1. math

    You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40%

    asked by Fatih on February 15, 2012
  2. Calc

    You are a lab technician and must create 250 ml of a 17% salt-solution. a. If you have 500 ml of 28% salt-solution, how many milliliters of it should you mix with water in order to create 250 ml of a 17% salt-solution? b. If you have 400 ml of 40%

    asked by Fatih on February 16, 2012
  3. Physics

    A quarterback throws a football toward a receiver with an initial speed of 21 m/s at an angle of 30° above the horizontal. At that instant, the receiver is 12 m from the quarterback. In what direction and with what constant speed should the receiver run

    asked by Elisa on June 1, 2008
  4. French-for SraJMcGin.

    Thank you so much!!!! I'm really sorry that I could not post back a.s.a.p to all your posts.Thoses posts were SO Helpful! Don't worry about the links, because I have searched for it and it was brilliant! I don't have a problem with memorising the vocabs, I

    asked by Pauline on April 21, 2007
  5. physics

    Which statements are true for the resistivity of a metal conductor: It depends on the temperature of the material. It becomes smaller as the cross-sectional area of the material becomes smaller. It is positive for copper but negative for carbon. It has

    asked by isabelle on September 28, 2011
  6. Physics

    A point charge q = -2.41 nC is initially at rest adjacent to the negative plate of a capacitor. The charge per unit area on the plates is 4.67 μC/m2 and the space between the plates is 6.53 mm. What is the potential difference between the plates? What is

    asked by Ashley on February 2, 2012
  7. physics

    A two-stage rocket moves in space at a constant velocity of +4660 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1240-kg upper stage is +5570 m/s. What is the

    asked by Tyler on January 19, 2017
  8. physics

    A two-stage rocket moves in space at a constant velocity of +4890 m/s. The two stages are then separated by a small explosive charge placed between them. Immediately after the explosion the velocity of the 1380-kg upper stage is +5660 m/s. What is the

    asked by BrookeNeed on October 27, 2016
  9. marketing

    Your team has been hired by ABC company’s senior management to conduct a research project. The company has 40 employees and has been in business for 25 years. The company offers sales & service on all sizes of new Xerox copiers. The company has been

    asked by Jeff on October 3, 2010
  10. Social studies

    Which of the following accurately describes a surplus? Consumer demand for a certain car is below the number of cars that are produced. The production costs for a certain car are below the sale price of that car. A car company tries to charge too high a

    asked by Jen on March 14, 2012
  11. LA

    Choose the option that best completes the multi-draft reading process for poetry. First Read: Read to unlock the basic meaning of the poem. Second Read: ????? Third Read: Find relationships between ideas in the poem. 1. Consider how the poems structure

    asked by Help please on January 25, 2017
  12. check!

    Posted by Anonymous on Thursday, February 22, 2007 at 12:20pm. The following statement describes, in random order, events during the transmission of a nerve impulse. Use them to answer the next \g question(s). Event 1: Positive ions flow into the neuron.

    asked by Anonymous on February 22, 2007
  13. math,algebra II

    I have to work with these types of problems dealing with matrises can someone show me how to solve them.Heres one of them: Directions: Find the values of the variables in each equation in the first matrix it looks like this a+2 3z+1 5m 4k 0 3 then theres a

    asked by jas on June 6, 2007
  14. English

    Can you check if the following sentences are grammatically correct? Thank you very much for your invaluable help. 1.Septimus is not understood by his wife. 2.Clarissa and Septimus have both a weak personality OR …. both have 3.In the third kind of

    asked by Franco on May 31, 2010
  15. Physics

    At a time when mining asteroids has become feasible, astronauts have connected a line between their 3400 kg space tug and a 6000 kg asteroid. Using their ship's engine, they pull on the asteroid with a force of 490 N. Initially the tug and the asteroid are

    asked by Lisa on September 3, 2008
  16. Algebra 2

    A large asteroid crashed into a moon of a planet, causing several boulders from the moon to be propelled into space toward the planet. Astronomers were able to measure the speed of one of the projectiles. the distance (in feet) that the projectile traveled

    asked by Nicole on February 18, 2015
  17. micro

    We assume that when a firm hires additional workers, the marginal physical product of labor will: 1. decrease because each worker now has less capital and other resources to work with. 2. decrease because the new workers are likely to be less able than the

    asked by lisa on April 22, 2015
  18. Algebra - rate of change help

    The price of products may increase due to inflation and decrease due to depreciation. David is studying the change in the price of two products, A and B, over time. The price f(x) in dollars, of product A after x years is represented by the function below.

