Questions Asked on
September 18, 2011

  1. College Physics

    Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that

    asked by Nikki
  2. statistics

    It is known from the records of the City Schools that the standard deviation of Algebra scores is 6.0. A sample of 200 students from the system was taken and was found out that the sample mean score is 75. Previous tests showed the population mean to be

    asked by pokwang
  3. statistics

    A survey was conducted to determine the proportion of male and female respondents who are in favor of a sales training program of a bottling company. 120 out of 400 males and 130 out of 500 females are in favor of the issue. Is there a significant

    asked by pokwang
  4. business law

    what is the gist of proximate cause? why do courts struggle with its concept?

    asked by jennifer
  5. DRAMA

    One difference between tragedy and comedy is that tragedy A. uses supernatuarl elements B. usually features an extraodinary hero. C.makes us laugh at ourselves,not others. D. uses metaphors and analogy to make its point

    asked by Angie
  6. Calculus I

    Suppose that f and g are two functions both continuous on the interval [a, b], and such that !@#$%^&(b) = p and f(b) = g(a) = q where p does not equal to q. Sketch typical graphs of two such functions . Then apply the intermediate value theorem to the

    asked by Kaiden
  7. math

    If the store purchases an item at a wholesale cost of $3.50 per item, and it is sold at a retail value of $5.00 per item. What is the gross profit percentage of the item? (formula: gross profit percentage = [(retail - cost) divided by retail] X 100 )

    asked by linn
  8. Statistics

    If I know the mean and ÓX, how do I find n ?

    asked by Shauna
  9. algebra

    Solve the inequlity x^2>16 and give the answer in interval notation.

    asked by kate
  10. algebra

    Determine which one of the following values of x is not a soluton of the inequality 0

    asked by kate
  11. Technology

    What is Internet generally?

    asked by Michael
  12. physics

    What can you say about the direction of the resultant force on the plane as a jet plane lands?

    asked by ajay
  13. Chemistry

    The following are the optical properties of three materials A,B and C. Property A B C reflectivity 0.85 0.15 0.001 Absorptivity 0.1 0.7 0.1 a) Determine the transmissivity of the materials b) which material heats up fastest when illuminated? c) which one

    asked by John
  14. chemistry

    To what volume must 10.0ml of 5.00 M HCL be diluted to make a 0.500 M HCL solution ?

    asked by Anonymous
  15. Native American Literature

    How are the tensions of the time of Native American literature (Pre-1600) reflected in American literature? I know that Native Americans were the first people to start writing literature, or telling oral stories. They were one of peace and nature. Some of

    asked by Ann
  16. English

    I need to write an essay on Theme and Metaphor in the Book "A Farewell to Arms it has to be 7-10 pages and have 7-8 sources could someone help direct me to some sources for some help? thanks.

    asked by Christopher
  17. English

    I need help to know what type of comedy "A Midnight Summers dream is and what makes it that type of a comedy can you provide some links that I can read up on?

    asked by Christopher
  18. Anyone good at geography

    find the location of Paris within France and within Europe as a whole. Paris lies next to the river Seine i don`t know what to write for the europe bit. thanks

    asked by ASHLEIGH JENKINS
  19. Medicalcoding

    I have to get my coding pratice checked by somebody.

    asked by Veena
  20. Math-Problem of the Week

    There are 32 teams in the NFL. 16 of them are in the AFL. The other 16 are in the NFC. At the beginning of the season Julia tried to predict the teams that would be in each Conference championship by randomly drawing 4 teams (2 AFC teaams and 2 NFC teams)

    asked by Kate
  21. Chemistry

    What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

    asked by Tara
  22. Chemistry

    What is the maximum mass of S8 that can be produced by combining 92.0g of reactant? 8SO2 + 16H2S -> 2S8 + 16H2O

    asked by Tara
  23. Chemistry

    Cryolite, Na3AlF6(s), an ore used in the production of aluminum, can be synthesized using aluminum oxide. Balance the equation: Al2O3(s) + NaOH(l) + HF(g) -> Na3AlF6 + H2O(g) If 14.0 kilograms of Al2O3(s), 57.4 kilograms of NaOh(l), and 57.4 kilograms of

    asked by Sandra
  24. Chemistry

    Calculate the percent composition by mass of each element in Al(OH)3 Use at least 3 significant figures. %Al = %O = %H=

    asked by Jerry
  25. Chemistry

    how many grams of F are in 335 g of CaF2?

    asked by Jerry
  26. Chemistry

    What is the empirical formula of a compund composed of 3.25% hydrogen(H), 19.36% carbon(C) and 77.39% oxygen(O) by mass?

    asked by Jerry
  27. history

    what were the similarities and differences between lady Jane Grey and Mary queen of Scots?

    asked by samantha
  28. Chemistry

    A compound is 54.52% C, 9.15% H, and 36.32% O by mass. What is the empirical formula? The molecular mass of the compound is 132 amu. What is the molecular formula?

    asked by Jerry
  29. Chemistry

    Complete combustion of 8.00 g of hydrocarbon produced 26.0g of CO2 and 7.99g of H2O. What is the empirical formula for the hydrocarbon?

    asked by Jerry
  30. history

    what might cause a young woman or child to have been accused of witchcraft in the 16th century and what might they have to do to prove their innocence?

    asked by samantha
  31. Chemistry

    An unknown compound contans only C, H, and O. Combustion of 5.70 g of this compound produced 11.4g of CO2 and 4.66g of H2O. What is the empirical formula of the unknown compound? CHO

    asked by Jerry
  32. Math(Please help!!!)

    A piece of copper contains 3.6 x 10^8 atoms. What is the volume of the sample in units of liters? I know that first you have to get atoms to cancel out but them I do not know what to do!

    asked by Hannah
  33. college algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

    asked by Brianna
  34. Physics

    Two ants race across a table 65 cm long. One travels at 5.76 cm/s and the other at 3.99999 cm/s. When the first one crosses the finish line, how far behind is the second one?

    asked by Chloe
  35. science

    A 0.25 kg length of aluminum wire is warmed 10.0 degrees by an electric current. How much heat was generated by the current?

    asked by bill
  36. physics! please help!

