Questions Asked on
November 21, 2011

  1. Calculus

    How do I integrate (e^(3/x))/(x^2) from 1 to 3. I understand how and why I need to do u-substitution, with u=3/x and so dx=(-3 du)/x^2. After plugging (-3 du)/x^2 in for dx, I get a really messy problem that I don't know how to finish. Can you please

    asked by W
  2. math

    Hints to solve following nonlinear equation please? y=-4.9x^2+20x+10 9.8x+y=20

    asked by momo
  3. socials

    what happened after the cypress hill massacre?? The white invaders formed the Northwest Mounted Police ???? what else happened?

    asked by kim
  4. Physics

    A worker pushing a 35.0-kg wooden crate at a constant speed for 13.7 m along a wood floor does 390 J of work applying a constant horizontal force of magnitude F0 on the crate.Determine the value for F0.

    asked by raj
  5. College Chemistry

    i measured out 2 different tared mass of TUMS sample. One is 0.1554g and the other 0.1546g. Then i did two titrations with the conclusion of one being 17.91mL of NaOH and the other 17.47mL my question is: "if you consumed two 1.00g tablets of TUMS, how

    asked by Anonymous
  6. college physics

    A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.355 and he exerts a

    asked by ann
  7. calculus

    Find the radius and hight of cylinder with voume 64π and radius r between 1 and 5 that has smallest possible surface area. A cylinder of radius r and hight aah 2π^2+2π r h and π r ^(2) h.

    asked by saud
  8. Calculous

    let f be the function defined by |x-1|+2 for Xor equal to 1. where a and b are constants a)if a=2 and b=3 is f continious for all x? justify your answer b)describe all the values of a and b for which f is a continious function c) For what values of a and b

    asked by Yoona
  9. Calculous

    the figure shows the graph of F', the derivative of a function f. the domain of the function f is the set of all X such that -3< or equal to x

    asked by Yoona
  10. Math

    How do I create a quadratic equation that passes through the points (-1,2),(1,7),(4,5)?

    asked by momo
  11. maths

    The hypothetical finance ltd has structured a hire-purchase deal.The required to make a down payment of 20 percent of the investment cost.The hire term is four years with quarterly payment in advance . The flat rate of interest is 13 percent. The finance

    asked by donald
  12. Math

    Simplify: y=x(x-4) little help please. thanks.

    asked by John
  13. Pre Calculus

    1. Find all rational zeros of the polynomial. Then determine any irrational zeros, and factor the polynomial completely. 3x^4-11x^3+5x^2+3x 2. Find the polynomial with leading coefficient 1 that has a degree of 4, a zero of multiplicity 2 at x=1 and a zero

    asked by Josh
  14. statistics

    A test was conducted and the students obtained the following scores; 18%, 28%, 30%, 50%, 56%, 64%, 64%, 70%, 72% and 84%. What statistical analysis method will be better to analyse this scores and please analyse it

    asked by Anonymous
  15. Calculus

    A right circular cone has a constant volume. The height h and the base radius r can both vary. Find the rate at which h is changing with respect to r at the instant when r and h are equal.

    asked by Helga
  16. calculus

    find L- Hospital lim x_---- inf 1/e^(-x)=

    asked by saud
  17. Math (URGENT)

    How to graph: y=x(x-4) Calculator shows the vertex at (2,-4) Can someone explain why? Thanks.

    asked by John
  18. Physics

    A car driving along a highway at a speed of 23 m/s strays onto the shoulder. Evenly spaced parallel grooves called “rumble strips” are carved into the pavement of the shoulder. Rolling over the rumble strips causes the car's wheels to oscillate up and

    asked by Tom
  19. Math (linear algebra)

    Solve the system of equation. x- 2y+ 3z = 5 3x + y = -5 -2x+y + z = 8

    asked by ZUkii
  20. calculus

    find L- Hospital lim x-> inf f(x)=1/e^(-x)

    asked by saud
  21. English

    1. Shortly after 10 o'clock, I was bringing the glass necklace downstairs for display. 2. Right after 10 o'clock, I was bringing the glass necklace downstairs for display. (Are both the same? Can we use 'Right' instead of 'Shortly'?)

    asked by rfvv
  22. psychology

    In Psychology, it is a well known fact that one can change oneself through positive self-affirmation & visualisation .It is believed that the self-affirmations to the subconscious mind is best done in an “already achieved mode”. For example, a student

    asked by Anonymous
  23. Linear algebra

    find the inverse of the following matrices if they exist. [1 -2 3] [3 1 0] [-2 1 1] the following represent a 3 x 3 matrices

    asked by ZUkii
  24. mathematics

    given sinθ=-5/13 and π

    asked by Yuli
  25. psychology

    In Psychology, it is a well known fact that one can change oneself through positive self-affirmation & visualisation .It is believed that the self-affirmations to the subconscious mind is best done in an “already achieved mode”. For example, a student

    asked by Susan
  26. mathematics

    given tanθ= -2√10/3 and π/2

    asked by Yuli
  27. maths

    1/2 ( 2x + 9 ) x 10 = 85

    asked by Andrew
  28. physics

    Your physics teacher assigned a thermometer-building project. He gave you a glass tube with an inside diameter of 1.15 mm and a receptacle at one end. He also gave you 8.97 cm^3 of mercury to pour into the tube, which filled the receptacle and some of the

    asked by maria
  29. science(chemistry)

    why sodium carbonate against hydrochloric acid titration using phenolphthalein indicator does not go to completion but stops at the sodium hydrogen carbonate stage.

    asked by yussif
  30. physics

    The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long; the right-hand rod is steel and 1.21 m long. Assuming that the outside ends of both rods rest firmly against rigid supports, at

    asked by maria
  31. business

    Many organizations find themselves in the apparently contradictory position of having high levels of financial investment in inventory, but at the same time frequently running out of stock of important components and materials. (a) explain how this

    asked by Edwin
  32. Calculus

    A container in the form of a right circular cone of height 16 cm and base radius 4 cm is held vertex downward and filled with liquid. If the liquid leaks out from the vertex at a rate of 4 cm^3/s, find the rate of change of the depth of the liquid in the

    asked by Helga
  33. Chemistry

    Consider the following reaction: C6H5CL+C2HOCL3=>C14H9CL5+H20 If 1142 g of C6H5CL is reacted with 485 g of C2HOCL3, what mass of C14H9CL5 would be formed?