    asked by Destiny on November 18, 2014
  19. Math

    Please help! Struggling on these few. Thank you :) 2. Which list has the numbers in order from least to greatest? 9.4 × 102, 4.9 × 102, 9.4 × 103 9.4 × 103, 4.9 × 102, 9.4 × 102 4.9 × 102, 9.4 × 102, 9.4 × 103 4.9 × 102, 9.4 × 103, 9.4 × 102 3.

    asked by Um on February 14, 2018
  20. operation management

    A firm is planning to set up an assembly line to assemble 40 units per hour. Assume that 57 minutes per hour are productive. The time to perform each task and the tasks preceding each task are as follows: Task Preceding Task Time to Perform (Min) A - 0.69

    asked by monica on August 2, 2010
  21. Need help! French Exam tomorrow!

    Hey, Can anyone here pleasseee help me out?? I have my French final exam tomorrow and I have to prepare about 4 different essays of about 100-120 words each. I have written the first one but am not sure if the grammar is correct. I've put the english

    asked by Ruchi on November 9, 2006
  22. Algebra

    The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price of two products, A and B, over time. The price f(x), in dollars, of product A after x years is represented by the function

    asked by help please with algebra on December 15, 2016
  23. English

    Identify the gerund and gerund phrases in the following sentences. 1. A catamaran is a sailboat made by joining two separate hulls together. GP= joining two separate hulls together, G=joining 2. Leaving a little space between the two hulls is important.

    asked by Susanne on February 7, 2010
  24. criminal law

    I'm needing help understand this assignment on the last question comparing Courtroom Participants: Fiction versus Reality and the links given for fiction courtrooms has nothing to do with the show law and order to be able to compare with the reality courts

    asked by Tina on April 18, 2009
  25. Physics

    I'm having some trouble with this question A 4200-kg rocket is traveling in outer space with a velocity of 120m/s toward the Sun. It needs to alter its course by 23 degrees, which can be done by shooting is rockets briefly in a direction perpendicular to

    asked by Joe on January 13, 2010
  26. physics

    Suppose a cylindrical habitat in space 7.70 km in diameter and 25.0 km long has been proposed. Such a habitat would have cities, land, and lakes on the inside surface and air and clouds in the center. They would all be held in place by rotation of the

    asked by Rachel on March 12, 2011
  27. English LAST 1. (:

    It's about MLk I Have A Dream speech. Why does King use the rhetorical technique of parallel structure in his speech? A)to show that he is aware of the time that has passed B)to show that others are not aware of the time that has passed C)to show that two

    asked by Don on February 4, 2015
  28. physics please help

    How many grams of carbohydrate does a person of mass 75 kg need to metabolize to climb five flights of stairs (15 m height increase)? Each gram of carbohydrate provides 17.6 kJ of energy. Assume 10.0% efficiency—that is, 10.0% of the available chemical

    asked by Nasir on June 11, 2012
  29. physics

    A two staged rocket moves in space at a constant velocity of 4900m/s. The two stages are then separated by a small explosive charge between them. Immediately after the explosion the velocity of the 1200kg upper stage is 5700m/s in the same direction as

    asked by Natasha on March 12, 2012
  30. English

    These are the very last things. Thank you very, very much. 1) In Joyce’s story The Sisters Nannie brings a decanter of sherry and some wine-glasses and invites the protagonist to take a little glass of wine. 2) Briefly refer to the plot of Joyce's tale

    asked by John on June 23, 2013
  31. calculus

    One bicycle is east of an intersection , and it is travelling towards the intersection of 9 miles per hour. at the same time a second bicycle is south of the intersection , and it is travelling away from the intersection at the rate of 10 miles per hour.

