Questions Asked on
September 30, 2009

  1. chem

    Does baking soda and vinegar have a complete ionic equation? HC2H3O2 (aq) + NaHCO3 ===> NaC2H3O2(aq) + H2CO3(aq)----->H2O(l)+CO2(g)+2H2O(l)

    asked by Lou
  2. Goegraphy & Culture

    How do the effects of zero population growth and negative population growth differ? How are they similar?

    asked by Shavaleir
  3. BIOLOGY

    Heat exhaustion caused by a person's exposure to heat can result in weakness or collapse. It usually involves a decrease in blood pressure. Explain why the homeostasis adjustment to heat can cause a drop in blood pressure. ---------- I'm not sure if I'm

    asked by Patrick
  4. chemistry

    What atomic or hybrid orbitals make up the sigma bond between As and F in hexafluoroarsenate ion, AsF6- ? orbital on AS:? orbital on F:?

    asked by Jen
  5. math (challenging)

    If R is the remainder when each of the numbers 1059, 1417, and 2312 is divided by D, where D is an integer greater than 1, compute the value of D-R

    asked by seth
  6. science

    What properties of carbon explain carbon's ability to form many different macromolecules? What happens to chemical bonds during chemical reactions? Describe the role of energy in chemical reactions what are enzymes, and how are they important to living

    asked by alec
  7. chemistry

    The pKa of HEPES is 7.55 at 20 degrees C, and its MW is 238.31. Calculate the amounts of HEPES in grams and of 1.0 M NaOH in milliliters that would be needed to make 300 mL of 0.2 M HEPES buffer at pH 7.2.

    asked by Shameca
  8. Geography

    32. Which nations of Western Europe border the Mediterranean Sea? 33. List the nations that share a border with Switzerland. Thanks -MC

    asked by mysterychicken
  9. Mathematics

    A piece of string can be cut into equal lengths of 20cm, 24cm or 30cm long. find the length of the shortest piece of string for which this is possible. PLEASE SHOW WORKING

    asked by Ashley
  10. BIOLOGY

    From your knowledge of the size and density of cell components and the process of centrifugation, predict the order (from first to last) that the nucleus and organelles will be extracted? a.ribosomes-mitochondria and chloroplasts-nucleus-soluble cytoplasm

    asked by CHARLOTTE
  11. Social Studies

    In the early years of our nation, many Americans referred to the U.S. as "the United states are" (plural) rather than "the United states is" (singular). What does this reveal about the U.S and what Americans thought of the U.S.

    asked by sarah
  12. Science HELP FAST

    How many TOTAL bonds are there in the CH3CH3 molecule? Count all bonds (ie C-C bonds as well as C-H bonds).

    asked by Brady
  13. statistics

    A simple random sample of 25 has been collected from a normally distributed population for which it is know that o=17.0. The sample mean has been calculated as 342.0, and the sample standard deviation is s=14.9. Construct and interpret the 95% and 99%

    asked by Joe
  14. college physics

    This site is just a front for liveperson Most college physics questions are not answered for months if ever. Out of "200 experts" you must have somebody who knows physics right? Guess not.

    asked by john
  15. World History

    1. List three rulers of the Ottoman Empire and one accomplishment of each. 2. Why are the Shi'a and the Sunni Muslims enemies? 3. List three key Mughal Leaders and an accomplishment for each. 4. List three examples of Akbar's policy of fair rule 6. How did

    asked by James
  16. chemistry

    how many hydrogen atoms are present in 2.84 moles of water

    asked by Anonymous
  17. Calculus

    Consider the function below. f(x) = [1-(4/x)]^x (a) Use a graph to estimate the value of the limit of f(x) as x approaches infinity. (Round the answer to two decimal places.) (b) Use a table of values of f(x) to estimate the limit. (Round the answer to

    asked by Sahar
  18. physics

    A chain consisting of 5 links, each of mass 0.100kg is lifted vertically with a constant acceleration of 2.50 m/s^2. Calculate the force that link 2 exerts of link 1.

    asked by Anonymous
  19. 8th grade math

    Light travels approximately 5.87 X 10^12 miles in one year. This distance is called a light year. Suppose a star is 2 X 10^4 light years away. How many miles away is that star? Please help with detailed steps to solve problem. Thanks.

    asked by kendall
  20. physic

    Hi! Question:A ball is tossed from an upper-story window of a building.The ball is given an initial velocity of 7.80m/s at an angle of 21.0 degrees below the horizontal.It strikes the ground 3.00s later. A.How far horizontally from the base of the building

    asked by Chan
  21. physic

    A projectivle is launched with an initial speed of 40m/s at an angle of 35 degree above the horizontal. The projectitile lands on a hillside 4s later. negelct air friction. a.What is the straight-line distance form where the prjectile was launched to where

    asked by Chan
  22. Math

    If a quadrilateral wxyz is similar to quadrilaterl lmnp how do I find the value x and y?