    asked by Clara
  34. English

    Could you please check these sentences I need to include in an email? Thank you. 1) I have just talked to two of the science teachers who would be involved in the project. 2) Before receiving your proposal by email, they would like to discuss it in further

    asked by Henry2
  35. English

    I need to give example of these verbs when followed by the gerund or the infinitive. I hope you can help me. 1) She missed being run over by a lorry. She excepted ... (I can't find a good example) 2) She failed to answer all the questions. 3) She tends to

    asked by Henry2
  36. AP Calculous

    let f be the function defined by |x-1|+2 for Xor equal to 1. where a and b are constants a)if a=2 and b=3 is f continious for all x? justify your answer b)describe all the values of a and b for which f is a continious function c) For what values of a and b

    asked by Yoona
  37. ALGEBRA

    Suppose you see a car with an advertised price of $30,250 at $605.15 per month for 5 years. What is the amount of interest paid

    asked by MONICA
  38. ALGEBRA

    From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 35 owned cars, and 25 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? b) How many students do not

    asked by MONICA
  39. Calculous

    A dunction is continious on the closed interval [-3,3] such that of f(-3)=4 and f(3)=1. The functions F' anf F'' have the properties shown below Ok there's supposed to be a table but you cant really see it -3

    asked by Yoona
  40. ALGEBRA

    If the principal P = $900, the rate r = 7 1/2 %, and time t = 1 year, find the following. What is the amount of interest? What is the future value?

    asked by MONICA
  41. ALEGEBRA

    If you purchase an item for $1,232 at an interest rate of 9.8%, and you finance it for 1 year, how much is the amount of add-on interest? (Round your answer to the nearest dollar.)

    asked by MONICA
  42. correct my paragraphs

    The final cause for a couple to separate is abuse. An individual may be physically, emotionally, or sexually abused. One spouse may degrade his or her partner through harsh language. Drug and alcohol makes the person violent; in addition, there may be no

    asked by caf
  43. Physics

    Salmon often jump waterfalls to reach their breeding grounds. One salmon starts 2m from a waterfall that is 0.55m tall and jumps at an angle of 32°. What must be the salmon's minimum speed to reach the waterfall?

    asked by Rychelle
  44. algerbra 1

    If you enter Interstate 40 at mile marker 23 in Sayre, Oklahoma, how far would you need to travel to reach mile marker 125 in El Reno,Oklahoma?

    asked by ceecee
  45. Maths

    the cost of fencing a square field at rs 10 per meter is rs 400 . find the length of each side

    asked by Anmol
  46. Chemistry

    At 40 c,the value of Kw is 2.92 10-14.calculate the [H+] and [OH-] of pure water at 40 c.

    asked by Dewa
  47. physics

    a daredevil on a motorcycle leaves the ramp with a speed of 35.0 miles per hour. if his speed is 33.0 miles per hour when he reaches the peak of his path, what is the maximum height that he reaches. ignore friction and air resistance

    asked by nelo
  48. Chemistry

    How do you convert 25.0 mg/mL to cc?

    asked by Sarah
  49. Biology

    What is the maximum number of different blood types the children of a man with blood type A and a woman with blood type B could have? A. One B.Two C.Three D.Four I think it's D, but I'm not sure. Help would be appreciated.

    asked by Jimmy
  50. physics

    A plane travels 5.1 102 m while being accelerated uniformly from rest at the rate of 4.9 m/s2. What final velocity does it attain?

    asked by jacq
  51. Algebra

    In the community you live, you have been asked to serve on the planning committee for the Fourth of July festival. Your committee has decided to begin meeting early to avoid some of the problems experienced in previous years. Unfortunately, those problems

    asked by Kelly
  52. chemistry

    what mass of SO2 is formed upon the complete combustion of 1.59g of methanethiol

    asked by kisha
  53. math

    Many of the immigrants settled on farm land and they had to drive to town for supplies. One farmer drives to town at 36 miles per hour and returns at 48 miles per hour. If his total driving time is 3 ½ hours, how far is his farm from town?

    asked by tiffany mccormick
  54. math

    Many of the immigrants settled on farm land and they had to drive to town for supplies. One farmer drives to town at 36 miles per hour and returns at 48 miles per hour. If his total driving time is 3 ½ hours, how far is his farm from town?

    asked by tiffany mccormick
  55. Oceanography

    What substrate indicates the youngest and oldest beach? What are coral's symbionts?

    asked by bj
  56. world history

    can you please check my answers 3.In China in the 1980s, commune-based agriculture was replaced by the _______ responsibility system. A. household B. community C. cultural

    asked by mike
  57. Math

    Please show me how to solve: Hannah took a survey of 500 students at her school to find out whether they liked baseball or football. The results are shown in the Venn diagram. How many of the students surveyed like football? 28% liked baseball, 32% liked

    asked by Jane
  58. chemistry

    Calculate the partial pressure (in atm) of propane in a mixture that contains equal weights of propane (C3H8) and butane (C4H10) at 18°C and 746 mmHg

    asked by Anonymous
  59. fp/101

    Discuss one of the risks of a variable rate loan.

    asked by Cindy
  60. PHYSICS

    the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. what are the dimensions of the constants 1.5 and 0.008?

    asked by ANN
  61. chemistry

    A sample of helium gas has a pressure of 860 mm Hg at a temperature of 225 K. At what pressure (mm Hg) will the helium sample reach a temperature of 675 K.

    asked by Anonymous
  62. algebra

    Jennifer invested $2,500 in an account earning 3.5% interest compounded continuosly. How much money will she have in the account after 15 years?

    asked by ketta
  63. physics2ndquestion

    the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. rewrite the equation in unit of cubic meter nd seconds. put the proper units on the

    asked by ANN
  64. Math

    $10000 x 10% x (90/365) don't know what to do with the number in the brackets

    asked by Cheryl
  65. math

    Having trouble solving: w^2 +5w -40

    asked by charles
  66. physics

    The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long; the right-hand rod is steel and 1.21 m long. Assuming that the outside ends of both rods rest firmly against rigid supports, at

    asked by maria
  67. chemistry

    How many more grams of Li SO4 can you dissolve in 250g of water at 10.0 degrees C than at 50 degrees C.

    asked by John
  68. Algebra II

    The air in a cylinder is at a pressure of 14.7 lb/in.^2 and occupies a volume of 175 in.^3 Find the pressure when it is compressed to 25.0 in^3.

    asked by Arielle
  69. Algebra II

    The force of attraction between the earth and some object is called the weight of that object. The law of gravitation states, then, that the weight of an object is inversely proportional to the square of its distance from the center of the earth. If a

    asked by Arielle
  70. ALGEBRA

    Find the amount of interest and the monthly payment for the loan. Purchase a living room set for $3,400 at 12% add-on interest for 4 years. (Round your monthly payment to the nearest cent.) interest-$192.00 per month -$12.33 is this correct

    asked by MONICA
  71. Algebra II

    The light source located 2.75 m from a surface produces an illumination of 528 lux on that surface. Find the illumination if the distance is changed to 1.55 m.

    asked by Arielle
  72. Algebra

    The length of a rectangle is twice the width. The area is 578 yd.^2. Find the length and width.