    A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

    asked by Chloe
  37. Algebra

    The markup over dealer's cost of a new car ranges from 18% to 24%. If the sticker price is $14000 over what range will the dealer's cost vary?

    asked by Amanda
  38. visual basic 2010

    I am totally lost with arrays. I have a program that needs to store users entries(first & last name...etc) in 2 different arrays. The summary button then loops through each array and outputs their contents to the immediate window. Then the exit button

    asked by melissa
  39. algebra

    Which of the graphs below represent the graphical solution to the following system of equations? 4x + y = 5 3x – 7y = 27

    asked by Anonymous
  40. physics

    A 5 000-N weight is held suspended in equilibrium by two cables. Cable 1 applies a horizontal force to the right of the object and has a tension, T1. Cable 2 applies a force upward and to the left at an angle of 37.0° to the negative x axis and has a

    asked by Susan
  41. college algebra

    The average rate of change of g(x) = 2x-1 from x = 2 to x = 6 is 7.5. true or false

    asked by Brianna
  42. physics

    Momentum: three balls move in the same straight line. Balls A and B move in the same direction at velocities of 2m/s and 8m/s respectively. Ball AC moves in the opposite direction at 6m/s and collides with ball B, whereafter ball B collides with ball A.

    asked by Juls Secondary high school
  43. science

    water'density is __ so objects that are less than __ float and objects that are more than__sink.

    asked by mitchell
  44. physics

    John kicks a soccer ball 12 m/s at an angle of 40.0 degrees above the horizontal. What is the ball's maximum height? Where does the ball land?

    asked by brandon
  45. Physics

    Figure 2-41 gives the acceleration a versus time t for a particle moving along an x axis. The a-axis scale is set by as = 13.0 m/s2. At t = -2.0 s, the particle's velocity is 10.0 m/s. What is its velocity at t = 6.0 s?

    asked by Linda
  46. college algebra

    The average rate of change of g(x) = 2^(x-1) from x = 2 to x = 6 is 7.5.

    asked by Brianna
  47. science

    what accounts for the differences between black tube containing yeast with no substrate and tube containing 5% sodium lactate or ethanol?

    asked by Anonymous
  48. College Algebra

    If f(x) is increasing on the interval from x = 2 to x = 10, and if g(x) is decreasing on the interval from x = 2 to x = 10, then the function (f + g)(x) will be constant on the interval from x = 2 to x = 10. true or false

    asked by Brianna
  49. 6th grade math

    a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number of miles a dog could run at this rate in 0.4 hour?Explain your reasoning.

    asked by Kate
  50. physcis!

    A car accelerates from rest at 4.9 m/s2. How much time does it need to attain a speed of 6 m/s?

    asked by Chloe
  51. English

    I have two questions I'm working on for home work-could you check my answers and advise me the direction I should go-if they're right or wrong??Thank you In the poem "Rape," Adrienne Rich uses the word "machine" instead "typewriter" whenever she describes

    asked by Sarah
  52. Math

    Mr. Smith bought shoes for $ 120 and a suit for $ 340. Find the total cost including tax if the tax rate is 5.5%. (a)$ 485.30 (b)$ 48.53 (c)$ 358.70 (d)$ 460 (e)$ 406 I cant figure out how to solve this problem but what i did was added the 120 and 340 and

    asked by Raymond
  53. it

    Choose an IT-related tentative topic and explain the topic with powerful sentences using 200-300 words.

    asked by jsminea
  54. Physichs

    A pedestrian is running at his maximum speed of 6.0m/s to catch a bus stopped by a traffic light. When he is 25m away from the bus the light changes and the bus accelerates uniformly at 1.0m/s^2. Find either (a) how far he has to run to catch the bus or

    asked by Sebastian
  55. Physics

    A ball is thrown horizontally from a height of 19.17 m and hits the ground with a speed that is 4.0 times its initial speed. What was the initial speed?

    asked by Alexandria
  56. Math

    determine the intervals over which the function is increasing, decreasing, or constant f(x)=√x^2-1

    asked by Cris
  57. english

    I posted a question a few days ago, about Alan Kruger, and his stand on poverty and the financial crisis. I think Ms.Sue gave me a few links to check, but I can't find the post. Can someone link it to me please?

    asked by y912f
  58. Math

    Higgins Rental charges $ 18 an hour to rent a power tool in addition to a $9 flat service fee. If Joseph rents a power tool and is charged $ 423, how many hours did he rent the tool? Hint: Convert the above scenario into an equation of the form A x + B =

    asked by Raymond
  59. English

    Thank you very much. Could you check these sentences on history, too? 1) As Pope Clemens VII refused to declare his first marriage invalid, Henry broke with Rome and declared himself “Supreme Head of the Church of England” by means of the Act of

    asked by Henry2
  60. physics

    A rocket if fired vertically up from ground with resultant vertical acceleration of 5m/s.The fuel is finished after 2 minutes and the rocket continues to for sometime.How long after fire the max height will be reached?

    asked by Tumur
  61. personification

    how do you change theses sentences to figurative language. Beating their golden hoofs upon the glass Heavens;

    asked by jim
  62. Physics - HELP! PLEASE

    The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x

    asked by Linda
  63. chemistry

    If 16.9 g sodium carbonate is obtained from the thermal decomposition of 75.0 g of sodium hydrogen carbonate according to the unbalanced equation, NaHCO3 ¨ Na2CO3 + H2O + CO2 What is the percent yield?

    asked by kaci
  64. World studies

    what trends led to the rise of nativism, and how did it influence party politics?

    asked by Ciara
  65. physics

    A bus that is traveling at 35.0 km/h, speeds up at a constant rate of 3.4 m/s2. What velocity does it reach 6.8 s later?

    asked by Emily
  66. science

    I have two questions I need help with please. Thank you! 1)Mitochondria, the energy-processing organelles in eukaryotic cells, have their own DNA, separate from that of the cell’s nucleus. Which of the following choices best explains the presence of

    asked by Jon
  67. Geometry

    If there are 10 points on a lone how many line segements does that make?

    asked by Cassidy
  68. grammar

    A mixture of jazz and classical idioms, the music of Gershwin was more innovative than most of his contemporaries. Can somebody tell me what's wrong with this sentence and why? I don't understand. :(

    asked by jamie
  69. Global Business Strategies

    Need help selecting a product/service and a country for a global business venture.

    asked by Tee
  70. math

    need three points to graph from equation 0=3y-6

    asked by liz
  71. science

    Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f

    asked by jake
  72. Pre-Calc

    Please help me with this problem-I'm stuck (x-2)/(x+2) = (x+10)/x I'm not even sure where to start-Thanks for any help you can provide

    asked by Josh
  73. statistic help

    Z score for worlds tallest man- Bao Xishun is the worlds tallest man with a height of 92.95 inch(or 7ft,8.95 inch).men have heights with a mean of 69.6 in. And a standard deviation of 2.8 in. 1. Convert Boa's height to a z score? 2. Does Boa's height meet

    asked by samantha
  74. Algebra

    Hello, I have been trying a few ways to do this problem and am not having success. The sum of four consecutive odd integers is -212. Write an expression for the second, third and fourth odd integers. Use these expressions to write, and solve an equation to

    asked by Martha
  75. chem (science)

    Which of the following pairs of elements are likely to form ionic compounds: A) helium and oxygen B) magnesium and chlorine C) chlorine and bromine D) potassium and sulfur E) sodium and potassium F) nitrogen and oxygen I believe the answer is d and f Would

    asked by jake
  76. geometry

    whats the Biconditional of "the moon is the largest satellite of Earth"

    asked by Anonymous
  77. math

    Take away 1 toothpick, move some others, and leave 1. I don't get it.

    asked by Amanda
  78. math help

    Find the 96th percentile of MPULS?

    asked by sam
  79. math

    Determine the inlier range for FPULS?

