1. Spanish

    Please correct my work please: This is what I'm working on: Command form(imperative mood)negative familiar/polite. I have to change the following affirmative commands to the negative form. (write the word no, the object pronoun(s), and the negative command

    asked by John on May 9, 2008
  2. Math

    Which numbers are perfect squares? A) 64 b)900 c)120 d)1000 e)100 F) 10 000 How do u know each number is a perfect square? A) 1225= 35x35 B) 484= 2 x 2 x 11 x 11 C) 2025 = 45(square) the area of this square is 289 square unit. How so u that it's perfect

    asked by Roxane smith on September 11, 2011
  3. math fractions

    •math - Ms. Sue, Sunday, November 16, 2014 at 12:39pm 12 •math - bob, Sunday, November 16, 2014 at 12:56pm Ms. Sue can you tell me how you got that answer please. •math - Ms. Sue, Sunday, November 16, 2014 at 1:09pm Multiples of 6: 6, 12, 18, 24

    asked by bob on November 16, 2014
  4. ap calculus

    The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 6 feet is given as a function of time t (in seconds) by s(t)=-16t^2+112t+20. 1. What is the maximum height of the ball? 2. At what time does

    asked by muffy on September 18, 2009
  5. Cara-Chem

    I made a bobo, which may lead to some confusion. Here is my post revised: You don't need it. Just calculate the new molarity of the acid after addition of NaOH, and then determine the molarity of the acid in solution. How many moles of propionic acid are

    asked by Devron on April 3, 2015
  6. o-chem

    So in lab, I was to oxidize 9-fluorenol to 9 fluorenone. The chemicals I used were: 100 mg. of 9-fluorenol in 6mL of acetone. 0.25 mL of glacial acetic acid and 1.2 mL of a 5.25% sodium hypochlorite solution. My question is if I attempt to oxidize

    asked by struggling with o-chem on May 4, 2009
  7. physics

    Rockets A and B are fired straight upward from rest. Rocket A is launched first and accelerates at 11.2 m/s2. Rocket B is launched 2.10 s after Rocket A and B accelerates at 14.6 m/s2. Solve for the moment in time when the rockets are separated by 484 m.

    asked by Haley on October 17, 2010
  8. statistics

    How do you solve this problem? physical therapy reported that it has been estimated that 80 percent of all lower back pain cases are caused by weak trunk muscles. if 15 patients with lower back pain are examined, what's the probability that 1. exactly 10

    asked by rose on November 23, 2009
  9. Science (Lab)

    So I have yo do a Lab for science (this is our very first lab, well we did a second one) & I really need help. This ia fictional lab experiment not a real one we are not really doing the experiment. Me 7 my group was doing it together we just have to do

    asked by Laruen on October 8, 2011
  10. Chem teacherf

    My teacher last year in General Chemistry was really great. She was highly organized, always prepared for class, approachable and fair. Chemistry is such a hard class that she really helped me get through it. My Organic teacher is another story. She is a

    asked by Sheryl on October 7, 2006
  11. Economics

    This is about economic solution.There are 2 regions but they were given by different each other function of demand and supply.1.First question is we won't sell these products on both regions and you can't transport the product each other.So please find the

    asked by Bayarbold on October 2, 2011
  12. algerbra

    mrs. johnson is 3 times as old as her son. ten years agoe she was 5 times as old as her son was then. what is the two equations for this problem? let x = son's age and y = Mrs. Johnson's age. ============================ y=3x is one equation. 10 years ago

    asked by shay on December 4, 2006
  13. physics

    A bumper car with mass m1 = 100 kg is moving to the right with a velocity of v1 = 4.6 m/s. A second bumper car with mass m2 = 86 kg is moving to the left with a velocity of v2 = -3.8 m/s. The two cars have an elastic collision. Assume the surface is

    asked by stewart on October 14, 2014
  14. Chemistry

    Suppose that 30.0 mL of 0.20 M C6H5COOH(aq) is titrated with 0.30 M KOH(aq). Refer to table 1 and table 2. (a) What is the initial pH of the 0.20 M C6H5COOH(aq)? Using ICE i found to be 2.46 The rest I do not know how to set up or solve... (b) What is the

    asked by Val on March 12, 2010
  15. can somebody help me with this

    College enrollments in the United States are projected to increase from 1995 to 2005 for public and private schools. The models below give the total projected college enrollments in thousands, where x=0 represents the first year 1995. Public College: f(x)

    asked by johnathan on August 28, 2005
  16. English (Macbeth)

