grows with constant relative growth rate. The bacteria count was 784 after 2 hours and 117649 after 6 hours. What is the relative growth rate? What was the initial size of the culture? Find an expression for the number of bacteria after

    asked by Help me plz! on December 14, 2014
  50. physics

    A 20 kg slender rod pivoted at its center has a length of 6 m. A motor applied a torque of 2400 Nm on the rod to turn it from rest. a) Find the the average power by the motor when the rod rotates an angle of 500 radians. b) Find the instantaneous power of

    asked by drew on April 28, 2010
  51. Calculus

    R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find

    asked by Jake on January 28, 2010
  52. Calculus

    R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find

    asked by Drake on February 2, 2010
  53. Calculus

    R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the cross-sections of the solid perpendicular to the y-axis are squares. Find

    asked by Jake on January 27, 2010
  54. algebra

    1. 8 less than a number is 15. find the number. 2. a number less than 8 is 15. find the number. 3. 5 times a number is 45. find the number

    asked by Peter on February 8, 2009
  55. AP Physics

    #2 A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is

    asked by dilated on August 29, 2013
  56. us history

    I am second guessing myself on these Any help is appreciated which of the following is true with regards to the navigation acts by the eighteenth century? A} the navigation act of 1696 abolished the american customs service b the acts replaced the colomial

    asked by kimberly on November 26, 2013
  57. Chemistry(Please check answers)

    1) The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by Hannah on February 26, 2012
  58. Chemistry(Please check)

    1) The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by Hannah on February 25, 2012
  59. Chemistry(Please check)

    1) The decomposition of hydrogen peroxide in solution and in the presence of iodide ion was studied in laboratory, and the following mechanism proposed based on the experimental data. H2O2 + I - = H2O + IO - (slow) H2O2 + IO - = H2O + O2 + I - (fast) Which

    asked by Hannah on February 25, 2012
  60. Maths - More than one question please help me

    Hi everyone :) I need a lot of help. I have many questions i don't get how to do and even if you can help me with one of them, I'd truly appreciate it. I really need the help and i gotta hand this in soon so please help if you know how to do any of these

    asked by sweetG on July 3, 2008
  61. college physics

    Two blocks of mass m1 = 3.00 kg and m2 = 7.50 kg are connected by a mass less string that passes over a frictionless pulley. The inclines are frictionless. So this is like a triangle with a pulley at the top and both blocks resting at either side of the

    asked by kathy on May 23, 2012
  62. PHL458

    Don't really understand what the teacher want. Can you help me get a better understanding. Evaluating and Refining Resolutions Presentation (Preparation) Search for societal issues and pick one issue you would like to resolve. Obtain faculty approval of

    asked by cathy on May 31, 2013
  63. Language Arts

    Can you check my answer? Matt hiked the trail yesterday. It made him tired. Which sentence combines the two sentences using a gerund phrase? A- hiking the trail yesterday made Matt tired B- Matt hiked the trail and it made him tired. My answer C-It made

    asked by April on May 12, 2016
  64. Calculus

    The functions f and g are given by f(x)=√x and g(x)=6-x. Let R be the region bounded by the x-axis and the graphs of f and g, as shown in the figure in the link below. Please show your work. h t t p://goo.gl/jXIZD 1. Find the area of R. 2. The region R

    asked by Jessy152 on February 27, 2013
  65. English

    These are questions from the stories Marita’s Bargain by Malcolm Gladwell, The Secret to Raising Smart Kids, A Walk to the Jetty by Jamaica Kincaid, and ILE by Eugene O’Neill. I Answered all pf the questions I just wanted a second opinion on them. 1.

    asked by Ashley on November 23, 2015
  66. Programming

    Input a list of positive numbers (terminated by 0) into array, find the largest number in the array, and output the result. Use a subprogram to input the numbers, a function to find the largest, and a subprogram to output the result.

    asked by koko on April 8, 2011
  67. Physics

    You drive 109 km/h east for 31 min , then 82 km/h north for 42 min . Let the +x-axis point east and the +y-axis north. Find your average velocity for the entire trip. Find your average speed for the entire trip.