    asked by sam
  80. education

    As a teacher how to organize this ethnicity class? why? - african american 3 student -real american 3 student -mexican 3 student -asian 5 student -other 2 student

    asked by A.a
  81. Statistics

    The heights in inches of 14 randomly selected adult males in LA are listed as: 71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69, 72, 68 Display the data in a stem and leaf plot. find the mean, median, mode, range, variance, and standard deviation.

    asked by Lisa
  82. AP Calculus AB

    If y = (((3x^2)+ 5)^5)((x+2)^4), then dy/dx = ? I've gotten to the point where i have (5((3x^2)+ 5)^4)(4(x+2)^3)(6x), what do i do next? It's a multiple choice question anf this is not one of the answers listed. Any help would be appreciated. Thanks!

    asked by Jane
  83. math

    Empirical rule the authors generac generator produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt,and the voltage have a bell-shape distribution.using the empirical rule,what is the approximate percentage of voltage

    asked by bibi
  84. English

    Thank you very much. Can you check the word choice in the following sentences, too? Thank you. 1) With the death of Elizabeth in 1603 the Tudor line died out and James VI (1603-1625) became the first Stuart King in England. 2) James I believed that the

    asked by Henry2
  85. statistic

    Chebyshev's thereon- the author's generac produces voltage amounts with a mean of 125.0 volts and a standard deviation of 0.3 volt. using chebyshev's theorem,what do we know about the percentage of voltage amounts that are within 3 standard deviations of

    asked by marie
  86. Calculus

    differentiate: y=sin^2(x)- cos^2(x) I have this: y'= 2cosx + 2sinx What do i do next??

    asked by Juliet
  87. Math

    Find the finance charge (interest) due on a 9-month loan of $2,400 at a simple interest rate of 10%.(Use the formula for simple interest: Interest Earned = Principal×Rate×Time) (a)$ 18.00 (b)$ 1,800 (c)$ 180 (d)$ 1.80 (e)$ 18 I put in 2400*9*.10 and it

    asked by Gregg
  88. math

    in a department store, there were a certain number of red t-shirts, blue t-shirts and yellow t-shirts. 3/7 of the t-shirts were red, 1/3 of them were blue, and the rest were yellow. If there were 20 more red t-shirts than blue t-shirts, how many yellow

    asked by Anonymous
  89. programming

    How do you write a program that prints out your course schedule for a week? Here's an example of the output for one day: Monday 9:00 Computer Science 101 Monday 11:00 Physics 201 Monday 2:00 Dance 153

    asked by Karina
  90. Science

    balance equation for lead(II) nitrate and sulfuric acid a) coefficients should be in terms of lowest whole numbers. represent substances in solutions as ions if the substances are extensively ionized

    asked by Amanda
  91. Philosphy

    Ms. Ferguson who is practically blind has testified that she saw the defendant stab the victim in the twilight shawdows a 100 yards from the incident. Therefore members of the jury you must find the defendant guilty. Identifiy this fallacy

    asked by Valerie
  92. Chemistry

    Given the Empirical formula: C6H7N, and a molecular mass of 372.52 g/mol, How do I find the MOLECULAR formula for the compound?

    asked by Christina
  93. Physics 8B

    A 280 electric motor is 90% efficient, meaning that 90% of the energy supplied to it ends up as mechanical work. If the motor lifts a 210 weight at 3.5 , how much current does it draw? Express your answer using two significant figures. I= ? Amps

    asked by HELP
  94. College Algebra

    a hardware store owner chooses to enclose an 800 square foot rectangular area in front of her store so that one of the sides of the store will be used as one of the four sides of the fence. if the two sides that come out from the store front cost $3 per

    asked by Brianna
  95. Chemistry

    The combustion of 1.0 of gasoline releases 11 of heat (density of gasoline = 0.74 ). How many megajoules are released when 1.5 of gasoline burns?

    asked by Anonymous
  96. Logic

    The sentence "P → Q" is read as (3) P or Q P and Q If P then Q Q if and only P 2. In the truth table for an invalid argument, (2) on at least one row, where the premises are all true, the conclusion is true. on at least one row, where the premises are

    asked by Cher
  97. Math

    The price of a video system increased by 15% to $1,127.00. What was the price of the system before the increase? (a)$900.80 (b)$908.00 (c)$809.00 (d)$890.00 (e)$980.00 I need help with this problem and to be leaded towards the direction to find the right

    asked by Mathew
  98. Native American Literature

    What were some of the types of writing and genres for Native American Literature, that were predominant during the 1600s when there literature was discovered? I think their type of writing was based on naturism, since they were one of nature, but I do no

    asked by Ann
  99. Pre-Calc

    Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of

    asked by Ellie
  100. science experiment (bouncing egg)

    What's in the coke that stops an egg from bouncing ? is it caffeine

    asked by science
  101. Organic Chemistry

    An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees

    asked by Anonymous
  102. physics

    a hot air ballon is 2.5m high, moving at 2/ms. when someone throws a camera at 13m/s to the baloon. at which height do they meet?

    asked by john
  103. Physics help

    Orville walks 270 m due east. He then continues walking along a straight line, but in a different direction, and stops 230 m northeast of his starting point. How far did he walk during the second portion of the trip and in what direction? Please I need a

    asked by Shereen
  104. cerritos

    how many grams of sodium choloride is needed to prepare 600ml of 9% saline solution?

    asked by maribel
  105. Chemistry

    What is the empirical formula of a hydrocarbon that contains 89.94% C by mass?

    asked by Mark
  106. Chemistry

    What is the empirical formula of a hydrocarbon that contains 89.94% C by mass?

    asked by Mark
  107. English - Research

    What are three readable resources that explain the history of radio?

    asked by Max
  108. English/Lit

    I posted this earlier and someone suggested google-I did research various sites but I was wondering if anyone could perhaps check my answers and see if they would be a correct analysis-thank you I have two questions I'm working on for home work-could you

    asked by Sarah
  109. Math

    A dress is on sale at 15%, off the regular price. If the sales price is $110.50, what is the exact regular price? (a)$ 275.00 (b)$93.50 (c)$94.00 (d)$ 95.00 (e)$ 130.00

    asked by Robert G
  110. Math

    A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are selected at random without replacement determine the probability that (1)all 3 are black (2)all 3 are red (3)2 are black and 1 white (4)at least 1 of each colour is selected.

    asked by Isi
  111. Physics

    A ball is thrown up into the air from a height of 1.2m. if it takes 3.4 s to land, what was the velocity of the throw, and what was the maximum height of the ball?

    asked by Anonymous
  112. Math

    A bag contains 6 black balls,5 red balls and 4 white balls,if 3 are selected at random without replacement determine the probability that (1)all 3 are black (2)all 3 are red (3)2 are black and 1 white (4)at least 1 of each colour is selected.