    Macbeth Questions 1. (Act IV, i) The witches' pageant provides Macbeth with some important information but in the cryptic form of a prophecy. In other words, it requires interpretation. It is here that we are given the tragic "piece of ignorance" that

    asked by Lucy on November 25, 2006
  17. Chemistry

    S2O82-(aq) + 2I-(aq) ----------> 2SO42-(aq) + I2(aq) (I) Rate = k [S2O82-]x [I-]y Rate1 = k [S2O82-]x [I-]y ƒ´ [S2O82ƒ{] Rate = ƒ{ƒn ------------- ƒ´ƒnt Experiment data Experiment: 0.20M NaI,0.20M NaCl, 0.010M Na2S2O3,2% Starch,0.20M K2SO4, 0.20 M

    asked by Jude on March 8, 2011
  18. algebra- Please help

    10)The formula b=30a is used in New England to estimate the minimum furnace output, b, in BTU's for a modern house with a square feet of flooring. A) determine the minimum furnace output for a 2100 ft squared modern house. B) solve formula for a Answer:a)

    asked by deedee on November 5, 2008
  19. Math

    Need help please! I just need help with creating an inequality and solving it. Ethen considers some fundraisers for the upcoming year. He looks at data from the first fundraiser the club did last year. The club sold a variety of snacks last year. The

    asked by Anonymous on January 25, 2016
  20. Math

    Subtract fractions: The third- graders used the recipes below to make Native American desserts for Multicultural Day. Use the recipes to solve each problem. Cherokee Blackberry cobbler 1/4 quart black berries 1 cup corn meal 1/3 cup milk 3/6 cup honey 2/16

    asked by Nawaf on February 5, 2014
  21. financial managment

    Capital Budgeting and Cash Flow Estimation After seeing Snapple’s success with noncola soft drinks and learning of Coke’s and Pepsi’s interest, Allied Food Products has decided to consider an expansion of its own in the fruit juice business. The

    asked by de de on November 13, 2007
  22. spanish

    There are many electrical appliances in my house. There are light bulbs in every room. But they need to be repaired because they don't turn on. There is an oven and a dishwhasher in the back of the kithchen. There is a fan in my bedroom, but i don't turn

    asked by y912f on May 10, 2009
  23. Physics

    Can you please show me how these answers are reached. A fully loaded Cessna-182 airplane of mass 1290 kg has an engine failure when flying with an airspeed of 139 km/h at an altitude of 2670m on a calm day. It then glides at a constant glide angle (which

    asked by Kelly on March 11, 2011
  24. math 115

    I am stuck with this problem can some let me know how to work this problem please help me The representative tells you that floor plan #1 sells for $300,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are

    asked by Donna on October 6, 2010
  25. math 115

    I am stuck with this problem can some let me know how to work this problem please help me The representative tells you that floor plan #1 sells for $300,000 and floor plan #2 sells for $200,000. She also mentions that all the available houses combined are

    asked by Donna on October 6, 2010
  26. Math/Statistics

    The number of megapixels in a digital camera is one of the most important factors in determining picture quality. But, do digital cameras with more megapixels cost more? The following data show the number of megapixels and the price ($) for 10 digital

    asked by ANAHI on November 6, 2014
  27. Math

    The number of megapixels in a digital camera is one of the most important factors in determining picture quality. But, do digital cameras with more megapixels cost more? The following data show the number of megapixels and the price ($) for 10 digital