    asked by Roger
  23. University Physics

    An elevator's cable snaps and its emergency brakes start gripping at the secondary line in order to slow its descent. The elevator and passengers weigh 389 kgs together and fall under the influence of gravity (9.81 m/s2). The coefficient of friction

    asked by Stacy
  24. home economics

    what are the rules of working in home economics lab?

    asked by khado
  25. Mathematics

    Find the greatest number which when divided into 1250 and 1000 leaves a remainder of 26 and 28 respectively.

    asked by Ashley
  26. Chemistry

    In a clean 250-mL volumetric flask, 125 mL of a 6.0 M hydrochloric acid was added. This was then diluted with more water to reach the 250-mL mark. What is the molarity of the acid at this time?

    asked by Anonymous
  27. physic

    Hi!Question: A river flows due east at 1.70m/s.A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 8.0m/s due north relative to the water. A.What is the velocity of the boat relative to shore?___m/s and

    asked by Chan
  28. math

    Given the system of inequalities below, find the vertices of the feasible region. Report your vertices starting with the one which has the smallest x-value. If more than one vertex has the same, smallest x-value, start with the one that has the smallest

    asked by Anonymous
  29. accounting

    Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each

    asked by john
  30. Cost accounting

    (High-low method) Information about SnoCos’ utility cost for the last six months of 2008 follows. The high-low method will be used to develop a cost formula to predict 2009 utility charges, and the number of machine hours has been found to be an

    asked by Josephine
  31. chemistry

    What volume (in mL)of 0.0550 M calcium hydroxide is required to neutralize 38.00 mL of 0.0700 M nitric acid?

    asked by Grant
  32. francais

    Please could you proof read my work. Thanks J'essaie de manger sainement, je mange 3 ou plus de fruit et légumes et un morceau de chocolat tons les jours. J'adore le fromage mais je connais gras. J'aime boire l'eau parce que saine. J'exerce

    asked by tracey
  33. english

    revise the following sentence to remove all pronoun errors. When a police officer fires his gun, he must fill out a lot of paperwork.

    asked by dee
  34. Language Arts

    What are some ways I can help my son remember is spelling words. He is in first grade. I have tried him writing the spelling words over and over again. I even give him so many spelling words a day. what are some other options that I can use to help him

    asked by Crystal
  35. education

    how can we avoid indoctrination in teaching.

    asked by abubakar
  36. Spanish

    Can you please help unscramble these words?Rhnouasd,Zlaevueen,Elchi,Manpaa

    asked by Dashawn
  37. Regression

    1)Price of COke 2)Price of Pizza 3)Price of Beef 4)Quantity of Beef 5)Income 1) List and explain each of the components of you regression model, both the dependent and independent variables 2) list each of the indepedent variables, and hypothesize the sign

    asked by Peter
  38. math

    3 h 20 min 4 h 25 min + 5 h 35 min=13 hrs 20 min 9 lb 15 oz - 5 lb 8 oz=4 lbs 7 oz Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains?=1 pt 13 oz

    asked by callie
  39. Math

    Suppose scores on an IQ test are normally distributed. If the test has a mean of 100 and a standard deviation of 10, what is the probability that a person who takes the test will score between 90 and 110?

    asked by Mike
  40. BIO

    All cells have these two characteristics: a contain DNA in the nucleus and have a plasma membrane b produce a cell wall outside of the plasma membrane c contain mitochondria and chloroplasts d have a plasma membrane and ribosomes in the cytoplasm

    asked by CHARLOTTE
  41. 8 grade math

    how can you express a number in expanded form and in scientific notation?

    asked by emily
  42. arithmetic

    Steve's mom's age is 7 years less than 3 times Steve's age. The sum of their ages is 65 years. Find their ages.

    asked by Anonymous
  43. biology

    cell membranes are selectively permeable. what does this mean?

    asked by Anonymous
  44. Social Studies

    Shays Rebellion I have an assignment about me being a farmer and writing a letter to a local editor stating why I think the imposed tax by the state government of Massachusetts is a great idea. Where do I start? What examples should I give?

    asked by sarah
  45. Physics!!