    asked by Isi
  113. Physics

    A particle travels between two parallel ver- tical walls separated by 39 m. It moves to- ward the opposing wall at a constant rate of 8.8 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2 . 39 m 9.8 m/s2 8.8 m/s a)

    asked by Bethany
  114. Philosophy

    What role did Socrates see himself playing in an athenian society?

    asked by Rick
  115. English

    1, How does she look? 2. What does she look like? 3. How does she feel? 4. What does she feel like? - She looks surprised. (What is the suitable questions for the answer?)

    asked by rfvv
  116. calculus

    cos^-1(cos15pi/6)

    asked by calculus
  117. Survey of Mathematics

    In a recent article, the author states that 71% of adults do not use sunscreen. Although 71% is a large percentage, explain why it could be misleading. As you answer the questions above, identify what types of misrepresentation or misuse have been

    asked by Leslie
  118. calc

    lim x-> 2- = 2x-x^2/x-2

    asked by calculus
  119. English

    Here are some more sentences on the same theme. Thank you. 1) Puritans was the name given to the more extreme Protestants within the Church of England. They disapproved of both the rites and the bishops of the Church of England and wanted to reform the

    asked by Henry2
  120. karan

    What's in the coke that stops an egg from bouncing ? is it caffeine

    asked by science
  121. English

    1. To make a snowman was fun. (What is the part of speech of 'fun'? A noun of an adjective?) 2. I make it a rule to get up at five in the morning. 3.I regard it natural to study math every day. (Are the two sentences grammatical?) 4. The boat rocked so

    asked by rfvv
  122. Statistics

    Please advise how do I get the Regular % and the Cummulative % I just need one example other wise I will lose what's left of my mind. Defect Description Qty Improperly Sized 258 Bad Seam 153 Missing Buttons 67 Fabric Flaw 22 500

    asked by JC
  123. Physics

    A shopper in a supermarket pushes a loaded cart with a horizontal force of 13 N. The cart has a mass of 32 kg. (a) How far will it move in 4.0 s, starting from rest? (m) (Ignore friction.) (b) How far will it move in 4.0 s if the shopper places his 30 N

    asked by Elaine Jetton
  124. chemistry

    A 51 kg person drinks 330. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in

    asked by Ellie
  125. physics

    Express 10 to the negative 7 meters into nanometers. Answer in nanometers.

    asked by Jackie
  126. Earth Science

    What are FIVE tools that we use to help us extend our senses when making quantitative observations?

    asked by Jena
  127. geometry

    find x if ac=2x-1 and ae=x2-2

    asked by Anonymous
  128. Computing in Security (Conversion Help)

    1.) Encrypt the hexadecimal message F9E8 using the Rail Fence cipher for binary numbers with 3 Rails. [Give answer in hexadecimal encrypted message] 2.) Decrypt the hexadecimal encrypted message CDEF created by the Rail Fence cipher for binary numbers with

    asked by Francesca
  129. Algebra

    Find distance between the two points and the midpoint of the line segment joining them (-1,1)and (-3,-2)

    asked by Amanda
  130. Algebra

    Identify the triangle PQR as isosceles ( two sides equal length) equilateral (three sides of equal length) a right triangle, or a scalene triangle (three sides of different length)

    asked by Amanda
  131. Algebra

    Find X such that the point (X, 8) is 13 units from (7, -4)

    asked by Amanda
  132. English

    I forgot to include the following sentences. Thank you. 1) After 1653, even that one-house Parliament was dissolved and the country was under Cromwell’s direct rule. Officially he was given the title of Lord Protector. 2) Despite his victorious military

    asked by Henry2
  133. physics

    Can Acceleration be negative?

    asked by Mariah
  134. Algebra

    Let A(4,3) B(5,8) and C(3,10) be three points in a coordinate plane. Find the coordinates of a point D such that the points ABC and D form a parallelogram with (a)AB as one of the diagonals (b)AC as one of the diagonals (c)BC as one of the diagonals

    asked by Amanda
  135. English

    I tried to simplify some of the sentences, as you suggested to me. Can you please check if everything is OK? 1) Puritans was the name given to the more extreme Protestants within the Church of England. They disapproved of both the rites and the bishops of

    asked by Henry2
  136. English

    I'm posting you the sentences I'm most dubtful about. I included my doubts in parentheses. 1) Despite his victorious military campaigns Cromwell introduced unpopular restrictions on everyday life, such as, for example, the closing (?) of the theatres for

    asked by Henry2
  137. science experiment (bouncing egg)

    What's in the coke that stops an egg from bouncing ? is it caffeine

    asked by egg science experiment
  138. Chemistry

    Given the following heats of combustion. CH3OH(l) + 3/2 O2(g) CO2(g) + 2 H2O(l) ΔH°rxn = -726.4 kJ C(graphite) + O2(g) CO2(g) ΔH°rxn = -393.5 kJ H2(g) + 1/2 O2(g) H2O(l) ΔH°rxn = -285.8 kJ Calculate the enthalpy of formation of methanol (CH3OH) from

    asked by Ellie
  139. Pre-Calc

    Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of

    asked by Elllie
  140. science

    Most proteins (do or don't) pass through the plasma membrane? Explain? Substances that dissolve in (lipids or water) can more readily pass across the plasma membrane. Explain Ions can cross the plasma membrane more easily if they have the (same or

    asked by kj
  141. Math %

    Please advise how do I get the Regular % and the Cummulative % I just need one example other wise I will lose what's left of my mind. Defect Description Qty Improperly Sized 258 Bad Seam 153 Missing Buttons 67 Fabric Flaw 22 Total 500

    asked by JC
  142. Chemistry-please help

    Hi, I have a queestion on Gas Chromatography(GC). The following were injected into the GC systemk: - 1) 1% sample solution in acetone 2) a 500 times dilution of item 1) The retention time of the main peak in the diluted sample solution 2) shifted by ~

    asked by jess
  143. MATH

    There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

    asked by Audrey
  144. sciecnce (hypothesis)

    Am doing a experiement with a egg and trying to see if the shell dissolves hypothesis: If the solution is vinegar then the egg shell will dissolve. Is the hypothesis correct

    asked by karan
  145. Physics

    A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.995 m (3.26 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?

    asked by Tyler
  146. Physics HELP

    A hot air balloon is 2.5m above the ground rising at 2m/s. A camera is thrown from the ground at 13m/s. At what height do the camer and balloon meet. Need to know the correct formulas and how to insert the data. Stuck on this question for homework.

    asked by john
  147. Physics

    A pitcher throws a baseball horizontally from the mound to home plate. The ball falls 0.995 m (3.26 ft) by the time it reaches home plate 18.3 m (60 ft) away. How fast was the pitcher's pitch?

    asked by Tyler
  148. economics

    Do you think lotteries have both micro and macro economic effects or only micro? How do lotteries change what and for whom goods and services are produced?

    asked by Emily
  149. algebra 1

    From a shipment of 350 light-bulbs, a sample of 70 was selected at random and tested. If 21 light-bulbs in the sample were found to be defective, how many defective light-bulbs would be expected in the entire shipment?