    asked by ANGELA on November 6, 2014
  28. environmental science

    A local reporter has called you for help with an article on population growth in developing countries. He begins the article with the fact that over a billion people in developing nations live in households that have too little land to meet even their own

    asked by donna on October 15, 2008
  29. Physics- drwls please help

    Please tell me where I am going wrong. A 59.5 kg person, running horizontally with a velocity of +3.90 m/s, jumps onto a 12.2 kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and

    asked by Mary on March 3, 2007
  30. math

    This is the question and what I have so far is under it. "Given the length of a femur, f, in centimetres, a person’s height can be determined using the equation H=2.4f+61.4, where H is the height of the person in centimetres. Suppose this equation has a

    asked by Anonymous on September 16, 2014
  31. Spring stiffness

    A spring has stiffness of 100Nmm, the initial compression of the spring is 15mm, and it is then compressed to 65mm. a)Find potential energy at 15mm: K=100Nmm*1000=100000Nm Ep=Kc^2/2 Ep=(100000*0.015^2)/2 Ep=11.25 joule (ans.) b)Find Ep at 65mm:

    asked by Henri on April 22, 2009
  32. English IV

    Would this work for a thesis on Douglas Adams: Douglas Adams used Proto Science Fiction to write The Hitchhiker’s Guide to the Galaxy and uses satirical tone when discussing politics. welcome :) that's good you might want to be more spacific in what

    asked by Summer on July 6, 2007
  33. History

    1. What belief united the Progressive movement? A) that society's problems could be solved B) that education needed reform C) that there should be a federal income tax D) that political bosses should not hold office 2. What was the main reason for the

    asked by Amilia on February 2, 2017
  34. social studies help assap

    which of the following effects of the french and indian war most contributed to smuggling in the colonies? increased taxes from the crown enforcement of the navigation acts presence of british soldiers in the colonies removal of the spanish from flordia

    asked by social studies on December 3, 2014
  35. MATH

    Air pressure at sea level is 30 inches of mercury. At an altitude of h feet above the, air pressure, P, in inches of mercury, is given by, P =30e^(-3.23x10-5h) a)Find th equation of the tangent line at h=0. b)A rule of thumb is given by travelers is that

    asked by FARJANA on August 7, 2015
  36. math

    will someone check my work please?A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? 950 seconds Gasoline accounts for 85% of the motor

    asked by callie on September 30, 2009
  37. Accounting

    Solve for trade accounts receivable, allowance for doubtful accounts, and prepare current assets section of balance sheet as of 12/31/04. Ending Balance Item - 12/31/03 - 12/31/04 Cash - $20,000 - $15,000 Trade accts rec - $40,000 - $??? Allowance for

    asked by carreena on August 5, 2006
  38. Statistics

    Fortune magazine publishes an annual issue containing info on Fortune 500 companies. The following data show the six states with the largest number of Fortune 500 companies as well as the number of companies headquartered in those states. State # of

    asked by Frank on January 18, 2007
  39. Gauss' Law!!!!!!!!!!

    Can any one help me for this problem? The cube in Figure 23-27 has edge length 1.40 m and is oriented as shown in a region of uniform electric field. Find the electric flux through the right face for the following electric fields, given in newtons per

    asked by Lauren on February 14, 2007
  40. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous on April 15, 2013
  41. physics

    In the sport of skeleton a participant jumps onto a sled (known as a skeleton) and proceeds to slide down an icy track, belly down and head first. In the 2010 Winter Olympics, the track had sixteen turns and dropped 126 m in elevation from top to bottom.