    An elevator's cable snaps and its emergency brakes start gripping at the secondary line in order to slow its descent. The elevator and passengers weigh 389 kgs together and fall under the influence of gravity (9.81 m/s2). The coefficient of friction

    asked by Jenna
  46. math

    write two 2-digit numbers using each of the digits 1, 2, 3, and 4 only once. then find the sum of the numbers. what are the greatest and least possible sums that can be in made in this way? so far for my greatest, I have 41 and 32 = 73 and 14 and 23 = 37

    asked by oscar
  47. biology

    After being formed by the ribosomes located on the endoplasmic reticulum, what is the next organelle to which a protein could be transported? a.mitochondria b.smooth endoplasmic reticulum c.golgi apparatus d.nucleus

    asked by CHARLOTTE
  48. biology

    Why is a large surface area : volume ratio needed for cells to function properly? a.Adequate surface area (plasma membrane) is needed to furnish nutrients to and expel wastes from the volume (cytoplasm). b. Smaller volumes reduce and larger surface areas

    asked by CHARLOTTE
  49. Thimerosal affect on autism

    Does thimerosal cause or relate to autism

    asked by Jennifer
  50. math

    Write each fraction as a percent. 1 1/5=120% 2. Identify the rate, base, and amount in each statement or question. 150 is 75% of what number=200 3.Identify the rate, base, and amount in the following applications In a shipment of750 parts,75 What percent

    asked by A~
  51. chemistry

    what is the electron configuration for carbon

    asked by keith
  52. physic

    Hi!Question:The helicopter view in the fiure below shows two people pulling on a stubborn mule. Asume that F1 is 110N, and F2 si 70N. The forces are measured in units of newtons(N). a.Find the single force that is equivalent to the two forces shown.

    asked by Chan
  53. chemistry

    Hydrochloric acid can be prepared using the reaction described by the chemical equation: 2 NaCl(s) + H2SO4(l) ----> 2 HCl(g) + Na2 SO4(s). How many grams of HCl can be prepared from 393 g of H2SO4 and 4.00 moles of NaCl?

    asked by j
  54. french

    Can someone help me with this summary? We read a story in French class, but I have not taken french in a year so I am soo confused... this is my paragraph.. "L'œuvre du sixième jour" dit une histoire du premier chien que dieu a créé. Dieu a dit le

    asked by Deven
  55. Geography

    18. Changes occurred in Eastern Europe in the late 1980s and 1990s when the region a. experienced widespread agrarian reforms b. strengthened its ties with the Soviet Union c. changed from an industrial to and agricultural society d. moved away from

    asked by mysterychicken
  56. Chem Please HELP!!!!!!!!!!!!!!!

    Which of the following bonding patterns DOES NOT happen? C-H-C =C= H-H All of these bonding patterns can happen.

    asked by Thomas
  57. Geography

    How does Cultural Ideas influence the population growth?

    asked by Shavaleir
  58. Cost accounting

    (Predetermined OH rate) For 2008, Southwest Industrial has a monthly overhead cost formula of $42,900+$6 per direct labor hour. The firm’s 2008, expected annual capacity is 156,000 direct labor hours, to be incurred evenly each month. Making one unit of

    asked by Josephine
  59. Math

    if an 8 inch wide rectangle is to approach the golden ratio, what should its length be?

    asked by Jennifer
  60. accounting 201

    I am having trouble figuring out my accounts payable and capital. Any help on going about and solving this would be greatly appreciated. I have listed the data below... Travis Fortney, an architect, opened an office on April 1, 2010. During the month, he

    asked by David
  61. math

    The graph of the line through (2,3) that is perpendicular to the line with equation y= -1 also goes through which point? (1,4) (2,-4) (-2,3)

    asked by Carol
  62. chemistry

    Precipitation Reactions is the title of the section the problem is A solution of sodium hydroxide is added to a solution of iron (II) chloride. My Net ionic equation was OH- + Fe+2 -> Fe(OH)2 I want to know if my answer is correct and why OH in Fe(OH)2 is

    asked by Selenee
  63. Computer Science-Java

    Hi, I have to prompt a user to input a password and have to verify whether or not it is a single word. How would I do something like?

    asked by Lisa
  64. 4th grade

    In a fifth grade class of 16 students, one-half of the students arrived at school early,one-fourth arrived on time, and one-eight arrived late. On that day how many were absent? Solve using comparison bars.

    asked by emily
  65. accounting

    Pheasant Corporation ended its first year of operations with taxable income of $225,000. At the time of Pheasant¡¯s formation, it incurred $50,000 of organizational expenses. In calculating its taxable income for the year, Pheasant claimed an $8,000

    asked by zsdhr
  66. BIOLOGY

    The plant cell's central vacuole a.provides the plant cell with support b.stores nutrients and cellular waste products. c.is a reservoir for water. d.All of the choices are correct.

    asked by CHARLOTTE
  67. college algebra

    an inlet pipe can fill a large water tank in 3 hours. an outlet pipe can empty the same tank in 5 hours. given an empty tank, at 8pm, activate both pipes. what time on the clock will it be before the tank is completely filled?

    asked by L
  68. advanced math

    suppose that a1, a2, a3, ..., ak forms an arithmetic sequence. If a5+a8+a11=10, a7+a10+a13=12, and ak=11, find k note: the numbers and the k after the a's are subscript but i don't know how to type that

    asked by Jared
  69. college/ accounting

    The E-Company The E-Company manufactures trendy, high-quality moderately priced watches that it sells on the Internet. As the company's senior financial analyst, you are asked to analyze the overall profitability fo the current year. The CFO has heard that

    asked by Tracy
  70. Algebra

    Write your answer in the form Ax^2+Cy^2+Dx+Ey+F=0. A parabola with vertex (2,-1) opens right with a focal length "p" of 3. I don't understand, please help!