    asked by alex
  150. Finance

    Investment X offers to pay you $5,500 per year for nine years, whereas Investment Y offers to pay you $8,000 per year for five years. Which of these cash flow streams has the higher present value if the discount rate is 5 percent? If the discount rate is

    asked by Anonymous
  151. psychology

    To Jiskha experts, What would this world be like without great peacemakers and leaders like Nelson Mandela?

    asked by Sharon
  152. chemistry

    Calculate the concentration (in mg/L) of a solution formed by dissolving 5.000 g of solute in enough solvent to make 2.300 L of solution.

    asked by alex
  153. Nursing

    What are meds for disease processes related to nutrition?

    asked by sally
  154. English 101

    I'm not very good with English and i'm having some trouble with citations. There's a few questions I'm confused about. ____________________________ Read each of the following statements from the excerpt below and determine if the statement is “OK” in

    asked by Hans
  155. french

    How Do You Write In The Passe Compose? ex: elle descend en ville avec son amie. how do i turn that into a passe compose

    asked by kmkolk
  156. medical coding

    when are abbreviations acceptable,who should use htem and why in the medical field

    asked by sue
  157. Physics

    A superhero flies 235 m from the top of a tall building at an angle of 15◦ below the horizontal. What is the horizontal component of the superhero’s displacement? Your answer must be within ± 5.0%

    asked by Anonymous
  158. Chemistry

    Express 2.5M NaCl as a percent solution. what is the molar concentration of a 10% NaCl solution?

    asked by confuzzled
  159. chemistry

    A 150.0-mL sample of Solution A is diluted to a total volume of 423 mL to form Solution B. If the concentration of Solution A was originally 20.0 mg/L, what is the concentration (in mg/L) of Solution B?

    asked by alex
  160. Chemistry

    What is the molarity of a solution of sucrose that has a density of 1.24g/ml and a molecular weight of 342.3g/mol

    asked by confuzzled
  161. world geography

    Exports of tin and silver were the mainstays of the _______ economy for many decades. However, today, as the market for tin has declined, the country has become an exporter of other metallic ores, such as gold.

    asked by pam
  162. Native American Literature

    What were some major Native American achievements in the U.S. during the 1600s? I know that they were the first people to inhabit the Americas, but I can not find any other achievements.

    asked by Ann
  163. Physics

    A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/hour. The kayak's velocity is 3 km/hour. What is the magnitude of the kayak's velocity relative to the river bank?

    asked by Judy
  164. Chemistry

    How many milliliters of 5M H2SO4 are required to make a 1500ml of a .002M H2SO4 solution. I used the formula M*L=M * L so mL *5 = 1500 * .002 I got .6mL is this right?

    asked by angel
  165. Physics

    A particle travels to the right at a constant rate of 6.8 m/s. It suddenly is given a vertical acceleration of 1.8 m/s2 for 5 s. What is its direction of travel after the acceleration with respect to the horizontal? Answer between −180◦ and +180◦ and

    asked by Jack
  166. Nursing

    nursing interventions for pt unable to feed self

    asked by sally
  167. geometry

    This is for SAT prep :( Semicircular arcs AB,AC,BD,CD divide the circle above into regions. The points show along the diameter AD divide it into 6 equal parts. If AD=6, what is the total area of the shaded regions? a.4pi b.5pi c.6pi d.12pi e.24pi Here is a

    asked by Rich
  168. Child Development

    Please help I am correcting my child's homework. which of these theories would be considered behaviorism and why? A. Psychosocial Theory B. Social Learning Theory C. Cognitive-Development Theory D. Sociocultural Theory

    asked by Anonymous
  169. Modern Physics

    (7) Show that if a particle moves at an angle θ with respect to the x-axis with speed u in frame S, then it moves at an angle θ′ with the x′-axis in frame S′ with tanθ′ = sinθ /( γ(cos θ − v/u)) Assume that S′ moves in the +x direction

    asked by Phil
  170. physics

    When point charges q1 = +5.4 ìC and q2 = +8.3 ìC are brought near each other, each experiences a repulsive force of magnitude 0.69 N. Determine the distance between the charges. i used the eqution F=k(q1)(q2)/r^2 . i got 7.64E5 but it is not right .can

    asked by kim taylor
  171. physics

    A 747 jetliner lands and begins to slow to a stop as it moves along the runway. The mass is 2.8 105 kg, its speed is 28.5 m/s, and the net braking force is 4.15 105 N.

    asked by Anonymous
  172. Physics

    An automobile and train move together along parallel paths at 31.6 m/s. The automobile then undergoes a uniform acceleration of −4 m/s2 because of a red light and comes to rest. It remains at rest for 44 s, then accelerates back to a speed of 31.6 m/s at

    asked by Nick
  173. calculus

    Why is it that when Lim x -> 0^- the |x| = -x?

    asked by Daniel
  174. Physics

    Two vectors of magnitudes 25 N and 22 N act at right angles to each other. What is the magnitude of their resultant? Answer in units of N

    asked by Anonymous
  175. student council

    What would be a good point to run for president of the student council?

    asked by Anonymous
  176. physics

    Good study tips for physics? I am having trouble understanding the theory and how to apply it into the equations. People have told me I should not just punch in numbers, but I do not know what to do besides that; I treat it like math.

    asked by Daniel
  177. Physics

    A roller coaster travels 170 ft at an angle of 47.5◦ above the horizontal. How far does it move horizontally? How far does it move vertically? Answer in units of ft

    asked by Anonymous
  178. statistics

    Bob is a salesman. He receives $20 for each sales plus a fixed salary of $100 per week. Bob's average weekly sales is 70 units with a standard deviation of 15. Bob works 45 weeks a year.

    asked by tuyet
  179. Native American Literature

    What themes were predominant in the writings of the 1600s for Native Americans? Native Americans did not have any literature in the 1600s, but they did have oral traditions and stories which had a few main themes. Some of these stories were moral lessons

    asked by Ann
  180. Politics

    I'm writing a speech, and it's about the topic "Private sector investment is preferable to public sector investment for Human Space Exploration" I'm on the con side for this argument, and one of my reasons was that public sector will spur cooperation,

    asked by Anna
  181. science

    A sample of metal has a mass of 94.5 grams and a volume of 7 civic centimeters. What is its density?

    asked by sarah
  182. US history

    what do you think are the top major events between 1850-1877? thanks

    asked by sara
  183. spanish

    Form complete sentences using the information provided. Use indirect object pronouns and the present tense of the verbs Javier / prestar / el abrigo / a Gabriel

    asked by paul
  184. physics

    Two point charges, +4.00 ìC and -7.00 ìC, are separated by 2.20 m. What is the electric potential midway between them?