    asked by Anonymous on April 15, 2013
  42. ethical issues

    Has anyone read case study "Foreign Assignment". After the meeting with Sara, Tom Fried emailed you. In the email, he explained the situation and asked your advice. In your email reply back to Tom, address the following: What obligations do you feel the

    asked by cat on October 30, 2006
  43. Algebra

    John is thinking about buying a house for $179,000. The table below shows the projected value of two different houses for three years. Number of years 1 2 3 House 1 (value in dollars) 186,160 193,606.40 201,350.66 House 2 (value in dollars) 190,000 201,000

    asked by Please help on August 19, 2019
  44. french

    SraJMcGin, Im not sure what my instructions for my work means or what i am supposed to do. Donnez des ordres aux gens pour completer une tache (Come up with an imaginary task) en utilisant l'infinitif en forme de l'imperatif (VERBE QUI TERMINE EN -ER, -IR

    asked by Rose on July 15, 2015
  45. Math

    Machine A was able to finish copying a set of document in 36 minutes. Machine B was brought in to work together with machine A to finish copying the document in 20 minutes. How long would it take machine B to finish copying the document by itself

    asked by John on September 9, 2016
  46. Chemistry

    A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

    asked by Patrick on January 16, 2011
  47. Chemistry

    A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting

    asked by Patrick on January 16, 2011
  48. English

    Before you begin drafting your research presentation, review your research notes and the rubric. Consider the topic of your presentation. It’s important to ensure that your topic is narrow and focused. If it’s too broad, you will have trouble capturing

    asked by Alex on May 29, 2019
  49. MODERN HISTORY/WORLD

    Here is my ANSWER for the first part of the question .please tell me what do you think of it? did i do it correctly? question: 1. As industry spread, the British government initiated reforms to improve workers’ lives. What motivated reforms in Britain?

    asked by Rachael Maggie on September 8, 2014
  50. someone explain to me!

    the third term of a geometric sequence is t3= -75 and the sixth term is t6=9375. determine the first term and the common ratio. how do I do this question I am tying really hard but I still don't comprehend this question! We have t3 = -75 and t6 = 9375. A

    asked by Andrew on October 18, 2006
  51. 6th grade Math

    Your group has 12 red tiles and 18 blue tiles. Your job is to arrange the tiles in rows. You must use all the tiles, a row can only contain only blue or only red tiles, each row can only contain the same number of tiles, and the rows should be as long as

    asked by Jared on August 29, 2018
  52. accounting

    Jan.1 Beginning Inventory..300 units @ $3.00 Mar.5 Purchase..........… 900 units @ $4.00 Sept.3 Purchase...........… 1,000 units @ $5.00 Nov. 4 Purchase....… 500 units @ $7.00 During 2011, 1,000 units are sold at $10.00 each. Assume that the Periodic

    asked by Bill on November 3, 2010
  53. English

    Need help with introduction: The Medieval Period began in 1066 and lasted until 1485. During this time period many literary works were produced. Many writers used their work to reflect the important events of that era. Most influential to literature of

    asked by Emily on July 11, 2008
  54. Math

    The question says using the formula P with a small n below it(Pn) Pn=PMT(1-(1+i)^-n/i) the full parenthesis is divided by the I just to be clear Pn=present amountborrowed n=number of monthly pay periods PMT=monthly payment i=interest rate per month A)

    asked by sara on March 10, 2019
  55. Algebra II

    Log6(6^9)=??? Answer: 9 Ine^-3x=??? Answer: -3x Use log5(2) = 0.4307 and log5(3) = 0.6826 to approximate the value of log5(12) Answer: log5(2) + log5(3)=log5(2^2*3) 2(0.4307) + 0.6826=1.544 so approximate value of log5(12)=1.544 I appreciate your checking

    asked by Lucy on March 29, 2008
  56. english - last

    7) Surrounded by mountains and 7,400 feet above sea level, Mexico City (A) suffers from both (B) kinds of air pollution, the photochemical reaction of Los Angeles (C) or the thermal inversion of New York. A) suffers from B) kinds of air pollution C) or D)

    asked by rose- Ms. sue on May 27, 2008
  57. Science

    Smithers thinks that a special juice will increase the productivity of workers. He creates two groups of 50 workers each and assigns each group the same task (in this case they are supposed to staple a set of papers). Group A is given the special juice to