    asked by Kelly
  73. Algebra II

    The resistance of a wire is inversely proportional to the square of its diameter. If an AWG (American wire gauge) size 12 conductor (0.0808-in. diameter) has a resistance of 14.8, what will be the resistance of an AWG size 10 conductor (0.1019-in.

    asked by Arielle
  74. Algebra

    A farmer decides to enclose a rectangular garden, using the side of a barn as one side of the rectangle. What is the maximum area that the farmer can enclose with 100 ft of fence? What should the dimensions of the garden be to this given area? The maximum

    asked by Kelly
  75. chemistry

    How would you prepare 1.00 L of an alchol water solution that is 5.00 vol % alchol.

    asked by John
  76. math

    Bairleys rectangular dog pen for his irish setter must have an area of 400 square feet. Also the length must be 50 feet longer than the width. Find the dimentions of the pen

    asked by charles
  77. chemistry

    An aqueous solution is 25 % mass % NaCI. The density of the solution is 1.05g/ml. What is the molarity of the solution?

    asked by John
  78. PHYSICS.PLS

    the consumption of natural gas by a company satisfies the empirical equation V= 1.5t + 0.008t^2 where V is in volume in millions of cubic feet and t is the time in months. rewrite the equation in unit of cubic meter nd seconds. put the proper units on the

    asked by renee
  79. Chemistry

    Chlorofluocarbon was once used in air conditiones as the heat transfer liquid its normal boiling point is -30 degrees C and its enthalpy of vaporization is 16J/g. The gas and the liquid have specific heat capacities of 0.61 J/g8C and 0.97 J/g*C,

    asked by 19
  80. Alegra II

    If y varies directly as the cube of x and inversely as the square root of w, fill in the missing values in the table. I need help finding the answers w x y 1.27 ? 3.05 ? 5.66 1.93 4.66 2.75 3.87 7.07 1.56 ?

    asked by Arielle
  81. Alegra II

    If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same resistance?

    asked by Arielle
  82. math

    4 1/5 divided 1 2/5 21/5 x 7/5 = ?

    asked by Brad
  83. Algebra II

    The kinetic energy of a moving body is directly proportional to its mass and the square of its speed. If the mass of a bullet is halved, by what factor must its speed be increased to have the same kinetic energy as before?

    asked by Arielle
  84. englsih

    Hi, I am doing a speech and I need help with ideas.I have to talk for 7-8 minutes and I have picked two topics. I have to have purpose statement, intorduction etc. 1) is Marijuana and the other one is Juggling. I don't know anything about Marijuana but I

    asked by Shaz.E
  85. binomial

    Independent samples of n1 = 400 and n2= 400 observations were selected from binomial populations 1 and 2, and x1 = 100 and x2 = 127 successes were observed. Calculate the approximate standard error for the statistic, the point estimator for the difference

    asked by Raymond
  86. Math (URGENT)

    How to graph this: Step 0: y=x(x-4) Step 1: y=x^2-4x What's next? Calculator shows vertex at (2,-4) I asked before, but I'm still stuck. Please help. thanks.

    asked by John
  87. physics

    . A rescue helicopter lifts a stretcher case off a hillside. The injured climber and stretcher have a mass of 180 kg and the rope supporting them has a breaking force of 2000 N. Calculate: (a) the tension in the rope when the stretcher and climber are

    asked by as01
  88. trig

    A and B are acute angles such that cosA =3 over 5 and cosB =12 over 13

    asked by Michelle
  89. i.p.c

    An ostrich runs north in a straight line for 21 meters. She then turns around and runs 25 meters back toward her nest (south) on the same path. What is her displacement?

    asked by mike
  90. Algebra

    Hi, I'm trying to learn logarithmic form and I'm kinda of stuck Write in exponential form: 1.log(3)6561=x 2.x^4 = 625 Thank you

    asked by Thomas
  91. cleveland state university

    A sample of gas at 1.3 atm of pressure is in a 2.0 L container. What will the pressure be if the sample is transferred to a 0.90 L container? 1. 0.59 atm 2. 1.4 atm 3. 2.9 atm 4. 3.2 atm

    asked by Danielle
  92. Algebra II

    log x/3 + log y/2

    asked by Joy
  93. Algebra II

    The number of oscillations made by a pendulum in a given time is inversely proportional to the length of the pendulum. A certain clock with a 20-in.-long pendulum is losing 11.00 min/day. Should the pendulum be lengthened or shortened, and by how much?

    asked by Joy
  94. physics

    An engine of mass 5000 kg pulls a train of ten trucks each of mass 2000 kg along a horizontal track. Assume that the frictional forces to be 5000 N and that the engine exerts a force of 50 000 N on the rails. If the trucks are numbered from 1 to 10

    asked by as01
  95. math

    2 hours after a given drug has been administered there is only 75% of it left in the body. a. What percentage of it leaves the body every hour (find the hourly decay rate)? b. What is the continuous decay rate? c. How long until 50% has left the body? d.

    asked by Lindsey
  96. Science

    So I'm in 7 grade and doing a science project. I have a question: What does it mean when it says: RESEARCH? I am required to have this on my board. Does it mean what I looked up to help me on this project? Also, what does it mean when it says: DATA? Do I

    asked by Anna
  97. physics

    The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long; the right-hand rod is steel and 1.21 m long. Assuming that the outside ends of both rods rest firmly against rigid supports, at

    asked by maria
  98. Algebra II

    How to find 2^x=7

    asked by Joy
  99. MATH URGENT!!!

    A researcher is interested in the effects of monetary incentives on task performance. She recruits 60 undergraduate business students and offers to pay them each $5 for a 1 hour research session. She then randomly assigns these students to either a control

    asked by Jill
  100. MATH URGENT!!!!

    An investigator was interested in studying the effect of taking a course in child development on attitudes toward childrearing. At the end of the semester, the researcher distributed a questionnaire to students who had taken the child development course.

    asked by Jill
  101. statistics

    In a recent survey in a Statistics class, it was determined that only 60% of the students attend class on Thursday. From past data it was noted that 98% of those who went to class on Thursday pass the course, while only 20% of those who did not go to class

    asked by bilal
  102. Algebra II

    How to find (7.27)^x=86.8

    asked by Joy
  103. Algebra II

    How to find (7.27)^x=86.8

    asked by Joy
  104. physics

    A ball has a diameter of 3.86 cm and average density of 0.0836 g/cm3. What force is required to hold it completely submerged under water?

    asked by jim
  105. chemistry

    a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.

    asked by James
  106. Algebra II

    The current i in a certain circuit is given by i=6.25e^-125t (amperes) where t is the time in seconds. At what time will the current be 1.00 A?

    asked by Joy
  107. Chemistry

    How many more grams of Li SO4 can you dissolve in 250g of water at 10.0 degrees C than at 50 degrees C. The solubility is 35.0 at 10 degrees and at 50 degrees C it is at 32.5. Thanks DR Bob for all your help.