    asked by kim taylor
  185. Informal Logic-Pls chk ans

    The sentence "P → Q" is read as (3) P or Q P and Q If P then Q Q if and only P 2. In the truth table for an invalid argument, (2) on at least one row, where the premises are all true, the conclusion is true. on at least one row, where the premises are

    asked by Anymous
  186. physics

    Two particles each have a mass of 6.7 x 10-2 kg. One has a charge of +7.3 x 10-6 C, and the other has a charge of -7.3 x 10-6 C. They are initially held at rest at a distance of 1.1 m apart. Both are then released and accelerate toward each other. How fast

    asked by kim taylor
  187. science

    If a motorcycle starts at 200m/s passes a cop and slows down to 100m/s what is the acceleration of the motorcycle?

    asked by brier
  188. physics

    An electron is released from rest at the negative plate of a parallel plate capacitor and accelerates to the positive plate (see the drawing). The plates are separated by a distance of 1.3 cm, and the electric field within the capacitor has a magnitude of

    asked by kim taylor
  189. Math

    A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding

    asked by HM
  190. physics

    car comes to a stop over distance of 30.0m after the driver applies brakes. If the car decelerates @ contant rate of 3.50m/s2, what was the car's origianl sped?

    asked by cait
  191. chemistry

    From a 1M Tris solution, how is a 400ml of 0.2 M Tris prepared? I have no idea where to start

    asked by Dave
  192. physics

    A stone is dropped from the roof of a tall building. A person measures the speed of the stone to be 49 m/s when it hits the ground. What is the height of the building?

    asked by shannon
  193. Social studies

    Why in Malaysia, should people not touch a child's head?

    asked by rfvv
  194. physics

    A car moving at 62 mi/h can be brought to rest in 4.8 s. Assuming that the deceleration is uniform, how far will the car travel between the time the brakes are applied and the time the car stops?

    asked by Adnane
  195. complete subject

    find a complete subject his first position was am assistant at the obstetricbclinic in vienna

    asked by pani
  196. world history

    how can constitutions promote change or help resolve social issues?give some historical examples

    asked by maria
  197. Native American Literature

    How are the tensions of the time of Native American literature (Pre-1600) reflected in American literature? There were a lot of white people at the time, that looked down on Native Americans. The white people would always try to steal their land and cause

    asked by Ann
  198. biology

    How would you measure chloride current during an action potential

    asked by Joanne
  199. English

    Could you please check these sentences on the same theme? Thank you. I did the corrections you told me. 1) Humanists played a major role in shaping the new Church of England since they translated the Old and New Testament into English following the

    asked by Henry2
  200. Government US

    The laws applicable to a case a. reveal the relevant circumstances of the case, and are determined solely by trial courts. b. are more important than the facts of a case, and supersede the facts when the two conflict. c. constrain the judiciary, because

    asked by HM
  201. 8th grade math

    There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

    asked by Audrey
  202. Government US

    A written Supreme Court opinion that, in the absence of a majority opinion, represents the reasoning of most of the justices who side with the winning party is a a. plurality opinion. b. concurring opinion. c. leading opinion. d. prevailing opinion. e. per

    asked by HM
  203. English 12 (URGENT!!!)

    Sorry to repost this. I am still a bit confused of the last post. No Man is an Iland: "any man's death diminishes me, because I am involved in mankind" My teacher asked me for my opinion, is the quote true and I answered yes. Now I need proof to back up my

    asked by iNeedHelp
  204. Biology

    Describe how DNA is converted, during transcription, into mRNA through initiation, elongation and termination. In addition, describe how RNA is converted to proteins through the steps of initiation, elongation, and termination.

    asked by Alexia
  205. Microeconomics

    Why do consumers dislike the bundling of goods? How do consumers respond to free goods? What are the cost components for electrical products? What is the cost structure for information goods?

    asked by Ms. Johnson
  206. Physical Science

    The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue?

    asked by Jaskson
  207. Physical Science

    Can you please go over my answers to see if Im correct Im having trouble in this class. A car with mass 2000kg is held at a height of 1.8 meters by a hydraulic lift. The surface area of the piston inside the lift is 300cm², and the surface area of the

    asked by John
  208. writing( short story)

    Can you proofread? I need some figurative language. The word limit is 750-1500 words. “Don’t go in that room,” screamed Kayla and her best friend Rebecca at the top of their lungs while watching the movie, “Martha's End.” Kayla’s mother, Tina,

    asked by Amanda
  209. math/chem significant figures

    Which of the answers for the following conversions contains the correct number of significant figures? A)2.543 m x 39.4in/1m=100.1924in B)2 L x 1.06qt/1L=2.12 qt C)24.95 min x 1hr/60 min=0.4158 hr D)12.0 ft x 12in/1ft x 2.54cm/1in=370cm E)24.0 kg x

    asked by kelie
  210. Informal Logic

    What is the truth value of the sentence "P v ~ P"? True False Cannot be determined Not a sentence My answer is false, Is this correct?

    asked by B
  211. Physical Science

    A bridge in Sweden carries the Gota Canal over a highway. What, if anything happens to the load on the bridge when a boat passes across it in the canal?

    asked by Jaskson
  212. MATH! URGENT!!!

    There are 32 teams in the NFL. Sixteen of the teams are in the American Football Conference (AFL) and the other 16 teams are in the National Football Conference (NFC). At the beginning of the season, Julia tried to predict the teams that would be in each

    asked by Audrey
  213. Physical Science

    What are the equivalents of 0 K, 0 degrees Celsius, and 0 degrees F in the other tempertaure scales?

    asked by Jaskson
  214. chemistry

    A doctor has ordered that a patient be given 11 of glucose, which is available in a concentration of 60.00 glucose/1000.0 of solution. What volume of solution should be given to the patient?

    asked by Tina
  215. Calculus

    Suppose g (x) is increasing and concave up everywhere and g (A) = 9, g '(A) = 17, h = 0.01 estimate g(A-h)

    asked by Mandi
  216. Physical Science

    Tempertaures in both Celsius and Fahrenheit scales can be negative. Why is a negative tempertaure impossible on the absolute scale?

    asked by Jaskson
  217. home work help please

    Complete the Multiple Pathways to Learning assessment and the Personality Spectrum assessment. Relate results to your personal study habits. Prepare a 350- to 700-word paper where you answer the following questions: · How may you use the study techniques

    asked by stacy
  218. MATH HELP Calculus

    Im stuck on a lot of questions, here they are: 24 + 12 + 6 + ...(S7) Sn = 24(2^7-1)/2-1 S7 = 24(127)/1 S7 = 3048/1 Thats what I got as an answer, but it's wrong, the real answer is a fraction answer, and its 381/8. How did they get that??? The other one

    asked by Anonymous
  219. Physical Science

    The specific heat of granite is 0.80 kJ/kg*Celsius. If 1.6 MJ of heat are added to a 100-kg granite of statue of James Prescott Joule that is origanlly at 18 degrees Celsius, what is the final temperture of the statue? No one has been able to answer this

    asked by Jaskson
  220. Calculus

    How many terms are required in the series (-6) + (-12) + (-24)... to add to a sum of -378? How do I do this?

    asked by Anonymous
  221. Chemistry 12

    How do we determine the specific gravity of a solution? and what unit is it in?