    asked by Cheyenne on September 6, 2007
  58. computer science

    Hey I have three questions with creating these methods, thanks. Write a Function You will be given one of the following problems to solve using and writing Java functions. 1. Given a list of words, return an array which indicates the frequency that each

    asked by Ben on May 28, 2010
  59. physics

    1.when a person diet's is their goal to lose weight?explain. 2.a man enters an elevator holding 2 boxes one on top of the other the top box has a mass of 6.0kg,the bottom box has a mass of 8.0kg. the man sets the 2 boxes on a metric scale sitting on the

    asked by errol on June 17, 2014
  60. prob & stat

    An academic department with five faculty members—Anderson, Box, Cox, Cramer, and Fisher—must select two of its members to serve on a personnel review committee. Because the work will be time-consuming, no one is anxious to serve, so it is decided that

    asked by jay on July 10, 2015
  61. 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
  62. Biology

    Grant’s DNA sample has a concentration of 45µg/mL, and he has 350µL of solution. Which of the following answers would allow him to run the proper amount of DNA on a quality control gel? A) He should dilute the sample 1:10 and load 10uL on the gel B) He

    asked by briana on November 29, 2017
  63. Chemistry

    Iron (III) Oxide reacts with Aluminum to form Aluminum Oxide and Iron. If I have 255 g of Aluminum and unlimited Iron (III) oxide, how many grams of Iron will form? I am really not sure how to work with this. What does it mean when it says that the iron is

    asked by Erin on January 21, 2017
  64. volume:ration

    A worm has a diameter of 2.4cm and its length is upto 1.9M. a)How do I calculate the surface area? b)How do I calculate the volume? c)How do I work out the volume ratio of the worm? Please help! Thanx kim xxx Surface area= PI*2*radius * length] Volume= PI

    asked by Kim on November 17, 2006
  65. Finance

    You plan to open a retirement account. Your employer will match 50 percent of your deposits up to a limit on the match of $2500 per year. You believe the fund will earn 12 percent per year over the next 30 years, and you will make 30 deposits of $5000,

    asked by katie on February 23, 2013
  66. math

    1. You have recently found a location for your bakery and have begun implementing the first phases of your business plan. Your budget consists of an $80,000 loan from your family and a $38,250 small business loan. These loans must be repaid in full within

    asked by Jilly bean on October 14, 2009
  67. Geography

    All of the following are the result of the increase in large-scale, green revolution agriculture in the region, except: A. more than 2 million small farmers have been forced to sell their land in Brazil alone since 1985. B. there has been an increase in

    asked by Jake on October 12, 2017
  68. Western Civilization

    I have five questions asked here. Feel free to answer just one of them, only, please use the numbering system I have set up here. Thanks so much! 1. Why do you think World War Two erupted so soon after World War One, which was supposed to have been “The

    asked by Jarrod on May 13, 2008
  69. Math

    The antibiotic ampicillin sodium has 2.9 mEq Na+ per gram. If you prepare an IV with 2 grams of ampicillin in 100 ml NaCl solution, how many milliequivalents of sodium are in the IV? (A) mEq Na+ in 2 g ampicillin sodium (B) mEq Na+ in 100 mL 0.9% NaCl (C)

    asked by Natasha on April 7, 2019
  70. English12 (EssayCheck Part 2)

    I know I posted this but, I need suggestions on my essay. I'm going to break this into parts so it doesn't look so long make it easier. Please give me any feedback. I just want to know what you think about it. Don't worry about grammar errors for now. I

    asked by NeedHelp on December 3, 2011
  71. Math

    Use place value to solve please. Pablo has a piece of wire that is 0.08 meters long. Beth has a piece of wire that is ten times as long as Pablo's wire. Li's wire is 1/10 as long as Pablo's. How long is Beth's wire? How long is Li's wire? Beth has .80 and

    asked by Anonymous on September 8, 2015
  72. Psychology

    What are some problems with the following research study and how can I improve them? A researcher is interested in testing whether violent films make people more aggressive (the hypothesis). He asks his research assistants to wait outside the Friday night

    asked by Leslie on February 25, 2011
  73. Physics ( Calculus & Mecahnics )