    asked by Bree
  71. math

    how do i find the unit rate of 6. bike 21 km in 50 min 7. earn $18 for 1 hr 15 min work 8. sew 9 curtain panels in 15 days 9. Wyatt spent of his money on a train set and on tickets to a play. He now has $18. How much money did Wyatt start with? Explain why

    asked by rebecca
  72. French

    3. Your project will also require 6 adjectives to describe yourself. Include one negative eepression. Par exemple: Je suis timide et belle! Je ne suis pas bete, mais je suis intelligente 3:Je suis poli et généreux ! Je ne suis pas stupide, mais je suis

    asked by Anna
  73. biology

    why is it difficult to descride a typical animal cell?

    asked by Anonymous
  74. college

    how to write in mla style?

    asked by mary
  75. health

    Write a 350- to 700-word response that familiarizes you with private payer plans and CDHP account types. Briefly list three to five main features for the following nine items. Below each list, provide one or two sentences stating coverage of services and

    asked by Anonymous
  76. Chemistry

    calculate the pH of 0.10 M HCI solution?

    asked by Anonymous
  77. Algebra

    translate to an inequality. a number is at least 10. the answer is ? ? ? use x as the variable. Thank you

    asked by Mark
  78. French

    1. you need to draw a representation of your body and include all the body parts that we have learned from this unit.(There are 18 body parts-include 2 additional body parts that I have given to you in class. 2. you will also need to include 8 colorful

    asked by Anna
  79. english 4

    in the Canterbury Tales what are some examples of direct and indirect characterization for the,Knight,Nun,and the squire?

    asked by renee
  80. Algebra 1A

    Hello, Is this correct? 3(x6)-4>2(x+4)-3(6+5)2(x+4)= 3x+18-4>2x+8= 3x+14>2x+8= 3x-2x>8-14=x>-6 Thank you.

    asked by Tracy
  81. Regression Analysis

    1)Quantity of Beef 2)Price of Beef 3)Price of Pizza 4)Price of Coke 5)Income 1- list and explain each of the components of your regression model, both the dependent variable and the independent variables 2-list each of the independent variables,

    asked by Peter
  82. BIOLOGY

    A high-powered microscope that produces an image from scattered secondary electrons is the a. immunofluorescence microscope b. bright-field light microscope. c. transmission electron microscope (TEM) d. scanning electron microscope (SEM). e. confocal

    asked by CHARLOTTE
  83. algebra

    How do I do this problem: Chelsea sold baked goods to raise money for various charitable organizations. She gave a third of the money raised to the American Red Cross. Then gave a fourth of that money to United Way. THEN gave half of the money to Twin city

    asked by McKenzie
  84. Statistics

    For df = 25, determine the value of A that corresponds to each of the following probabilites: a. P(t >- A)= 0.025 b. P(t

    asked by Mariah
  85. Social Studies

    how does geography help explain bioth the present and the past?

    asked by Marii
  86. physical science

    what two meaning ideal of aristotle did galileo difcredit?

    asked by leonor
  87. english 3

    throughout the novel of the scarlet letter,what did weeds and poisonous plants symbolize?

    asked by lala
  88. math

    Which other country besides the U.S. uses the English metric system?

    asked by astrid
  89. social studies

    the waterway that extends north of the dead se what is

    asked by kaitlynn
  90. 3rd grade-math

    name a number that rounds to 100 when you round to the nearest hundred and to 90 when you round to the nearest ten.

    asked by mary
  91. French

    1. you need to draw a representation of your body and include all the body parts that we have learned from this unit.(There are 18 body parts-include 2 additional body parts that I have given to you in class. 2. you will also need to include 8 colorful

    asked by Anna
  92. math

    3 h 20 min 4 h 25 min + 5 h 35 min=13 hrs 20 min 9 lb 15 oz - 5 lb 8 oz=4 lbs 7 oz Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of film developer that holds 3 qt. How much of the developer remains?=1 pt 13 oz

    asked by callie
  93. math 115

    What units in the metric system would you use to measure each of the following quantities?= The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were

    asked by amber
  94. 5th grade Math

    Please help me with these math problems. #1 Matt subtracted 1.9 from 20.8 and got 1.8. Explain why this is not reasonable? #2 Explain why it is easier to find 10 minus 1.9 mentally than with paper and pencil. #3 On May 27, 2001, a high school student ran a

    asked by Tim
  95. science 8

    what structures do plant cells contain that animal cells do not?