    asked by uGinn on July 26, 2017
  32. college

    unadjusted trail balance(December 31,2008)(Bed Bugs R Us Ltd): prepaid rent $8,000 rent expense $24,000 adjusting entry question: 4 months worth of prepaid rent had been purchased on September 1 2007 in an adjacent building to b used as thier office. The

    asked by Tharaka on July 20, 2009
  33. accounting and finance

    unadjusted trail balance(December 31,2008)(Bed Bugs R Us Ltd): prepaid rent $8,000 rent expense $24,000 adjusting entry question: 4 months worth of prepaid rent had been purchased on September 1 2007 in an adjacent building to b used as thier office. The

    asked by Tharaka on July 20, 2009
  34. statistics

    Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range, variance, and standard deviation for the sample data. Is the lowest duration time unusual? Why or why not? 71, 100, 237, 199,

    asked by slomo on February 13, 2015
  35. Economics

    How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next

    asked by Britt on January 31, 2008
  36. Economics

    How does increasing or decreasing the quantity of capital goods produced this period affect next period's production possibilities curve and why? The only thing I can think of is that if more products are produced this period, less can be produced next

    asked by Britt on January 30, 2008
  37. problem solving

    How much space does the dining area take up? 100 guests, each guest requires 3m2 in the dining area, the average mass of each guest is 65 kg, and the average density of the dining area is 10kg/m2 How I can resolve this problem?

    asked by Bob on July 28, 2013
  38. physics

    A jewel thief decides to hide a stolen diamond by placing it at the bottom of a crystal-clear fountain. He places a circular piece of wood on the surface of the water and anchors it directly above the diamond at the bottom of the fountain, as shown below.

    asked by vanessa on May 16, 2007
  39. Java Programming cpt167

    SPECIFIC DIRECTIONS The cabin specifics: it’s still a simple rectangular structure, but now you’re only concerned with the walls—we’ll just forget about the ceiling for the rest of our planning exercises. You’ll still need to request the users

    asked by Traci on September 16, 2015
  40. 6 th grade SS

    Can you check my answer What do you think the political and economic future of Cyprus will be like? The future of Cyprus will be a future governed by a new and different governmental and political structure. Like focusing on the economy instead of the

    asked by Crystal on December 2, 2015
  41. Chemistry

    Which of the following statements are true? 1) All the gas molecules in a sample cannot have the same kinetic energy. 2) The temperature of a gas sample is independent of the average kinetic energy. 3) There are gas molecules that move faster than the

    asked by Hex on October 13, 2018
  42. Lang Arts

    Which of the following additional text features would best support the main idea of the seven wonders of the world story( its about the ancient wonders) A. a map showing the locations of the seven wonders of the modern world B. a graph that shows how much

    asked by Lawrence on November 6, 2017
  43. math

    The Burbank Buy More store is going to make an order which will include at most 60 refrigerators. What is the maximum number of TVs which could also be delivered on the same 18-wheeler? Describe the restrictions this would add to the existing graph. The

    asked by at a lost on March 8, 2013
  44. math statitics

    The makers of the MAGNETIZER Engine Energizer System (EES) claim that it improves gas mileage and reduces emissions in automobiles by using magnetic free energy to increase the amount of oxygen in the fuel for greater combustion efficiency. Following are

    asked by Tyra on April 15, 2013
  45. Corporate Finance

    Suppose a company will issue new 5 year debt with a face value of $1000 and a coupon rate of 8 percent, paid annually.If the issuing price is $1080 and the tax rate is 40 percent.what is the after-tax cost of debt?If the expected rate of return of the

    asked by Jing on June 28, 2015
  46. Math

    Statistics Help Space shuttle astronauts each consume an average of 3000 calories per day. One meal normally consists of a main dish, a vegetable dish, and two different desserts. The astronaus can choose from 10 main dishes, 8 vegetable dishes, and 13

    asked by Karinna on December 17, 2007
  47. Anatomy

    Which statement is correct regarding thick filament structure? All the myosin molecules are arranged with their tails pointing away from the M line. The free myosin head has three globular protein subunits. It consists of a core of titin, forming a strand

    asked by Amy on September 26, 2013
  48. Physics(Rotational Energy)