    asked by JM
  222. Calculus

    Legend has it that long ago a kind was very pleased with the game of chess that he decided to reward the inventor of the game Anna, with whatever she wanted. Anna asked for a resource instead of money. Specifically, she asked for one grain of wheat for the

    asked by Anonymous
  223. Algebra II

    Evaluate: ƒ(2) + 5 It says to use this graph to solve the equation: h t t p://i55 . t i n y p i c . com/2qdvfur.jpg Right now we're on Algebra and Composition with Functions. I have no idea what I'm supposed to do, and there are no instructions for any of

    asked by Matt
  224. Physical Science

    Ninety kilojoules of heat were added to a 2.0-kg piece of wood whose temperture then rose from 20 degrees Celsius to 48 degrees Celcius. What was the specific heat of the wood?

    asked by Jaskson
  225. Calculus

    Hard rubber ball is thrown down from a building with a height of 5 metres. After each bounce, the ball rises to 4/5 of its previous height. Total vertical distance d ball has travelled at the moment it hits the ground for the 8th time, to the nearest 10th

    asked by Anonymous
  226. Math

    222x9 in distributive property format i got the answer its just i have to figure out how to show how i got. For example i was able to get 56x4+224 by doing (50x4)+(6x4) then 200+24=224.PLEASE HELP

    asked by JimCarrey2JohnnyDepp
  227. Physics

    Consider a toy car which can move to the right or left along a horizontal line (the pos- itive part of the distance axis) and a force applied to that car. Identify the force that would allow the car to move toward the right (away from the ori- gin) with a

    asked by _
  228. geometry

    find x if segment AC=2x-1 and segmentAE=x^2-2 how do I find x

    asked by Anonymous
  229. health

    identify the government stucture. on meningitis can anyone help me with this one? im stumped

    asked by bobbi
  230. Algebra

    1,Sovle using the substitution method. Show your work. If the system has no solution or an infinite number of solutions,state this. -x - 3y = -20 5x + 3y =40 2 Sovle using the elimination method. Show your work. If the system has no solution or an infinite

    asked by Destiny
  231. CHEMISTRY

    A STUDENT STUDYING THE FE+3- HSCN equilibrium put into a test tube 10.00ml of 2.00 x 10-3 M Fe(NO3)3 with 10.0 mL of 2.00 x 10-3 M HSCN.THE H+ in the resulting solution was manteined at 0.500.By spectrophotometric analysis of the equilibrium solution, the

    asked by da
  232. physics

    A charge of 8 pC is uniformly distributed throughout the volume between concentric spherical surfaces having radii of 1.7 cm and3.7 cm. What is the magnitude of the electric field 2.6 cm from the center of the surfaces? Let k_e=8.98755*10^9 N*m^2/C^2 I

    asked by alex
  233. us history

    what does a full-fledged American mean?

    asked by jazmin
  234. math

    how do you get the answer: 32-13+21=114

    asked by dee
  235. Physics

    A 1200-N crate is being pushed across a level floor at a constant speed by a force of 260 N at an angle of 20.0° below the horizontal. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 260 N force is instead

    asked by Elaine Jetton
  236. physical science

    a tennis ball travels the full length of the court,24m, in 0.5s. what is the average speed

    asked by tonya
  237. Physics

    A car accelerates uniformly in a straight line from rest at the rate of 2.7 m/s 2 . What is the speed of the car after it has traveled 58 m? Answer in m/s

    asked by Hayley
  238. chemistry

    If 434 g SO2 escaped into the atmosphere and all the escaped SO2 were converted to H2SO4. How many grams of H2SO4 would be produced in the atmosphere?

    asked by elizabeth
  239. Algebra

    Sovle using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this -2x + 3y = -37.5 -4x + 0y = -24

    asked by Destiny
  240. physical science

    A 65 kilogram person stands on a diving board 15 meters above the water. figure the GPE. show formula and work

    asked by Alexis
  241. physics

    a car accelerates uniformly from rest to a speed of 21.8 km/h in 5.9 seconds.find the distance it travels during this time. answer in units of meters

    asked by jane
  242. Physical Science

    A 156-kg coil sheet steel is 0.80 mm thick and 50 cm wide. How long is the steel in the coil?

    asked by Jackson
  243. Physics

    A car accelerates uniformly (a = constant) from 34 meters/second up to 40 meters/second in 4.0 seconds. What is the acceleration of the car in meters/second2?

    asked by Kristina
  244. physics

    A truck at rest at a stoplight accelerates uniformly with acceleration a = 8 meters/second2 for 5.5 seconds after the light turns green. What is the speed of the truck in meters/second after that time interval?

    asked by Kristina
  245. physics

    turner's treadmill starts with a velocity of -3.4 m/s and speeds up at regular intervals during a half hour workout. after 26 minutes the treadmill has a velocity of -7.6 m/s. what is the average acceleration of the treadmill during this period? answer in

    asked by jane
  246. physics

    a car enters the freeway with a speed of 5.6 m/s and accelerates uniformly for 2.7 km in 3.0 minutes.How fast is the car moving after this time? answer in units of m/s

    asked by jane
  247. physics

    a driver of a car traveling at 15.6 m/s applies the brakes causing a uniform deceleration of 2.1 m/s squared. how long does it take the car to accelerate to a final speeed of 10.9 m/s. answer in units of seconds

    asked by jane
  248. Physical Science

    A tire contains air at a pressure of 2.8 bar at 10 degrees Celsius. If the tires volume is unchanged, what will the air pressure in it be when the tire warms up to 35 degrees Celsius as the car is driven?

    asked by Jason (please help)
  249. math

    A nurse wants to add water to 18 ounces of a 10% solution of benzalkonium chloride to dilute it to an 8% solution. How much water must she add? (Hint: Water is 0% benzalkonium chloride.)

    asked by N/A
  250. math

    A professor wants to supplement her pension with investment interest. If she invests $26,000 at 4% interest, how much more would she have to invest at 8% to achieve a goal of $2,400 per year in supplemental income?

    asked by N/A
  251. algebra

    need help bad if one line as a slope of -3 and another has a slope of 2,which line is steeper and why? want to know to graph

    asked by babygirl
  252. math algerbra 1

    how do you solve for the function in a problem like 4x+y=-10?

    asked by Carl
  253. MATH help

    A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding

    asked by HM
  254. Business

    Assignment is: One organization must compete in the domestic market and one in the global market, such as Southwest Airlines and Lufthansa. I want to do my paper on something else besides airlines like drug manufacturing but I do not know any company that

    asked by Mary
  255. history

    why did the europeans say the indians were uncivilized ?

    asked by tina
  256. statistics

    . In a sample of n = 6, five individuals all have scores of X = 10 and the sixth person has a score of X = 16. What is the mean for this sample?