    asked by ann
  96. 6th grade

    Identify a number that is divisible by 17, 3 , and 9,which is not divisible by 7, 18, 5, 16, and 14. Describe how u found this number. ~PLEASE help me. :)

    asked by challie
  97. C Programming

    How do you reprompt after the user inputs a wrong number into the program in C Programming? Loop structure? i.e. I want my code to do this: Enter a Compass Heading: 500.7 Please Input a Compass Heading between 0 and 360 Degrees. Enter a Compass Heading:

    asked by gnozahs
  98. math

    A family wins $25,000 in the lottery. Of this money, half goes toward a new car, one-tenth goes into savings, and the rest is put into investments. How much did the family invest?

    asked by toya
  99. algebra

    what is y=13-x,solve for x

    asked by Glenda
  100. spanish

    How do I answer the following question: Les hizo Ricardo los bocadillos para el picnic a uds? (double object pronoun) Is this correct? Si, los hizo para nosotros.

    asked by Jules
  101. Earth Science

    Describe how Earth would be different today if. It contained no radioactive material. What would the consequences be for the Earth's interior layer?

    asked by Breanna
  102. Algebra ll

    Write an equation in slope-intercept form for the line that has a slope of -4 and passes through (1,2) Choices: y= -2x+4 y= -4x+6 y= -4x+9

    asked by Carol
  103. Chemistry

    Calculate the final concentration if 4.0 L of 1.5 M NaCl and 2.0 L of 3.0 M NaCl are mixed?

    asked by Anonymous
  104. human life

    can you please help me with a summary about the human cycle for homework? Thank you!

    asked by Husam
  105. english1A - Does my thesis sound better?

    Which intro sounds better for my thesis? Many people have dreams whether it is to buy their dream car, dream house, or go on their dream vacation. Here in the land of freedom and opportunities, there is one dream that almost every person strives for; the

    asked by Kuromi
  106. math

    how do you find the mode and range of: 17, 48, 48, 63, 64, 75, 90

    asked by Anonymous
  107. reading/english

    Carbohydrates are various combinations of sugar units, or saccharides, and are the major energy source for the body. Each gram of carbohydrate contains four calories. The average person requires approximately 2,000 calories per day. Since about 60 % of our

    asked by jerson
  108. Literature

    1. If you consider The Call of the Wild to be an allegory, which one of the following statements would be true? A. Judge Miller represents the primordial condition. B. Buck represents some characteristic of humanity. C. John Thornton represents the

    asked by Jalisa
  109. History

    Do you think the arrival of the loyalists in the bahamas was not good.

    asked by Brannico
  110. 8th grade math

    how can you use prime factorization to determine the LCM and GCF of two numbers?

    asked by emily
  111. science

    Improper functioning or regulation of which of the following might lead to poor regulation of membrane permeability? a. albumin b. fibrinogen c. platelets d. lymphocytes e. chloride ion levels

    asked by dee
  112. History

    Do you think the arrival of the loyalists was not good. mind explaining this question for a bit. I know this question asks for my opinion but i would like to know if it was not good before i give my opinion.

    asked by Brannico
  113. 5th grade- Social Studies

    Briefly explain Andrew Johnson's Plan for Reconstruction?

    asked by Tim
  114. BIOLOGY

    The springtail is a very common small insect that lives in rotten logs, rich soil, and other humid places. Its cuticle is water repelling (hydrophobic) except for a strange organ, the collophore, on its ventral side. Because it lacks the excretory organs

    asked by CHARLOTTE
  115. BIOLOGY

    Which of the following organelles is found within a cell that is both eukaryotic and autotrophic? A lysosomes B ribosomes C rough endoplasmic reticulum D chloroplast

    asked by CHARLOTTE
  116. algebra

    can someone help me with this question? 1/2divided by 2/sqr rt 3

    asked by robert
  117. reading/english

    When studying the world of living things, biologists and other scientists use the scientific process. Observtions along with precious data are used to formulate a hypothesis. New observations and or experiments are carried out in order to test the

    asked by jerson
  118. french

    What does 'exemples de restauration collective' mean. I've been on translation sites and it came up with 2 possibilities 1)examples of collective restoration 2)examples of catering The piece is relating to healthy eating and exercise. I think its the

    asked by frazer
  119. Calculus

    Locate the discontinuities of the function. y = ln(tan(x)2) a)(pi)n, where n is any integer b)(pi)/2 + ðn, where n is any integer c)0 d)n(pi)/2, where n is any integer

    asked by Ava
  120. chemistry

    What volume (in mL) of the base will react completely with 30.00 mL of 0.550 M HCl? 0.0500 M Ba(OH)2

    asked by Grant
  121. math 115

    Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary?5875.20

    asked by amber
  122. accounting

    The E-Company The E-Company manufactures trendy, high-quality moderately priced watches that it sells on the Internet. As the company's senior financial analyst, you are asked to analyze the overall profitability fo the current year. The CFO has heard that

    asked by Tracy
  123. english1A - still working on my thesis

    I have a couple. If society would realize the true meaning of success and take advantage of opportunities available to them, they would know that with enough determination and motivation, dreams are definitely possible. Society not only needs to realize

    asked by Kuromi
  124. bio

    why are plant cells generally box like and rigid?