    A proton with mass m moves in one dimension.The potential-energy function is where and are positive constants. The proton is released from rest a x0 = a/b. (a) Show that can be written as U(x) = a --- [ ( x0/x )^2 - x0/x ] x0^2 Graph U(x). Calculate U(x0)

    asked by Clark on January 23, 2011
  74. Astronomy

    Zodiac signs in alphabetical order with least to most characters. Is this right? Leo, Aries, Libra, Virgo, Cancer, Gemini, Pisces, Taurus, Scorpio, Aquarius, Capricorn, Sagittarius my work: Aquarius (8) Aries (5) Cancer (6) Capricorn (9) Gemini (6) Leo (3)

    asked by Beetriss on December 4, 2017
  75. physics

    A spring with a spring-constant 2.2 N/cm is compressed 28 cm and released. The 4 kg mass skids down the frictional incline of heigh 43 cm and inclined at a 22 degrees angle (g = 9.8 m/s^2) The path is frictionless except for a distance of 0.9 m along the

    asked by Mimi on October 6, 2010
  76. algebra

    what is the square root of -2?\ how would you solve this equation: square root of -2(square root of -18) + square root of -25?

    asked by Anonymous on December 26, 2010
  77. algebra

    Solve log 1/100 = log(10x + 2). Do you mean (log 1)/100 or log (1/100)? If the latter, then 1/100 = 10 x + 2 Take it from there

    asked by gloss on June 22, 2007
  78. Health

    Please check 1. Which is a common viral disease? A. strep throat B. lyme *** C. tuberculosis D. common cold 2. which statement is about the flu? A. there is no cure B. there is usually a fever *** C. It typically lasts 3-7 days D. it spread by contact with

    asked by Anonymous on March 11, 2015
  79. maths linear eqautions

    i have a number of sweets in a bag. if i removed three of them and divided the number remaining by 4, i would have two fewer than if i removed 7 and divided the number remaining by 3. How many sweets do i have (N-3)/4 = (N-7)/3 +2 check my thinking. I see

    asked by fussiilat on September 14, 2006
  80. Excel

    I have my employee schedule in a excel sheet. It is a weekly schedule that doesn't change week by week, but changes day by day within a week. Every Monday, Tuesday, etc. is the same schedule. In the file are days for Monday, Tuesday, etc.. I don't know if

    asked by John on June 28, 2013
  81. physics

    1. The equilibrium constant for a certain system is 50 at 25 celsius. Calculate the free energy change 2. When the fee energy change: a) =0, the position of the equilibrium, temperature * change in entropy, free energy change at standard states

    asked by POPPY on April 8, 2019
  82. Latin

    1.'hic Danaos ad tecta ruentes 2.cernimus,obsessumque acta testudine limen. 3.haerent parietibus scalae;postesque sub ipsos 4.nituntur gradibus,clipeosque ad tela sinistris 5.protecti obiciunt,prensant fastigia dextris. 6.Dardanidae contra turres ac tecta

    asked by Anonymous on May 24, 2008
  83. Valentin Frech

    need to know what a card with the picture of a boy hiding behind a heart might be. I got: Carte de _ _ _ H _ I _ _ I don't know what it is :( 1.) Dis a tes _ _ _ _ combien tu les amies. 2.) Ce qu'on ressent pour ses amis. 5.) On en envoie une a celui qu'on

    asked by Sammy on February 18, 2007
  84. calc: arc length

    find the exact length of this curve: y = ( x^3/6 ) + ( 1/2x ) 1/2

    asked by COFFEE on June 11, 2007
  85. physics

    It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 67.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

    asked by mehmet kaya on November 18, 2014
  86. Physics repost

    I apologise for reposting this question but it is still not working out for me. I know that: speed of light c=3.0x10^8 Time interval delta t=0.19x10^-9s The relationship between actual time and roudtrip distance is d=ct Also if there is and uncertainty of