    Suppose three masses are arranged as shown, connected by a rodless mass. (2 kg)-------(6 kg)--------(4 kg) 2m 3m a) If this object is free to rotate in space, about what point will it spin? b) A small mass (m=0.1 kg) drops vertically onto the2 kg mass

    asked by ChristinaNguyen on July 16, 2012
  49. Chemistry (Check)

    Completion 1)Metric 2)Five 3)Meter 4) 5)Weight The International System of Units (SI) is a revision of the ___1____ system. There are __2____ SI base units. In SI, the base unit of length is the ___3____. The Space taken up by a cube that is 10cm on each

    asked by Bryan on January 19, 2007
  50. Math

    Math help please? Eric, Jose, Shannon, and Jackie wanted to plant a garden. Jose’s dad said they could use a rectangular space in the backyard that was 8 m by 4 m. The friends decided they would first like to make a colorful border for the garden using

    asked by Nicki on July 28, 2011
  51. physics

    help me please? I'm lost... A small space probe is put into circular orbit about a newly discovered moon of Saturn. The moon's radius is known to be 550km. If the probe orbits at a height of 1500km above the moon's surface and takes 2.0 earth days to make

    asked by Ricky on December 5, 2017
  52. physics

    help me please? I'm lost... A small space probe is put into circular orbit about a newly discovered moon of Saturn. The moon's radius is known to be 550km. If the probe orbits at a height of 1500km above the moon's surface and takes 2.0 earth days to make

    asked by Ricky on December 5, 2017
  53. Algebra,Math, graphs help

    This is what the directions state to do: (A) Complete the table,(B)describe the resulting graphs by identifying the vertex point, (c) the graph’s direction, (d) and any axis intercepts gleaned from the table or graph. Problem #1 Equation is : y = -x + 1

    asked by jasort20 on April 11, 2007
  54. Science

    Some of the mitochondrial electron transport carriers (the cytochromes) absorb light at characteristic wavelengths when they are carrying the extra electrons from NADH but not when they give up the electrons to the next carrier. Thus, the light absorption

    asked by Kyle on October 23, 2018
  55. Science

    What is a muation? A. A mutation is a permanant change in the order of bases in the DNA. B. A mutation is a temporary change in the order of bases in the DNA. C. A mutation is a permanant change in the way a cell carries out mitosis. D. A mutation is a

    asked by Anonymous on October 15, 2014
  56. Math

    Solve Mentally with conversion to decimals, no calculation of common denominators. Place the following in ascending order(smallest to largest) 1/4 8/9 7/10 9/21 7/16 2/3 2/47 5/6 3/4 3/5 1/13 1/8

    asked by Angela on April 3, 2013
  57. Literature

    In order to get an idea of significant subject areas in a chapter, it is best to read the: A. subheads. B. graphics. C. captions. D. table of contents.

    asked by max on May 22, 2013
  58. S.S

    I have a quiz tommorow and I need help finding away I can remember the top ten mager wars we have had in order that they happened. Please help me. I have tried but it gose in one ear and out the other. Thank You

    asked by titi on September 13, 2007
  59. math

    i already asked this question for how to divide (x^2 +2x) / 2x-1 i need to find the quoyient not how to simplify it. I need to use the quotient in order to graph an oblique asymptote. can it not be divided?

    asked by lyne on November 16, 2009
  60. maths

    how do i slove this equation?? x ^2 – x = 0 First you can factor it. x(x-1) = 0 In order for their product to = 0, one of the two terms, x or x-1, must be 0. What does that leave you for the other possible value of x? I hope this helps. Thanks for

    asked by sarah on May 10, 2007
  61. social studies

    The _______ demanded that Latin American countries keep their financial affairs on order or risk intervention by the United States.