    asked by helloooo
  125. science

    the unchanged ''standard'' against which the effects of changed or unknown factors can be measured

    asked by jessica
  126. French

    2. you will also need to include 8 colorful adjectives to describe your body and face. For example: you can write "les jambes jaunes, les yeux verts... Remember to make sure that your adjectives agree with the gender and the number of the body parts you

    asked by Anna
  127. Physics

    A force sensor is used to measure a force applied to a 7.5 kg box on a hard, horizontal surface. It records that the box starts to move when the force is equal to 16.5 N. This force makes the box start to move with an acceleration of 0.5 m/s2. Find s and k

    asked by Bella
  128. help

    Find the measures of two supplementary angles m and n m=6x+3 n=2x-7

    asked by math
  129. social studies

    a person who is running away is a

    asked by ali
  130. U.S past and present

    What is the U. S. past and present?

    asked by RANDY
  131. English

    What is the verb? My calendar shows that I have to see the Dentist next Tuesday.

    asked by Tina
  132. bio

    why are plant cells generally box like and rigid?

    asked by hello
  133. bio

    why is it difficult to describe a typical animal cell?

    asked by hello
  134. math

    If a single letter is drawn from the set {m,a,t,h,e,i,c,s} what is the probability that the letter drawn is a member of the set {m,a,t,h}

    asked by MIMI
  135. math

    A pair of dice are rolled and the sum on their upturned faces is recorded. What is the probability that the sum showing is 8, given that one die is showing a 5?

    asked by Aleah
  136. math

    Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that both are spades if the first card drawn was a spade?

    asked by Aleah
  137. health

    extends between the elbow and the shoulder

    asked by maryam
  138. French

    4. La partie finale: You will have to write 2 activities that you do all the time(toujours), 2 activities that you no longer do (ne..plus), and 2 activities that you never do(ne...jamais). Par exemple: Je joue toujours au foot. Je ne mange plus les pommes.

    asked by Anna
  139. Bio

    Is this right? Label the 5' end and 3' ends of this DNA fragment: GCCATTTACCC CGGTAAATGGG 5' GCCATTTACCC 3' 3' CGGTAAATGGG 5'

    asked by Alex
  140. social studies

    what are the names of all the hills and mountains of jamaica.

    asked by dontay
  141. Bio

    What is an amphiphatic polypeptide?

    asked by Alex
  142. science

    how do i measure gas?

    asked by stephen
  143. HELP

    I won't be on here till tom. morning, so please before then check my posts. Good Night.

    asked by Anna
  144. english

    What does Thomas Paine value highly in the excerpt from his essay “The Crisis”? Freedom Solitude Individuality Spirituality Equality

    asked by LT
  145. lord of the flies

    Three of the boys go on a second exploration. this time they search for the beast. who goes? how might this experience have been different if Simon had gone? this is in chapter 7

    asked by brandon
  146. writing

    I need help with my current event.

    asked by Jessica
  147. Science

    what are the 6 rules to draw atoms?

    asked by Tanisha
  148. Math

    how would you find the value of b and c using substitution? The equation is 2=4+b+c-3

    asked by Anonymous
  149. Geology

    please explain the process of mantle convection and plate movement. I read the text and I am still confused. Thank you, Eleanor Owens

    asked by Eleanor Owens
  150. math

    what is the least common multiple of 8,10 and 12

    asked by sarah
  151. physics

    An airship can travel with a horizontal speed of up to 1.30 x 10^2 km/h. If a parcel is dropped from this airship, so that it lands 135 m in front of the spot over which it was released, how far above the ground is the airship?

    asked by Zoomba21
  152. Algebra 1A

    Help!! solve 2.4x+22.0>55.0-8.6x the solution set is {x]x> ?}

    asked by Paul
  153. Math

    3 Islands K,M, H= 5300 miles squared H 3293 miles squared larger than M M is 177 miles squared larger than K What is the individual areas of Islands

    asked by Re
  154. english

    What is the simple subject and the simple predicate in the question, Where did you get that ice cream?

    asked by Alex
  155. Quotes

    I've read and tried to find information on what this quote means, but I still don't understand it. What does this quote mean? "We have had too good an opinion of human nature in forming our confederation."

    asked by diana
  156. Chemistry II

    The following general reaction was found to be first-order with respect to A and second-order with respect to B: A + B ---> products What would the rate of this reaction be in terms of k in a one liter vessel containing 4 moles of A and 7 moles of B?