    asked by Mary on October 17, 2007
  87. As physics

    Silver plating: A student attempts the process of silver plating to determine the mass of a silver atom. a series of objects are measured, then electroplated for a measure period of time, while maintaining a steady current through a solution of silver

    asked by cylinder on January 4, 2018
  88. Math

    You can register a pickup truck as a passenger vehicle if the truck is not used for commercial purposes and the weight of the truck with its contents does not exceed 8500 pounds. Your pickup truck weighs 4200 pounds. Write an inequality to represent the

    asked by Anonymous on March 22, 2017
  89. math

    Highway engineers often use quadratic functions to model safe distance for cars. For example, f(x)= 1/2 x^2 + 4/5x is sometimes used to model the stopping distance for a car traveling at X miles per hour on dry, level pavement. If a driver can see only 200

    asked by jun gajetos on September 3, 2014
  90. science

    whats my height in meters? my height is 5'3" 63 inches x 2.54 cm/inch = 160.0 cm = 1.600 meters You learn to do these by dimensional analysis. We know there are 39.37 inches in 1 meter. First, convert your height to inches so we are dealing with one item

    asked by alejandra on September 9, 2006
  91. space

    What is the force of gravity at 220 miles above Earth's surface? Calculate how much of a g force the astronauts are actually experiencing. The solution for this math problem is a percentage. You can calculate it using the Algebraic equation: gr = R2/r2 x g

    asked by Annie on January 21, 2010
  92. math

    A map indicates that two cities are 160 miles apart. The scale of the map is 1/2 inch= 20 miles. 1. how many inches apart are the cities on the map. 2. Another map show the two cities has a scale of 3/4 inch =20 miles. How many inches apart are the two

    asked by alicia on January 27, 2013
  93. college-Intermediate Microeconomics

    The Lump Sum Principle In the 1980s Margaret Thatcher was the British Prime Minister. She was very popular and e ective until she pushed for the idea of a so called lump-sum tax. The lump-sum tax is one in which every citizen pays a single xed payment.

    asked by Derek on October 8, 2008
  94. Biology

    Animal cells can take up sucrose against its concentration gradient using a Na+/sucrose symporter. Indicate if the following statements are true or false. 1. In the Na+/sucrose symporter Na+ is also moving against its concentration gradient. False 2. For

    asked by Cady on September 29, 2011
  95. Calculus

    The ideas we are practicing in these exercises can be put to practical use. A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great

    asked by Anonymous on February 2, 2011
  96. Computers

    1. Which of the following study tools would work well for studying Vocabulary? A. making an outline B. summarizing the textbook C. flash cards*** D. comparing notes to the test 2. Which of the following is helpful when studying for a test? A. hanging out

    asked by Shimme on February 10, 2015
  97. math, algebra

    can someone correct this for me. The pie that i'm using looks like this: it says that second day airfrieght is 40% next day airfrieght is 15% truck is 45% The problem says: If the company shipped a total of 550 items last month, how many were shipped using

    asked by jasmine20 on January 5, 2007
  98. disease

    Case Study..... Judy was 18 when the terrible crash happend. While judi was returning home from work, a driver ran a red light and smashed into the drivers side of judis car. she was unconcious when she arrived at the hospital. swelling in the brain

    asked by Arron on October 12, 2012
  99. Economics

    You have opened your own word processing service. You have already bought a special computer needed for word processing and paid $5,000 for it. However, due to the cost changes in the computer industry, the current price of an equivalent machine is $2,500.

    asked by Damone on October 11, 2012
  100. Chemistry

    1. Which of the following is one way to prevent the corrosion of iron? A. Paint exposed iron parts with protective paint. B. Protect the iron from polluted air. C. Add carbon to the iron. D. Let the iron develop a natural coat of carbonate. 2. The source

    asked by StarBuddy on October 3, 2013

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