    asked by John
  108. Math

    How to graph: x(x+3)^2 I understand its a cubic function. Anyone care to help me with solving and graphing it? thanks.

    asked by John
  109. Chemistry

    Draw a Lewis dot diagram for NF2H and use the oxidation state method of electron bookkeeping to determine how many electrons each atom should be assigned.

    asked by Kali
  110. Chemistry

    Use the shortcut rules to assign an oxidation state to each atom in: a) PCI3 b) H2S c) MnO4- d) HNO3 e) HCOOH f) S2O32-

    asked by Kali
  111. Chemistry

    Is it appropriate to call a soft drink an aqueous solution? Justify your answer

    asked by Kali
  112. Algebra II

    The barometric pressure in inches of mercury at a height of h feet above sea level is p=30.0e^-kh where k=3.83*10^-5. At what height will the pressure be 10.0 in. of mercury.

    asked by Joy
  113. Algebra II

    Using the formula for present worth, a=y/(1+n)^t, in how many years will it take for $50,000 accumulate to $70,000 at 15% interest?

    asked by Joy
  114. chemistry (DrBob222)

    Calculate the value of Ecell for the reaction of cobalt(II) chloride and zinc metal, given the specific concentrations listed. Zn(s) | Zn2+(0.21 M) || Co2+ (0.21 M) | Co(s) Okay, so I keep getting -1.04 and -1.06 when I do this problem. I have used log

    asked by Anonymous
  115. chemistry (DrBob222)

    Calculate the value of Ecell for the reaction of cobalt(II) chloride and zinc metal, given the specific concentrations listed. Zn(s) | Zn2+(0.21 M) || Co2+ (0.21 M) | Co(s) Okay, so I keep getting -1.04 and -1.06 when I do this problem. I have used log

    asked by Anonymous
  116. Algebra II

    Solve for x. log x + log 4x = 2

    asked by Joy
  117. Algebra II

    Solve for x. ln (5x + 2) - ln (x + 6) = ln 4

    asked by Joy
  118. Algebra II

    Solve for x. ln (x + 2) - ln 36 = ln x

    asked by Joy
  119. Algebra II

    Solve for x. ln 6 + ln (x - 2) = ln (3x - 2)

    asked by Joy
  120. Algebra II

    Solve for x. ln x - 2 ln x = ln 64

    asked by Joy
  121. SCIENCE-URGENT

    So I'm in 7 grade and doing a science project. I have a question: What does it mean when it says: RESEARCH? I am required to have this on my board. Does it mean what I looked up to help me on this project? Also, what does it mean when it says: DATA? Do I

    asked by Anonymous
  122. Algebra II

    Solve for x. 2 log (x + 1) = 3

    asked by Joy
  123. Algebra II

    Solve for x. log (2x + 5) = 2

    asked by Joy
  124. algebra

    add (5y^2-7y)+(3y-y^2)

    asked by nick
  125. algebra 2

    1) 2a+c=-10 b-c=15 a-2b+c=-5 2) x+y+z=3 13x+2x=2 -x-5z=-5 3)x-y+3z=3 -2x+2y-6z=6 y-5z=-3 4)3x-2y+z=1 -x+y-z=2 5x+2y+10z=-39 5)3x-2y+z=1 -x-y-z=-3 3x-2y+3z=-12

    asked by Ludjmy
  126. English

    I can't find a good example with "except" followed by the gerund. I tried to include the other examples myself. Can you please check them? Thank you. 1) She missed having an accident. Is the sentence possible? 2) She approved of his leaving for Paris. They

    asked by Henry2
  127. Chemistry

    which of the following are redox reactions a. 2Na+2H2O-->2Naoh+H2 b. MgBr2+2NaF-->MgF2+2NaBr c. 2CO+O2--> 2CO2 d. SO2+H2O--> H2SO3 For those reactions that are redox reactions: Indicate which atoms get oxidized and which atoms get reduced. Indicate which

    asked by Kali
  128. Chemistry

    If you put a piece of iron in an aqueous solution of blue Cu2+ ions the spontaneous redox reaction Fe+ Cu2+„³ Fe2+ Cu Will occur. An aqueous solution of Fe2+ ions is red-brown a. What is oxidized b. What is reduced c. What is the oxidizing agent d. What

    asked by Kali
  129. ENGLISH SENTENCE CHECK

    IS MY SENTENCE CORRECT AND WORDS USED RIGHT?? What does it mean to tie the knot of renunciation? It means all the promises made to one another by a couple in the marriage ceremony have been broken; therefore, they choose divorce.

    asked by ME
  130. Chemistry

    Write the balance equation and the reaction type when magnesium is added to HCl

    asked by John b
  131. BUSINESS COMMUNICATION

    PROFIT LAST YEAR WERE EXORBITANT MAKE IT CONCRETE SENTENCE

    asked by Anonymous
  132. Math

    Fan and Dan took part in a 1000 meter competition. When Fan was at the 800 meter mark, Dan was 300 meters away from the finish line. How many meters away from the finish line was Dan when Fan crossed the finish line?

    asked by James
  133. algerbra2

    find the eighth term of a sequence whose first three term are 13,6,-1

    asked by melinda
  134. English

    I urgently need your to revise these statements. Thank you. 1) Our science teachers are enthusiastic about the idea of carrying out a common science project in English with both your and the French school. 2) However, the head of our science department

    asked by Henry2
  135. Math problem

    Please help me solve I have a budget of 5000, Labor is 1,835.00 a month what's the precentage a month Material is 18% a month how much is material a month Rent and utilities 25% how much is rent a month Miscellaneous is 1,015 what is the percentage The

    asked by Lavern
  136. Physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 15 m/s and the officials’

    asked by Caitlyn
  137. geometry

    what is the geometric mean of 75 and 27?

    asked by Anonymous
  138. English

    I need your help to translate a German word "eine e-twinning-Plattform einzurichten" in English. 1) After that, we can establish a e-twinning-platform so that our students can start emailing to one another. 2) I'll type in (I'm attaching/how do you express

    asked by Henry2
  139. english

    Which one of the following sentences contains an abstract noun? A. Logic is easily understood. B. The vase was quite expensive. C. She handed him the dishtowel. D. His skill was legendary.

    asked by cowgirl3
  140. math

    What are bench marks in estimating fractions and mixed.

    asked by Anonymous
  141. chemistry

    50 g of NaCL is dissolved into 800 ml H2O. i need to know if is molarity, g/equivalent, freezing point depression, boiling point elevation or osmolarity. nad how to resolve please give me a hand

    asked by chelsy
  142. chemistry

    50 g of NaCL is dissolved into 800 ml H2O. i need to know if is molarity, g/equivalent, freezing point depression, boiling point elevation or osmolarity. nad how to resolve please give me a hand

    asked by chelsy
  143. Algebra II

    Solve for x 5.62e^3x = 188

    asked by Joy
  144. Science-important!

    Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A or B. A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the synthesis

    asked by jake
  145. Pre Calculus

    find all solutions of the equation 1. x^3+27=0 2. x^3-8=0

    asked by Josh
  146. chemistry

    suppose you made a buffer solution that was 0.050M in both HC2H3O2 and NaC2H3O2.Would the pH changes resulting from the addition of 0.1 M HCL solution to this buffer solution be the same as those you observed in experiment?

    asked by chelsy
  147. chemistry-help!

    The initial rate of reaction for H2O2(aq) H2O (l) 1/2 O2 (g) is found to be 1.7x10(-3)M/s. Assume that this rate holds for 2 minutes. Start with 160ml of 1.60 M H2O2. How many milliliters of O2 measured at 24C and 760mmHg , are released from solution in

    asked by Matt
  148. physics

    A 45.0kg object is suspended by two wires. If each wire makes an angle of 52.0o with the horizontal, what is the tension of each wire?

    asked by sharon
  149. chemistry

    25 G OF CALCIUM CHLORIDE IS DISSOLVED INTO 1500mml OF H2O. how can i set it up.

    asked by maria
  150. chemistry

    20.2 g of potassium phosphate is dissolved into 650 ml of H2O

    asked by maria
  151. Science

    How does life on Earth depend on the sun? I put If the Earth is too near from the sun then it will be too hot and we wouldnt't be able to live. But if the Earth is too far from the Sun then it would be too cold. Is that a right answer?

    asked by Himey
  152. algebra

    O.k. I'm 42 trying to help my nephew with algebra and lets just say it's been awhile.... Total money $ 101.25 45 more dimes than nickels 3 times as many quarters as dimes. How many nickels, dimes & quarters?

    asked by Maura
  153. chemistry

    How many grams of ammonia can dissolve in 100g of water at 22 degrees celsius?

    asked by Sarah
  154. chemistry

    How many moles of ammonium chloride could be found in 100g of water at 70 degrees celsius?

    asked by Sarah
  155. chemistry

    Calculate the mass percent concentration of a solution made by dissolving 5.00g of NaCl in 25.0g of water? I got 5.00g/25.0g=0.2 x 100= 20% Is this right?????

    asked by Sarah
  156. math problem

    please help me solve The oven temperature will increase by 45 degrees Fahrenheit per minute. When the oven is initially turned on, the temperature is 70 degrees Fahrenheit. What will the temperature of the oven be after 7 minutes? Write an expression and

    asked by Lavern
  157. chemistry

    What is molarity of solution made by combining 10.0g of NaOH with enough water to reach a total volume of 2.00L?

    asked by Sarah
  158. algebra

    find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?

    asked by amy
  159. Science

    mismatch error to be repaired? Which is the best answer, I think it's A. Can someone who know's science tell me if I am right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

    asked by jake
  160. statistics

    What does 60 over 75 equal

    asked by ciara
  161. SCIENCE

    Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so

    asked by Mika
  162. algebra

    find an equation of the line containing the given pair of points. (-9,0) and (0,4) what is the equation of the line? y=?

    asked by amy
  163. chemistry

    You leave a 20.0ml of 6.00m HCl on the counter. If 7.00ml of water evaporates out of container overnight. Whats the new molarity?

    asked by Sarah
  164. Chem

    Why wont you answer my previous q Dr. Bob? D:

    asked by Matt
  165. english Rewriting Folktales

    hey this is the original question my work is at the end i really need help in grammar and checking my work thanxx In this lesson, you are going to rewrite the story "The Turtle and the Rabbit Run a Race" to make it more clear, and to correct the grammar.

    asked by zahra
  166. algebra

    Hi, I'm trying to learn logarithmic form and I'm kinda of stuck Write in exponential form: 1.log(3)6561=x 2.x^4 = 625 Thank you

    asked by Thomas
  167. history

    what is a good way to represent pan arabism

    asked by historian
  168. English

    I urgently need you to check a few more sentences (infinitive/gerund) . Thank you very much. 1) After that, we can establish an e-twinning-platform so that our students can start emailing to one another. (is "establish" possible?) 2)I can’t afford to buy

    asked by Henry2
  169. math problem

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

    asked by Lavern
  170. Chemistry

    Nitrous oxide, N2O, has been used as a dental anesthetic. Suppose that the average speed of an N2O molecule at 25°C is 433 m/s. (It is actually 379 m/s.) Calculate the kinetic energy (in joules) of an N2O molecule traveling at this speed.

    asked by Samantha
  171. Chemistry

    Ethanol, C2H5OH, is mixed with gasoline and sold as gasohol. Use the following to calculate the grams of ethanol needed to provide 367 kJ of heat. C2H5OH(l) + 3 O2(g) ¨ 2 CO2(g) + 3 H2O(g) ƒ¢H = −1235 kJ

    asked by Samantha
  172. Reading (hellp!)

    Can you give me a 6th grade sentence using the word calico,and a sentence using the word bravado please! ! !

    asked by Laura
  173. Algebra II

    How long would it take to earn $7000 on a 3500 dollar investment at rate of 7.8% compounded continuously? Would it be something like this: 7000=3000*(1+0.078)/? not sure about what to divided by??? Help-I'm really confused!!!!

    asked by Sheila
  174. SCIENCE

    Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so

    asked by Mika
  175. Chemistry

    1)20 mL of a saturated of potassium nitrae at 50oC. Approximately, what mass of solid will precipiatae from the solution? 2)At 80oC, what mass of sodium dissolves in 1.0L of water 3.What minimum temperature is required to dissolve 24 g of potassium nitrate

    asked by Maame
  176. Physics

    An object wuth a mass of .5 kg starts from rest and achieves a maximum speed of 20m/s in 0.01 s. What average unbalanced force accelerates this object?

    asked by Ronaldo
  177. Math problem

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

    asked by Lavern
  178. calculus (PRE)

    This may be simple, but I'm not getting it. An open box of maximum volume is to be made from a square piece of material, 24cm on a side, by cutting equal squares from the corners and turning up the sides. The table for it is: Height(x) Volume(V) 1 484 2

    asked by Ty
  179. English

    Thank you very much. Here are the last sentences of the day. 1) Please, use Italian when emailing our science teacher so she won't have problems in understanding. 2) Many people believe it is inhumane to keep animals in captivity. Others, on the other

    asked by Henry2
  180. physics please helpp

    The ends of the two rods shown in the figure are separated by 2.97 mm at 24.3 °C. The left-hand rod is brass and 1.21 m long; the right-hand rod is steel and 1.21 m long. Assuming that the outside ends of both rods rest firmly against rigid supports, at

    asked by maria
  181. math

    A CASHEIR HAS 5 ROLLS OF QUATERS AND 6 ROLLS OF DIMES IN THE CASH REGISTER. EACH ROLL OF QUATERS IS WORTH 10 DOLLARS AND EACH ROLL OF DIMES IS WORTH 5 DOLLARS. HOW many quaters are in one roll?