    asked by Anonymous on October 26, 2012
  62. physics

    In order to clearly read a book 16 cm away, a farsighted girl needs an image to be 36 cm from her eyes. What focal length is needed for the lens in her eyeglasses?

    asked by A on May 14, 2013
  63. Math

    34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.

    asked by A.W. on November 26, 2008
  64. life orientation

    identify three courses or study fields/ career paths in order of preference and provide two reasons for eeach choice.

    asked by sandiswa on March 12, 2014
  65. math

    There are five different sizes of wood planks used to build a deck. Before starting the project you must compare them and put them in ascending order. 3 ½ ft. 11/3 ft. 3.55 ft. 2.9 ft. 4.1 ft. Help plz.

    asked by Hannah on November 23, 2016
  66. chemistry

    Comper the size of the sodium,carbon(in the dextrose), nitrogen, and silver atoms.list them in order of smallest to largest.?

    asked by Anonymous on December 21, 2010
  67. Social Studies

    Lesson 12 Unit 2 quick check: The major countries of Europe set up colonies in Africa and Asian in order to

    asked by Kalayah on November 29, 2017
  68. chemistry

    A gaseous mixture at a constant temperature contains O2, CO2 and He. List the three gases in order of increasing average molecular speed. THANKS.

    asked by Yoda on January 5, 2011
  69. biology help

    Pick one of the multiple choice that best matches the answer. For grasshoppers and locusts to be in the same family they must also be in the same a. order b. group c. genus d. species

    asked by kim on May 18, 2010
  70. Chemistry 112

    Can someone please explain to me how to calculate reaction order with respect to something? I've read this in my textbook, and I watched videos on YouTube, but I still don't understand. Please help.

    asked by Aiyana on January 30, 2017
  71. sociology

    Which of the following is something groups must do in order to function effectively? a.choose leaders b.define boundaries c.set goals d.assign tasks e.all of the above

    asked by andrew on November 18, 2018
  72. History

    Can someone check this? The organizational patter of the Gettysburg Address is: A. problem and solution B. Compare and contrast C. Chronological D. Order of importance***

    asked by Sam on September 12, 2016
  73. physics

    A particular jet aircraft must reach a speed of 43 m/s in order to take-off. If the acceleration of the plane is 1329 m/s2, the minimum length of the runway is Answermeters

    asked by diana on January 29, 2015
  74. math

    In a family with 4 children what is the probability of having 1 boy and then 3 girls, in that order? (Exclude multiple births and assume all outcomes are equally likely). In a family with 4 children, what is the probability of having 1 boy and 3 girls, in

    asked by john on November 9, 2015
  75. calculus

    Tom buys a rare stamp for $500. If the annual rate of inflation is 4%, how much should he ask when he sells it in 5 years in order to break even?

    asked by Anna Kirakosyan on November 9, 2016
  76. chemistry

    If the half-life of a first-order decomposition reaction is 24.2 minutes, how long will it take for 10.0 moles of the reactant to decompose so that only 2.5 mol remains?

    asked by Josh on September 4, 2012
  77. Chemistry

    What weight of glycerol C3H5(OH)3 molar mass is 92 would have been add to 1000g of water in order to lower the freezing point

    asked by Anonymous on June 16, 2011
  78. Chemistry

    What weight of glycerol C3H5(OH)3 molar mass is 92 would have been add to 1000g of water in order to lower the freezing point

    asked by Anonymous on June 16, 2011
  79. Statistics

    In order to critical values of t to be precisely correct for testing Ho: u1-u2=0 using small independent samples, we must assume a. ó1 = ó2 b. normality of populations c. u1 = u2 d. all of the above.

    asked by Kevin on April 29, 2014
  80. algebra

    State any real numbers that must be excluded from the domain of the rational expression. Enter your answers in increasing order. 6p2/p2−49

    asked by anonymous on September 17, 2015
  81. math

    How much money would need to be deposited into an account earning 5.75% interest compounded annually in order for the accumulated value at the end of 25 years to be $85,000?