    asked by Mandy
  157. Law in corrections

    From a macro-view, what do you believe is the main challenge faced by the U.S. correctional system? How might this issue be successfully dealt with?

    asked by tommy
  158. science

    what special seasonal event happened september 22 2009

    asked by monique
  159. World History

    "Every man of sense must be convinced that our disturbances have arisen more from lack of government power than the abuse of it." I can't find who said this quote

    asked by newt
  160. 12th grade english

    i cant figure out how to put cordon in a sentence if the definition is *a cord or braid worn as a decoration* please help!

    asked by thumper09
  161. education

    what is teaching.

    asked by aliyu
  162. Social

    Explain the events of the Boston tea party in full. mind explaining for me please?

    asked by Rizzo
  163. Computers

    How does the staff of Planned Parenthood make decisions on purchasing a new computer system? Example: Cost, what programs are offerede, warranty, what programs would be the best fit?

    asked by Linda
  164. World History

    Every man of sense must be convinced that our disturbances have arisen more from lack of government power than the abuse of it. I read the context, but I still don't understand what this means?

    asked by newt
  165. Science

    What is the temperature and moisture of a tropical rainforest? thanks

    asked by Rebekah
  166. Algebra

    Please check: 2x-1

    asked by Maxie
  167. Social Studies

    What are some reasons why the state government of Massachusetts imposed tax helped people out?

    asked by Leslie
  168. Algebra

    I had to write the standard form of the equation for the circle consisting of the endpoints (0,0), (6,8). I got (x-3)^2+(y-4)^2=15. But my book said the fifteen should be a twenty five. How would they have gotten 25? Thank you.

    asked by Therese
  169. Math

    What is the name of a parallelogram that has 2 pairs of equal sides but is NOT a parallelogram?

    asked by Happy Face
  170. History

    For native Bahamas

    asked by Brannico
  171. Algebra

    Could you please explain how to do 3/2(z+5)-1/4(z+24)=0, step-by-step? Thank you!!!

    asked by Therese
  172. health

    do you believe Medicare’s eligibility limitations are reasonable in scope

    asked by Anonymous
  173. History

    Explain the events of the Boston tea pary.

    asked by Brannico
  174. Algebra

    Is this the right way to do this problem? 3(x+6)-4>2(x+4 -3(6+5)2(x+4)then 3x+18-4>2x+8then3x+14>2x+8then3x-2x>8-14thenx>6 is it correct? Thanks

    asked by Tracy
  175. Social studies

    My teacher said that some people did favor the taxes. The people living near the eastern parts of Massachussets. I just want to know the reasons why.

    asked by Leslie
  176. physics

    if you push a pin and a barbecue stick against your skin with equal force, which do you think will cut your skin first? what determines it? explain.

    asked by kriz
  177. math

    stumped on rounding to the nearest tenth. Decimals 1758.2 thank you

    asked by Diana
  178. Statistics

    From past experience, an airline has found the luggage weight for individual air travelers on its trans-Atlantic route to have a mean of 80 pounds and a standard deviation of 20 pounds. The plane is consistently fully booked and holds 100 passengers. The

    asked by Mariah
  179. business

    Now that you have finished your research paper, what advice would you provide to students starting this course? o What would you do differently if you were just starting the course? On what would you focus more? On what would you focus less? Explain your

    asked by Jen
  180. social studies

    i forgot this name the 4 england colonies i need help plz tell me

    asked by amanda
  181. math

    Draw a number line from 0 to 8. locate points to show the whole-number solution from 0 to 8 for eACH EQUALITY.

    asked by Victoria
  182. health

    what are medicare limitations

    asked by Anonymous
  183. french

    what does 'spoints' mean? dictionaries and online translators are no help they do not know the words i think it may be a typo

    asked by frazer
  184. psychology

    how has computer technology enhanced psychological research?

    asked by cameron
  185. math

    The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.1 ounce of Tostitos provides9% of the MDV of fat.=9/100 .09 1/2

    asked by p
  186. chem(litmus)

    Is it wrong to put litmus paper directly in solution?

    asked by mary
  187. chemistry

    if a barium ions Ca2 plus have a charge of 2 plus and hydroxide ions C11-have a charge of 1-,the compound calcium chloride is

    asked by amanda
  188. BTEC first diploma in business

    describe the purpose of each of the following business comunications: a)mark talking to workshop staff b)the brothers talking to workshop staff c)the brothers meeting the workshop manager d)mark sending pre-printed letters and receipts to applicants e)mark

    asked by emmanuela
  189. 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
  190. science

    what is the difference between radiant energy and thermal energy?

    asked by warren
  191. History

    List the Causes stated by Historians for the American War of Independence.