    asked by yulissa
  182. Pre-calculus

    Use a graphing utility to approximate any relative minimum or maximum values of the function g(x)=x sqrt4-x Not getting this one, either. Thanks.

    asked by Ty
  183. english

    All of the following are characteristics of humanism except?

    asked by Andrew
  184. math

    how many half dollars is in 7.50$

    asked by yulissa
  185. SCIENCE

    Suppose an astronomer oberserves a huge solar flare. Predict its effect on Earth in the next day or so. I put it would break satellites and powercuts would happen. But would a huge solar flare kill all people on Earth? Im not sure

    asked by Mika
  186. math

    whats 17.50x30

    asked by colin
  187. English

    I left out the following statements. Could you please if they are possible, please? 1) Oscar Wilde was a great novelist. Moreover/Furthermore/Further/ he wrote very funny comedies. Italy is wonderful. In addition, Italian people are very friendly. 2) This

    asked by Henry2
  188. Math

    How you Draw tens and ones to solve. 69+20

    asked by Rosa ramirez
  189. math

    525/5

    asked by ron
  190. social studies

    was the oldest of the three africian kingdoms?

    asked by haley
  191. physics

    A 54.5 kg. skateboarder starts out with a speed of 1.90 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -265 J of work on him. In both cases, the forces doing the work are nonconservative. The

    asked by s
  192. science

    Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

    asked by jake
  193. Javascript

    How do take this following javascript and put in external javascript. test(); function counter(array){ var negatives =0; var zeroes =0; var positives=0 ; var i=0; for(i=0;i 0) : positives ++; break; case (array[i] < 0) : negatives ++; break; } } return

    asked by Adam
  194. Biology

    Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

    asked by jake
  195. Physics

    A 12 kg barrel is pulled up by a rope. The barrel accelerates at 1.2 m/s2. Find the force exerted by the rope. Show all your work.

    asked by Pat
  196. English

    Which of these people would be least likely to appreciate Transcendentalist ideas? a wildlife conservationist a minimalist a Puritan preacher an abolitionist

    asked by Anonymous
  197. chemistry

    if 4.4 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?

    asked by scott
  198. socials

    I not find the poster online either but teacher gave us picture and i upload it on internet. i give link down below. i leave space in there it not allow me to post link so i leave space in there. last poster is the : If they over-run canada your money'll

    asked by Mohammad
  199. word problem

    bisi and ada age added up to 29, 7 years ago bisi was twice as old as ada, find their present age.

    asked by emma
  200. word problem

    a woman age and her son added to 45, 5 years ago the woman was 6 times as old as her son. how old was the woman when the son was born.

    asked by emma
  201. science

    1. List 5 organs [heart,lungs,brain,kidneys, liver] you learned about and tell about what they do. 2.What 2 organs help filter the blood? 3.How do bones and muscles work together when you raise your arm? 4.Trace a drop of blood as it leaves the heart and

    asked by lizzy
  202. word problem

    in a two digit number, the sum of the digit is 8. the different between this number and the number with the digit reversed is 54, what is the number.

    asked by emma
  203. Biology-Is my answer correct

    Which of the following must occur for a mismatch error to be repaired? Which is the best answer, I think it's A, am I right? A)Damaged DNA must be identified by DNA repair proteins B)The sequence of nucelotides in the damaged DNA sequence must guide the

    asked by jake
  204. physics

    driving on a hot day causes tire pressure to rise. what is the pressure inside an automobile tire at 288, if the tire has a pressure of 30 psi at 318k? Assume that the volume and amount of air in the tire remain constant

    asked by veronica
  205. word problem

    the different between the digit of a two digit number is 1, the number it self is 1 more than 5 times the sum of the digits, if the unit digit is greater than the tens digit, find the number.

    asked by emma
  206. word problem

    if 1 is added to a numerator and denominator of a fraction, the fraction becomes 1/2. 8 is added to both fractions the fraction becomes 2/3, what is the number.

    asked by emma
  207. geometry

    a triangle has 2 sides that equal 4 inches. the other side equals 2 inches. what kind of triangle is it?

    asked by morgan piccini
  208. trigonometry

    Evaluate and round your answer to the nearest hundredth. csc(-120o)

    asked by sarah
  209. physics

    Help. Can someone provide a formula. ty The electric motor of a model train accelerates the train from rest to 0.540 m/s in 35.0 ms. The total mass of the train is 685 g. Find the average power delivered to the train during its acceleration.

    asked by ann
  210. equations

    solve the equation 3y square-XY=0 equation(1) 2X-5Y=1 eqn (2)

    asked by emma
  211. Physics

    A 64.1-kg athlete leaps straight up into the air from a trampoline with an initial speed of 7.4 m/s. The goal of this problem is to find the maximum height she attains and her speed at half maximum height. Write the general equation for energy conservation

    asked by ann
  212. Living environment

    pictures of survival of the fittest

    asked by SYNC
  213. calculus

    using L'Hospital's rule, evalutate; LIM as x->0 e^x +cos x / e^x + sin x I'm at LIM x->0 e^x+cosx / e^x +sinx but now I at a lost as to how to proceed.

    asked by redgy
  214. Living environment

    what is speciation

    asked by SYNC
  215. math problem

    Please solve and explain, your profit for 1 day is $1,281, and the cost of running the business for the day is $1,463. What is the revenue for that day? Explain your answer.

    asked by Lavern
  216. physics

    1. Consider a rod of mass 1g and length L, held in place against a vertical wall by a cable at the opposite end as shown in the diagram. A sign of mass 10kg is also hanging o the end of the rod furthest from the wall. The angles marked are =30  and =45

    asked by Blaire
  217. Math problem

    Please solve Your profit P is determined by subtracting the cost C, the amount of money it costs to operate a business, from the revenue R, the amount of money you earn from selling your product. Profit can be represented algebraically by the equations:

    asked by Lavern
  218. statistics

    Chicken Delight claims that 91 percent of its orders are delivered within 10 minutes of the time the order is placed. A sample of 70 orders revealed that 60 were delivered within the promised time. At the .02 significance level, can we conclude that less

    asked by sherry
  219. 5th math

    14.4. Estimate low and high find product X6.2 ______

    asked by Laura
  220. Biology

    A relationship in which a single celled organisms live within the cells of another organism is called what?

    asked by Anonymous
  221. chemistry

    What volume in mL of a 1.06 M NaOH solution is required to neutralize 12 g of HCl?

    asked by Hani
  222. trig

    if tan theta=7/24 and sin theta is greater than 0 what is the exact value of sin theta

    asked by Anonymous
  223. Please Help!!!!!!