    asked by Anonymous on January 26, 2017
  68. Maths

    (1) Find the value of B between 0 degree and 360 degree which satisfy the equation SinB+Sin²B=0 (2) Find the value of A between 0 degree and 360 degree which satisfy the equation (2CosA+1)(1-CosA)=0 (3) 2Sin²A-SinA-1=0 (4) 4Cos²A+2CosA=1 (5)

    asked by Ande2 on January 7, 2019
  69. macroeconomics

    GDP rises from $4 trillion in 2006, the base year, to $5 trillion in 2012. The GDP deflator in 2012 is 120. Find real GDP in 2012. Find the percentage increase in real GDP between 2006 and 2012.

    asked by mary on February 25, 2015
  70. Physics

    A hammer of mass M is moving at speed v0 when it strikes a nail of negligible mass that is stuck in a wooden block. The hammer is observed to drive the nail a distance L deeper into the block. A) Find the magnitude F of the force that the wooden block

    asked by Garrett on March 17, 2014
  71. Calculus

    Differentiate to find critical numbers and leave function in fully factored form. g(x) = (x^2+1)^5(x^2+2)^6 g'(x) = (x^2+1)^5[6(x^2+2)^5(2x)] + (x^2+2)^6[5(x^2+1)^4(2x)] g'(x) = 2x(x^2+1)^4(x^2+2)^5[6(x^2+2)(2x) + 5(x^2+1)(2x)] g'(x) =

    asked by Justin on October 14, 2015
  72. Math (trigonometry)

    MONDAY  December 3, 2012 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th

    asked by Sammy on December 3, 2012
  73. Geometry

    1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.

    asked by GummyBears18 on September 21, 2016
  74. Geometry plz help

    1.Which choice shows a true conditional with a correctly identified hypothesis and conclusion? •If next month is January, then this month is the last of the year. Hypothesis: This month is the last of the year. Conclusion: Next month is January.

    asked by GummyBears18 on September 21, 2016
  75. Calculus

    Hello, I would like to make sure the answers to these questions are correct. 1. Using the shell method, what is the volume of a solid that is generated by rotating the region by y = x^2 and x = y^2 about the x axis. My Work: r = y h = sqrt(y) - y^2 2pi

    asked by Daisy on January 18, 2017
  76. math

    M is partly constant and partly varies with N, when N= 14, M = 150 and when N = 54, M = 192. Find the formula connecting M and N hence find M when N= 73 m=k+cn 192=k+54c............................. (1) 150=k+14c. ........................... (2) subtract

    asked by Austen Joy on February 7, 2017
  77. physics

    consider a massless cord attached at both ends to hooks in a ceiling. A 20 kg mass is then suspended from the first cord by a second cors. The angles made by the cord with the ceiling are 40 degrees (left angle) and 25 degrees (right angle). Find the

    asked by randy on November 20, 2006
  78. Calculus 1

    The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

    asked by Anonymous on October 28, 2014
  79. Calculus 1

    The resistance of blood flow, R, in a blood vessel is dependent on the length of the blood vessel, the radius of the blood vessel, and the viscosity of the blood. This relationship is given by R = 8Lη/πr^4 where r is the radius, L is the length, and the

    asked by Anonymous on October 28, 2014
  80. Pre-Algebra Calculus

    NEED HELP PLEASE Mixture Problems 1.Joe created a metal containing 40% platinum by combining two other metals. One of these other metals weighed 12 lb. and contained 45% platinum. If the other weighed 3 lb. then what percent of it was platinum? 2. 12 gal.

    asked by michele on January 23, 2016
  81. MATH

    When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with

    asked by Anonymous on September 28, 2010
  82. MATH

    When a concrete structure is built, and engineer often performs a slump test on the concrete to ensure that it is of suitable strength and consistency. The engineer fills a truncated cone with bottom diameter 200mm, top diameter 100mm and height 300mm with

    asked by Anonymous on September 28, 2010
  83. physics

    i will begreatfull if u help me insolving the below problems: 1.)the time period of a pendulum clock on the surface of the earth is 6 sec.Find the timeperiod of the same pendulum on the moon.(g=9.8m/sec2) 2.)the time period of a pendulum is 6.28sec.Whay

    asked by srikar on May 17, 2012
  84. Early Child Ed.