    asked by Brannico
  192. college

    Suppose you have a friend named Ed. He and his four friends are having ice cream. There are only three flavors available at the ice cream store they are visiting: chocolate, vanilla, and strawberry. One of Ed’s friends, Stacey, eats chocolate

    asked by Anonymous
  193. microeconomics

    macroeconomics deal with

    asked by Carolyn
  194. science

    I was wondering where i could find some information or articles about people with opinions about : whether there should be a national curriculum in the united states. I have tried googling the topic but i couldn't find much info there. Anything at this

    asked by ash
  195. math

    The minimum daily values (MDVs) for certain foods are given. They are based on a 2,000 calorie per day diet. Find decimal and fractional notation for the percent notation in each sentence.1 ounce of Tostitos provides9% of the MDV of fat.=9/100 .09 1/2

    asked by p
  196. math

    Consider the set of northwestern states or provinces ( Montana, Washington, Idaho, Oregon ,Alaska, British? Columbis, Alberta). If a person chooses one element, show that in three yes or no questions, we can determine the element.

    asked by Stacy
  197. Social Studies

    Perhaps the wealthier people favored the taxes because they didn't want the state to be in debt. They were also likely to be those who had loaned the money in the first place. Can you explain more mrs. sue?

    asked by Leslie
  198. pre-algebra

    3 1/2 * 1 1/2

    asked by bianca
  199. ACCOUNTING

    Pheasant Corporation ended its first year of operations with taxable income of $225,000. At the time of Pheasant¡¯s formation, it incurred $50,000 of organizational expenses. In calculating its taxable income for the year, Pheasant claimed an $8,000

    asked by ACCOUNTING
  200. Science

    What is the average D.B.H. of an oak tree? If you have a website with this info please tell me ~Thanks~

    asked by Nicky
  201. math 115

    What units in the metric system would you use to measure each of the following quantities?= The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000 kg. How many kilograms of NO were

    asked by amber
  202. math

    6+2X9-13-7x7=30

    asked by tammy
  203. Geography

    14. How has Italy's economy changed since 1950? a. Italy has withdrawn from the EU b. Farming and tourism have become Italy's most important economic activities c. More people are working in manufacturing and service industries d. Small factories are

    asked by mysterychicken
  204. Bio

    why is energy absorbed twice in the light reactions in photosynthesis

    asked by Lena
  205. Writing in Math

    Every digit in 8,999 is greater ,than any digit in 24,005 is greater than 8,999.

    asked by pamela
  206. Grade 12 Math

    how would you find the value of b and c using substitution? The equation is 2=4+b+c-3

    asked by robot chicken
  207. social studies

    4. What do you think of these nacirema people? Would you want to go and live with them if given the choice? Why? Again, give reasons...

    asked by charity
  208. History

    List the causes of american war of independence

    asked by Brannico
  209. Pre-AP Biology

    why is it difficult to describe a typical animal cell?

    asked by helloooo
  210. computers

    Construct a monitor that implements semaphores. This will demonstrate that a monitor can be used any place a semaphore can be used.

    asked by score
  211. computers

    Show how counting semaphores (i.e. semaphores that can hold an arbitrary value) can be implemented using binary semaphores and ordinary machine instructions.

    asked by asok
  212. Pre-Calc (ugent!!!)

    If a number is selected at random from the set of all five digit numbers in which the sum of the digits is equal to 43, compute the probaility that this number is divisible by 11.

    asked by Ryan
  213. math

    find the derivative of the function (x^3-3x^2+4)/x^2

    asked by Anonymous
  214. PreCalc

    Use the following conditions to create a sketch of the function by hand. a. f(x) is increasing from (-infinity,-4)union(-4, infinity) b. there is a vertical asymptote at x=-4 c. There is a horizontal asymptote at y=2 d. f(0)=-5; f(1)=-3; f(3)=1 I have an

    asked by MUFFY
  215. Math

    This question confuses me... Identify a number thatis divisible by 17, 3, and 9, which is not divisible by 7, 18, 5, 16, and 14.Describe how you found this answer.

    asked by challie
  216. Biology 12

    briefly describe the process of endocytosis

    asked by anonymous
  217. Math

    How many 5-character license plates are possible with 2 letters from the alphabet followed by 3 digits, if repetitions are allowed? if repetitions are not allowed?

    asked by Clair
  218. math

    is there a web site for using percent notations?

    asked by A~
  219. Lit

    What does it mean to be a retrograde role model?

    asked by Anonymous
  220. calculus

    The equation of the function is: f(x)=4-2(x-6)^1/3, for x not equal to 5 calculate precisely the value of f(x). so I got this: 5=4-2(x-6)^1/3 1=-2(x-6)^1/3 (-1/2)=(x-6)^1/3 (-1/2)^3=(x-6) -.125=x-6 now the next step is suposed to be this but I don't

    asked by Leah
  221. business

    write a 200 to 300 word description of a business scenario either real or fictional that depicts each of the following forms of business

    asked by nicole
  222. Help

    can someone please take a look at my french posts, thanks

    asked by Anna