    asked by Keysha Williams on January 17, 2013
  82. reading

    In order to get an idea of significant subject areas in a chapter, it is best to read the: A. subheads. B. graphics. C. captions. D. table of contents.

    asked by chris on August 9, 2012
  83. Math

    34. Arrange in order from smallest to largest. 2.05,25/10 , 2.0513, 2.059,251/100 , 2.0515, 2.052, 2.051. I do not understand how to do this, please help me.

    asked by A.W. on November 26, 2008
  84. geometry

    An architect needs to design a rectangular room with an area of 75 ft What dimensions should he use in order to minimize the perimeter? Round to the nearest hundredth, if necessary

    asked by Tyler on January 6, 2012
  85. Chemistry

    Need help with this problem in order to figure out three others. What volume of 2.25 M HCI in liters is needed to Completely react with 0.500 L of 0.400 M Na2CO3?

    asked by Evette C. on November 30, 2010
  86. math

    0.957, 0.912, 0.925, 0.886, 0.920, 0.958, 0.915, 0.914, 0.947, 0.939, 0.84 how do i put these in order

    asked by Kate on September 16, 2015
  87. science

    Why is visible light arranged into colors in order: red, orange, yellow, gree, blue, indigo, and violet?

    asked by janna on December 5, 2007
  88. Chemistry

    The first order reaction has a rate constant of 3.0x10^-3 s^-1. The time required for the r eaction to be 75% complete is: 95.8s 201s 231s 462s 41.7s

    asked by Sam on February 22, 2008
  89. English - Writing

    "In order to better assist you select the best retirement benefit package to fit your personal needs" - How would you rewrite this sentence, to make it active?

    asked by Dona on June 4, 2017
  90. SCIENCE

    IN ORDER TO MAKE EXPERIMENTS MORE ACCURATE WE TAKE MEASURMENTS'COMPLETE THE TABLE BELOW USING YOU'R KNOWLEGE OF SCIENTIFIC INTSTREMENTS ' MESERMENTS AND UNIT'S

    asked by JOHN on October 27, 2009
  91. Algebra

    Stuck with one more.. f(x)= -x^2 + 2x + 8 I found the vertex, and the axis, but am having trouble putting my x intercepts in order. I know the Y intercept, what is wrong with me? :-) Homework, eh, I'd rather be hiking..

    asked by Maria1 on April 26, 2012
  92. Math

    I have a Final Exam in Math tomorrow, and as I was going over my notes, I saw a question like this: Simplify 6(3-4)-7(-2) How do you simplfy integers when doing order of operations? I cannot quite remember this.

    asked by Erika on June 27, 2011
  93. English

    1. The basis is another word for ________. A. the overall thesis of the essay B. selecting categories C. the order of classification D. guidelines provided by a professor

    asked by Jay on March 27, 2015
  94. math

    How much money would have to be deposited into a compound interest savings account earning 5% each year in order to accumulate $10,000 in 18 years?

    asked by Don on February 23, 2013
  95. help please:)

    In order to get an idea of significant subject areas in chapter, it is best to read the : A. subheads B. Graphics C.Captions D.table of contents i got A what do you think ?

    asked by ciara on September 27, 2011
  96. political science

    The Lilly Ledbetter Fair Pay Act was passed by President Obama in 2007 in order to address what issue?

    asked by sammie on March 6, 2016
  97. Life orientation

    Identify three courses or study fields I'm interested in following after grate 12 write them down and in order of preferences provide two reasons of each choice

    asked by sam on March 13, 2016
  98. science

    what are the layers of the earth's interior in order??? Please send asap I am making a science study guide for my huge exam!

    asked by giggles!!! on May 24, 2009
  99. social studies

    what does the quote " History, in brief is an analysis of the past in order that we may understand the present and guideour conduct into the future." Sidney Mead

    asked by cody on March 27, 2009
  100. maths

    Daniel has a rabbit, a ferret, a gerbil, and a turtle. He feeds them in a different order each day. in how many different orders can Kelvin feed his pets?

    asked by laura on September 27, 2012