    Would you make sure I have chosen the best answer to these two questions? 1. Teacher observation is one of the best methods of assessment since: A. there are no standardized tests for young children. B. the type and number of language arts skills assessed

    asked by Lydia on September 5, 2007
  85. world history

    Which of the following statements is true of the Gulf of Tonkin affair? A. Johnson told Congress to pass the Gulf of Tonkin Resolution to let him expand the war. B. Congress was divided and only reluctantly passed the Gulf of Tonkin Resolution. C. The

    asked by L on July 30, 2014
  86. physics question

    Your friends car is parked on a cliff overlooking the ocean on an incline that makes an angle of 17.0° below the horizontal. The brakes fail, and the car rolls from rest down the incline for a distance of 29.0m to the edge of the cliff, which is 55.0m

    asked by himel on August 17, 2016
  87. Physics

    Your friend's car is parked on a cliff overlooking the ocean on an incline that makes an angle of 16.9° below the horizontal. The brakes fail, and the car rolls from rest down the incline for a distance of 36.3 m to the edge of the cliff, which is 61.1 m

    asked by Matthew on January 28, 2012
  88. Pre-Calc/Trig

    Please check the first and help with the second-thank you Find all possible rational roots of f(x) = 2x^4 - 5x^3 + 8x^2 + 4x+7 1.I took the constant which is 7 and the leading coefficient which is 2 and factored them 7 factored would be 7,2 2 factored

    asked by Jaclyn on September 12, 2011
  89. Math

    A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a

    asked by *Confusion* on April 29, 2019
  90. Applied Mechanics

    Is my work correct? Two bodies hang on a string 2.1m long. The two bodies have a mass of 3.75kg and 2.4kg respectively. If the 3.75kg mass is raised to a height of 0.545m and released, and if upon impact the mass adhere. Mass1 = 3.75 kg Mass2 = 2.4 kg

    asked by Henri on March 20, 2009
  91. Finance

    Five years ago, you bought a house for $151,000. You had a down payment of $30,000, which meant you took out a loan for $121,000. Your interest rate was $5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

    asked by Taccara on November 12, 2011
  92. Math Finance please help

    Five years ago, you bought a house for $151,000. You had a down payment of $30,000, which meant you took out a loan for $121,000. Your interest rate was $5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

    asked by Taccara on November 14, 2011
  93. Physics

    A flat thin non-conducting ring has an inner radius R1 and an outer radius R2 . The disk is uniformly charged with charge per unit area σ(>0) . (a) What is the electric field at the center, P , of the ring? Express your answer in terms of the following

    asked by P on February 25, 2013
  94. science

    HELP PLEASE!!! ESPECIALLY PART 2 2. The following questions do not require the data above. Answer with the data given in each question. i. There is a total of approximately 12.4 billion acres of agricultural land (cropland, rangeland, irrigated land) on

    asked by ScienceConfusion on November 22, 2009
  95. American Government

    Please check my answers. 1. Which of the following is a reason explaining why prison populations have increased dramatically? A. Many prisons have close down making the ones that remain overcrowded. B. Many new prisons have been built inspiring states to

    asked by M on January 5, 2017
  96. math

    HELP PLEASE!!! ESPECIALLY PART 2 2. The following questions do not require the data above. Answer with the data given in each question. i. There is a total of approximately 12.4 billion acres of agricultural land (cropland, rangeland, irrigated land) on

    asked by ScienceConfusion on November 21, 2009
  97. Biology

    Will you please check my answers? 1. Single-celled organisms that do not have a membrane-bound nucleus are called A. organelles. B. prokaryotes. C. Golgi bodies. D. eukaryotes. 2. In cells, a form of active transport is A. a sodium-potassium pump. B.

    asked by Macy on July 12, 2013
  98. Environmental Science

    What is the purpose of adding alum to water during the water treatment process? a.to filter and remove large organisms and trash b.to form flocs that bacteria and other impurities will cling to c.to prevent bacterial growth d.to remove unwanted gases I

    asked by Mack on April 20, 2007
  99. Calculus

    Consider the curve given by y^2 = 2+xy (a) show that dy/dx= y/(2y-x) (b) Find all points (x,y) on the curve where the line tangent to the curve has slope 1/2. (c) Show that there are now points (x,y) on the curve where the line tangent to the curve is

    asked by Mathew on October 2, 2013
  100. Geometry

    I;m so lost with these questiona. Any help will be appreciated. 1. Find the area of a square if one side measures 27 centimeters. 2. Exactly how many cubic inches of air can a fully inflated basketball hold if its radius is 4.2 inches? Use Pi 3. How many

    asked by Maddy on July 21, 2010

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