    A hot hair balloon is rising vertically 20 ft/sec while the wind is blowing horizontally at 15 ft/sec. Find the speed v of the balloon and the angle x it makes with the horizontal. I know how to solve this problem, but I don't understand why or how you

    asked by Desperate!!!!
  224. chemistry

    When electrons move from the fourth energy level to the second energy level, they emit visible light. Explain why the light emitted when an electron makes this move in a sodium atom is a different color that the light emitted by an electron moving from the

    asked by Allura
  225. algebra

    Suppose D=(w+2)(w-3)(w+6).For what three values of w will D have a value of 0?

    asked by Kristin
  226. math

    An equation of the line in slope intercept form that passes through the point (-9, -1) and is perpendicular to the line y = 3x + 17? Please help...

    asked by thomas
  227. distributive property

    5x+5y rewrite the expression as a product using parentheses

    asked by Libby
  228. geometry

    I'm so confused...can someone please help??? I need to find the orthocenter of the triangle with the vertices R(-4,8), S(-1,5), T(5,5)??? How do you get 'y' for this problem?

    asked by Megan
  229. word problem

    the different between the digit of a two digit number is 1, the number it self is 1 more than 5 times the sum of its digits, if the unit digit is greater than the tens digit, find the number.

    asked by emma
  230. math

    you pay 8,000 for a municipal bond. when it matures after 20 years yo u receivee $12,500. what are the total return and the annual return

    asked by jojo
  231. Physics

    An ideal gas is compressed at constant pressure to one-half its initial volume. If the pressure of the gas is 120 kPa, and 760 J of work is done on it, find the initial volume of the gas.

    asked by Haley
  232. word problem

    if 1 is added to both numerator and denominator of a fraction, the fraction becomes 1/2. if 8 is added to both fractions, the fraction becomes 2/3. what is the fraction

    asked by emma
  233. Math

    How many vertices, edges, and faces does pyramid have?

    asked by Nelson
  234. Physics

    If a 110kg astronaut weighs 176 Newtons on the moon, what is the acceleration due to gravity on the moon?

    asked by Germs
  235. math

    How do I subtract 6 5/14-5 13/14?

    asked by Mariah
  236. algebra 2

    how do you solve 2x-y=7 -x+2y=-5 please show how you got this problem ! Thank you

    asked by deanae
  237. Math

    the kinetic energy of moving body ids directly praportional to its mass and the square of its speed.if the mass of a bullet is halved by what factor must its speed be increased to have the same kinetic energy as before?

    asked by rahul patel
  238. Calculuss--Optimization

    At t=0, ship A is 12 miles due north of ship B. Ship A travels 12 miles/hour due south, while ship B travels 8 miles/hour due east. a. Write a function for the distance between the two ships. b. At what time are the two ships closest?

    asked by Maria
  239. English Help

    what are sequence of events to go to a web site ?

    asked by Zack
  240. history paper ( advise)

    I'm writing a argumentative paper on the book How we survived communism and even laughed. Can you give me any advise on how to set up my paper. Any adivis on how to set my paper up or examples of how my thesis should be.. In How We Survived Communism and

    asked by Anonymous
  241. physics

    What is the acceleration of a 0.30 kg volleyball when a player uses a force of 93 N to spike the ball?

    asked by Michael
  242. statistics

    Mary has already spent 1 minute on the phone, and she expects to spend 4 more minutes with every phone call she routes. In all, how many phone calls does Mary have to route to spend a total of 5 minutes on the phone? Write and solve an equation to find the

    asked by Anonymous
  243. chemistry

    The typical battery used in a standard flashlight produced approximately 1.5 V. If the value for ΔG° of the reaction were −289,500 J, what would you calculate as the moles of electrons exchanged in the balanced redox reaction? I got 1 mols for

    asked by Anonymous
  244. psychology

    Im doing a powerpoint on the pursuing happiness need so help on how to go about working on it

    asked by Ann
  245. maths

    newton’s law of gravitation states that any two bodies attract each other with a force that is inversely proportional to the square of the distance between them. The force of attraction between two bodies is 460 * 10^-12 newtons when they are 6 cm apart.

    asked by rahul patel
  246. physics

    A diver jumps horizontally off a cliff with an initial velocity of 5.4 m/s. The diver strikes the water 4.5 s later. What is the vertical velocity of the diver upon reaching the surface of the water?

    asked by jeremy
  247. Math

    Choose 3 of the solids or 3 shapes. Write one generalization about all the figures you choose.

    asked by Dyna
  248. math

    what is the total and annual returns on an investment of 2 years regular 3700 shares in a start up company, you sell the shares for $2300 (at a loss)

    asked by mary
  249. Chemistry

    A sealed balloon is filled with 1.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 250. torr and the temperature is -27°C. What is the change in volume of the balloon as it ascends from 1.00 atm to

    asked by Alice
  250. Optimization--PLEASE HELP!!!

    At t=0, ship A is 12 miles due north of ship B. Ship A travels 12 miles/hour due south, while ship B travels 8 miles/hour due east. a. Write a function for the distance between the two ships. b. At what time are the two ships closest?

    asked by Maria
  251. human service

    identify three barriers to services, planning, funding, or empowerment in a selected aspect of human services. How does community development help address these barriers? I am attempting to do this paper on empowerment within the homeless population. I am

    asked by Patiance
  252. Calculus

    Find the area in the first quadrant bounded by the arc of the circle described by the polar equation r = (2 sin theta)+(4 cos theta) A. 5pi/2 B. (5pi/2)+4 C. 5pi D. 5pi + 8

    asked by Tracy
  253. Math

    How many faces, vertices, edges does cone have?

    asked by Mike
  254. calculus

    Determine where the given function is concave up or where it is concave down: f(x)=9x/x^2+49

    asked by Alex
  255. Algebra II

    If y varies jointly as w and x, and y is 483 when x is 742 and w is 383, find y when x is 274 and w is 756.

    asked by Joe
  256. algebra 1

    solve by substitution. 0.5x+0.25y=36 y+18=16x

    asked by rachel
  257. Physics

    A 1200 N force is exerted on a 700 kg crate to move it across a loading dock. If the coefficient of friction is .50 what is the crates acceleration?

    asked by Anonymous
  258. Algebra II

    The kinetic energy of a moving body is directly proportional to its mass and the square of its speed. If the mass of a bullet is halved, by what factor must its speed be increased to have the same kinetic energy as before?

    asked by Joe
  259. Algebra II

    The maximum safe load of a rectangle beam varies jointly as its width and the square of its depth and inversely as the length of the beam. If a beam 8.00 in. wide, 11.5 in. Deep, and 16.0 ft long can safely support 15.000 lb, find the safe load for a beam

    asked by Joe
  260. Algebra II

    The amount paid to a work crew varies jointly as the number of persons working and the length of time worked. If 5 workers earn $5123.73 in 3.0 weeks, in how many weeks will 6 workers earn a total of $6148.48?