    asked by toonie
  257. Native American Literature

    Why did the Native Americans use the types of writing and genres that they did? Genres: Native American literature's, stand apart as a separate tradition that is itself strong and varied. This culture had rich, established literature. Legends, folktales,

    asked by Ann
  258. Chemistry

    A piece of Na metal undergoes a complete reaction with H2O (l0 to produce sodium hydroxide and hydrogen. If 24.0 g of Na in a 3.50 L container is reacted with an excess amount of water at 25 degrees Celsius, calculate the total pressure (in atm) in the

    asked by Louis
  259. MATH

    how do you wite an equation for the function in a problem like 4x+y=-10?

    asked by Carl
  260. HUM/176

    Final Assessment Due 9-18-11 11:59 Arizona time Answer each question below. Answers should be at least 100 words per question. Answers should be in your own words. Any direct quotes must be properly identified. Each answer should include at least one

    asked by Miska
  261. statistics

    In a certain college, 55% of the students are women. Suppose, we take a sample of two students. Use a probability tree to find the probability that at least one of the two students is a woman.

    asked by Sam
  262. Chemistry

    Nickel metal reacted with oxygen: Ni (s) + O2 (g) --> Ni2O3 (s). 95.00g of Nickel is reacted with 2.000L oxygen at 10.56 atm and 30.00 degrees Celsius. At the end of the reaction the pressure was reduced to 7.56 atm at the same temperature and volume. How

    asked by Louis
  263. Chemistry

    A 185.325 g sample of a compound of carbon, nitrgoen and hydrogen is burned completely. Calculate the empirical formula if 225.0 g of water and 230.0 g of NO2 is formed. In another experiment the sample was found to have a density of 10.9 g/L at 1.20 atm

    asked by Louis
  264. Chemistry

    Helium gas is added to a 2.00 L container at 23 degrees Celsius containing Neon and Argon with a pressure of 725.3 mm Hg, what is the mass of Nitrogen added if the pressure is increased by 50%.

    asked by Louis
  265. english

    Hi, I need help finding these 3 questions please: I couldn't find them, thanks!!(1) what are the ethical concerns of embryonic stem cell research? (2) what are the benefits of related to adult stem cell reseach? (3) who are the voices in our society who

    asked by jessica
  266. maths

    two reasons why straws cannot be used to measure distances

    asked by kese
  267. algebra

    The lenghth c of the colorado river is three times the length r of the conneticut river plus 229 miles

    asked by Anonymous
  268. chemistry 20

    4al+3o2 2al2o3 what volume of o2 do you need to use up 100kg Al at SATP

    asked by Anonymous
  269. math

    Moulding comes in four different lengths. Jesse needs to cut four pieces of moulding, each 3 and 7 tenths feet long, from one board. Which length should he buy? 8 feet, 10 feet, 12 feet, or 14 feet?

    asked by alissa
  270. algebra

    (55+80+70+x)/4

    asked by babygirl
  271. science

    A race car travels northward on a straight, level track at a constant speed travels 0.756 km in 18.0 s. The return trip over the same track is made in 23.0 s

    asked by tina
  272. Math

    Jake is planning to fence his garden. His garden is 10 feet long and 5 feet wide. What is the amount of area Jake wants to fence? Is this a perimeter or area question? That's all I need.

    asked by Catherine
  273. Physics

    A car initially moving at 15 m/s accelerates at 4.5 m/s2 over a distance of 10 m. Find the final velocity?

    asked by Harmony
  274. Physical Science

    I need someone to go over and correct my answers please, I was haveing trouble on these three. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B) 64 m/s. C) 128 m/s. D) 640 m/s. I think its a A string on a guitar

    asked by Anonymous
  275. Bus. Math

    Assuming monthly payment was 804.45 on a 50,000 loan of 9% compound interest for 7 years. How would I calculate what the unpaid balance is and the end of 12 months? Then again a the end of 72 months? Am I on the right track: PV .0075 over 1 - (1 + i)-n How

    asked by Julia H.
  276. College Physics

    The Daytona 500 stock car race is held on a circular track that is approximately 2.25 miles long, and the turns are banked at an angle of 32.5°. It is currently possible for cars to travel through the turns at a speed of about 189 miles per hour. Assuming

    asked by Anon14
  277. organic chemistry

    state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole

    asked by juan777
  278. organic chemistry

    state whether you would expect each of the following properties to be identical or different for the two enantiomers of 2-pentanol. Explain a)boiling point b)optical rotation c)solubility in hexane d)density e)solubility in (S)-3-methylhexane f)dipole

    asked by juan777
  279. us history

    why don't more textbooks have readings on blacks resisting slavery?

    asked by tina
  280. geometry

    points a b and c are collinear if the distance from point a to point b is 8 more than twice the distance from point b to point c and the length of segment ac is 5 times the length of segment of bc, how long is segment ac

    asked by Anonymous
  281. bus

    Your friend has asked you why the price of bananas is higher during certain times of the year. Using what you have learned about the laws of supply and demand, explain to your friend how the market affects price.

    asked by Anonymous
  282. english

    I can't find any examples happening today that one's death will affect other people in other countries

    asked by iNeedHelp
  283. physics

    A convex mirror is needed to produce an image that is nine-tenths the size of an object and located 21 cm behind the mirror. What focal length should be specified?

    asked by Anonymous
  284. History 8

    What is the average amount of days of snow cover in New Hampshire?

    asked by Alyonka
  285. English 12

    How could I write a good thesis statement about how Connie's character is significant in Where Are You Going, Where Have You Been? thank you

    asked by Anonymousss
  286. physics

    A ball is thrown upward with an initial velocity of 13 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2, and remember that the velocity is equal to zero at the high point.)

    asked by April
  287. geometry

    If R is the midpoint of AB and S is the midpoint of BC and AS:SC=3:2, determine the length of BS if AC=50.

    asked by CC
  288. chemistry

    what do glass, water, carbon dioxide, plastic wrap, and air have in common

    asked by Anonymous
  289. Physics

    I need someone to go over my answers please, I was haveing trouble on these three. If I got it wrong will you tell me how I should solve it with formulas please. What is the wave speed for a wave of 5 meters wavelength that has a frequency A) 25.6 m/s. B)

    asked by Anonymous
  290. math

    solve the absolute value problem : 3x+|4x+5|=10

    asked by jaz
  291. Excel Problem

    If the initial temperature is 115 F (46 degrees C), the cold water temperature is 1.7 (degrees C), and the volume and volumetric flow rate are 3,000 liters and 30 liters per minute, respectively, (a) Calculate the expected water temperature at 5-minute

    asked by Angel
  292. English

    1. I have lived there since I was born. 2. I have lived there since 2000. 3. I have lived there since in 2000. 4. I have lived there since I was 8 years old. 5. I have lived there for about 8 years. (Would you check the sentences? Which ones are not

    asked by rfvv
  293. English

    1. If I had a lot of money, I would buy a new laptop. 2. As I don't have a lot of money, I don't buy a new laptop. 3. If I had had a lot of money, I would have bought a new laptop. 4. As I didn't have a lot of money, I didn't buy a new laptop. (Does #1

    asked by rfvv
  294. statistics

    1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the

    asked by Ahmad