    asked by Zach
  261. Algebra II

    The volume of a given weight of gas varies directly as its absolute temperature t and inversely as its pressure p. If the volume is 4.45 m^3 when p=225 kilo pascals (kpa) and t = 305 K, find the volumn when p = 325 kpa and t = 354 k.

    asked by Zach
  262. Biology

    describe the following processes in the plant life cycle and why they are important for the plant to complete, listing all of the plant hormones involved and describing their functions: 1) elongation of the plant shoot. 2) the process by which seeds orient

    asked by Lisa
  263. Algebra II

    The intensity of illumination at a given point is directly proportional to the intensity of the light source and inversely proportional to the square of the distance from the light source. If a desk is properly illuminated by a 74.0 w lamp 8.00 ft from the

    asked by Zach
  264. Creative Writing

    Heyy Jiskha !!!! I need your help you see I have a writing binder for all the stuff I wrote and I need some great ideas. Remember I more I write the better I'll be in school when it comes to writing. I got soem sections - proverbs (need ideas) - poems (got

    asked by Laruen
  265. Algebra II

    If both masses are increased by 60% and the distance between them is halved, by what percent will the force of attraction increase?

    asked by Ashley
  266. Algebra II

    If 750 m of 3.00-mm-diameter wire has a resistance of 27.6, what length of similar wire 5.00 mm in diameter will have the same resistance?

    asked by Ashley
  267. math

    During each shift as a bus driver, Haley drives between 80 and 140 miles. She started the month with 4,500 miles driven. What is a reasonable estimate for the number of total miles she has driven the bus, after 20 more shifts?

    asked by victor
  268. Algebra II

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?

    asked by Ashley
  269. Phoenix

    Which of the following groups would be considered an internal audience for a company?

    asked by Roberto
  270. algerbra

    2x+7sx+6 What is the solution set

    asked by csa
  271. physics

    A disk is rotating on a horizontal axis, going from bottom to top. Answer the following questions if you pull down at A and push up at B along the axis of the disk. What is the direction of the torque acting on the disk?

    asked by MANNA
  272. Calculus

    Imagine that you live on an infinitely long and straight street called Infinite Drive. The addresses on Infinite Drive are given by real numbers. Your address on the street is ð while your friend Patrick’s is 3 and Karen’s is sin600 . There are two

    asked by OwlsandOctopi
  273. psychology

    In psychology, the study of personality focuses on: (P

    asked by tg
  274. math

    Kenny`s book has 141 pages. He wants to read the same number of pages each day and finish reading the book in seven days. How many pages should he read today ? Are we supposed to divide in this question?

    asked by help please !!!!!!!!!!!!!!!!!!!!
  275. algerbra

    2x+7

    asked by csa
  276. Algebra

    h=7/5d-d^2/100 where h is the height of the arch above the road in meters. Not actually looking to have all completed, but give advice on how to achieve the results a. where does the arch and road come together? b.How far is it from where the arch begins

    asked by mv
  277. Accounting 3

    What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most

    asked by Renee
  278. psy.

    5. Shelby is a very outgoing person who likes being around other people and socializing with them. According to the Big Five trait theory of personality, Shelby would be considered to be: (Points: 5) showing signs of her masculine archetypes in her

    asked by tg
  279. socials

    I work on project and it making a newspaper. I research and write stories to go along with one day in Canada during WW2. It tell me to pick an appropriate day and write stories on the following. I have to write one battle that Canadians be involved in and

    asked by Mohammad
  280. algebra

    There are 7 coins in a piggy bank. The coins are all quarters and dimes. All together the total amount of money in the bank is $1.15. How many of each coin are in the piggy bank.

    asked by emily
  281. College Physics

    assuming that sea water has a density of 1.05 g/cm^3, what is the density of a submarine running submerged? wouldn't you need to know some other information; like the mass or volume of the submarine?

    asked by Amy
  282. psy.

    12. The salesperson in medication ads dresses to look like a doctor because: (Points: 5) she has tested the product directly. the product was developed by physicians. FCC regulations demand this. the salesperson’s credibility is enhanced.

    asked by tg
  283. math

    f(x)=-8xlnx decreases over what domain

    asked by robert
  284. psy.

    Trish is overweight. When you meet her for the first time, you feel contemptuous. This is an example of: (Points: 5) stereotyping. ethnocentrism. discrimination. prejudice.

    asked by tg
  285. Math problem

    please help Imagine you have decided to price scones at $2.28 each and the cookies at $1.19 each. How much total revenue would result from selling all the scones and cookies baked in the oven at one time?

    asked by Lavern
  286. psy.

    Which of the following characteristics will NOT reduce negative stereotyping in a contact situation? (Points: 5) Intimacy Cooperation Equal status Independence

    asked by tg
  287. Accounting 3

    What arguments can be advanced in favor of treating fixed manufacturing overhead costs as product costs? What arguments can be advanced in favor of treating fixed manufacturing overhead costs as period costs? Which arguments do you find to be the most

    asked by Renee
  288. psy.

    Survey research has revealed that one of the most important qualities that people look for in friends is: (Points: 5) attractiveness. loyalty. independence. intelligence.

    asked by tg
  289. Algebra

    The difference between the number of people who speak French and Spanish is 15,637,000 and the difference between those who speak French and German is 155,000, while the total number of people who speak all three is 20,588,000. Determine from information

    asked by mv
  290. calculus

    Sketch the curve y = x^3 - 12x^2 + 36x I already did the question properly it is concave down at (0,4) and concave up at (4,infinity) I found the abs max to be (2,32) and abs min to be (6,0) What I wanted to know is when labeling the graph should I label

    asked by Daniel
  291. strategic

    Prepare an 8- to 10-slide PowerPoint® presentation evaluating the rival companies’ business competition strategies. o Identify the type of business level strategy each firm is using and evaluate its effectiveness. Consider cost leadership,

    asked by rains
  292. strategic manaement

    Prepare an 8- to 10-slide PowerPoint® presentation evaluating the rival companies’ business competition strategies. o Identify the type of business level strategy each firm is using and evaluate its effectiveness. Consider cost leadership,

    asked by rains
  293. physics

    A small motor runs a lift that raises a load of bricks weighing 916 to a height of 12.7 in 28.2 .

    asked by Anonymous
  294. English

    I am writing an essay about why marriage is an important institution. I have several ideas such as financial benefits,more stability,more appreciation by the society. What other benefits of marriage are out there? Thank you in advance!

    asked by Marina
  295. math

    two horses gallop off in the sam direction. Trigger travels25 kilometers per hour. Silver travels 30 kilometers per hour. How long before the horses are 3 kilometers apart?

    asked by jordan
  296. Astronomy

    Calculate the wavelength of peak emission for a typical sunspot and compare it to that of the photosphere. How many times brighter is the photosphere than a typical sunspot? (Hint: Assume the photosphere and a sunspot are good blackbodies for these

    asked by Kaitlyn